In the engineering field, bolts and nuts are common connecting elements used to fix and connect various mechanical components. As a special seal, graphite bolts and nuts are made of graphite materi...
Carbon-carbon composites are a type of carbon fiber composites, with carbon fiber as the reinforcement material and deposited carbon as the matrix material. The matrix of C/C composites is carbon. ...
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 ...
Atmospheric pressure sintered silicon carbide is no longer just used as an abrasive, but more as a new material, and is widely used in high-tech products, such as ceramics made of silicon carbide m...
At present, many countries around all aspects of the new hydrogen research is in full swing, technical difficulties in stepping up to overcome. With the continuous expansion of the scale of hydroge...