It can be concluded that the diameter of the tubesheet has little influence on the contact pressure and the residual contact pressure. 得出液压胀接时管板外径对胀管的接触压力和残余接触压力影响不大等结论。
More detailed thermographic testing on an annual basis is required to ensure that contact pressure does not deteriorate over time. 更详细的温度测试,每年需要,以确保接触压力并不恶化一段时间。