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Magnetism for kids - A simple introduction

Sep 26, 2018 · To ancient people, magnetism must have seemed like magic. Thousands of years down the line, we understand what happens inside magnetic materials, how their atomic structure causes their magnetic properties, and how electricity and magnetism are really just two sides of the same coin: electromagnetism. Once scientists would have said magnetism ...

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Magnetic Properties of Materials - Study Material for IIT ...

What are three properties of a magnet - answers

The magnetic properties of a magnet come from the alignment of electrons inside of the magnet. The North pole of a magnet will repel another North pole, but attract a South pole, and vice versa.

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Microstructure and magnetic properties of multi-main-phase ...

The magnetic properties and thermal stabilities of this kind of magnet are improved with increasing Pr-Nd-Fe-B content due to the superior intrinsic properties of (Pr, Nd)-Fe-B than Ce-Fe-B. The coexistence of three Curie temperature points indicates three kinds of magnetic main phases in the magnets.

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Materials Exam 3 Flashcards - Flashcard Machine - Create ...

• A magnetic field is produced when a CURRENT flows through a wire coil. • Magnetic induction (B):-- an internal magnetic field is induced in a material that is situated within an external magnetic field (H).-- magnetic moments result from electron interactions with the applied magnetic field

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Magnetite & Lodestone | Mineral Photos, Uses, Properties

Magnetite is very easy to identify. It is one of just a few minerals that are attracted to a common magnet. It is a black, opaque, submetallic to metallic mineral with a Mohs hardness between 5 and 6.5. It is often found in the form of isometric crystals. It is the most strongly magnetic mineral ...

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Magnetic Properties of 304 & 316 Stainless Steel

Magnetite - Wikipedia

Magnetic with definite north and south poles: Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe 3 O 4. It is one of the oxides of iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself.

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Cobalt and Cobalt Alloys - Total Materia

Cobalt is useful in applications that utilize its magnetic properties, corrosion resistance, wear resistance, and/or its strength at elevated temperatures. This article provides a general overview of cobalt-base alloys as wear-resistant, corrosion-resistant, and/or heat-resistant materials.

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Factors Determining Magnetic Properties by Ron Kurtus ...

Factors Determining Magnetic Properties. by Ron Kurtus (revised 15 February 2016) There are three main factors that determine the magnetic properties of a material.. The most basic factor is the configuration of the electrons in the material's atoms.

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Properties of Magnet: Types, Uses, Applications of Bar Magnet

Repulsive Properties – Like magnetic poles repel each other and unlike magnetic poles attract each other. Directive Property – A freely suspended magnet always points in a north-south direction. Attractive Property Magnets attract other magnetic substances. This property can be demonstrated with the help of .

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Magnetic properties of materials -

Magnetization Curves. Any discussion of the magnetic properties of a material is likely to include the type of graph known as a magnetization or B-H curve.Various methods are used to produce B-H curves, including one which you can easily replicate.Figure MPA shows how the B-H curve varies according to the type of material within the field.

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What Metals Are Magnetic? | Reference

One of the first magnetic substances discovered, lodestone was used to create early compasses. The Earth's magnetic field is produced by the movements of the inner core. Scientists believe that the core is composed primarily of iron and nickel, which are both magnetic. This magnetic field is what causes the needle of a compass to point north.

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Optimized composition and improved magnetic properties of ...

Aug 25, 2019 · • Decreased recoil permeability and fully closed recoil loops are observed for the optimized alloys. • The strengthened short range exchange coupling interaction between adjac

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Magnetic Properties of Engineering Materials | Electrical4U

Jun 08, 2019 · To finalize the material for an engineering product / application, we should have the knowledge of magnetic properties of materials. The magnetic properties of a material are those which determine the ability of material to be suitable for a particular magnetic Application. Some of the typical magnetic properties of engineering.

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Classes of Magnetic Materials -

It's just that some materials are much more magnetic than others. The main distinction is that in some materials there is no collective interaction of atomic magnetic moments, whereas in other materials there is a very strong interaction between atomic moments. ... Magnetic Properties .

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Magnetic Properties - Chemistry LibreTexts

The magnetic moment of a system measures the strength and the direction of its magnetism. The term itself usually refers to the magnetic dipole moment. Anything that is magnetic, like a bar magnet or a loop of electric current, has a magnetic moment. A magnetic moment is a vector quantity, with a magnitude and a direction.

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Magnetic Domains - nde-ed

Magnetic Domains. Ferromagnetic materials get their magnetic properties not only because their atoms carry a magnetic moment but also because the material is made up of small regions known as magnetic domains. In each domain, all of the atomic dipoles are coupled together in .

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magnetism | Definition, Examples, Physics, & Facts ...

Magnetism, phenomenon associated with magnetic fields, which arise from the motion of electric charges. It can be an electric current in a conductor or charged particles moving through space, or it can be the motion of an electron in an atomic orbital. Learn more about magnetism in this article.

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Quiz & Worksheet - Properties of Magnetic Fields | Study

About This Quiz & Worksheet. Use this quiz/worksheet combo to help test your understanding of the properties of magnetic fields. Some of the topics you'll be quizzed on include a description of a ...

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