The term ‘refractory metal’ is used to describe a group of metal elements that have exceptionally high melting points and are resistant to wear, corrosion, and deformation.
Industrial uses of the term refractory metal most often refer to five commonly used elements:
Molybdenum (Mo)
Niobium (Nb)
Rhenium (Re)
Tantalum (Ta)
Tungsten (W)
The identifying feature of refractory metals is their resistance to heat. The five industrial refractory metals all have melting points in excess of 3632°F (2000°C).
Tungsten Copper Alloys for Motors As one of the key parts of the DC motor, the commutator segment can be made not only of silver-copper alloy but also of tungsten copper alloy. This is mainly due to the combination of the advantages of copper and tungsten in tungsten-copper alloys. That is, it has the characteristics of high strength, […]
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Uses of Tungsten Nickel Iron Alloys As a typical representative of high-density tungsten-based alloys, tungsten-nickel-iron alloys are widely used due to their higher density, smaller volume expansion coefficient, excellent plasticity, and weldability. Then in which areas can the alloy be used? In this article, let’s take a closer look at the uses of tungsten nickel-iron alloys. […]
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Tungsten Copper Alloy vs Tungsten Nickel Iron Alloy Tungsten-copper alloy, like tungsten-nickel-iron alloy, is a high-density tungsten alloy. But tungsten copper alloy vs tungsten nickel iron alloy, what’s the difference between them? If you looking for the answer to this question, then you’ve come to the right place. In this article, we will take a […]
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Tungsten Copper Alloy for Electronic Packaging Materials Tungsten copper alloy (W-Cu alloy) is an alloy that combines the advantages of tungsten and copper. Specifically, it not only has the characteristics of high melting point, high density, and low expansion coefficient of metal tungsten but also good electrical and thermal conductivity properties of metal copper, so […]
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How to Improve the Performance of Tungsten Copper Alloy? Tungsten-copper alloy is an alloy composed of tungsten and copper. Commonly used tungsten copper alloys contain 10% to 50% copper. The alloy can be prepared by powder metallurgy and has good electrical and thermal conductivity, good high-temperature strength, and certain plasticity. In this article, we will introduce how to improve […]
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Magnetic Saturation and Coercivity of WC-Co Hard Alloys WC-Co hard alloy is an alloy with tungsten and cobalt as the main components. According to the cobalt content, WC-Co hard alloy can be divided into three types: high cobalt (20%～30%), medium cobalt (10%～15%), and low cobalt (3%～8%). This alloy can be used as a tool to process cast […]
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Cemented Carbide for Watch Chains For the new generation of watch chains, the reason why cemented carbide should be used as the core raw material is that it has better wear resistance and the product is not prone to deformation under any circumstances. In this article, let’s take a quick look at the cemented carbide […]
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Tungsten Alloys for Gamma-Ray Shielding Material In addition to tungsten-nickel-iron alloy (W-Ni-Fe alloy), γ-ray shielding material can also be produced with tungsten copper alloy (W-Cu alloy). W-Ni-Fe alloy and W-Cu alloy are both high-density tungsten alloys, both of which use the W phase as the hard phase, but due to the difference in bonding phase metals, their production processes and […]
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Production Methods of Spherical Tungsten Powder Spherical tungsten powder has the characteristics of good powder fluidity and high tap density and is often used as a high-tech material in thermal spraying, porous materials, filter materials, rocket sweating materials, powder metallurgy industry, and other fields. In this article, let’s take a look at the production methods […]
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High Specific Gravity Tungsten Alloy for Crane Counterweight The reason why environmentally friendly crane counterweights use high specific gravity tungsten alloy as the key raw material is that the alloy has higher density, better corrosion resistance, and oxidation resistance. To put it more simply, the counterweight produced with tungsten alloy blocks has better practical performance, that […]
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