| 固溶温度对Ti-5Mo-5V-2Cr-3Al钛合金棒材组织和性能的影响规律 |
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| 引用本文： | 罗峥,魏衍广,陶海明,崔雪飞,陈海珊.固溶温度对Ti-5Mo-5V-2Cr-3Al钛合金棒材组织和性能的影响规律[J].材料导报,2014,28(14):117-120. |
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| 作者姓名： | 罗峥 魏衍广 陶海明 崔雪飞 陈海珊 |
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| 作者单位： | 北京有色金属研究总院粉末冶金及特种材料研究所,北京 100088;北京有色金属研究总院粉末冶金及特种材料研究所,北京 100088;北京有色金属研究总院粉末冶金及特种材料研究所,北京 100088;北京有色金属研究总院粉末冶金及特种材料研究所,北京 100088;北京有色金属研究总院粉末冶金及特种材料研究所,北京 100088 |
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| 基金项目： | 中国博士后科学基金（20080440334） |
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| 摘 要： | 研究了固溶温度对Ti-5Mo-5V-2Cr-3Al钛合金棒材显微组织和力学性能的影响。结果表明,钛合金固溶处理温度在相变点以下,空冷后,显微组织由β相、初生α相以及次生α相组成。随着固溶温度的升高,显微组织中β相晶粒尺寸增大,晶界α相厚度减小,产生有序化现象,而次生α相数量和尺寸减小,使合金的强度降低,塑性升高,但固溶处理温度为800℃时,网状晶界α相使塑性迅速下降;当固溶处理温度在相变点以上,Ti-5Mo-5V-2Cr-3Al钛合金重新形核并长大,随着固溶温度的升高,β相晶粒尺寸增大,初生α相数量减少,强度和塑性都下降,过冷β相晶粒发生应力诱发马氏体现象。
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| 关 键 词： | Ti-5Mo-5V-2Cr-3Al钛合金 固溶温度 力学性能 显微组织 |
Effect of Solution Temperature on the Microstructure and Properties of Ti-5Mo-5V-2Cr-3Al Titanium Alloy Bars |
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| LUO Zheng,WEI Yanguang,TAO Haiming,CUI Xuefei and CHEN Haishan.Effect of Solution Temperature on the Microstructure and Properties of Ti-5Mo-5V-2Cr-3Al Titanium Alloy Bars[J].Materials Review,2014,28(14):117-120. |
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| Authors: | LUO Zheng WEI Yanguang TAO Haiming CUI Xuefei and CHEN Haishan |
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| Affiliation: | Powder Metallurgy and Special Materials Research Department, Beijing General Research Institute for Non-ferrous Metals, Beijing 100088;Powder Metallurgy and Special Materials Research Department, Beijing General Research Institute for Non-ferrous Metals, Beijing 100088;Powder Metallurgy and Special Materials Research Department, Beijing General Research Institute for Non-ferrous Metals, Beijing 100088;Powder Metallurgy and Special Materials Research Department, Beijing General Research Institute for Non-ferrous Metals, Beijing 100088;Powder Metallurgy and Special Materials Research Department, Beijing General Research Institute for Non-ferrous Metals, Beijing 100088 |
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| Abstract: | |
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| Keywords: | Ti-5Mo-5V-2Cr-3Al titanium alloy solution temperature mechanical property microstructure |
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