The effect of 6H-SiC crystal growth shapes on the thermo-elastic stress distribution in the growing crystal was systematically investigated by using a finite el
Sm3+-activated Ca2SiO4 red phosphors were prepared by the conventional high-temperature solid-state reaction method,and the effects of sodium (Na+) and samarium
The fatigue strength of a high V alloyed powder metallurgy tool steel with two different inclusion size levels,tempered at different temperatures,was investigat
A low-alloy gray cast iron containing hard carbide-forming elements,such as vanadium and chromium,was cast by sand mould casting.Its wear resistance was compare
The exploration of undersea resources becomes popular as land resources decrease.Researches were conducted with emphasis on the safety and efficiency of underse