Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/8600
Title: Correlation between melt quality and fatigue properties of 2024, 6063 and 7075
Authors: Tan, Engin
Tarakçılar, Ali Rıza
Dispinar, D.
Keywords: Aluminium alloy
Bifilm index
Fatigue
Melt quality
Sima
Fatigue properties
Fracture surfaces
Good correlations
High mean stress
Load stress
Metal quality
SEM analysis
Solution heat treatment
Spherical grains
Strain-induced melt activated process
Water quenching
Weibull
Exhibitions
Fatigue of materials
Fatigue testing
Materials properties
Weibull distribution
Aluminum alloys
Abstract: Extruded 2024, 6065 and 7075 alloys were subjected to Strain Induced Melt Activated (SIMA) process and average of 80 µm spherical grains were obtained. T6 solution heat treatment was carried out to all alloys. In addition to the typical water quenching at 20°C, temperature controlled bath was used where the water was set to 80°C and some samples were quenched in that water. High mean stress values were selected (0.9, 0.8 and 0.7UTS) and load stress ratio (R) was selected to be 0.1. The fatigue test results were analyzed by Weibull and the distributions were compared with metal quality. SEM analysis was carried out on the fracture surface. A good correlation was found between bifilm index and the fatigue properties; as the quality was lowered, the scatter of the test results was increased.
URI: https://hdl.handle.net/11499/8600
ISBN: 9781118296097
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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