| 无损残余应力测量及其新技术 |
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| 引用本文： | 罗健豪.无损残余应力测量及其新技术[J].力学与实践,2003,25(4):7-11,6. |
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| 作者姓名： | 罗健豪 |
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| 作者单位： | 澳门大学科技学院机电工程系,中国,澳门 |
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| 摘 要： | 简述及比较了主要的残余应力无损测量技术，重点为磁力法，并介绍一台新的磁力仪MAPS，且对MAPS及传统磁力仪作了比较，同时以X射线及中子衍射得到的结果验证了MAPS的可靠性，也介绍了文献上较少见的火车钢轨残余应力分布图。
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| 关 键 词： | 磁力法 有效方向磁导率 X射线 中子衍射 残余应力 无损测量 MAPS 磁力仪 材料检测 |
Non-destructive evaluation of residual stress |
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| LO Kin Ho.Non-destructive evaluation of residual stress[J].Mechanics and Engineering,2003,25(4):7-11,6. |
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| Authors: | LO Kin Ho |
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| Abstract: | This paper introduces and compares the most widely used techniques in the non-destructive evaluation of residual stress. The emphasis is on magnetic methods. This paper also introduces a new residual stress measuring kit, MAPS, which is compared with other conventional devices. Since researchers in the mainland are also making a similar device, this paper will be of value to them. This paper also compares the results obtained from MAPS, neutron diffraction, and X-ray. |
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| Keywords: | magnetic measurement of stress directional effective permeability stress-induced magnetic anisotropy neutron diffraction X-ray ultrasound Barkhausen emission MAPS |
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