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快淬對(duì)Ti-V基BCC相合金相結(jié)構(gòu)和儲(chǔ)氫性能的影響
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TG139.7

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國(guó)家“863”后續(xù)能源項(xiàng)目資助(2003AA515022)


Effect of Rapid Quenching on Phase Structure and Hydrogen Storage Performance of Ti-V-based BCC Phase Alloys
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    摘要:

    研究了快淬作用對(duì)Ti-28V-15Mn-10Cr合金的相結(jié)構(gòu)和儲(chǔ)氫性能的影響。XRD實(shí)驗(yàn)結(jié)果表明，快淬處理使得合金由BCC和C14Laves兩相結(jié)構(gòu)轉(zhuǎn)變?yōu)閱我坏腂CC相結(jié)構(gòu)，同時(shí)合金的晶格常數(shù)隨著快淬冷速的增加而增大。快淬作用能顯著改善Ti-28V-15Mn-10Cr合金的吸放氫平臺(tái)特性，從而導(dǎo)致合金放氫量的增加。然而，快淬處理也使得合金的放氫平臺(tái)壓下降以及活化性能變差。

    Abstract:

    The effect of rapid quenching on phase structure and hydrogen storage performance of Ti-28V-15Mn-10Cr alloy is investigated. X-ray diffraction (XRD) results show that two phases of BCC and C14 Laves of the as-cast alloy are transformed into a single BCC phase after rapid quenching treatment. The lattice parameters of the alloy increase with increasing of quenching rate. It results in a flatter hydrogen absorption-desorption plateau and a lower hydrogen absorption-desorption plateau pressure. With increasing quenching rate,the activation of Ti-28V-15Mn-10Cr alloy becomes worse.

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余學(xué)斌 吳鑄 夏保佳.快淬對(duì)Ti-V基BCC相合金相結(jié)構(gòu)和儲(chǔ)氫性能的影響[J].稀有金屬材料與工程,2005,34(7):1047~1050.[Yu Xuebin, Wu Zhu, Xia Baojia. Effect of Rapid Quenching on Phase Structure and Hydrogen Storage Performance of Ti-V-based BCC Phase Alloys[J]. Rare Metal Materials and Engineering,2005,34(7):1047~1050.]
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  • 最后修改日期:2003-12-24
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