Improving Corrosion Resistance of Ferrous Alloy to Molten Zn by Modifying the Laves Phase Characteristics

Improving Corrosion Resistance of Ferrous Alloy to Molten Zn by Modifying the Laves Phase Characteristics
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通过改变Laves相特性提高铁合金对熔融锌的耐蚀性

DOI:
10.1007/s11837-017-2493-5
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发表时间:
2018-11
期刊:
Jom the Journal of the Minerals Metals & Materials Society
影响因子:
--
通讯作者:
Jia Lou
Jia Lou
中科院分区:
其他
文献类型:
--
作者:
Xin Liu;Fucheng Yin;Xuemei Ouyang;Zhi Li;Jia Lou

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相似文献

Fe25Mo14Cr10Ni1Si(wt.%)中的Laves相形貌为提高铁基合金的耐锌液腐蚀性能,对铁基合金进行了Si变质处理。含Si合金表现出编织的针状Laves相,其Mo含量高于Fe25Mo14Cr10Ni合金。含硅合金对熔融锌的耐腐蚀性比不含硅合金高20倍以上,这主要是由于改性Laves相的特性。该相的取向垂直于Zn扩散方向,这有效地防止了熔融Zn的腐蚀,导致更致密的FeZn 13层,而不是在Fe 25Mo 14Cr 10Ni合金中产生的FeZn 10层。
The Laves phase morphology in the Fe25Mo14Cr10Ni1Si (wt.%) alloy was modified by Si addition to improve the corrosion resistance of the ferrous alloy to molten zinc. The Si-containing alloy showed a woven, needle-like Laves phase with higher Mo content than that of the Fe25Mo14Cr10Ni alloy. Corrosion resistance to molten Zn for the Si-containing alloy was more than 20 times higher than that of the silicon-free alloy mainly as a result of the characteristics of the modified Laves phase. This phase was oriented perpendicular to the Zn-diffusion direction, which effectively prevented corrosion by the molten Zn, leading to a denser FeZn13layer rather than the FeZn10layer produced in the Fe25Mo14Cr10Ni alloy.
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