韦伯斯特（Webster）词典给应力下的定义是“使一物体导致应变或变形的力系”。这种否定性的涵义对热处理人员提出了应力应该消除，并且越快越好。应力无疑会导致有害的变形、裂纹，缩短使用寿命或促使腐蚀元素的腐蚀。然而，在正确的场合下，正常状态和足够大小的应力对许多金 Webster’s definition of stress under stress is “a system of forces that causes an object to strain or deform.” The negative implications for heat-treating personnel should be eliminated and the sooner the better. Stress will undoubtedly lead to harmful deformation, cracks, shorten the service life or promote the corrosion of corrosion elements. However, on the right occasion, the normal state and a sufficient amount of stress on many gold