The region around a magnet where a force can be felt is called the magnetic field. The strength of magnetic field generated is proportional to the amount of current through the winding. 4 million:. MFR Test Condition: NB/HNB series (270℃, 10kg); NC series (310℃, 10kg). On August 12, the hybrid magnet of the Steady High Magnetic Field Facility (SHMFF) in Hefei, China, produced a steady field of 45. Iron (d) Used to find out direction: 5. A rare earth magnet is a magnet made from one of the rare earth elements (of which there are 17) in the Lanthanide series of metals in the periodic table. In order of size from smallest to largest, the five terrestrial worlds are. Magnetic fields are three-dimensional and resemble a bubble. In effect, Saturn is still differentiating—letting lighter material rise and heavier material fall. Magnets, or the magnetic fields created by. ; Magnetic. False - The area between the poles of a magnet has the strongest effect. The forces of attraction and repulsion are a result of these interactions. They are called ferromagnetic metals containing mainly iron, nickel and rare earth alloys. These metals are first mined, refined, and then combined with. Reason: Add subpages for new materials. Place the bar magnet at the center and mark the position with a pencil. magnetic force, attraction or repulsion that arises between electrically charged particles because of their motion. 75 Lightweight Energetic Alloy -800 2 Holy Vibrant Alloy -50 0. 5 gauss. Magnetism is caused by the motion of electric charges. These are among the strongest substances in the world. Diamond strength is around 60 GPa. Here I would like to mention an experiment done. The weak force, also called the weak nuclear interaction, is responsible for particle decay. The pole strength of a magnet is defined as the force acting on the material attracted to it. Magnetism is the force exerted by magnets when they attract or repel each other. 16. It includes 23 standard screwdrivers, 60 screwdriver bits, seven precision screwdrivers, 14 socket heads, 16 Allen wrenches, and one ratchet handle. Magnetic field lines naturally bunch together in regions where the magnetic field is the strongest. For a reference point, Earth's magnetic field — invisible forces that help compasses operate and birds navigate — is 0. This is your typical iron, cobalt, and nickel combination. Every substance is made up of tiny units called atoms. The higher this unit, the more resistance a magnet has to demagnetisation. a. A neodymium magnet can be used in a variety of environments because it can be found in a variety of sizes, shapes, and grades. Spread the love. A magnet is a material or artificial setup that can produce a magnetic field around it. The repelling force of these materials is far weaker than magnetic attraction of ferromagnetic materials. Strength: 45 tesla: Type: Hybrid: Bore size: 32 mm (~1. The neodymium-iron-boron magnetic field is so powerful that it emits a shrieking sound when turned on. Magnetism is a physical phenomenon by which a substance is attracted or repelled by a magnetic field. A permanent rare earth magnet is one made from a material that stays magnetized. The strongest magnetic field on the planet is currently a man-made pulse magnet, which is a type of electromagnet. The world’s strongest magnets, also known as rare earth magnets,. Sep 23, 2016. 35 (click here for bulk pricing)The materials that make up a temporary magnet are much softer in comparison to the much harder permanent magnet. The National High Magnetic Field Laboratory, or MagLab, at Florida State University runs the world’s strongest continuous magnet for use by scientists, at 45 tesla—around 10 times stronger. Choosing the right material is key to project success. Depending on the grade of the magnet, the heat will demagnetize the magnet. Uranus and Neptune are different. 000 gauss. Similarly, objects with charge moving in opposite directions have a. No matter how small a magnet is, it has two poles. The Benchcraft Mag Blok had a respectable 1882. Created in the 1980’s from an alloy consisting of neodymium (Nd), iron (Fe) , boron (B),. 3. Coronal mass ejections (CMEs) are huge explosions of magnetic field and plasma from the Sun's corona. Ferromagnetic materials are those materials which exhibit a spontaneous net magnetisation at the atomic level, even in the absence of an external magnetic field. Ferrofluid on a glass plate displays the strong magnetic field of the neodymium magnet underneath. 