| 熔炼方式对Ti6242S钛合金棒材组织性能的影响 |
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| 引用本文： | 杜彬,孙宁宁,辛社伟,周伟,雷云清,钱光凝,王倩,马玉年.熔炼方式对Ti6242S钛合金棒材组织性能的影响[J].金属功能材料,2021,28(1):19-24. |
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| 作者姓名： | 杜彬 孙宁宁 辛社伟 周伟 雷云清 钱光凝 王倩 马玉年 |
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| 作者单位： | 青海聚能钛业股份有限公司,青海西宁810007;青海聚能钛业股份有限公司,青海西宁810007;西北有色金属研究院,陕西西安710016;西北有色金属研究院,陕西西安710016;青海聚能钛业股份有限公司,青海西宁810007;青海聚能钛业股份有限公司,青海西宁810007;青海聚能钛业股份有限公司,青海西宁810007;青海聚能钛业股份有限公司,青海西宁810007 |
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| 基金项目： | 青海省科技成果转化专项资助项目;国家工业强基工程资助项目 |
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| 摘 要： | 利用1350kW型国产化的电子束冷床熔炼(EB)炉及真空自耗熔炼炉制备Ti6242S钛合金铸锭,并对制备的φ200mm棒材的微观组织及力学性能进行了对比分析.经EB一次熔炼铸锭的凝固组织均匀、细小,EB熔炼的特性造就了最终棒材力学性能的稳定性.(EB+VAR)棒材的微观组织及力学性能均优于EB棒材,这与VAR重熔的成分...
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| 关 键 词： | 电子束冷床熔炼 Ti6242S钛合金 组织性能 |
Effect of melting method on microstructure and mechanical properties of Ti6242S alloy bars |
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| DU Bin,SUN Ningning,XIN Shewei,ZHOU Wei,LEI Yunqing,QIAN Guangning,WANG Qian,MA Yunian.Effect of melting method on microstructure and mechanical properties of Ti6242S alloy bars[J].Metallic Functional Materials,2021,28(1):19-24. |
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| Authors: | DU Bin SUN Ningning XIN Shewei ZHOU Wei LEI Yunqing QIAN Guangning WANG Qian MA Yunian |
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| Affiliation: | (Qinghai Supower Titanium Co.,Ltd.,XiNing 810007,Qinghai,China;Northwest Institute for Nonferrous Metal Research,Xi'an 710016,Shaanxi,China) |
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| Abstract: | The titanium alloy ingots of Ti6242S were prepared by using domestic 1350 kW electron beam cold hearth melting(EB)furnace and vacuum self-consumption melting furnace,and the microstructure and mechanical properties of the Ф200 mm bars were compared and analyzed.The solidification structure of the ingot was uniform and fine after EB melting,and the property of EB melting resulted in the stability of the mechanical properties of the final bar.The microstructure and mechanical properties of the bar prepared by(EB+VAR)were superior to those of EB bar,which was directly related to the homogenization of components in VAR remelting.The process of preparing Ti6242 S industrial titanium alloy ingot by EB furnace can satisfy the requirement of the key parts of aeroengine. |
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| Keywords: | electron beam cold hearth melting Ti6242S alloy microstructure and properties |
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