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| Al_2O_3对钼合金组织与性能的影响 | |
| 引用本文： | 代宝珠,魏世忠,徐流杰,彭光辉,李继文,张国赏. Al_2O_3对钼合金组织与性能的影响[J]. 河南科技大学学报(自然科学版), 2010, 31(1): 1-4 |
| 作者姓名： | 代宝珠 魏世忠 徐流杰 彭光辉 李继文 张国赏 |
| 作者单位： | 1. 河南科技大学材料科学与工程学院,河南,洛阳,471003 2. 河南科技大学材料科学与工程学院,河南,洛阳,471003;河南省耐磨材料工程技术研究中心,河南,洛阳,471003 3. 河南省耐磨材料工程技术研究中心,河南,洛阳,471003 4. 洛阳高科钼钨材料有限公司,河南,洛阳,471000 |
| 基金项目： | 国家自然科学基金项目(50972039);;河南省重大科技专项基金项目(081100510100) |
| 摘 要： | 以二氧化钼和硝酸铝为原料,用液-固掺入法制备了Al2O3体积分数分别为3%、5%、7%和10%的钼合金。测定了混合钼粉的粒度、钼基体的显微硬度、钼合金的密度及磨损性能,用SEM观察了混合钼粉的形貌与钼合金的显微组织,用XRD分析了钼合金的相组成。结果表明:钼合金由Mo和Al2O3组成;随Al2O3体积分数增加,钼合金晶粒细化,钼基体显微硬度增加,钼合金密度先增加后减小;钼合金摩擦因数受Al2O3体积分数的影响较小,摩擦因数的值在0.47～0.57之间波动;随Al2O3体积分数增加,磨损量不断减少,磨损类型主要以滑动磨损为主,磨损表面有明显的犁沟和磨屑。 |
| 关 键 词： | Al2O3 铝合金 组织与性能 磨损 |
Effect of Al2O3 on Structure and Properties of Molybdenum Alloys |
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| DAI Bao-Zhua,WEI Shi-Zhonga,b,XU Liu-Jieb,PENG Guang-Hui,LI Ji-Wena,ZHANG Guo-Shanga,b. Effect of Al2O3 on Structure and Properties of Molybdenum Alloys[J]. Journal of Henan University of Science & Technology:Natural Science, 2010, 31(1): 1-4 | |
| Authors: | DAI Bao-Zhua WEI Shi-Zhonga b XU Liu-Jieb PENG Guang-Hui LI Ji-Wena ZHANG Guo-Shanga b |
| Affiliation: | 1a.Materials Science & Engineering College/a>;1b.Henan Engineering Research Center for Wear of Materials/a>;Henan University of Science & Technology/a>;Luoyang 471003/a>;China/a>;2.Luoyang Hi-tech Molybdenum & Tungsten Material Company/a>;Luoyang 471000/a>;China |
| Abstract: | Using MoO2 powder and Aluminum nitrate as raw materials,the molybdenum alloys were prepared by liquid-solid incorporation method with the Al2O3 volume fraction 3%,5%,7%,and 10% respectively.The particle size of the mixed molybdenum powder,micro-hardness of the molybdenum substrate,the density and the wear property of the molybdenum alloys were measured.The topography of the mixed molybdenum powder and microscopic constitution of the molybdenum alloys were analyzed by using SEM.The phase composition was anal... |
| Keywords: | Al2O3 Molybdenum alloys Organization and performance Wear |
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