吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (5): 1331-1338.doi: 10.13229/j.cnki.jdxbgxb20170629
那景新, 浦磊鑫, 范以撒, 沈传亮
NA Jing-xin, PU Lei-xin, FAN Yi-sa, SHEN Chuan-liang
摘要: 为了研究湿热环境对车辆上粘接结构机械性能的影响,本文选取4个温度点和5个湿度点进行组合,对单搭接接头进行了试验测试。通过对试验数据进行统计分析,获得了接头平均失效强度随温度和湿度的变化规律。利用响应面分析判断湿热环境对接头失效强度影响的显著性,并获得了环境因素对试验结果影响的合理数学模型。研究结果表明:接头平均失效强度在一定湿度水平下随温度增加呈指数衰减,在一定温度水平下随着湿度增加呈二次多项式衰减,且温度对接头平均失效强度的影响更加显著。
中图分类号:
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