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Mo對(duì)P／M Ti-Mo合金燒結(jié)致密化和力學(xué)性能的影響
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TF12 TG146.23

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國(guó)家"863"高技術(shù)項(xiàng)目(2001AA332010)


Effect of Mo addition on Sintering Densification and Mechanic Properties of PM Ti-Mo Alloy
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    摘要:

    研究了P／M Ti-Mo合金中Mo對(duì)燒結(jié)致密化及力學(xué)性能的影響。用熱膨脹儀分析了其收縮／膨脹特性，用掃描電鏡及力學(xué)性能檢測(cè)等分析手段研究了顯微組織和力學(xué)性能。結(jié)果表明，Mo的添加不利于P／M Ti-Mo合金的燒結(jié)致密化，但有利于Ti-Mo合金的顯微組織細(xì)化。隨著Mo含量的增加，組織細(xì)化作用更加明顯。該晶粒細(xì)化作用大大改善了合金的室溫塑性，使燒結(jié)態(tài)Ti-Mo合金的延伸率達(dá)到23％。

    Abstract:

    The effects of molybdenum addition on the sintering densification and mechanic properties of Ti-Mo alloy were investigated.The expansion/shrinkage characteristic of the alloy was analyzed by a dilatometer.The microstructure and mechanical properties of the alloy were studied by SEM and mechanical property measurement and test.The results show that the addition of Mo can't accelerate the sintering densification,but is beneficial to microstructure refining of Ti-Mo alloy.With increasing of Mo content,the microstructure refining is more and more obvious,resulting in great improving the ambient temperature plasticity of the alloy,the elongation of as-sintered Ti-Mo alloy can reach 23%.

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湯慧萍,劉海彥,黃原平,劉詠,黃伯云. Mo對(duì)P／M Ti-Mo合金燒結(jié)致密化和力學(xué)性能的影響[J].稀有金屬材料與工程,2006,35(12):1932~1935.[Tang Huiping, Liu Haiyan, Huang Yuanping, Liu Yong, Huang Boyun. Effect of Mo addition on Sintering Densification and Mechanic Properties of PM Ti-Mo Alloy[J]. Rare Metal Materials and Engineering,2006,35(12):1932~1935.]
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  • 最后修改日期:2006-03-15
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