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发明名称
聚晶金刚石复合片焊前处理方法
摘要
本发明公开了一种聚晶金刚石复合片(PDC片)和硬质合金的焊前处理方法,其特征是能在PDC片或硬质合金表面烧渗一层Ni-Co-Pd合金层,能填充其表面裂纹等缺陷,能防止硬质合金脱Co,具有良好一致的润湿性。钎缝稳定抗剪强度为230270MPa,最高可达320MPa。
申请公布号
CN1034157A
申请公布日期
1989.07.26
申请号
CN88108188.4
申请日期
1988.11.27
申请人
西安石油学院
发明人
张超
分类号
B23P5/00;C23C10/26
主分类号
B23P5/00
代理机构
代理人
主权项
1、一种聚晶金刚石复合片(PDC片)和硬质合金的焊前表面处理方法,其特征是将聚晶金刚石复合片或硬质合金投入含有Ni、Co、Pd离子的融熔状熔盐组合物中,经原子置换和扩散过程在其表面烧渗生成Ni-Co-Pd合金层。
地址
陕西省西安市陵园路南段
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