Effect of SiC particle size on corrosion behavior of pressure infiltrated Al matrix composites in a NaCl solution

In this study, the effect of SiC particle size on corrosion behavior of Al-60 vol.% SiC particle composites has been investigated. Three different SiC particle composites, having mean diameters of 13, 23 and 37 µm, were produced by a pressure infiltration technique at 750°C. The corrosion tests were carried out in 3.5 wt.% NaCl environment up to 28 days. Experimental results showed that the weight loss of the 1composites increased with increasing particle size and exposure time. However, weight loss of the composites having 13- and 23-µm particle sizes remained almost constant after 3-5 days of exposure time. Scanning electron microscopic (SEM) analysis and potentiodynamic polarization measurements revealed that composite having 13-µm SiC particles exhibited higher corrosion resistance than that of the composites having 23-and 37-nm SiC particles. Experimental results showed that intermetallics as a result of reaction between Al and SiC particle has a beneficial effect on corrosion resistance of the composites due to interruption of the continuity of the matrix channels within the pressure infiltrated composites. © 2004 Elsevier B.V. All rights reserved.

Dergi Adı Materials Letters
Dergi Cilt Bilgisi 58
Dergi Sayısı 27-28
Sayfalar 3601 - 3605
Yayın Yılı 2004
Eser Adı
[dc.title]
Effect of SiC particle size on corrosion behavior of pressure infiltrated Al matrix composites in a NaCl solution
Yazar
[dc.contributor.author]
Candan S.
Yayın Yılı
[dc.date.issued]
2004
Yayın Türü
[dc.type]
article
Özet
[dc.description.abstract]
In this study, the effect of SiC particle size on corrosion behavior of Al-60 vol.% SiC particle composites has been investigated. Three different SiC particle composites, having mean diameters of 13, 23 and 37 µm, were produced by a pressure infiltration technique at 750°C. The corrosion tests were carried out in 3.5 wt.% NaCl environment up to 28 days. Experimental results showed that the weight loss of the 1composites increased with increasing particle size and exposure time. However, weight loss of the composites having 13- and 23-µm particle sizes remained almost constant after 3-5 days of exposure time. Scanning electron microscopic (SEM) analysis and potentiodynamic polarization measurements revealed that composite having 13-µm SiC particles exhibited higher corrosion resistance than that of the composites having 23-and 37-nm SiC particles. Experimental results showed that intermetallics as a result of reaction between Al and SiC particle has a beneficial effect on corrosion resistance of the composites due to interruption of the continuity of the matrix channels within the pressure infiltrated composites. © 2004 Elsevier B.V. All rights reserved.
Kayıt Giriş Tarihi
[dc.date.accessioned]
2019-12-23
Açık Erişim Tarihi
[dc.date.available]
2019-12-23
Yayın Dili
[dc.language.iso]
eng
Konu Başlıkları
[dc.subject]
Al-SiC composite
Konu Başlıkları
[dc.subject]
Corrosion
Konu Başlıkları
[dc.subject]
Pressure infiltration
Haklar
[dc.rights]
info:eu-repo/semantics/closedAccess
ISSN
[dc.identifier.issn]
0167577X
İlk Sayfa Sayısı
[dc.identifier.startpage]
3601
Son Sayfa Sayısı
[dc.identifier.endpage]
3605
Dergi Adı
[dc.relation.journal]
Materials Letters
Dergi Sayısı
[dc.identifier.issue]
27-28
Dergi Cilt Bilgisi
[dc.identifier.volume]
58
Tek Biçim Adres
[dc.identifier.uri]
https://dx.doi.org/10.1016/j.matlet.2004.06.053
Tek Biçim Adres
[dc.identifier.uri]
https://hdl.handle.net/20.500.12628/5377
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Görüntülenme
9
09.12.2022 tarihinden bu yana
İndirme
1
09.12.2022 tarihinden bu yana
Son Erişim Tarihi
04 Şubat 2024 06:16
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Tıklayınız
composites particle having corrosion showed pressure results resistance weight exposure particles effect Experimental revealed composite 13-µm exhibited analysis measurements polarization potentiodynamic microscopic electron Scanning higher channels reserved rights Elsevier infiltrated within matrix 23-and continuity interruption
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