The direct reduction of galena with hydrogen at 873—973 K could be described by the shrink-ing core model in the chemically controlled region.The reaction was
The expressions of the dependence of nitrogen solubility in molten gray cast iron on the temperatureand composition of the melt were proposed under the conditio
With the increase of Y content in the Fe-20Cr-4AI-Y alloy,the uniform deformability oftensile specimens was found to be slightly decreased,as well as,the fractu
The relation between grain size and strength of the duplex stainless steels and influence ofgrain size on properties of hydrogen induced cracking in these steel
The thermodynamic properties of Cu-Ce-S and Cu-Y-S liquid solutions were studied bythe chemical equilibrium technique at 1200℃. The equilibrium constants and t