| 固溶时效处理对99.0Au-0.8Ti-0.2Y合金组织与硬度的影响 |
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| 引用本文： | 张荣红,兰艳頔,彭先华,刘静. 固溶时效处理对99.0Au-0.8Ti-0.2Y合金组织与硬度的影响[J]. 金属热处理, 2012, 37(3): 111-113 |
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| 作者姓名： | 张荣红 兰艳頔 彭先华 刘静 |
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| 作者单位： | 1. 中国地质大学珠宝学院,湖北武汉,430074
2. 武汉科技大学材料与冶金学院,湖北武汉,430081 |
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| 基金项目： | 中央高校基本科研业务费专项资金项目 |
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| 摘 要： | 利用XRD,光学显微镜,TEM和显微硬度计对99.0Au-0.8Ti-0.2Y合金的强化机理进行了研究。结果表明,99.0Au-0.8Ti-0.2Y合金在800℃×15 min固溶+140℃×18 h时效处理后的显微硬度达到最高值74 HV0.05;TEM分析结果表明,固溶时效处理后晶粒内部细小而弥散分布的颗粒为TiAu4、YAu3以及它们的复合析出物。
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| 关 键 词： | 99.0Au-0.8Ti-0.2Y合金 固溶时效处理 组织 硬度 |
Effect of solid solution and aging treatment on microstructure and hardness of 99.0Au-0.8Ti-0.2Y alloy |
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| ZHANG Ronghong,LAN Yandi,PENG Xianhua,LIU Jing. Effect of solid solution and aging treatment on microstructure and hardness of 99.0Au-0.8Ti-0.2Y alloy[J]. Heat Treatment of Metals, 2012, 37(3): 111-113 |
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| Authors: | ZHANG Ronghong LAN Yandi PENG Xianhua LIU Jing |
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| Affiliation: | 1.Gemmological Institute,China University of Geosciences,Wuhan Hubei 430074,China;2.College of Materials Science and Metallurgical Engineering,Wuhan University of Science and Technology,Wuhan Hubei 430081,China) |
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| Abstract: | Strengthening mechanism of 99.0Au-0.8Ti-0.2Y alloy was investigated by XRD,optical microscope,TEM and microhardness tester.The results show that the microhardness of 99.0Au-0.8Ti-0.2Y alloy reaches the maximum value 74 HV0.05 after 800 ℃×15 min solution treatment and 140 ℃×18 h aging.TEM analysis results show that after solid solution and aging treatment,the fine and dispersed particles in the grain are TiAu4,YAu3 and their composite precipitates. |
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| Keywords: | 99.0Au-0.8Ti-0.2Y alloy solid solution and aging treatment microstructure hardness |
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