EFFECT OF ORIENTATION ON STRESS RESPONSE,FRICTION STRESS AND BACK STRESS DURING CYCLIC DEFORMATION IN Al SINGLE CRYSTALS

Abstract

Abstract: The symmetrical push-pull fatigue tests at strain amplitude of 2×10~3 with different slip orientation of Al single crystals,were carried out at room temperature in air.The peak stresses of various cycles were measured and the stress-strain hysteresis loops for selected cy- cles were recorded.The energy losses.friction stresses,back stresses and shape

Key words: crystal orientation, cyclic deformarion, stress response, energy loss, slip, morphology

XIA Yuebo ZHANG Tianyi State Key Laboratory for Fracture and Failure of Materials.Institute of Metal Research,Academia Sinica.Shenyang.China DENG Jun Shenyang Polytechnical University.China Associate Professor,Institute of Metal Research,Academia Sinica,Shenyang 110015,China. EFFECT OF ORIENTATION ON STRESS RESPONSE,FRICTION STRESS AND BACK STRESS DURING CYCLIC DEFORMATION IN Al SINGLE CRYSTALS[J]. Acta Metallurgica Sinica (English Letters), 1993, 6(1): 67-72.

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EFFECT OF ORIENTATION ON STRESS RESPONSE,FRICTION STRESS AND BACK STRESS DURING CYCLIC DEFORMATION IN Al SINGLE CRYSTALS

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