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Low cycle thermal fatigue and microstructural change of AC2B-T6 aluminum alloy

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Title: Low cycle thermal fatigue and microstructural change of AC2B-T6 aluminum alloy
Authors: Sasaki, Katsuhiko1 Browse this author →KAKEN DB
Takahashi, Tsuyoshi Browse this author
Authors(alt): 佐々木, 克彦1
Keywords: Low cycle thermal fatigue
Aluminum alloy
Issue Date: 2-Aug-2005
Publisher: Elsevier Ltd
Journal Title: International Journal of Fatigue
Volume: 28
Issue: 3
Start Page: 203
End Page: 210
Publisher DOI: 10.1016/j.ijfatigue.2005.06.025
Abstract: Low cycle thermal fatigue tests were conducted using an aluminum alloy AC2B-T6, which is widely used in diesel engines, especially, in cylinder heads. Specimens made of the AC2B-T6 alloy were subjected to thermal fatigue with thermo-mechanical loadings over several temperature ranges, symmetric and asymmetric strain amplitudes, and cycle periods. These test conditions are chosen considering realistic running conditions of diesel engines. A method to predict time to fatigue failure under the test conditions is proposed. The specimens were also observed by transmission electron microscope (TEM) to clarify the effects of temperature, strain amplitude, and cycle period on microstructural changes such as precipitates. Finally, the relationship between the microstructural changes and the low cycle thermal fatigue is discussed.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 佐々木 克彦

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