The new generation hydro-cracking and hydro-desulfurization reactors are usually made of the 2.25Cr-1Mo-0.25V steel.After austenization at 940℃ of the hot-
A novel hybrid Cu matrix composites reinforced by graphite particle (Gr) with volume fraction of 5-15% and nano-SiC particle (nano-SiCp) of 3% has been prep