VCoNi中熵合金力学性能的温度依赖性研究
TG135.1; 研究了不同温度(77~773 K)的服役条件对VCoNi中熵合金力学性能的影响,采用大变形轧制和短时间退火调控VCoNi合金晶粒尺寸,通过准静态拉伸实验研究了材料力学性能的变化规律并通过微观组织观察对内在机制进行阐述说明.在77 K时,材料内部的大量孪晶和缠绕的位错,使得合金具有优异的综合性能.随着实验温度由293 K升高至573 K,材料延伸率和力学性能保持稳定.当实验温度达到373 K,应力-应变曲线上出现锯齿流变....
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| Published in | 功能材料 Vol. 51; no. 12; pp. 12020 - 12023 |
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| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
长安大学 材料科学与工程学院,西安 710061%西安理工大学 材料科学与工程学院,西安 710048
30.12.2020
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-9731 |
| DOI | 10.3969/j.issn.1001-9731.2020.12.004 |
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| Abstract | TG135.1; 研究了不同温度(77~773 K)的服役条件对VCoNi中熵合金力学性能的影响,采用大变形轧制和短时间退火调控VCoNi合金晶粒尺寸,通过准静态拉伸实验研究了材料力学性能的变化规律并通过微观组织观察对内在机制进行阐述说明.在77 K时,材料内部的大量孪晶和缠绕的位错,使得合金具有优异的综合性能.随着实验温度由293 K升高至573 K,材料延伸率和力学性能保持稳定.当实验温度达到373 K,应力-应变曲线上出现锯齿流变. |
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| AbstractList | TG135.1; 研究了不同温度(77~773 K)的服役条件对VCoNi中熵合金力学性能的影响,采用大变形轧制和短时间退火调控VCoNi合金晶粒尺寸,通过准静态拉伸实验研究了材料力学性能的变化规律并通过微观组织观察对内在机制进行阐述说明.在77 K时,材料内部的大量孪晶和缠绕的位错,使得合金具有优异的综合性能.随着实验温度由293 K升高至573 K,材料延伸率和力学性能保持稳定.当实验温度达到373 K,应力-应变曲线上出现锯齿流变. |
| Author | 马文君 施洋 冯颖颖 张长军 孙傲然 丁晨阳 孟令坤 |
| AuthorAffiliation | 长安大学 材料科学与工程学院,西安 710061%西安理工大学 材料科学与工程学院,西安 710048 |
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| Author_FL | ZHANG Changjun SUN Aorun DING Chenyang MENG Lingkun FENG Yingying SHI Yang MA Wenjun |
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| Keywords | 力学性能 锯齿流变 轧制 中熵合金 |
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| Snippet | TG135.1; 研究了不同温度(77~773 K)的服役条件对VCoNi中熵合金力学性能的影响,采用大变形轧制和短时间退火调控VCoNi合金晶粒尺寸,通过准静态拉伸实验研究了材料力学性能... |
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| Title | VCoNi中熵合金力学性能的温度依赖性研究 |
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