| Ti-Mo-Zr-Fe合金的微观结构与纳米压入特性的关系 |
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| 引用本文： | 黄利军,黄旭,曹春晓.Ti-Mo-Zr-Fe合金的微观结构与纳米压入特性的关系[J].稀有金属材料与工程,2007,36(5):782-785. |
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| 作者姓名： | 黄利军 黄旭 曹春晓 |
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| 作者单位： | 北京航空材料研究院,北京,100095 |
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| 摘 要： | 通过不同的热处理制度控制TMZF合金中的相组成和含量，利用XRD分析确定各种相结构。利用纳米压入测量仪测试了不同组织结构下的硬度和弹性模量。结果表明，当合金中存在ω相时，合金的的硬度和弹性模量最高，随着热处理温度的提高，合金中的ω相消失，代之而来的是α相，而且越接近β转变温度，α相含量越少，对应的弹性模量和硬度越来越低。对于Ti—Mo—Zr-Fe合金来说压入性能（硬度、弹性模量）与相成分之间存在着良好的匹配关系。
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| 关 键 词： | 钛合金 力学性能 纳米压入 硬度 弹性模量 |
| 文章编号： | 1002-185X(2007)05-0782-04 |
| 修稿时间： | 2006-08-21 |
Relationship between Nano-lndentation Properties and Microstructures of Ti-Mo-Zr-Fe Alloy |
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| Huang Lijun,Huang Xu,Cao Chunxiao.Relationship between Nano-lndentation Properties and Microstructures of Ti-Mo-Zr-Fe Alloy[J].Rare Metal Materials and Engineering,2007,36(5):782-785. |
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| Authors: | Huang Lijun Huang Xu Cao Chunxiao |
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| Affiliation: | Beijing Institute of Aeronautical Materials, Beijing 100095, China |
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| Abstract: | Microstructures of Ti-Mo-Zr-Fe alloy with different heat treatments were examined using metallurgical analysis and X-ray diffraction(XRD)analysis.The hardness and elastic modulus of the alloy were investigated by means ofnano-indentation technology.In the condition of the ω precipitating from β matrix,the hardness and elastic modulus exhibit maximum values.With increasing of heat treatment temperature,the fraction of ω phase decreases and a phase precipitates,which cause the hardness and elastic modulus decrease.When annealing temperature is close to β transition point,the hardness and elastic modulus presents minimum values.There exists good match between nano-indentation properties(hardness and modulus)and phase composition for Ti-Mo-Zr-Fe alloy. |
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| Keywords: | Ti-Mo-Zr-Fe titanium alloys Ti-Mo-Zr-Fe mechanical properties nano-indentation hardness elastic modulus |
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