D-1 最新の材料強度学 : 疲労と破壊力学,計測技術(技術士会と材力部門の交流セッション,技術士会と機械学会の連携セッション(市民フォーラム))

概要

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This paper describes recent advances in experimental techniques for fatigue and fracture of materials. First, ultrasonic fatigue experiment is introduced and the example of the results of very high-cycle fatigue is demonstrated. In order to investigate the fracture mechanism, conventional technique of plastic replica is still a powerful tool when it is observed by atomic force microscope (AFM). Also shown is an example of this technique for fatigue crack initiation under low cycle fatigue. Second, recent development of indentation technique is introduced including the measurement of elasto-plastic stress-strain response, creep deformation and strength of thin film.
一般社団法人日本機械学会の論文
2010-10-09