The selection of chemical composition of ferrite nodular iron used under low temperature,the control plan of nodularization,inoculation technology and heat treatment technique were studied.
英
美
- 研究了低温用铁素体球铁化学成分的选择、球化及孕育工艺的控制以及热处理方案的制定原则,从而确定了低温用铁素体球铁的合理生产方案。