22 teslas (T). Magnetic fields are believed to be generated preferentially by dynamo actions. This crude estimate needs to be commented on in order to avoid misunderstanding. The magnet is made from an alloy of iron, cobalt and nickel and is known as the ‘magnetar’. A permanent magnet has the strongest magnetic field at its poles, as indicated by the dense magnetic field lines shown in Figure 1. A temporary magnet is a metal that creates a magnetic field only under certain conditions. What are Rare Earth Magnets? Rare-earth magnets are permanent magnets having a composition of alloys manufactured from rare earth elements (mostly elements from lanthanide series, and alloys). When diamagnetic material is placed within a magnetic field the lines of force tend to go away from the material. Quadrupole magnets, abbreviated as Q-magnets, consist of groups of four magnets laid out so that in the planar multipole expansion of the field, the dipole terms cancel and where the lowest significant terms in the field equations are quadrupole. It is a kind of magnet made by mixing samarium, cobalt, and other metals to form an alloy, and then the alloy is crushed, pressed, and sintered. This can for example occur when. The tiny magnetic effect of atoms within a domain is due to electrons that are _____. If the field lines around a magnet are mapped, its strongest magnetic field is at either pole. Best Magnetic Therapy Necklace - MagnetRX® Titanium Magnetic Therapy Necklace. made from one of the strongest magnetic materials commercially available will measure a maximum of 6,250 Gauss on the magnet’s surface and considerably less as. BEST BANG FOR THE BUCK: Homearda Magnetic Screen Door. The strongest human-made magnetic fields are about a few hundred thousand gauss. A 2-gram (0. 3. What is the difference between a permanent magnet. Repeat the procedure for all your magnets and compare. Determine which one was the most difficult to pull away. This maximizes the permeance of the core. A larger magnet constructed of the same material . Ex: Liquid oxygen, sodium, platinum, salts of iron and nickel. Magnets, suspended through a string, always point towards the north-south direction. Ferromagnetism is the strongest type and is responsible for this common phenomenon. 0005 x 10-5 for N 2 and -0. 5. It is purportedly unique to Nidavellir, one of the Ten Worlds. Nickel is magnetic, and when present in large enough quantities, can make bronze slightly magnetic. The hybrid magnet managed to produce a field measuring 45. 25 Lightweight Pulsating Iron 250 1. Neodymium magnets come with an incredible magnetic field. Like all types of steel, this alloy is highly impact resistant and scores mid-range on the Mohs scale. The world’s strongest magnets in a billionth of the time. e. The magnetic material is any material in which for a short time the domains are alligned in same direction. 22 Tesla. It has a matching steel ring that can rotate to any angle that you can use. There are five types of modern permanent magnets, each made from different materials with different characteristics. Ferromagnetism is the strongest type and is responsible for this common phenomenon. How does this affect the magnetic field around the wires? the field gets stronger. a wire that is 1 mm thick and not coiled. Stainless steel is a material with tons to offer. e. As a leading magnet supplier across the world, Stanford Magnets. Magnets are objects that produce magnetic fields and attract metals like iron, nickel and cobalt. We manufacture neodymium magnets, ceramic magnets, flexible magnetic sheeting and magnetic devices for industrial, commercial and consumer use. What is Magnetic Susceptibility? Susceptibility is a measure to extend to which material gets. These substances have high magnetic permeability and make the strongest magnets. Permanent magnets are typically made from one of the following materials: Neodymium iron boron. Of the more commonly available magnets, only rare-earth magnets such as neodymium and samarium-cobalt are stronger. Part of the Rare-Earth magnet family, they have the highest magnetic properties of all permanent magnets. The amount of gravity is based on an object's mass, while magnetic strength is based on the material that the object is made of. at either end or pole of the magnet. . SmCo Magnet. Dysprosium. A. Every substance is made up of tiny units called atoms. 2 °C; −425. Neodymium magnets are rare-earth magnet materials with the highest magnetic properties. Ferromagnetism is the strongest type and is responsible for this common phenomenon. 4) and magnesium (1. Either pole will attract iron. Ferrites or ceramic magnets: These are like those used in refrigerator magnets and elementary-school science experiments. Neodymium magnets are known as the strongest magnet material available and have the highest holding strength to these metals. density. There is no fundamental limit on. It has the lowest maximum operating. A ceramic magnet known as lodestone, or magnetite, was the first magnetic material discovered and occurs naturally. A group of materials physicists from Twin Cities, Minnesota, led by Jian-Ping Wang have found a material comprising 16 iron atoms and two of nitrogen is approximately 18% more magnetic than the. Materials in the last three groups exhibit long-range magnetic order below a certain critical temperature. Permanent magnets are limited by the structure of the material. Preferred by magnet fishers, Brute's. Paul Sutter - Jun 17, 2022 10:45 am UTC Enlarge / Artist's conception of a magnetar. as other MagneticBEST OVERALL: CREMAX Magnetic Screwdriver Set 57 PCS. Ferromagnetism is the basic mechanism by which material forms