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Magnetism

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Two Advantages of Electromagnet Over Permanent Magnet

Two Advantages of Electromagnet Over Permanent Magnet Magnets come in two main types: permanent magnets and electromagnets. As its name suggests, a permanent magnet is always magnetized -- think of a kitchen magnet that stays stuck to a refrigerator door for years. An electromagnet is different; its magnetism works only when powered by electricity. Although [...]

The Difference Between Maximum Working Temperature and Curie Temperature of Magnet

The Difference Between Maximum Working Temperature and Curie Temperature of Magnet Maybe some people think the maximum working temperature of magnet is same as its Curie temperature. Actually, this is a mistake. The magnetic material can be divided into 5 kinds: ferromagnetism, ferrimagnetism, anti-ferromagnetism, paramagnetism, diamagnetism. Iron, Cobalt and Nickel are ferromagnetic material, also permanent [...]

Curie Temperature of Permanent Magnets

Curie Temperature of Permanent Magnets Regarding the Curie temperature of permanent magnets, many people will ask whether the Curie temperature of magnets is the highest working temperature of magnets. We Baidu this sentence, found that there are two distinct replies, one is a positive response, the other is the opposite, then in the end Curie [...]

Halbach Array for Magnetic Water Conditioner

Halbach Array for Magnetic Water Conditioner Regularly we see a magnetic water conditioner including two magnets with opposite magnetic poles face-to-face cliped together, just simply clip them together onto the water pipes will get a magnetized water resulting from flowing water cutting the magnetic filed. The advantages are low cost and simple operation but the [...]

Magnetism Magnetic Terminology and Definitions

Magnetism Magnetic Terminology and Definitions Formerly it was beleived that magnetism represented an independent physical phenomenon. It is a fact, however, that magnetic processes are connected to electric processes, that each electric process is a magnetic one at the same time, and vice versa. For a better understanding of physics related to magnets we have [...]

Facts About Magnets

Facts About Magnets Magnets are objects that produce magnetic fields. Facts About Magnets There are only a few materials on earth that produce their own magnetic fields. However, there are some materials such as iron, that can be manipulated to produce their own magnetic fields. Uses Magnetic materials have several applications. VHS tapes and audio [...]

Difference Between Light Rare Earth Element (LREE) & Heavy Rare Earth Element (HREE)

Difference Between Light Rare Earth Element (LREE) & Heavy Rare Earth Element (HREE) LREE HREE Rare earth elements possess special chemical and physical properties that they help make smartphones, hybrid cars and other high-tech devices possible. REEs consist of the 15 elements in the Lanthanide series and two other elements that don't belong to that [...]

Magnetism Measurement

Magnetism Measurement General magnetic capacity measurement Magnetic Properties: Br, Hcb, Hcj, (BH)max, Hk, Ms, ?rec, Hk/ Hcj etc. The test instrument used is the Hysteresisgraph tester. Hcj value between 50 and 20,000 Oe can be measured. Magnetism Measurement Magnetic properties at high and low temperatures (-40 to 250 ℃): Properties tested at any [...]

Laboratory Magnets

Laboratory Magnets, Laboratory Equipment, Lab Magnets Our testing laboratory houses a range of laboratory equipment, representing smaller scaled versions of our industrial product range. Magnets used in Research Laboratories often present some magnetic challenges. HSMAG Magnet  are frequently asked to provide a magnetic assembly with a specific shape or strength of field for a particular [...]

Magnet Attracting Repulsion Principle

Magnet Attracting Repulsion Principle Magnet Attracting Repulsion - Now more and more people are using magnets, we want to discuss some of the most basic issues with you first. How do magnets attract each other? How are they excluded? How to make the screwdriver magnetized? Magnet basics magnets can attract each other or repel each [...]

Water Anti-scale Magnetic Treatment

Water Anti-scale Magnetic Treatment, Magnetic Water  Treatment Magnetic water treatment (also known as anti-scale magnetic treatment or AMT) is a method of supposedly reducing the effects of hard water by passing it through a magnetic field as a non-chemical alternative to water softening. Magnetic water treatment is regarded as unproven and unscientific. There is a lack [...]

Explaining Magnetism

Explaining Magnetism with The Domain Theory In the early 20th century, before scientists properly understood the structure of atoms and how they work, they came up with an easy-to-understand idea called the domain theory to explain magnetism. A few years later, when they understood atoms better, they found the domain theory still worked but could [...]

