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| 钼金属的脆性与强韧化技术研究进展 | |
| 引用本文： | 冯鹏发,赵虎,杨秦莉,刘仁智,付静波,孙军.钼金属的脆性与强韧化技术研究进展[J].铸造技术,2011,32(4):554-558. |
| 作者姓名： | 冯鹏发 赵虎 杨秦莉 刘仁智 付静波 孙军 |
| 作者单位： | 1. 西安交通大学金属材料强度国家重点实验室,陕西西安710049;金堆城钼业股份有限公司,陕西西安710077 2. 金堆城钼业股份有限公司,陕西西安,710077 3. 西安交通大学金属材料强度国家重点实验室,陕西西安,710049 |
| 摘 要： | 分析了钼材料脆性产生的两大原因:本征脆性和间隙杂质在晶界上的富集.论述了钼金属的主要强韧化技术,包括固溶强韧化、碳化物弥散强韧化、稀土氧化物弥散强韧化、气泡强韧化、复合强韧化等的作用机制、主要合金及发展现状.系统阐述了固-固、液-固和液-液掺杂法等传统掺杂方法,扩散沉积、多步内氮化处理等新型合金化技术的工作原理、工艺要... |
| 关 键 词： | 脆性 强韧化 掺杂 钼 |
Research Progress on Brittleness of Molybdenum and the Technologies of Its Strengthening and Toughening |
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| FENG Peng-fa,ZHAO Hu,YANG Qin-li,LIU Ren-zhi,FU Jing-bo,SUN Jun.Research Progress on Brittleness of Molybdenum and the Technologies of Its Strengthening and Toughening[J].Foundry Technology,2011,32(4):554-558. | |
| Authors: | FENG Peng-fa ZHAO Hu YANG Qin-li LIU Ren-zhi FU Jing-bo SUN Jun |
| Affiliation: | FENG Peng-fa1,2,ZHAO Hu2,YANG Qin-li2,LIU Ren-zhi2,FU Jing-bo2,SUN Jun1(1.State Key Laboratory of Mechanical Behavior of Materials,Xi'an Jiaotong University,Xi'an 710049,China,2.Jinduicheng Molybdenum Industry Co.,Ltd.,Xi'an 710077,China) |
| Abstract: | Two causes of brittleness of molybdenum are present,i.e.its intrinsic frangibility and the concentration of various impurities in the grain boundary.The main strengthening and toughening technologies of molybdenum,including solid solution strengthening and toughening,molybdenum carbides dispersion strengthening,rare earth oxides dispersion strengthening and toughening,bubble strengthening and toughening,compositing strengthening and toughening technologies,etc,are systematically discussed.And the mechanisms... |
| Keywords: | Brittleness Strengthening and toughening technologies Doping Molybdenum |
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