NOTCH BEHAVIOR AND FATIGUE LIFE PREDICTIONS OF DISCONTINUOUSLY REINFORCED MMCs
Yükleniyor...
Dosyalar
Tarih
2011
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Polska Akad Nauk, Polish Acad Sciences, Inst Metall & Mater Sci Pas
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
In this study, three notch geometries were assessed with different stress concentration factors. The severity of a notch increased with the stress concentration, hence the fatigue lives dramatically reduced due to increasing stress concentration factor. Fatigue life predictions for the notch geometries have been performed by using a critical strain life approach. It is shown that the model provides a reasonable fatigue life estimation for various notch geometries, volume fraction, and reinforcement particle size of the Al metal matrix composites. Typical crack initiation sites related with the particle clusters, large particles, and intermetallic particles. Although, crack propagation in the reinforced alloy occurred predominantly in the matrix material, SiC particles (SiCp) played a significant role in influencing the crack path.
Açıklama
WOS: 000290464500012
Anahtar Kelimeler
MMCs, Fatigue, life prediction, notch behavior
Kaynak
Archives Of Metallurgy And Materials
WoS Q Değeri
Q3
Scopus Q Değeri
Q4
Cilt
56
Sayı
1
