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发明名称
无污染沸腾盐浴渗碳和氰化
摘要
本发明属金属热处理技术,是用化学热处理方法在钢件表面进行液体渗碳和碳氮二元共渗的无污染新工艺,本发明是在卤化盐中混入5~60%(重量比)的特效发泡剂—碳酸盐和氰酸盐,并用(C<SUB>6</SUB>H<SUB>3</SUB>N<SUB>9</SUB>)<SUB>n</SUB>作再生剂。在渗碳或氰化温度条件下,发泡剂可持续产生活性氮原子和一氧化碳气泡,盐浴呈沸腾态。添加再生剂可维持盐浴活性。本发明工艺具有无污染、渗速快、渗层碳氮含量高、工艺稳定、操作简易、经济效益高和易于工业推广等优点。
申请公布号
CN1038845A
申请公布日期
1990.01.17
申请号
CN88103739.7
申请日期
1988.06.24
申请人
天津纺织工学院
发明人
文联煜;杨连珠
分类号
C23C8/56
主分类号
C23C8/56
代理机构
代理人
主权项
1、本发明是在卤化盐中混入5~60%(重量百分比)的特效发泡剂-碳酸盐和氰酸盐,而形成的无污染沸腾盐浴渗碳和氰化工艺。
地址
天津市河东区程林庄路63号
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