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鋰對(duì)工業(yè)純銅抗腐蝕性能的影響
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TG146.11

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國(guó)家自然科學(xué)基金!資助項(xiàng)目 (5 95 710 12 )


Effect of Lithium on Anti-Corrosion Ability of Pure Copper
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    摘要:

    研究了在工業(yè)純銅中加入微量鋰對(duì)其抗腐蝕性能的影響。結(jié)果表明:在工業(yè)純銅中加入微量鋰會(huì)使其在NaCI飽和溶液中的抗腐蝕性能有所提高,但當(dāng)超過一極限值時(shí),其抗腐蝕性能又下降,這是由于鋰對(duì)純銅的凈化效應(yīng)及對(duì)晶粒大小、組織形態(tài)及晶格畸變的影響而產(chǎn)生的綜合效應(yīng)所致,其主要腐蝕機(jī)制是吸氧腐蝕和銅及其它夾雜形成的微電池腐蝕。

    Abstract:

    The effect of trace lithium on the anti corrosion ability of industrially pure copper has been studied. The experimental results show that trace lithium can improve the anti corrosion ability of pure copper in saturated NaCl solution, but the ability decreases with increasing lithium content. The improvement in the anti corrosion property results from the effect of lithium on purification, grain size, microstructure and lattice distortion of copper. The corrosion mechanism is oxidization and electric corrosion between copper and impurities.

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朱達(dá)川 張自明.鋰對(duì)工業(yè)純銅抗腐蝕性能的影響[J].稀有金屬材料與工程,2000,(6):423~426.[Zhu dachuan, Chen jiazhao, Zhou xiuli, Tu mingjing, Zhang ziming, Hu zhaomin . Effect of Lithium on Anti-Corrosion Ability of Pure Copper[J]. Rare Metal Materials and Engineering,2000,(6):423~426.]
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