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Mo-Nb合金單晶晶向測定和表征
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Measurement and Evaluation of Orientation for Mo-Nb Alloy Single Crystal
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    摘要:

    采用一種金相和RO-XRD相結(jié)合的方法，快速、準(zhǔn)確地測定Mo-Nb合金單晶的晶向，并對晶向品質(zhì)做出精確的表征。所測Mo合金單晶，其(111)晶面衍射角的測試值與計算值基本一致，其晶向偏離角分別為0.73o和0.91o，與電子背散射衍射法測試的結(jié)果一致，晶向分散度僅為1o左右

    Abstract:

    A method combining optical metallograph with rotating orientation X-ray diffraction was applied for the measurement and evaluation of orientation for molybdenum-niobium alloy single crystal quickly and accurately. The diffraction angle of (111) orientation plane measured by this method almost accords with the calculated value. The disorientation angles of the samples are 0.73 o and 0.91o, respectively, which are consistent with the results measured by EBSD. The degree of scatter in the preferred orientation is about 1o

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胡忠武,李中奎,郭林江,殷 濤,郭振祺. Mo-Nb合金單晶晶向測定和表征[J].稀有金屬材料與工程,2011,40(11):2006~2009.[Hu Zhongwu, Li Zhongkui, Guo Linjiang, Yin Tao, Guo Zhenqi. Measurement and Evaluation of Orientation for Mo-Nb Alloy Single Crystal[J]. Rare Metal Materials and Engineering,2011,40(11):2006~2009.]
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  • 收稿日期:2011-03-21
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