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    • 8. 发明申请
    • RESIDUAL STRESS MEASURING METHOD AND SYSTEM
    • 残余应力测量方法和系统
    • US20080123079A1
    • 2008-05-29
    • US11935673
    • 2007-11-06
    • Shohei NUMATAAtsushi BabaTetsuya Matsui
    • Shohei NUMATAAtsushi BabaTetsuya Matsui
    • G01L1/24
    • G01L5/0047G01L1/241
    • A residual stress measuring method capable of measuring residual stress of the surface of an object to be inspected rapidly in a non-destructive non-contact manner, as well as a residual stress measuring system having such characteristics and being high in portability, are provided. The residual stress measuring system comprises a heating laser for heating an inspection area of an object to be inspected, a laser interferometer for irradiating the inspection area interferometric with laser light and measuring a deformation quantity within an elastic deformation range upon stress relief by heating in accordance with a laser interferometric method, and a data processor for measuring residual stress from the deformation quantity within the elastic deformation range upon stress relief of the object to be inspected.
    • 提供了能够以非破坏性的非接触方式快速地测量待检查物体的表面的残余应力的残余应力测量方法,以及具有这种特性并且携带性高的残余应力测量系统。 残余应力测量系统包括用于加热被检查物体的检查区域的加热激光器,用于用激光照射干涉检查区域的激光干涉仪,并且根据按照加热的应力消除来测量弹性变形范围内的变形量 采用激光干涉测量方法,以及数据处理器,用于根据待检测物体的应力释放来测量弹性变形范围内的变形量的残余应力。