a permanent magnet (i. These values range widely and that of oxygen gas may seem modest, but some paramagnetic materials show far. If they break apart, the small pieces can be a choking hazard. It also occurs in gadolinium and a few other rare-earth elements. Ferromagnetism is the strongest type and is responsible for this common phenomenon. It represents the strongest point on the magnet's Demagnetization Curve, or. 3. [citation needed] Uru is highly durable and retains enchantments very. They were developed in the early 1960s based on work done by Karl Strnat at Wright-Patterson Air Force Base and Alden Ray at the University of Dayton. Upon examination, you will notice that the material is extremely hard and solid. A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents,: ch1 and magnetic materials. A neodymium-iron-boron magnet is the strongest magnet in the world, with a strength of up to 34 tons. And in most cases, the magnetic field strength made by these materials is half of the residual field. This amazing magnet, located at the MagLab's Pulsed Field Facility inside the Los Alamos National Laboratory in New Mexico, produces the highest non-destructive field in the world. Magnetic poles of astronomical bodies like the Earth is a special case of magnets, so let’s discuss these:. If you have your Periodic Table at hand, you won’t be surprised to notice that iron, cobalt, and nickel have atomic numbers of 26, 27, and 28, respectively: they’re all what chemists refer to as transition metals. It has a 400 lb magnetic force with high-quality material neodymium. The most common grades of Neodymium magnets are N35, N38, N40, N42, N45, N48, N50,. The plastic retains the flexible quality of the sheet. Multiple Choice. Magnetic fields such as that of Earth cause magnetic compass needles and other permanent magnets to line up in the direction of the field. MRI scanners = Up to 70,000 Gauss. Researchers were able to produce a magnetic field that reached 1,200 teslas. Materials classified as ferromagnets are ones that exhibit the strongest magnetic properties. A new high-temperature superconducting magnet has reached 20 teslas. Due to the magnetic field, a magnet can attract ferromagnetic materials (e. 39") x 10mm. 3. Basically, it applies a force over a distance on other magnets, electrical currents, beams of charge, circuits, or magnetic materials. What is the limit of the strongest magnetic field? Ans. Which of the terrestrial worlds has the strongest magnetic field? Earth. Some types of steel (e. In comparison, the previous record for a single-molecule magnet was 7. Alignment of domains in the core produces a magnet, the poles of which are aligned with the electromagnet. Two objects containing charge with the same direction of motion have a magnetic attraction force between them. The permeability of a material describes: a the ease with which it can be magnetized. Electrons in orbitals that experience shielding are less. The two are made of rare earth materials. 5. As Matt Collette explains in the article, China has a hold on. The leather is also rated Gold for environmental standards, so. The magnetic force is a consequence of the electromagnetic force, one of the four fundamental forces of nature, and is caused by the motion of charges. A magnet is any material or object capable of producing its. Key points: A magnet is any object that can attract other materials with magnetic properties through a magnetic force. The champion is cobalt iron, available commercially under the name VACOFLUX. When CMEs impact the Earth’s magnetosphere, they are responsible for geomagnetic storms and enhanced aurora. At present, the most commercially available magnet, known as the magnet king, has very high magnetic properties and its maximum magnetic energy. 19). Hold your first magnet in front of a piece of metal, such as a nail. D) It is the process in which a liquid separates. 14 Teslas, and we can say that it is 900 thousand times that of. A diamagnetic material is one that will repel a magnet. 0005 x 10-5 for N 2 and -0. If you want to know more about NdFeB magnets, we advise you to visit Stanford Magnets for more information. where μ 0 is the magnetic permeability of space and B 0 is the externally applied magnetic field. Neodymium (NdFeB or “Neo”) is one of the most common Rare Earth (RE) magnets and offers the strongest permanent magnet available for a given size (the other RE magnet is Samarium Cobalt, SmCo). Caption: This large-bore, full-scale high-temperature superconducting magnet designed and built by Commonwealth Fusion Systems and MIT’s Plasma Science and Fusion Center (PSFC) has demonstrated a record-breaking 20 tesla magnetic field. A magnetic field is the region around a magnet where a force acts on another magnet or on a magnetic material. It’s built to stand up to the elements thanks to a MIL-STD. To do this they set up a comparative test. 9 UnnaturalMagnetic anisotropy means that the magnetic properties depend on the direction in which they are measured. , materials that can be magnetized by an external magnetic field and remain