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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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ti-al-si对sicp/al基复合材料等离子弧焊焊缝的组织与性能的影响
Keywords: 复合材料,sicp/al基,等离子弧
Abstract:
？以ti--al--si合金作为合金化填充材料,用氮氩混合等离子气体对sicp/al基复合材料进行等离子弧原位焊接,研究了ti-al-si对焊缝的组织和性能的影响.结果表明:填加ti-75al-5si合金时,熔池中si和ti的联合作用有效抑地制了针状脆生相al4c3的生成,形成了稳定的熔池,得到了以tin、aln、tic和ti5si3等为二次增强相的焊缝.焊缝的组织致密,结合良好,其最大拉伸强度为225mpa
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