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

压力容器在制造过程中会产生残余应力,这会对其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。压力容器制造过程中残余应力的3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。通过讨论加深了对压力容器制造过程中残余应力的了解,从而改进设计和制造工艺,最终提高这些关键部件的性能和安全。

Pressure vessels would generate residual stress during the manufacturing process,which would have a significant impact on their safety and performance.The various sources of residual stress in pressure vessel manufacturing and the techniques currently available for measuring these stresses had been explored.The three main sources of residual stress in the manufacturing process of pressure vessels included material processing,welding,and assembly.The techniques used for measuring residual stress were discussed,including X-ray diffraction,neutron diffraction,and drilling methods.Through discussion,our understanding of residual stresses in the manufacturing process of pressure vessels had been deepened,leading to improvements in design and manufacturing processes,ultimately enhancing the safety and performance of these critical components.