较低的温度相当于某些煤的塑性温度.The lower temperature corresponds to the plastic temperature of a certain coal.塑性形变和蠕变是很不利的, 回弹性则是有利的.Plastic deformation and creep are highly undesirable, resilience is favourable.在大塑性区内材料已经硬化.The mater...
The criterion is helpful for rational alloying of maraging steels with lower Ni and Co contents.这些为马氏体时效钢降镍钴和合理的合金化提供有益的看法.A new type of maraging steel metal powder cored wire for die TIG surfacing is developed.研制了一种用于TI...