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Application of high purity molybdenum sputtering target in liquid crystal flat panel displays
With the development of science and technology, molybdenum (Mo) has begun to emerge in many emerging fields, changing human life in all aspects. The most relevant to people’s lives is its application in the manufacture of flat-panel displays. Large-size high-purity molybdenum sputtering targets are the key core raw materials in the manufacture of liquid crystal flat-panel displays, and Mo is one of the preferred materials for sputtering targets for flat-panel displays. Such targets are needed for the screens of electronic products such as daily color TVs, smart phones, tablet computers, and some large household appliances, as well as the control display screens of some military communication equipment. How is the display of a flat-panel display achieved? Through two pieces of glass separated by vacuum, the glass on the back is used as the cathode. More than 500 million emitter tips are distributed on this piece of glass in the form of a field emitter array. The interval between the emitters is very small, much smaller than the pixels on the TV screen. The emitter tips can be controlled individually or in groups during display. It is made of Mo. This display using Mo has the advantages of wide viewing angle,...
2025-03-24 Learn More
Effect of Molybdenum on the Properties of Stainless Steel
Like tungsten, molybdenum is a refractory rare metal with a melting point of 2620℃, strong interatomic bonding, small expansion coefficient, high electrical conductivity and good thermal conductivity. The effects of molybdenum on the performance of stainless steel are as follows: Molybdenum has no significant oxidation effect on stainless steel. Therefore, when chromium-nickel stainless steel maintains a single austenite structure and no intermetallic precipitation, the addition of molybdenum has little effect on its room temperature mechanical properties. However, with the increase of molybdenum content, the high temperature strength of steel is improved, such as durability, creep and other properties are greatly improved. Therefore, molybdenum-containing stainless steel is also often used at high temperatures. The addition of molybdenum increases the high temperature deformation resistance of steel. In addition, there is often a small amount of ferrite in steel. Therefore, the hot processing property of molybdenum-containing stainless steel is worse than that of non-molybdenum-containing steel, and the higher the molybdenum content, the worse the hot processing performance. In addition, one million κ phases are easily precipitated in molybdenum-containing stainless steel, which will significantly deteriorate the plasticity and toughness of the steel. Therefore, in the production, equipment manufacturing and application of molybdenum-containing stainless steel,...
2025-03-19 Learn More
Analysis of Tungsten Wire Cutting Resistance
The cutting resistance of tungsten wire is the result of the synergistic effect of multiple factors such as high hardness, high strength, fine grain structure, and surface protection, making it irreplaceable in the fields of industrial cutting wire, high temperature saw wire, and bulletproof fiber. The following is an analysis of the principle of tungsten wire’s cutting resistance, divided into core mechanisms and influencing factors: 1. Intrinsic properties of materials Ultra-high hardness: The Vickers hardness of tungsten (300~500HV) is much higher than that of most metals (such as 200~300HV for steel). The high hardness directly resists the indentation and scratching of cutting tools, reducing its own vulnerability to cutting. Doping with tungsten carbide (WC) or surface coating (such as TiN) can increase the local hardness to more than 2000HV, forming a “hard shell” protective layer. High melting point and high temperature stability: The melting point of 3422°C makes it difficult to soften or melt during high-temperature cutting (such as laser cutting, plasma cutting), maintaining structural integrity. The grains are not easy to coarsen at high temperatures (grain boundary migration is inhibited by rare earth oxides), avoiding strength loss. Tensile strength and toughness: The tensile strength can reach more than 3500MPa,...
2025-03-12 Learn More
Molybdenum Metal/Alloy Processing and Manufacturing – Machining
Molybdenum metal and its alloys can be machined using all common machining processes. There are several points that must be considered when machining molybdenum or its alloys. Although molybdenum retains its strength at high temperatures, it is not particularly strong at room temperature. It is also less ductile than carbon steel or brass. In addition, its relatively high ductile-brittle transition temperature (DBTT) means that it is susceptible to stress risers and other geometric features that may initiate cracks. The machining equipment should be strong, free of backlash, and the workpiece should be securely clamped. The sharpness of the tool is very important, as a dull tool may tear the material rather than cut cleanly, which can cause microcracks that limit the life of the finished part. Carbide tools are preferred for most applications due to their good hardness and wear resistance. High-speed steel tools can also be used if care is taken to maintain the sharpness of the tool. Feeds and speeds for high-speed steel tools are lower than for carbide tools. Carbide tools perform particularly well in situations where wear due to chips and dust is a problem. Their life is greatly improved compared to steel tools, so carbide...
2025-03-07 Learn More

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