The residual stress measurement of roller is very difficult because that the roller has gigantic volume, the surface is out of order and especially there are oxide film and microcrack.

• 摘要轧辊体积大且辊面状态又不好，尤其是热轧辊的表面常有氧化膜和微裂纹，在测量时又不能损伤轧辊表面，因此，轧辊残余应力的测量较困难。