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对引起金属胶接接头内应力的因素进行了分析,指出胶粘剂的受拘束收缩及受热时胶层内的塑性压缩应变发生是导致接头中出现拉伸内应力的主要原因。文中提出了消除或减轻金属胶接接头拉伸内应力的有效工艺措施。
The factors that cause the stress in the metal joint are analyzed. It is pointed out that the constrained shrinkage of the adhesive and the plastic compressive strain in the rubber layer when the adhesive is heated are the main reasons that lead to the tensile internal stress in the joint. In this paper, effective measures to eliminate or reduce the internal stress of metal adhesive joints are proposed.