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鋅對925銀抗變色性能的影響
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Effects of Zn Addition on the Anti-Tarnishing of 925 Silver Alloys
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    摘要:

    研究添加0~2.5%（質(zhì)量分?jǐn)?shù)，下同）的Zn對925銀合金抗變色性能的影響。物相分析、鑄造分析、顯微組織觀察、抗變色性能試驗(yàn)結(jié)果表明，添加0.5%~1%的Zn對提高925銀合金抗變色性能較為明顯有效，主要原因是表面形成一層氧化鋅膜。此外，合金中添加Zn可起到增亮的效果，并改善其鑄造性能。

    Abstract:

    The effects of 0-2.5wt%Zn addition on the anti-tarnishing of 925 silver alloys were investigated. The results of phase analysising, casting analysising, microstructure observation, and anti-tarnishing performance test show that adding of 0.5wt%~1wt% Zn will improve the anti-tarnishing of 925 silver alloy obviously which is attributed to a layer of zinc oxide film formed on the surface. Adding of Zn can play a role of brightening effect and improve the casting properties.

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湯有正,向雄志,白曉軍,牛 飛.鋅對925銀抗變色性能的影響[J].稀有金屬材料與工程,2012,41(5):929~931.[Tang Youzheng, Xiang Xiongzhi, Bai Xiaojun, Niu Fei. Effects of Zn Addition on the Anti-Tarnishing of 925 Silver Alloys[J]. Rare Metal Materials and Engineering,2012,41(5):929~931.]
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  • 收稿日期:2011-05-15
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