| THE PROCESS AND MECHANISM OF TiAl－BASED ALLOY SYNTHESIZED FROM Ti AND AlP OWDERS |
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| 作者姓名： | XionAx Xiany Huang Baiyun |
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| 作者单位： | Powder Metallurgy Research Instituie. Central South University of Technology，Changsha，110083，China |
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| 摘 要： | ＴＨＥＰＲＯＣＥＳＳＡＮＤＭＥＣＨＡＮＩＳＭＯＦＴｉＡｌ－ＢＡＳＥＤＡＬＬＯＹＳＹＮＴＨＥＳＩＺＥＤＦＲＯＭＴｉＡＮＤＡｌＰＯＷＤＥＲＳＸｉｏｎＡｘＸｉａｎｙ；ＨｕａｎｇＢａｉｙｕｎ（ＰｏｗｄｅｒＭｅｔａｌｌｕｒｇｙＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｉｅ...
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| 收稿时间： | 20 March 1995 |
The process and mechanism of TiAl-Based alloy synthesized from Ti and Al powders |
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| XionAx Xiany,Huang Baiyun.The process and mechanism of TiAl-Based alloy synthesized from Ti and Al powders[J].Journal of Central South University of Technology,1995,2(2):8-11. |
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| Authors: | Xiang Xiong and Baiyun Huang |
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| Affiliation: | (1) Powder Metallurgy Research Institute, Central South University of Technology, 410083 Changsha, China |
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| Abstract: | The microstructures and elemental distribution of dense TiAl based alloy products produced by reactive-hot-pressing 1 : 1
Ti-Al blend powder were observed and analysed with scanning electron microscope (SEM). The four solid-state phases TiAl3, TiAl, Ti3Al andα-Ti were first formed in the original Ti particles through the reaction of Ti and Al according to the elemental distribution
and their respective composition ranges. Then, the synthetic reactions continued among the four formed solid-state phases.
With the diffusion and homogenization of elements, the formed TiAl3 andα-Ti phases would disappear after further reacting. Finally, the microstructure consists of the two phases, TiAl and Ti3Al.
Project supported by National Advanced Material Committee of China
Synopsis of the first author Xiong Xiang, professor, born in 1963. Current research fields are powder metallurgy and composite materials. |
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| Keywords: | TiAl reactive mechanism reactive Process reactive-hot-Pressing |
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