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

页码：1357 / 1361

页数：5

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