A new kind of steel bonded tungsten carbide was made by means of electroslag melting and casting,taking waste powder metallurgy steel bonded carbides for raw material.

 
  • 介绍了用废弃的粉末冶金碳化钨基钢结合金作原料,采用电冶熔铸工艺制备出新型的电冶碳化钨基钢结合金,并将其用在冷拔轧螺纹钢丝轧辊上。
今日热词
目录 附录 查词历史