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Dehydrogenation of Hydrogenated Ti-6Al-4V Alloy
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Dehydrogenation of Hydrogenated Ti-6Al-4V Alloy
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National Defense Key Disciplines Laboratory of Light Alloy Processing Science and Technology, Nanchang Hangkong University (gf201101001); National Natural Science Foundation of China (51205102); China Postdoctoral Science Foundation (2012M511401)

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    摘要:

    對未置氫及置氫Ti-6Al-4V合金進(jìn)行了TG/DSC試驗(yàn)，研究了置氫鈦合金的除氫行為。結(jié)果表明，當(dāng)溫度超過600 ℃時(shí)，置氫鈦合金的失重規(guī)律與未置氫鈦合金具有較大的差別。當(dāng)加熱溫度在600~900 ℃之間時(shí)，置氫鈦合金的失重隨著氫含量的增加而增加。這是由于置氫合金中的亞穩(wěn)相發(fā)生了分解。不考慮合金氧化的影響，置氫鈦合金的最大失重與合金中的氫含量一致。置氫鈦合金的最佳除氫溫度為750 ℃。對于不同氫含量的置氫鈦合金，其除氫工藝是相同的

    Abstract:

    TG/DSC tests of non-hydrogenated and hydrogenated Ti-6Al-4V alloys were carried out in order to investigate the dehydrogenation behavior of hydrogenated titanium alloys. Results indicate that mass losses of the hydrogenated Ti-6Al-4V alloys are significantly different with that of the non-hydrogenated Ti-6Al-4V alloy when the heating temperature is higher than 600 oC. Mass loss of the hydrogenated Ti-6Al-4V alloy increases with the increasing of hydrogen content when the heating temperature is in the range of 600 oC to 900 oC due to the decomposition of metastable phases. The maximum mass loss of the hydrogenated Ti-6Al-4V alloy is in correspondence with its hydrogen content upon no consideration of oxidation. The optimal dehydrogenation temperature among hydrogenated Ti-6Al-4V alloys is 750 oC. The dehydrogenation process for all hydrogenated Ti-6Al-4V alloys is the same

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袁寶國,劉大海,李春峰. Dehydrogenation of Hydrogenated Ti-6Al-4V Alloy[J].稀有金屬材料與工程,2014,43(9):2104~2107.[Yuan Baoguo, Liu Dahai, Li Chunfeng. Dehydrogenation of Hydrogenated Ti-6Al-4V Alloy[J]. Rare Metal Materials and Engineering,2014,43(9):2104~2107.]
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  • 收稿日期:2013-09-25
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  • 在線發(fā)布日期: 2015-02-25
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