At present, the main methods of producing high density SiC ceramics include hot pressing sintering, pressureless sintering and reaction sintering, etc.
Polishing materials are used to grinding and polishing glass, polishing of metal, leather, semiconductor, plastics, jade, stainless steel, etc. What benefits on the surface polishing of mobile phones?
Today Yole Development predicted that power transistors would radically shift from silicon wafers to silicon carbide (SiC) and gallium nitride (GaN) substrates—to achieve higher power in smaller spaces.
Industry cluster effect is obvious and oligopoly pattern has formed. Henan province has highest market share of superhard materials, and the combined market share of synthetic diamond industry can reach about 80%.
Researchers have developed a highly compact and efficient inverter for use in uninterruptible power supplies (UPS) for electrical devices.
Many alumina manufacturers express that the consumption growth of the global aluminum boosts the demand of bauxite and alumina.
The palette of materials that can be used as 3-D printing "ink" is quickly growing in diversity, but one ubiquitous material has, until now, been absent: transparent glass.
China’s spot alumina prices ended up keeping the markets range-bound on Friday. The market participants continue to focus on the RMB exchange rate and stock market, to seek a more clear direction.
GE Company will build the first power electronics manufacturing center based on GE silicon carbide technology.
Because of new breakthrough in machine tool technology, the cutting process has become quicker. It not only shortens the cutting time but also improves the surface processing accuracy.
Most abrasives manufacturers said brown fused alumina products are reliable, which has not only stable performance, but good quality, and is easy to use.
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The department´s research goal is to establish silicon carbide (SiC) crystal growth processes that can produce large ultra-high quality SiC epitaxial wafers.
According to the latest news, many alumina manufacturers express that China's spot alumina prices are stuck in the range fluctuations on Friday, and the outlook remains bleak.
Bauxite is scarce resource in our country, and the development of Laos bauxite can make up for the lack of bauxite resources in China.
Chinese spot alumina prices held steady Monday despite smelter cuts over the past week, industry sources said. However, with further cutbacks expected in the near term prices may be pressured lower, sources said.
Malaysia's sudden emergence as a significant bauxite exporter is unsustainable, aspiring Australian bauxite exporter Alumina says. The change in attitude follows a turbulent 18 months in bauxite markets.
Asia Pacific is the largest market of high-purity alumina attributed mainly to the high concentration of allied industries such as semiconductor and electronics equipment manufacturing industries in China, Taiwan and South Korea.
APeC Integrated Services, Inc. retrofits the grinders with a modern computer-numerical-control (CNC) system and implement controls that would make it easier to use, improve performance, and ensure precision and controllability.
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