When silicon carbide crystal grows, the “environment” of the growth interface between the axial center of the crystal and the edge is different, so that the crystal stress on the edge i...
Silicon carbide coating technology is a method of forming silicon carbide layer on the surface of materials, usually using chemical vapor deposition, physicochemical vapor deposition, melt impregna...
As a kind of power generation device that converts chemical energy in hydrogen and oxidant into electricity, the gas tightness of fuel cell stack is very important. This is the test of VET for the ...
Properties of graphite bearings
1. Good chemical stability
Graphite is a chemically stable material, and its chemical stability is not inferior to that of precious metals. Its solubility in molten...
In a certain packaging process, packaging materials with different thermal expansion coefficients are used. During the packaging process, the wafer is placed on the packaging substrate, and then he...