环氧树脂钢铅钢粘接工艺优化程度评价方法.pdfVIP

第l5卷 第6期 材 料 科 学 与 工 艺 Vo1．15 Nn 6 2 0 0 7年l2月 MATERIALS SCIENCETECHNOL0GY Dec．，2007 环氧树脂钢铅钢粘接工艺优化程度评价方法 杨 强，袁明康，李明珍，田志军 (中国工程物理研究院机械制造工艺研究所，四川绵阳621900，E-mail：yangqiang817@hotmail．eom) 摘 要：为了改善环氧树脂钢一铅一钢粘接件的粘接可靠性，提高粘接性能，采取一套比较全面的综合评判 方法，从粘接强度及其离散性、粘接的胶层粘附率、粘接断面的微观形貌及其表面分析五个角度的综合分析、 评价钢一铅一钢环氧树脂粘接件的粘接工艺的优化程度．通过对粘接面的表面处理来改进粘接工艺，将试样 的平均粘接强度从原来的4．2 MPa提高到10．9 MPa，同时强度离散性参数从19％下降到3．3％，总体胶层粘 附率参数从50％提高到76％～97％，微观形貌下表面粗糙度有所改善，表面分析表明铅合金与环氧树脂胶 层结合较为紧密．综合评判方法验证了改进后的粘接工艺具有较高的优化程度，该评价方法对评价粘接工艺 是否优化具有较好的效果． 关键词：环氧树脂；钢铅钢粘接件；粘接工艺；优化程度；评价方法 中图分类号：TG494．7 文献标识码：A 文章编号：1005—0299(2007)O6—0839—05 The optimum degree evaluation method for the adhesion technology of epoxy resin steel--lead--steel bonded parts YANG Qiang，YUAN Ming—kang，LI Ming-zhen，TIAN Zhi-jun (Institute of Machinery Manufacturing Technology，CAEP，Mianyang 621900，China， E-mail：yangqiang817@hotmail．eom) Abstract：The method to evaluate the optimum degree of adhesion technology by means of the adhesion strength，strength dispersity and interfacial adhesion rate of the epoxy resin—steel—lead—steel bonded parts is studied．The surface process of the adhesion surface was used to improve the adhesion technology．Results showed that the mean adhesion strength was raised from original 4．2 MPa to 10．9 MPa．while the strength dis- persity parameter was reduced from 19％ to 3．3％．and the overall interfacial adhesion rate is raised from 50％ to 76％ ～97％．The results verified that the improved adhesion technology has a much higher optimum degree．which can improve the adhesion reliability． I11e Experiment proves that this evaluation method is effective． Key words：epoxy resin：steel—lead—steel bonded pa~s；adhesion technology 9·optimum degree。9 evaluation method 铅是一种难粘接金属，而环氧树脂钢一铅一