magnetized after the external field is removed). the field disappears completely. For example, the poles of the bar magnet shown in Figure 20. A strong magnetic field is produced when the electron magnetic. Whereas in magnetized materials, most of these domains are aligned, pointing in the same direction, which creates a magnetic field. This attracting property is either natural, as in the case of lodestone, or induced (formed by unnatural means). Symbol. Neodymium magnets are considered part of the family of rare earth magnets because their main element is the rare earth element, neodymium. This little coil, smaller than a can of soda, helped scientists achieve a new world record for a continuous DC magnetic field at 45. A temporary magnet, or. Anything that is magnetic, like a bar magnet or a loop of electric current, has a magnetic moment. Iron, cobalt and nickel are. Common examples are:Key Takeaways: How Magnets Work. Current is the movement of electrons, and electrons are what make materials magnetic. Magnets, or the magnetic fields created by. When freely swinging, one end of a magnet always points east. I will also cover the other two types: ferrimagnetic and antiferromagnetic. 4 megajoules. A student wishes to make a permanent magnet. Magnets exert forces and torques on each other through the interaction of their magnetic fields. PART # N55P500500. Ferromagnetism. This relationship runs in both. Rub the rod with two magnets, drawing the north pole of one magnet from the center of the rod to one end while you draw the south pole of the other magnet in the opposite direction. Determine the level of difficulty. This makes certain materials such as Fabric useful for making grippy tires, certain materials such as Ice useful for weight reduction, and some materials useful for improving the looks of a build, such as Glass Material and Grass. In physics, several different types of magnetism are distinguished. Ferromagnetic, ferrimagnetic, or antiferromagnetic. We will focus specifically on the strongest rare earth magnets available, neodymium magnets (NdFeB) and samarium cobalt (SmCo) magnets. 6 shows a few uses of combinations of electromagnets and ferromagnets. Figure (PageIndex{1}): Ferromagnetism (a) nonmagnatized material and (2) Magnetized material with corresponding magnetic fields shown. There’s a great story in the News@Northeastern today about Laura Lewis ‘ ARPA-E grant — a $3. 2. The Steady High Magnetic Field Facility (SHMFF) in Hefei, China, recorded a field strength of 45. Antiferromagnetism. It is critical to consult a magnet professional before installing a thin-wall magnet into any application. 1. Far from its daily use we can find great magnets with scientific purpose. 30 seconds. Figure 22. Ferromagnetism is the property of certain materials that enables them to form magnets and be attracted to magnets. Answer: Heat, radiation, impact forces, and strong electrical currents will affect the magnetic strength. The second strongest magnet in the world is the Neodymium magnet. A magnet grade is a good measure of the strength of a magnet. The material and grade of a magnet refer to a set of properties that ultimately yield the magnet’s performance. Add infos of the new version. Then with a small battery, run a current through the wiring, and the metal will become magnetic (see Resources for instructions). There are a variety of effects that can be called magnetoresistance. This would be your normal iron, cobalt, nickel. 9 T at 10 K. Ferromagnetic materials are familiar. The term itself usually refers to the magnetic dipole moment. 8 percent pure, and the relative permeability of soft iron with 99. Source: DOE/Lawrence Berkeley National Laboratory. (b) Discoverer of magnet: 3. The magnetic field of a bar magnet is strongest at either pole of the magnet. This is known as "training" the magnet, and involves a type of material memory effect. Magnetic particle testing is a nondestructive testing method for detecting discontinuities in magnetizable material. They test three different magnets. Geomagnetic storms are disturbances to Earth's magnetic field caused by solar material from coronal mass. 2 are where the paper clips are concentrated. ) As a general rule, stainless deserves consideration if your engineering project requires at least one of these three qualities: A shiny, beautiful appearanceStudy with Quizlet and memorize flashcards containing terms like Which electromagnet is the strongest?, Fill in the word that completes the statement. 