Fatigue deformation of 1050 aluminum in ultrasonic fatigue testing.
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概要
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Ultrasonic fatigue tests have been performed on commercial 1050 aluminum. Internal friction (Q-1) has been measured during fatigue tests and as a function of strain amplitude (ε). It is shown that more than 109 cycles test is necessary in order to determine the fatigue limit. Q-1 versus ε curves have the inflection points at particular strain amplitude which corresponds to the strain at fatigue limit. Below this strain amplitude, Q-1 does not change and any slip bands are not observed on the specimen surface fatigued for 1010 cycles.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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