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喷射成形制备钢/Al-Pb合金轴瓦材料的研究
Study of the manufacturing of steel/Al-Pb composite bearing material by spray forming
查看参考文献5篇
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文摘
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利用自行研制的大型喷射成形装置，对成分为Al-6.5Pb-4Si-1Cu-0.5Sn的合金轴瓦材料进行了喷射成形工艺研究。并制备了晶粒均匀密度良好的板坯。研究了合金的显微组织与性能。研究表明：喷射成形Al-Pb合金的显微组织为均匀细小的Pb相粒子弥散分布在Al基体中。这些细小的Pb相粒子对提高合金耐磨性具有很大帮助。喷射沉积成形钢/铝复合板经50%轧制变形后可获得良好的结合强度及组织性能，可做汽车的轴瓦材料。 |
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其他语种文摘
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The spray forming process of Al-6.5Pb-4.5Si-Cu-0.5Sn bearing alloy is studied using a spray forming equipment. The microstructure and the mechanical properties of the spray formed steel/Al-Pb composite steel strip is analyzed. It is shown that the microstructure of the spray formed Al-Pb layer consisted of the Al-Si matrix and the homogeneously distributed Pb particles. The refined Pb particles improve the wear-resistant property of the alloy. After a rolling of 50% reduction the bonding strength between the spray formed Al-Pb layer and the steel strip is larger than 50 MPa. The composite steel/Al-Pb strip may be a good potential material to be used for automotive bearing materials. |
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来源
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机械工程学报
,2002,38(8):139-142 【核心库】
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关键词
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喷射成形SF
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Al-Pb合金
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显微组织
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力学性能
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地址
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中国科学院金属研究所, 沈阳, 110016
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0577-6686 |
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学科
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冶金工业 |
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文献收藏号
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CSCD:1012804
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参考文献 共
5
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