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首页> 外文会议>International Conference on Stress Evaluation Using Neutrons and Synchrotron Radiation; 20070924-26; Vienna(AT) >SXRD measurements of residual stresses in sintered diamond-cobalt composites
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SXRD measurements of residual stresses in sintered diamond-cobalt composites

机译：SXRD测量烧结金刚石-钴复合材料中的残余应力

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Diamond-cobalt composites are used for cutting tools. Residual stress after manufacture can reduce the lifetime of such composite cutting tools and, hence, the stress state needs to be well understood. Within this study, stress measurements on a cobalt diamond composite were made by SXRD to deduce stress states in the cobalt matrix using the (222) reflection. The application of different apertures allowed the investigation of stress in small areas of cobalt surrounding a diamond and in areas at different distances to a diamond. In the areas adjacent to the diamond increased residual stresses were found in the cobalt matrix. Furthermore, approximations for radial and tangential residual stresses have been derived which show to be different.
机译：金刚石-钴复合材料用于切削工具。制造后的残余应力会缩短此类复合切削工具的使用寿命，因此，需要充分了解应力状态。在这项研究中，通过SXRD对钴金刚石复合材料进行了应力测量，以利用（222）反射推论出钴基体中的应力状态。通过使用不同的孔，可以研究围绕钻石的钴的小区域以及与钻石不同距离的区域中的应力。在与钻石相邻的区域中，钴基体中发现了增加的残余应力。此外，已经推导出径向和切向残余应力的近似值，这些近似值显示出不同。

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