The effect of 2% Fe addition on the microstructure and mechanical properties of Ti-25V-15Cr-2Al-0.2C alloy(mass fraction)was studied.It is found that the additi
Based on the difference of microscopic properties between MoS24- and WO24- , a series of new reagents,CuS, NiS, CoS, PbS, HgS, as well as ZnS, were developed fo