26" diameter x 0. The strongest permanent magnets in the world are neodymium (Nd) magnets, they are made from magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure. These grades indicate their magnetic strength, with higher numbers representing stronger magnets. A samarium–cobalt (SmCo) magnet, a type of rare-earth magnet, is a strong permanent magnet made of two basic elements: samarium and cobalt. . In other words, the density of field lines indicates magnetic field strength. The magnetic poles of the astronomical bodies are a special case of magnets. This force is mediated by magnetic fields that penetrate different media. In this section, we expand on this and describe some of the properties of covalent bonds. The Strength of Rare Earth Magnets The strongest natural magnet is a lodestone, a piece of mineral magnetite. A ferrimagnetic material is a material that has populations of atoms with opposing magnetic moments, as in antiferromagnetism, but these moments are unequal in magnitude so a spontaneous magnetization remains. Barium ferrite, essentially BaO:6Fe 2 O 3, is a variation of the basic magnetic iron-oxide magnetite but has a hexagonal crystalline form. Ferrofluid on glass, with a rare-earth magnet underneath. Magnetic field lines spread out of the north end of the magnet. 9 Unnatural Soularium 1,500 0. For the best application possible, the surface should be super smooth to support the strongest magnetic attraction. 10; 3 Material Traits. Call it another victory for German design. “Hard” magnetic metals tend to stay magnetized over a long period. 8. Bar magnet (c) Magnetic materials: 4. Other planets in our solar system have magnetospheres, but Earth has the strongest one of all the rocky planets: Earth’s magnetosphere is a vast, comet-shaped bubble, which has played a crucial role in our planet’s habitability. It seems able to store most energies, particularly magic. The strongest magnet in the world is currently a man made pulse magnet, which is a type of electromagnet, at the University of Tokyo. The bar or nail should retain some of its magnetism even after the electrical current has. If. Popular answers (1) For an electromagnet, the best option available currently is soft iron or one of its variants. That is part of the lanthanide series on the Periodic Table. Highly magnetized white dwarfs = Up to 1 billion Gauss. . BEST FOR ELECTRICIANS: Hurricane 13-Piece 1000V Insulated. A magnet 10mm (0. A pole of a magnet may refer to a magnetic monopole, a hypothetical elementary particle. When the current is shut off, the magnetic field disappears. Depending on the grade of the magnet, the heat will demagnetize the magnet. What is the strongest magnetic material? _____- 6. Neodymium: The Strongest Permanent Magnet. 1 Answer. are usually considered to be non-magnetic but in fact, they are very weakly diamagnetic. If the current in each wire is the same, which wire produces the strongest magnetic field? A. Its magnetic susceptibility is small and negative, which ranges from +10-5 to +10-3. Amazon. So which is which? Let's find out!. The material on this site can not be. It is made up of two poles that are connected by a bar of magnet material. The most common metals used for permanent magnets are iron, nickel, cobalt and some alloys of rare earth metals. Highly magnetized white dwarfs =. So far I've been examining arrays where one side is used, similar to the one for your production line. Any material that exerts magnetic force is considered a magnet. Strong enough magnetic fields therefore destroy objects as we know them. This is waaaay late, but I've been examining the question of how to maximise magnetic field for the amount of magnetic material used and I had the following findings. Ferromagnetism, the permanent magnetism associated with. Diamagnetism is the property of materials that are repelled by a magnetic field; an applied magnetic field creates an induced magnetic field in them in the opposite direction, causing a repulsive force. Ferromagnetism is the basic mechanism by which a material form permanent magnet (i. Conclusion. Magnetic materials with a high frequency are made of rare earth elements such as nickel and manganese. In proposing his theory that octets can be completed by two atoms sharing electron pairs, Lewis provided scientists with the first description of covalent bonding. Materials in the first two groups are those that exhibit no collective magnetic interactions and are not magnetically ordered. It is basically composed of a single layer of carbon atoms arranged in a triangular lattice and it’s the basic structural element in. All you need to make your own magnet is to wrap lots of coils of copper wiring around a steel bar or nail. Size (D x. not capable of being magnetized. Magnetism surrounding the wire weakens the magnetic force of the pole. A magnetic pole is the part of a magnet that exerts the strongest force on other magnets or magnetic material, such as iron. Zone 4, the area containing the MRI scanner that is associated with the strongest magnetic field, should be. Recommended for you. Which best explains why the needle moves away from the pole when it comes close to a current-carrying wire? Current within the wire weakens the magnetic force of the pole. A low-temperature superconductor would need a volume 40 times. In general, higher numbers indicate a stronger magnet. A magnet is an object or a device that gives off an external magnetic field. Answer: A magnet is a material or object that can produce magnetic force. The weak force. The dysprosium complex also remained strongly magnetic at a relatively balmy 80 K, matching the highest recorded. Neodymium iron boron (NdFeb) Neodymium magnets are the most powerful magnets. 