Magnetism Electricity: Theory of Electromagnetism

Magnetism Electricity: Theory of Electromagnetism Electromagnets show that you can make magnetism using electricity. In fact, as European scientists discovered in the 19th century, electricity always makes magnetism when it moves about or changes. Every time an electric current flows in a wire, it generates a magnetic field all around it. Changing electricity, in short, [...]

SIX Things to Know About Magnets

SIX Things to Know About Magnets Almost everyone knows these six basic facts about how magnets behave: 1, A magnet has two ends called poles, one of which is called a north pole or north-seeking pole, while the other is called a south pole or south-seeking pole. 2, The north pole of one magnet attracts [...]

Magnetism

Magnetism Science is our understanding of how the world works—and generally the world works fine whether we understand it or not. Take magnetism, for example. People have known about magnets for thousands of years and they've been using them practically, as compasses, for almost as long. The ancient Greeks and Romans knew as well as [...]

Do magnets temperature affect magnetism in a magnet?

Do magnets temperature affect magnetism in a magnet? Yes, temperature affects the strength of a magnet. Colder temperatures will permit the magnetic field strength to increase a bit and hotter temperatures will decrease it a bit. The effects can be demonstrated by a simple experiment with a bar magnet and a handful of carpet tacks. [...]

Magnetic Halbach Arrays

Magnetic Halbach Arrays - MAGNETIC-BEARINGS & HALBACH ARRAYS A Halbach array is a special arrangement of magnets that 'directs' the magnetic field to allow high magnetism in particular locations and low magnetism in other locations. Magnetic Halbach Arrays There are a number of different assemblies and arrangements available. We can supply Halbach arrays [...]

Magnetic Measurements

Magnetic Measurements For measuring of the fundamental magnetic properties of a material (Br, bHc, iHc, BHmax, demagnetisation curve), Hysteresisgraph or BH-tracker is used. A BH-tracker consists of an iron (usually FeCo) yoke to form a closed circuit, electromagnets to create the demagnetizing field and fluxmeters to determine the demagnetizing field and the materials response. [...]

What is L/D ratio

What is L/D ratio L/D is a ratio to analyze the shape of a magnet, and it is a very important parameter to judge the temperature resistance ability of the magnet basically. MAGNET LD ratio Normally, we advise L/D ratio>0.5 (≥0.7 will be even better ) L/D ratio was calculated as follow: (1) [...]

How does a magnetic base work?

How does a magnetic base work? Magnetic bases can be one of two varieties: those with lever switches and those with push buttons Although the ON/OFF for the magnet may vary, the way the system works is still the same. The magnetic base is made up of four parts: one part non-ferrous metal spacer (metal [...]

Magnetic Putty Magic – The magnetic modeling clay

Magnetic Putty Magic – The magnetic modeling clay “Magnetic Putty Magic“, a strange and fascinating video using the Magnetic Putty, a magnetic modeling clay. This gadget with amazing properties, and a texture between clay and slime, is sensitive to magnetic fields, resulting with some very bizarre behavior in front of magnets… A video directed by [...]

Magnetic Pottery

Magnetic Pottery - Evidence of Earth’s magnetic field is all around us. Animals use it to navigate, the spectacular display of the Aurora Borealis is generated by it, even your compass pointing north—all possible because of this mysterious force. However, while we experience the benefits of the magnetic field on a daily basis (we wouldn’t [...]

What Are Non-Metallic Magnets?

What Are Non-Metallic Magnets? Non-Metallic Magnets - Scientists have suspected that graphene(a thin, single layer of pure carbon atoms) packed together in a hexagonal lattice structure and thought to be the future of aviation, isthe solution to creating a magnetic material able to hold onto its magnetism up to room temperature. Graphene is already well-known [...]

Optical magnetic field sensor can detect signals from the nervous system

Optical magnetic field sensor can detect signals from the nervous system, tiny magnetic fields, Small magnetic fields sensors, Ultra sensitive magnetic field sensor, sensitive magnetic field sensor The human body is controlled by electrical impulses in, for example, the brain, the heart and nervous system. These electrical signals create tiny magnetic fields, which doctors could use to diagnose various [...]

IBM scientists demonstrate single-atom magnetic measurements

IBM scientists demonstrate single-atom magnetic measurements, magnetic property, magnetic structures, IBM, single-atom magnetic measurements - IBM scientists have measured a fundamental magnetic property of a single atom -- the energy required to flip its magnetic orientation. This is the first result by a promising new technique they developed to study the properties of nanometer-scale magnetic structures that are [...]