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1977年6月12日到15日在江苏省常州市,召开了第一次金属超塑性技术座谈会。29个单位的65名代表参加了会议。会上交流了省力和精密的加工方法——超塑性成形的研究工作所取得的成绩。八个发言介绍了锌铝合金(ZnAl_22)、GH901高温合金、Tc4钛合金和GCr15滚珠轴承钢等四种材料的金属超塑性和压力成形等方面的问题。并进行了锌铝合金超塑性压力成形的表演。同时探讨了今后几年工作的方向。
June 12, 1977 to 15 in Changzhou, Jiangsu Province, held the first metal superplasticity technology forum. 65 delegates from 29 units attended the meeting. The exchange of labor-saving and sophisticated processing methods - superplastic forming research achievements. The eight presentations addressed the issues of metal superplasticity and pressure forming of four materials, zinc-aluminum alloy (ZnAl_22), GH901 superalloy, Tc4 titanium alloy and GCr15 ball bearing steel. And a zinc-aluminum alloy superplastic pressure forming performance. Also explored the direction of work in the next few years.