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通过人工控制施工区域湿度的方法,来研究FM73M胶膜和BR127底胶在相对湿度达到70%情况下的强度表现,并在此环境下将胶膜暴露不同的时间来观察暴露时间对胶接性能的影响。对胶接测试试样进行滚筒剥离、拉伸搭接剪切和楔形抗裂纹扩展测试,结果表明,所有试样的测试结果均符合工艺规范的要求。将操作间的相对湿度上限提升至70%时,FM73M胶膜和BR127胶黏剂所提供的胶接强度依然能够满足工艺规范的要求,与此同时,将相关工艺规范中的湿度要求予以更改。
Through the manual control of the construction area humidity to study the FM73M film and BR127 under the end of plastic in the relative humidity reached 70% of the intensity performance, and in this environment will be exposed to the film at different times to observe the exposure time on the bonding performance Impact. The results of roller peel test, tensile lap shear test and wedge anti-crack test show that the test results of all samples are in accordance with the requirements of the process specification. When the upper limit of relative humidity in the operation room is raised to 70%, the bonding strength provided by FM73M film and BR127 adhesive can still meet the requirements of the process specification while changing the humidity requirement in the relevant process specification.