Effect of alloying elements on the polarization behaviour of low carbon steels

被引：0
|
作者：
Ravi, K [1 ]
Bhattacharyya, A [1 ]
Mishra, KB [1 ]
机构：
[1] Steel Author India Ltd, Res & Dev Ctr Iron & Steel, Ranchi 834002, Bihar, India
来源：
CORROSION AND ITS CONTROLS, VOLS I AND II | 1998年
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Polarization studies on four laboratory made steels were conducted. These steels were (i) A plain carbon steel, (ii) Plain carbon steel alloyed with Cu,Cr and Ni, (iii) Plain carbon steel alloyed with Cu,Cr, Ni and Al and (iv) Plain carbon steel alloyed with Cu,Cr,Ni and Mo. Potentiodynamic studies, corrosion rates by weight loss method, and metallography of the steels were studied. It was observed that when the steel is alloyed with Cu,Cr and Ni, the corrosion rate decreased by 55%. When the steel is alloyed with Cu,Cr,Ni and Mo, the corrosion rate further decreased by 85%. But when the steel is alloyed with 0.5% Al, along with Cu . Cr and Ni the corrosion rate had increased by 130% from 6.5 to 16.4 mpy. The best corrosion rate was observed for the alloy containing Cu, Cr, Ni and Mo.
引用
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页码：574 / 581
页数：8
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