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jimjmg

铜虫 (初入文坛)

[交流] 【求助】求如何用XRD线形傅氏分析温变形后的材料位错密度? 已有1人参与

我要研究高强钢在温变形后材料的位错密度。因此想到用XRD线形傅氏分析材料位错密度。但是小弟对此所知太浅,望哪位大哥指明下。比如测定步骤,所用到的仪器。注意事项什么的。有相关资料的给小弟一份啊。重金谢谢,万分感谢。邮箱jimjmg@126.com。
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guozhenxi

银虫 (正式写手)

这些文献看不懂,求高手细细讲一下
精通的目的全在于应用!
3楼2012-03-20 19:16:54
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xujun16

银虫 (著名写手)

你好!
没有做过这方面,但看了些资料:
可以参阅:
1.J. Appl. Cryst. (1998). 31, 363-368    [ doi:10.1107/S0021889897012181 ]
   Modelling Dislocation-Induced Anisotropic Line Broadening in Rietveld Refinements Using a Voigt Function. II. Application to Neutron Powder  Diffraction Data
E. Wu, E. H. Kisi and E. MacA. Gray
2.
Anisotropic diffraction peak broadening and dislocation substructure in hydrogen-cycled LaNi5 and substitutional derivatives. Erratum
R. Cerný, J.-M. Joubert, M. Latroche, A. Percheron-Guégan and K. Yvon
Abstract: An erroneous equation and some consequently underestimated values of dislocation densities in the paper by Cerný et al. [J. Appl. Cryst. (2000), 33, 997-1005] are corrected.
可供参考!
2楼2010-10-20 16:41:04
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