Driving is greener with our automotive processors for engine management units(EMUs) and electronic control units(ECUs), high-efficiency smart power electronics at the heart of all automotive subsystems, Silicon Carbide devices for hybrid and electric cars, and more.
At present China's industrial production of silicon carbide is divided into two black silicon carbide and green silicon carbide, are the six-party crystal, specific gravity is 3.20~ 3.20, the microhardness of 2840~ 3320 kg/was.
Seal rings or seal faces are main parts of mechanical seals and dry pressing and sintering is utiliezed to make seal faces or seal rings and welocme to co-operate with us for mechanical seals and mechanical seal faces or rings in silicon carbide, ceramic, tungsten carbide and carbon etc.
In particular, for volume zones such as railroads and smart grids, development will be limited to Si IGBTs up to 2020, and the next-generation materials, such as Silicon Carbide(SiC), will not be utilized until 2020.
A bush, bushing/sleeve is designed to reduce the friction and to save wear of a moving shaft, basically with the same use of bearings and silicon carbide shafts and bushes/sleeves/bushings, with excellent resistance to corrosion, firction and high temperature, can be used in high pressure and magnetic pumps and so on.
For China that is relatively serious in price wars, silicon substrate has more cost and price advantage: silicon substrate is conductive substrate, not only can reduce the core area, but also can omit the gallium nitride epitaxial layer of dry etching steps, coupled with the hardness of silicon than sapphire and silicon carbide low, in the processing can also save some costs.
MITSUI KINZOKU Engineered Powders Division| New Products: Abrasive for SiC Since silicon carbide(SiC) single crystal is receiving attention as a material for many power devices. However, it is extreamly hard and requires considerable skill and time to smoothen the surface down to the atom level.
At present, most of the market use sapphire or silicon carbide substrate to epitaxial growth broadband gap semiconductor gallium nitride, both of these materials are very expensive and are monopolized by large foreign enterprises, and the price of silicon substrate is much cheaper than sapphire and silicon carbide substrate, which can make a larger substrate, improve the utilization rate of MOCVD, thereby improving the core yield.
From 30th September- 7th October 2014, 21 experts from ten countries attended a meeting at the International Agency for Research on Cancer(IARC, Lyon, France) to assess the carcinogenicity of carbon nanotubes(CNTs), including single-walled(SWCNTs) and multi-walled(MWCNTs), as well as fluoro-edenite and silicon carbide(SiC) fibres and whiskers.
Silicon carbide(SiC) is a semiconductor material that achieves significant energy saving for power devices by reducing power loss to a fraction of the level achievable with conventional silicon(Si)-based devices. SiC-based power devices are used on the transformers of such systems as air conditioners, solar power systems, electric vehicles, and trains today, and a wider range of applications are expected in the future.
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