CrFeCoNiCuAl(下標 x)合金之腐蝕行為研究

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Title:	CrFeCoNiCuAl(下標 x)合金之腐蝕行為研究
Authors:	曹春暉、李成哲、林明憲
Contributors:	工學院
Keywords:	CrFeCoNiCuAl(下標 x) 腐蝕速率微結構 CrFeCoNiCuAl(subscript x) Corrosion rate Microstructures
Date:	2009-01-01
Issue Date:	2012-03-28 13:25:44 (UTC+8)
Abstract:	本論文熔配CrFeCoNiCuAl(下標 x)合金，X為0.5、1.0、2.0，進行腐蝕實驗，結果顯示在HCl 50%及H2SO4 50%的濃酸中，此三種六元合金的抗蝕性優於市售304不銹鋼，而在HNO3 50%溶液中的抗蝕性不如市售304不銹鋼。這三種合金中，又以CrFeCoNiCuAl0.5對三種濃酸的抗蝕性最佳，這是因為由於六元高熵合金CrFeCoNiCuAl0.5僅為單一相(FCC)結構及其偏析較小的結果。 The CrFeCoNiCuAl(subscript x) multi-component alloys (x=0.5, 1 and 2) were prepared by arc-melting method, followed by corrosion test. The results indicated that the corrosion resistances of these three CrFeCoNiCuAl(subscript x) alloys were better than that of commercial 304 stainless steel after immerging in HCl 50% or H2SO4 50%; but the corrosion resistances of these three CrFeCoNiCuAl(subscript x) alloys were worse than that of commercial 304 stainless steel after immerging in HNO3 50%. Moreover, CrFeCoNiCuAl0.5 alloy had best corrosion resistance among these three CrFeCoNiCuAl(subscript x) alloys, because it had only one FCC phase and thus small segregation.
Relation:	華岡工程學報 23期 p.27 -34
Appears in Collections:	[College of Engineering] Chinese Culture University Hwa Kang Journal of Engineering

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