| 钛合金近β锻造研究 |
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| 引用本文： | 周义刚,张宝昌. 钛合金近β锻造研究[J]. 航空学报, 1989, 10(1): 60-66 |
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| 作者姓名： | 周义刚 张宝昌 |
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| 作者单位： | 西北工业大学(周义刚)，西北工业大学(张宝昌) |
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| 摘 要： | 提出钛合金塑性变形中一种新的热加工方法——钛合金近β锻造。试验和生产实践表明,它能在不影响合金塑性、不降低热稳定性的条件下,显著地提高合金的高温性能、低周疲劳性能和断裂韧性、使钛锻件具有最好的塑性、热强性和断裂韧性的综合。新工艺适用于（α+β）型合金,可应用于α型和近α型合金。
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| 关 键 词： | 近β锻造 双态组织 强韧化 |
| 收稿时间： | 1988-02-09; |
AN INVESTIGATION ON NEAR-BETA FORGING OF TITANIUM ALLOY |
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| Northwestern Polytechnical University Zhou Yigang and Zhang Baochang. AN INVESTIGATION ON NEAR-BETA FORGING OF TITANIUM ALLOY[J]. Acta Aeronautica et Astronautica Sinica, 1989, 10(1): 60-66 |
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| Authors: | Northwestern Polytechnical University Zhou Yigang and Zhang Baochang |
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| Affiliation: | Northwestern Polytechnical University Zhou Yigang and Zhang Baochang |
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| Abstract: | This paper is believed to be the first to present a hot working method which is called near-beta forging for titanium alloys. Experimental results showed that this new method strikingly raised the high-temperature properties, low-cycle fatigue behavior and fracture toughness of titanium alloy without reducing its plasticity and thermal stability. Therefore, this method makes the alloy possess the best plasticity, hot-strength and fracture-toughness simultaneously. The near-beta forging is applied to alpha-beta titanium alloys as well as alpha and near-alpha alloys. |
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| Keywords: | near-beta forging bi-modal structure strengthening and toughening. |
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