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| Microstructure and Mechanical Properties of Ta-W Alloy Part Formed by Cold Rotary Forging |
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Received:February 01, 2011
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.05.013 |
| KeyWord:Tantalum alloy; Rotary forging forming; Hardness; Microstructure |
| Author | Institution |
| LI Xiang |
北京有色金属研究总院有色金属加工工程研究中心 |
| LI Yan-li |
北京有色金属研究总院有色金属加工工程研究中心 |
| LI De-fu |
北京有色金属研究总院有色金属加工工程研究中心 |
| YAN Xiao-dong |
北京有色金属研究总院有色金属加工工程研究中心 |
| PENG Hai-jian |
北京有色金属研究总院有色金属加工工程研究中心 |
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| Abstract: |
| Tantalum alloy thin-walled rotating part with qualified size and good surface quality could be obtained through the reasonable control of rotary forging processing parameters. The recrystallization annealing process of cold-forming tantalum alloy was studied, the mechanical property and hardness distribution was checked, the microstructure of the part annealed was observed. The results show that tantalum alloy part annealed by 1 350 ℃×60 min is fully recrystallized, the average grain size is about 50μm；The tantalum alloy part possesses good uniformity microstructure, and tensile strength is 360 MPa, elongation rate is 45.5%. |
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