| 凝胶注模成形制备TiAl合金实验研究 |
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| 引用本文： | 王 志,邵慧萍,叶 青,林 涛,郭志猛,何新波,赵 勇,林均品.凝胶注模成形制备TiAl合金实验研究[J].稀有金属材料与工程,2014,43(9):2262-2266. |
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| 作者姓名： | 王 志 邵慧萍 叶 青 林 涛 郭志猛 何新波 赵 勇 林均品 |
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| 作者单位： | 北京科技大学，北京 100083 |
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| 基金项目： | 国家自然科学基金 (51274039)；新金属材料国家重点实验室开放基金 (2012-ZD04)；国家发改委稀土稀有金属新材料研发和产业化专项 |
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| 摘 要： | 将凝胶注模成形技术应用于制备钛铝合金中,分别以氢化钛粉和铝粉、钛粉和铝粉为原料,经过低温烧结制成TiAl合金粉,经凝胶注模成形后通过脱胶和高温无压烧结制备了TiAl合金制件。结果表明:钛、铝粉在500℃保温2 h,再在600℃保温3 h得到TiAl合金粉,氢化钛、铝粉在750℃保温3 h得到TiAl合金粉;烧结工艺分别为1450℃保温2 h和1400℃保温2 h,可以得到致密度不同的制件,它们的致密度分别为91%和96.75%。
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| 关 键 词： | 凝胶注模成形 氢化钛粉和钛粉 钛铝合金 无压烧结 |
| 收稿时间： | 2013/9/24 0:00:00 |
Preparation of TiAl Alloy by Gel-Casting Process |
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| Wang Zhi,Shao Huiping,Ye Qing,Lin Tao,Guo Zhimeng,He Xinbo,Zhao Yong and Lin Junpin.Preparation of TiAl Alloy by Gel-Casting Process[J].Rare Metal Materials and Engineering,2014,43(9):2262-2266. |
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| Authors: | Wang Zhi Shao Huiping Ye Qing Lin Tao Guo Zhimeng He Xinbo Zhao Yong and Lin Junpin |
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| Affiliation: | University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | TiAl alloy workpieces were prepared using titanium powder or titanium hydride power and aluminum powder as raw material by low-temperature sintering, gel-casting, batching out and pressureless sintering. The results show that the TiAl alloy powder can be obtained by heating titanium powder and aluminum power for 2 h at 500 oC and 3 h at 600 oC, or heating titanium hydride power and aluminum powder for 3 h at 750 oC. The last sintering process is 2 h at 1450 oC and 2 h at 1400 oC for the two kinds of processing. The relative density are 91% and 96.75%, respectively |
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| Keywords: | gel-casting process titanium hydride powder and titanium powder titanium aluminum alloy pressureless sintering |
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