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HF溶液預(yù)處理對(duì)ZrCr0.7Ni1.3貯氫電極合金電化學(xué)性能的影響
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TG139.7

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國(guó)家自然科學(xué)基金資助項(xiàng)目(59601005),遼寧省科委資助基金(001056)


Influence of HF Pretreatment on Electrochemical Properties of ZrCr_(0.7)Ni_(1.3)
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    摘要:

    研究了HF溶液預(yù)處理工藝對(duì)ZrCr0.7Ni1.3合金電化學(xué)性能的影響及其作用機(jī)制。結(jié)果表明:在HF溶液處理過程中,合金組成相之間的微電池腐蝕效應(yīng)促進(jìn)了裂紋萌生,擴(kuò)展和比表面積的增大,從而改善了合金的電化學(xué)性能。合金表面形貌和成分變化等因素對(duì)合金電化學(xué)性能的提高有重要作用。

    Abstract:

    The influences of the 1%HF solution pretreatment on electrochemical properties of ZrCr0.7Ni1.3 were investigated.The results show that creak initiation and propagation and the increase of the specific surface area were accelerated due to the effect of the microcell corrosion during the HF pre treating,therefore the electrochemical properties of the alloy were improved. The changes of surface morphology and composition of the alloy resulting from the HF pre treatment are responsible for the improvement in the electrochemical properties of the alloy.

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張永俊 于志偉 等. HF溶液預(yù)處理對(duì)ZrCr0.7Ni1.3貯氫電極合金電化學(xué)性能的影響[J].稀有金屬材料與工程,2002,(4):270~273.[Zhang Yongjun, Yu Zhiwei, Ji Shijun, Xu Xiaolei, Sun Juncai. Influence of HF Pretreatment on Electrochemical Properties of ZrCr_(0.7)Ni_(1.3)[J]. Rare Metal Materials and Engineering,2002,(4):270~273.]
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  • 最后修改日期:2001-04-24
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