镍基高温合金定向结晶叶片的X射线残余应力测定
Measurement of Residual Stress in Turbine Blade of Nickel Base Directionally Solidified Superalloy
摘 要
利用LXRD应力分析仪对镍基高温合金定向结晶叶片进行了应力测定。测定应力过程中不需要事先精确知道d0, 只需改变空间方位角χ和φ, 测量同一晶面族的不同晶面的晶面间距, 计算得出试样的残余应力, 从而消除了传统应变测定方法中无应变状态下晶面间距不准确对结果所带来的影响, 精简了应力测定步骤, 可满足工程实际应用需要。
定向结晶
X射线衍射
残余应力
superalloy
directionally solidified
X-ray diffraction
residual stress
Abstract
The stress states of turbine blade of nickel base directionally solidified superalloy were measured by LXRD. The exact value of d0 was not necessary in the process of stress measuring. It could be applied in the practical engineering that the stress were solved through measuring crystal plane spacing of different crystal planes which belonged to same crystal plane fancily by simply changing space azimuth angle χ and φ, which not only eliminated the effect of the inaccuracy of crystal spacing with no stress loaded in traditional measuring method, but also simplified the measurement steps.
中图分类号 TG115.22+2.2
所属栏目 试验与研究
基金项目
收稿日期 2013/4/10
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备注李兴东(1981-), 男, 工程师。
引用该论文: LI Xing-dong,ZHOU Yu-hua,ZHAO Long-fei,WANG Mei-ying,HOU Shi-pu. Measurement of Residual Stress in Turbine Blade of Nickel Base Directionally Solidified Superalloy[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2013, 49(7): 419～421
李兴东,周玉华,赵龙飞,王梅英,侯世璞. 镍基高温合金定向结晶叶片的X射线残余应力测定[J]. 理化检验－物理分册, 2013, 49(7): 419～421
被引情况:
【1】刘柏清,王新华,陈冬青,邓贤远, "Q345钢对接焊缝的残余应力测试",理化检验－物理分册 51, 769-771(2015)
【2】刘竞艳,李鹏,苗壮,田弋纬, "两种测定难熔单晶晶面偏离角方法的对比",理化检验－物理分册 52, 17-20(2016)
【3】张庆云,张杰,陆业航,李众城, "全因子试验设计在X射线衍射法测试高应力标样残余应力值中的应用",理化检验－物理分册 51, 470-473(2015)
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参考文献
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【3】王颖,胡小军,张荣,等.X射线衍射法测试轧板表面残余应力[J].理化检验-物理分册,2012,48(5): 302-309.
【4】于利根.择优取向对X射线应力测试的影响[J].金属学报,1998,34(6):667-672.
【5】DICKEY E C, PDRAVID V P, HUBBARD C R. Interlamellar residual stresses in single grain of NiO-ZrO2(cubic) directionally solidified eutectics[J].J Am Cerarn Soc,1997,820(11):2773-2780.
【6】YOSHIIKE T, FUJJI N, KOZAKI S. An X-ray stress measurement method for very small areas on single crystals[J].J Appl Phys,1997,36(9A):5764-5771.
【7】张俊,王苏程,吴而冬.X射线衍射法测定加载条件下镍基单晶高温合金的表层应力状态[J].金属学报,2007,43(11):1161-1165.
【8】张俊.DZ125高温合金残余应力的衍射测试与分析[D].北京: 中国科学院研究生院,2007.
【9】HIROSHI S UZUKI, KOICHI AKIT, HIROSHI MISAWA. X-ray stress measurement method for single crystal with unknown stress-free lattice parameter[J].Jpn J Appl Phys,2003,42:2876-2880.
【10】ICHITSUBO T, KOUMOTO D, HIRAO M, et al. Elastic anisotropy of rafted Ni-base superalloy at high temperatures[J].Acta Mater,2003,51:4863.
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