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多相Rietveld分析法研究锆基伪二元储氢合金ZrM2(M=Ni,Mn,Cr,V)的…
引用本文:吕光烈,刘顺洪,陈林深,吴红丽,雷永泉,于进云,杨晓光,王启东.多相Rietveld分析法研究锆基伪二元储氢合金ZrM2(M=Ni,Mn,Cr,V)的…[J].金属学报,1996,32(7):779-784.
作者姓名:吕光烈  刘顺洪  陈林深  吴红丽  雷永泉  于进云  杨晓光  王启东
作者单位:杭州大学,浙江大学
基金项目:浙江省自然科学基金;;国家863计划项目
摘    要:多相Rietveld分析发现,伪二元ZrM_2(M=Ni_(1.30),Mn_(0.60),Cr_(0.25),V_(0.05))合金由C14,C15AB_2型Laves相和Zr_7M_(10),Zr_9M_(11),ZrN组成,各相丰度顺序为ZrM_2(C15)>Zr_7M_(10)>ZrM_2(C14)>Zr_9M_(11)>ZrN.主相C15型ZrM_2的A位存在非化学计量缺位.Zr_7M_(10),Zr_9M_(11)与Zr_7Ni_(10),Zr_9Ni_(11)是同晶型结构的金属间化合物.

关 键 词:Laves相  储氢合金  相结构  多相Rietveld
收稿时间:1996-07-18
修稿时间:1996-07-18

PHASE COMPOSITION STUDY FOR ZIRCONIUM-BASED PSEUDOBINARY ZrM_2(M=Ni,Mn,Cr,V)
L Guanglie,LIU Shunhong,CHEN Linshen,WU Hongli ,LEI Yongquan,YU Jinyun,YANG Xiaoguang,WANG Qidong.PHASE COMPOSITION STUDY FOR ZIRCONIUM-BASED PSEUDOBINARY ZrM_2(M=Ni,Mn,Cr,V)[J].Acta Metallurgica Sinica,1996,32(7):779-784.
Authors:L Guanglie  LIU Shunhong  CHEN Linshen  WU Hongli  LEI Yongquan  YU Jinyun  YANG Xiaoguang  WANG Qidong
Abstract:Phase composition of pseudobinary ZrM_2 alloy (M= Ni_(1.3), Mn_(0.6), Cr_(0.25), V_(0.05)) has been revealed by means of multiphase Rietveld analysis. It is consisted of C14, C15 Laves phase, ZrN, Zr_7M_(10) and Zr_9M_(11) intermediate phase. The abundance order of phases is following. ZrM2(C15)>Zr_7M_(10)> ZrM_2(C14)>Zr_9M_(11)>ZrN. Nonstoichiometry defects existing in A sites of C15 Laves phase were also discovered. The crystal types of Zr_7M_(10) and Zr_9M_(11) are the same with that of Zr_7Ni_(10) and Zr_9Ni_(11) respectively.Correspondent: L Guanglie, Institute of Material Structure, Hangzhuo University, Hangzhuo 310028
Keywords:Laves phase hydrogen storage alloy  phase composition  multiphase Rietveld analysis
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