Unveiling the corrosion perspective of Al-Si alloy/SiC foam interpenetrating phase composite

被引：3

作者：

Bhuyan, P. ^{[1
]}

Kota, N. ^{[1
]}

Bairagi, D. ^{[1
]}

Sahasrabudhe, S. ^{[2
]}

Roy, S. ^{[1
]}

Mandal, S. ^{[1
]}

机构：

[1] Indian Inst Technol Kharagpur, Dept Met & Mat Engn, Kharagpur 721302, India

[2] Basava Met Technol LLP, Bailhongal 591102, Karnataka, India

来源：

MATERIALS TODAY COMMUNICATIONS | 2023年 / 35卷

关键词：

Composite materials; Microstructure; Corrosion; Polarization; Impedance; PARTICLE-SIZE; BEHAVIOR;

D O I：

10.1016/j.mtcomm.2023.105495

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion response of the Al-Si alloy/SiC foam interpenetrating phase composite (IPC) has been investigated for the first time in this study. Towards this, SiC foams with varying pores per inch (PPI) index (10, 20, and 30) were employed to fabricate IPCs, designated as, 10PPIC, 20PPIC, and 30PPIC, respectively. The pore size decreased and connectivity of the reinforcement increased with the increase in the PPI index. The electrochemical corrosion studies have revealed that the incorporation of the reinforcing phase in a continuous manner deteriorates the corrosion resistance in all the IPCs except in 20PPIC, where the corrosion resistance is comparable to that of the unreinforced alloy. This is ascribed to the optimum pore size and reinforcement interlinking in this specimen which results in the formation of a less disrupted passive film as well as substantially restricts the pit growth.

引用

页数：4

共 13 条

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