Inelastic Behavior and Low Cycle Fatigue of Aluminum Alloy Subjected to Thermo-Mechanical Loading

Takahashi, Tsuyoshi; Koike, Asao; Sasaki, Katsuhiko

doi:10.4271/980688

Cited by 6 publications

(2 citation statements)

References 13 publications

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“…An electro-hydraulic servo testing machine, MTS 810, was used for the thermal fatigue tests. Strain was measured by using an extensometer, the MTS model 632, 50C-05 [13]. The test 6/20 pieces were heated by an induction heating apparatus, Shimada-Rika SST-20L.…”

Section: Specimens and Testing Machinementioning

confidence: 99%

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

Sasaki

Takahashi²

2006

International Journal of Fatigue

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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

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Section: Specimens and Testing Machinementioning

confidence: 99%

“…In these studies, however, the microstructural characteristics such as precipitates and dislocation densities were not evaluated quantitatively, and very few thermal fatigue tests of aluminum alloys for engine parts have been conducted under actual engine running conditions [13].…”

Section: Introductionmentioning

confidence: 99%