Potentiodynamic Polarization Aspects of the As-cast and Sprayed Al-Si, Al-Sn and Al-Sn-Si Alloys in a Sodium Chloride Solution

被引：10
|
作者：
Anil, M. [1 ]
Balaji, S. [2 ]
Upadhyaya, A. [2 ]
Ghosh, M. K. [1 ]
Ojha, S. N. [3 ]
机构：
[1] Banaras Hindu Univ, Inst Technol, Dept Mech Engn, Varanasi 221005, Uttar Pradesh, India
[2] Indian Inst Technol, Dept Mat & Met Engn, Kanpur 208016, Uttar Pradesh, India
[3] Banaras Hindu Univ, Inst Technol, Dept Met Engn, Varanasi 221005, Uttar Pradesh, India
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2010年 / 19卷 / 09期
关键词：
bearing alloys; corrosion; potentiodynamic polarization; chill casting; spray forming; CORROSION-RESISTANCE; WEAR CHARACTERISTICS; MICROSTRUCTURE; MORPHOLOGY;
D O I：
10.1007/s11665-010-9629-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present study compares the corrosion behavior of Al-Sn, Al-Si and Al-Sn-Si alloys processed by spray forming with that of the conventional chill cast ones in aqueous 0.1 N NaCl solution. Spray forming resulted in finer microstructural features with uniform distribution of second-phase particles. The spray formed Al-Si samples showed improved corrosion resistance as compared to the chill cast ones. The Sn containing alloys showed inferior corrosion resistance in the neutral electrolyte. The addition of 12.5 wt.% Si to Al-Sn alloys improves the corrosion resistance.
引用
收藏
页码：1357 / 1361
页数：5
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