非晶态Fe_(80)B_(20)合金晶化产物研究

金属学报, 1994, 30(19): 304-308.

非晶态Fe_(80)B_(20)合金晶化产物研究

董振富 , 卢柯 , 魏文铎 , 丁炳哲

中国科学院金属研究所快速凝固非平衡合金国家重点实验室

基金项目: 国家自然科学基金

关键词：非晶态合金 , α-Fe(B) solid solution , Fe-B compound

CRYSTALLIZATION PRODUCTS OF AMORPHOUS Fe_(80)B_(20) ALLOY

DONG Zhenfu , LU Ke , WEI Wenduo , DING Bingzhe (Stale Key Laboratory of Rapidly Solidified and Non-Equilibrium Alloys

Keywords： :amorphous alloy , α－Ｆｅ（Ｂ）固溶体 , Ｆｅ－Ｂ化合物

利用Ｘ射线衍射及透射电子显微镜等手段研究了非晶态Ｆｅ_（８０）Ｂ_（２０）合金的晶化产物结构与热处理温度的关系，发现在不同退火温度下晶化产物均由α－Ｆｅ（Ｂ）固溶体和Ｆｅ－Ｂ化合物组成；α－Ｆｅ（Ｂ）固溶体的相对含量随退火温度的升高而增多；化合物有Ｆｅ_３Ｂ和Ｆｅ_（３．５）Ｂ两种，它们的相对含量与退火温度密切相关且表现出不同程度的晶格畸变．

By use of XRD and TEM, structure of the crystalliztion products of amorphous Fe_(80)B_(20)alloy with different regimes of heat treatment was studied. The crystallization products are composed of α-Fe(B) solution and Fe-B compound. The relative quantity of the α- Fe solid solution phase increases with the annealing temperature. The compound phases, Fe_3B and Fe_(3.5)B, change in relative quantity also with heat treatment. The lattice distortion of the crystallization products was detected.

参考文献

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[4]	GreerAL．ActaMetall,1982

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