| 固溶温度对马氏体时效钢00Ni14Cr3Mo3Ti组织和力学性能的影响 |
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| 引用本文： | 杨维宇,丁雅莉,杨卓越,李保成.固溶温度对马氏体时效钢00Ni14Cr3Mo3Ti组织和力学性能的影响[J].特殊钢,2009,30(3):61-62. |
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| 作者姓名： | 杨维宇 丁雅莉 杨卓越 李保成 |
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| 作者单位： | 1中北大学材料科学与工程学院，太原030051；
2中国钢研科技集团公司结构材料研究所，北京 100081 |
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| 摘 要： | 研究了马氏体时效钢00Ni14Cr3Mo3Ti(%:0.002C、14.06Ni、3.19Cr、3.06Mo、1.32Ti)750～1 050℃固溶处理的组织和力学性能。结果表明,≤900℃固溶处理,该钢奥氏体晶粒和强度无明显变化,固溶温度超过900℃时钢的奥氏体晶粒显著增大,钢的强度呈下降趋势。当固溶温度由750℃增加至900℃时,随固溶处理温度提高,钢中Fe2Mo相量降低,810℃时完全溶解,钢的冲击功由32 J提高至61 J,当固溶温度由900℃增至1 050℃,随奥氏体晶粒增大,钢的冲击功由61 J 降至26 J。
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| 关 键 词： | 马氏体时效钢00Ni14Cr3Mo3Ti 同溶处理 奥氏体晶粒 力学性能 |
| 收稿时间： | 2008-11-17 |
Effect of Solution Temperature on Structure and Mechanical Properties of Maraging Steel 00Ni14Cr3Mo3Ti |
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| Yang Weiyu,Ding Yali,Yang Zhuoyue,Li Baocheng.Effect of Solution Temperature on Structure and Mechanical Properties of Maraging Steel 00Ni14Cr3Mo3Ti[J].Special Steel,2009,30(3):61-62. |
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| Authors: | Yang Weiyu Ding Yali Yang Zhuoyue Li Baocheng |
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| Affiliation: | 1 College of Materials and Science and Engineering, North University of China, Taiyuan 030051;
2 Institute for Structures Materials, China Iron & Steel Research Institute Group, Beijing 100081 |
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| Abstract: | Structure and mechanical properties of maraging steel 00Ni14Cr3Mo3Ti (% ： 0. 002C, 14. 06Ni, 3. 19Cr, 3. 06Mo, 1. 32Ti) with 750 ~ 1 050 °C solution treatment have been studied. Results showed that with ≤900 °C solution treatment the austenite grain size and strength of steel wasn't obvious change, as solution temperature was more than 900 °C , with increasing temperature the austenite grain size increased appreciably and the strength of steel presented declining trend. As solution temperature increased from 750 °C to 900 °C , with decreasing Fe2Mo phase amount in steel and completely dissolving at 810 °C , the impact energy of the steel increased from 32 J to 61 J, and as solution temperature increased from 900 °C to 1 050 °C , with austenite grain coarsening the impact energy decreased from 61 J to 26 J. |
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