黄少东,许彪,刘川林,等.冷径向精锻钛合金管残余应力测试[J].精密成形工程,2011,3(6):85-87.
HUANG Shao-dong,XU Biao,LIU Chuan-lin,et al.Measurement of Residual Stress to Titanium Alloy Tube Made by Cold Radial Forging[J].Journal of Netshape Forming Engineering,2011,3(6):85-87. |
| 冷径向精锻钛合金管残余应力测试 |
| Measurement of Residual Stress to Titanium Alloy Tube Made by Cold Radial Forging |
| 投稿时间：2011-10-10 修订日期：2011-11-10 |
| DOI： |
| 中文关键词: 钛合金管 冷径向精锻 残余应力 测试 X射线衍射 剥层法 |
| 英文关键词: titanium alloy tube cold radial forging residual stress measurement X-ray diffraction layer removal technique |
| 基金项目:总装预研项目（41318.4.2.2） |
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| 中文摘要: |
| 介绍了用X射线衍射法与剥层法对小口径钛合金(Ti6Al4V)管开展的残余应力测试研究，用冷径向精锻制备的钛合金管锻件内径为20 mm ，外径为 40 mm，将外径机加至25, 24, 23 mm，分别测试40, 25, 24, 23 mm外表面的轴向、周向残余应力，结果表明：40 mm外表面的残余应力主要是拉应力，其他直径外表面的残余应力为压应力，研究对该类产品的工艺与产品设计具有重要参考价值。 |
| 英文摘要: |
| Titanium alloy has large resistance to cold plastic deformation. Residual stress will emerge after cold deformation. The paper introduces the investigation of measurement of residual stress for titanium alloy(Ti6Al4V) tube with small caliber by X-ray diffraction and layer removal technique. The titanium alloy tube made by cold radial forging with inner diameter 20 mm and external diameter 40 mm was machined to 25,24,23 mm for external diameter. The axial and circumferencial residual stresses on the external surface were measured to 40,25,24,23mm for external diameter separately. The results show that the residual stresses on the 40 mm are mainly tensile stresses, the residual stresses on the other diameters are compressive stresses. The results provide a valuable insight into the process and provide a useful tool for better design of this kind of process and product. |
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