Studying the measurement by X-ray diffraction of residual stresses in Ti6Al4V titanium alloy

K. Moussaoui; S. Segonds; W. Rubio; M. Mousseigne

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Studying the measurement by X-ray diffraction of residual stresses in Ti6Al4V titanium alloy

机译：用X射线衍射法测量Ti6Al4V钛合金中残余应力的方法

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A study is conducted into the measurement by X-ray diffraction of residual stresses in Ti6Al4V. This measurement method is now widely used but its possibilities and limits when applied to titanium alloy are poorly defined, especially as far as measurement accuracy and reliability are concerned. Experimental set-ups for tensile and compression stresses were developed. These assemblies and the measuring system were validated on a reference test coupon of 316 L steel. Test campaigns highlighted the difficulties encountered with this method when applied to Ti6Al4V. Repeatability, the influence of the load and the measuring system parameters as also material constants on experimental measurements are explored. Finally, a method to calculate the offset ratio between the stress measured and the theoretical stress is DroDosed.

机译：通过X射线衍射对Ti6Al4V中的残余应力进行测量的研究。这种测量方法现已被广泛使用，但是当应用于钛合金时，其可能性和局限性尚不明确，特别是在测量精度和可靠性方面。开发了拉伸应力和压缩应力的实验装置。这些组件和测量系统均在316 L钢的参考测试试样上进行了验证。测试活动强调了将这种方法应用于Ti6Al4V时遇到的困难。探索了重复性，负载和测量系统参数以及材料常数对实验测量的影响。最后，一种计算测得的应力与理论应力之间的偏移比的方法是DroDosed。

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来源
《Materials Science and Engineering》 |2016年第14期|340-348|共9页
作者
K. Moussaoui; S. Segonds; W. Rubio; M. Mousseigne;
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作者单位

Institut Clement Ader, Universite Toulouse 3 - Paul Sabatier, 3 rue Caroline Aigle, 31400 Toulouse, France;

Institut Clement Ader, Universite Toulouse 3 - Paul Sabatier, 3 rue Caroline Aigle, 31400 Toulouse, France;

Institut Clement Ader, Universite Toulouse 3 - Paul Sabatier, 3 rue Caroline Aigle, 31400 Toulouse, France;

Institut Clement Ader, Universite Toulouse 3 - Paul Sabatier, 3 rue Caroline Aigle, 31400 Toulouse, France;

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正文语种 eng
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关键词
Residual stresses; Ti6Al4V; Uncertainty; XRD method; Confidence interval;

机译：残余应力;Ti6Al4V;不确定;XRD法;置信区间;

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Studying the measurement by X-ray diffraction of residual stresses in Ti6Al4V titanium alloy

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