浅谈压力容器制造过程中产生的残余应力及其测量

Discussion on Residual Stress Generated during the Manufacturing Process of Pressure Vessels and its Measurement

压力容器的制造过程会产生残余应力,这会对这些部件的安全和性能产生重大影响。探讨了压力容器制造中残余应力的各种来源以及目前可用于测量这些应力的技术。压力容器制造中残余应力的三个主要来源包括材料加工、焊接和装配。讨论了用于测量残余应力的技术包括X射线衍射法、中子衍射法和钻孔法。通过讨论加深对压力容器制造过程中残余应力的了解,可以改进设计和制造工艺,最终提高这些关键部件的安全性和性能。

The manufacturing process of pressure vessels would generate residual stress,which would have a significant impact on the safety and performance of these components.The various sources of residual stress in pressure vessel manufacturing and the current techniques available for measuring these stresses had been explored.The three main sources of residual stress in pressure vessel manufacturing included material processing,welding,and assembly.The techniques used to measure residual stress,including X-ray diffraction,neutron diffraction,and drilling,had been discussed.By discussing and deepening the understanding of residual stresses in the manufacturing process of pressure vessels,design and manufacturing processes could be improved,ultimately improving the safety and performance of these key components.