本文对搭接长度分别为15mm,20mm,23mm,37ram,60mm的Z-pins增强陶瓷基复合材料接头在单向载荷作用下的连接性能进行了试验研究和数值模拟.试验结果表明接头的最终失效形式有两种:(1)搭接长度大于、等于20mm的接头由搭接板断裂而失效;(2)搭接长度等于15mm的接头由搭接面的脱胶而失效.在搭接长度为20mm~60mm之间,接头的最大破坏载荷与搭接长度之间呈线性关系变化.采用有限元的方法对搭接接头的破坏过程进行了数值模拟,模拟结果与试验结果吻合较好,进而得到了介于上述两种破坏模式之间的搭接接头的搭接长度.
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