【Know Molybdenum】TZM Alloy Properties
TZM alloy has many good properties, such as physical property, chemical property and mechanical property, including high temperature oxidation resistance, room temperature and high temperature tensile mechanical properties, high temperature bending and creep properties, high temperature fatigue resistance, so it is widely used in various fields.
Molybdenum Wire Properties Requirements
Molybdenum wire is divided into different types according to different applications, including spraying molybdenum wire, molybdenum wire for electric light source, molybdenum wire for heating furnace, molybdenum wire for electronic device and molybdenum cutting wire and so on. The quality of molybdenum wire mainly depends on its chemical composition, mechanical properties, surface finish, piece weight and dimensional tolerances, and different molybdenum wire products’ quality and properties requirements are somewhat different.
China Molybdenum Wire Introduction
Molybdenum wire is an important product among molybdenum finished products and its total production accounted for 13% of molybdenum deep processing product’s total output. China molybdenum wire is divided into pure molybdenum wire and doped molybdenum wire and the diameter is generally between 0.051 to 0.350mm. The brands of China molybdenum wires are Mo1, Moδ, Mo2, Mo3, Mo3 δ. There Mo1 and Mo2 are pure molybdenum and Mo3 is doped molybdenum wire which is doped with Ca, Mg and other elements. Molybdenum wire main production processes are mainly as follows: First, through the powder metallurgy method can obtain molybdenum powder and the metal powder after sintering will produce molybdenum bar. Molybdenum Wire Applications
Molybdenum wire is a kind of molybdenum products, it has the excellent properties, such as high melting point (2620 ℃), high density (10.2g / cm3), high strength rare refractory metals, thermal expansion coefficient, good thermal conductivity, high strength, high temperature, wear resistance, corrosion resistance and other excellent physical and chemical properties. Molybdenum wire applications are widely, which is usually used in the fields of aviation and aerospace, metallurgy, machinery and electronics, automobile manufacturing and so on. According to its application, it can be divided into spraying molybdenum wire, molybdenum cutting wire, molybdenum heating wire and so on.China Molybdenum Development Difficulties
The development difficulties of China Molybdenum Industry are focused on lacking of systematic and whole research and development, patent and technicians problem, and market information spreading speed, etc.
Applications of Molybdenum
Mo Use 237,000 MT Mo contained. The total of 101% is derived from rounding errors.
The chart above refers to molybdenum produced from mined ore, not to scrap material recycled by chemical processes or remelting; hence the name "new molybdenum."
About 20% of this material is used to make molybdenum grade stainless steel, while constructional steel, tool and high speed steel and cast iron, taken together use an additional 57%. The remaining 23% is used in upgraded products like lubricant grade MoS2, molybdenum chemical compounds and molybdenum metal.
For more information about molybdenum's many downstream uses, please click the following link: http://www.molybdenum.com.cn.
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What Is Molybdenum
Molybdenum was discovered by Carl Welhelm Scheele, a Swedish chemist, in 1778 in a mineral known as molybdenite (MoS2) which had been confused as a lead compound. Molybdenum was isolated by Peter Jacob Hjelm in 1781.
Isotopes of molybdenum
There are 35 known isotopes of molybdenum, ranging in atomic mass from 83 to 117, as well as four metastable nuclear isomers. Seven isotopes occur naturally, with atomic masses of 92, 94, 95, 96, 97, 98, and 100. Of these naturally occurring isotopes, only molybdenum-100 is unstable.
Physical properties of Molybdenum
In its pure form, molybdenum is a silvery-grey metal with a Mohs hardness of 5.5. It has a melting point of 2,623 °C (4,753 °F); of the naturally occurring elements, only tantalum, osmium, rhenium, tungsten, and carbon have higher melting points. Weak oxidation of molybdenum starts at 300 °C. It has one of the lowest coefficients of thermal expansion among commercially used metals. The tensile strength of molybdenum wires increases about 3 times, from about 10 to 30 GPa, when their diameter decreases from ~50–100 nm to 10 nm.
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