7. This magnetic field is caused by ferromagnetism and is the strongest form of magnetism. A magnet always comes with a pair of. MRI scanners = Up to 70,000 Gauss. Magnetic alloys have become common, especially in the form of steel. The lab also has a materials research team that researches new ways to make high strength magnetic materials using more common and cheaper elements. Magnetism is caused by the motion of electric charges. Composed of neodymium, iron & boron, these strong permanent magnets are the most powerful class of magnet materials commercially available today. 2), sodium (0. The magnetic properties of the various grades of neodymium magnets are adjusted by using varying amounts of rare earth elements in the alloy mixture, with each element adjusting the characteristics of the material in a different way. Nickel. Researchers in Dresden have set a new world record for the strongest magnetic field ever manufactured at the High Magnetic Field Laboratory. A compass needle normally points toward Earth's magnetic pole, which is near the North Pole. Ceramic magnets are strong, and work well for most experiments. But using the permanent magnet is still attractive as it provides us almost eternal field without energy consumption. Permanent magnet technologies have been. Magnetization-Magnetic Field data for four different materials is reported in the figure shown here. Pull Force: 630g. Pieces of lodestone were actually used in the very first magnetic compasses ever made. Compared to other available magnets, neodymium magnets are the strongest. Electric forces exist among stationary electric charges; both electric and magnetic forces exist among. Magnets attract wood and materials that contain iron. 5 °F). For example, the poles of the bar magnet shown in Figure 20. The magnetic force of the. The added power (with reduced bulk) could help enable. Sheet magnet is a thin layer of plastic, embedded with millions of magnetized steel particles that act like tiny magnets. The strongest commercially-available hard magnetic material available today is the Sintered Neodymium magnet. There are 3 main types of magnetic materials: ferromagnetic, paramagnetic, and diamagnetic. 75 per magnet. Which planet has the strongest magnetic field, and hence the largest magnetosphere? What is its source? Jupiter has the largest magnetosphere. Magnetism can be described as a force that attracts and repels magnetic objects. 1 Gs. The entire magnet. Life on Earth initially developed […]As shown above, the magnetic field is strongest near to the poles of the magnet were the lines of flux are more closely spaced. So in this screen, there are 18 rectangle openings wide and 14 openings high in each square inch. Breakthrough in superconducting materials opens new path to fusion. 2. midway between each side of the magnet. Like all types of steel, this alloy is highly impact resistant and scores mid-range on the Mohs scale. The rules of magnetism Two magnets will either attract or repel each other. Over time, the Sun’s differential rotation rates cause its magnetic field to become twisted and tangled. The formation mechanism of such strong fields outside umbrae is still puzzling. 5 22. However, certain materials can be magnetised or demagnetised according to the requirements. enter this region, they will be attracted to the magnet. The magnetic field of each magnet is due to microscopic currents of electrically charged electrons orbiting nuclei and the intrinsic magnetism of fundamental particles (such as electrons) that make. 4. Unlike Mercury, Venus, and Mars, Earth is surrounded by an immense magnetic field called the magnetosphere. The strongest commercially produced magnet known to man is the neodymium magnet. , ferritic stainless steel) Neodymium, iron, boron alloy (Nd magnet) Although ferromagnetic (and ferrimagnetic) materials are the only ones attracted to a magnet strongly enough to be commonly considered magnetic, all other substances respond weakly to a magnetic field, by one of several other types of magnetism . The number comes from an actual material property, the Maximum Energy Product of the magnet material, expressed in MGOe (Mega Gauss Oersteds). Aluminum is one of the metals that exhibit paramagnetism. Common Magnetic Material by Grade Range: Application Considerations. 5 T record in 2019 was actually reached when the magnet failed immediately in a quench. Characteristics: Not as brittle as SmCo, but should not be used at temperatures above 300°F, without special. The strongest permanent magnets in the world are neodymium (Nd) magnets, they are made from magnetic material made from an alloy of neodymium, iron and boron to form the Nd 2 Fe 14 B structure. A magnet is a material or object that produces a magnetic field. The gasses N 2 and H 2 are weakly Diamagnetic with susceptibilities of -0. The magnetic field isn't. Magnetic field lines. The attraction or repulsion that occurs when magnets are held close to each other is caused by the____ that flow into and out of a magnet.