| 稳定化热处理对Zn-10Al-2Cu-0.02Ti合金组织及蠕变行为的影响 |
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| 引用本文： | 林高用,张锐,王莉,雷玉霞,贺家健. 稳定化热处理对Zn-10Al-2Cu-0.02Ti合金组织及蠕变行为的影响[J]. 中国有色金属学会会刊, 2013, 23(1): 86-91. DOI: 10.1016/S1003-6326(13)62433-4 |
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| 作者姓名： | 林高用 张锐 王莉 雷玉霞 贺家健 |
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| 作者单位： | 1. 中南大学材料科学与工程学院,长沙410083;中南大学有色金属材料科学与工程教育部重点实验室,长沙410083
2. 中南大学材料科学与工程学院,长沙,410083 |
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| 基金项目： | Project(2009BAE71B00) supported by the National Key Technology R&D Program during the Eleventh Five-Year Plan Period |
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| 摘 要： | 采用扫描电子显微镜、透射电镜、电子探针以及X射线衍射物相分析等技术手段,对稳定化热处理前后Zn-10Al-2Cu-0.02Ti合金的显微组织进行观察,通过室温恒载荷拉伸、慢应变速率拉伸实验研究合金组织变化及其对合金室温蠕变行为的影响.结果表明:经过稳定化热处理((350℃,30 min,水冷)+(100℃,12h, 空冷)),后合金中的α+η层片状组织的减少,胞状和粒状组织增多；与挤压态合金相比,经过稳定化热处理后的Zn-10Al-2Cu-0.02Ti合金的抗蠕变性能显著提高,其稳态蠕变速率降低了96.9％.
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| 关 键 词： | Zn-10Al-2Cu-0.02Ti合金 稳定化热处理 显微组织 蠕变行为 |
| 收稿时间： | 2011-12-26 |
Effects of stabilizing heat treatment on microstructures and creep behavior of Zn-10Al-2Cu-0.02Ti alloy |
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| Gao-yong LIN , Rui ZHANG , Li WANG , Yu-xia LEI , Jia-jian HE. Effects of stabilizing heat treatment on microstructures and creep behavior of Zn-10Al-2Cu-0.02Ti alloy[J]. Transactions of Nonferrous Metals Society of China, 2013, 23(1): 86-91. DOI: 10.1016/S1003-6326(13)62433-4 |
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| Authors: | Gao-yong LIN Rui ZHANG Li WANG Yu-xia LEI Jia-jian HE |
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| Affiliation: | 1.School of Materials Science and Engineering,Central South University,Changsha 410083,China;2.Key Laboratory of Nonferrous Metal Materials Science and Engineering,Ministry of Education,Central South University,Changsha 410083,China |
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| Abstract: | The microstructures of as-extruded and stabilizing heat-treated Zn–10Al–2Cu–0.02Ti alloys were observed by scanning electron microscopy, transmission electron microscopy, electron probe microanalysis and X-ray diffraction analysis techniques. The change in structure after heat treatment and its effects on room temperature creep behavior were investigated by creep experiments at constant stress and slow strain rate tensile tests. The results show that after stabilizing heat treatment ((350 °C, 30 min, water-cooling)+(100 °C, 12 h, air-cooling)), the amount of α+η lamellar structure decreases, while the amount of cellular and granular structure increases. The heat-treated Zn–10Al–2Cu–0.02Ti alloy exhibits better creep resistance than the as-extruded alloy, and the rate of steady state creep decreases by 96.9% after stabilizing heat treatment. |
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| Keywords: | Zn-10Al-2Cu-0.02Ti alloy stabilizing heat treatment microstructure creep behavior |
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