To investigate recrystallization behaviors of the alloy IC10,tensile experiments are conducted over a wide range of strain rates（10-4—10-2 s-1）at 900°C by using a material testing system（MTS809）.Experimental...To investigate recrystallization behaviors of the alloy IC10,tensile experiments are conducted over a wide range of strain rates（10-4—10-2 s-1）at 900°C by using a material testing system（MTS809）.Experimental results show that：（1）The flow stress is sensitive to the strain rate while the stress-strain curve at various strain rates exhibit the similar features;（2）The flow stress,the critical stress and the critical strain increase with strain rates.And the mechanisms of these properties are studied based on the examinations of transmission electron microscopy（TEM）and scanning electron microscopy（SEM）.In order to study the flow features of IC10,a new phenomenological constitutive model is developed.The effectiveness of the model is verified by extensive experiments on IC10.展开更多
基金Supported by the Aviation Science Foundation of China(08B52002)~~
文摘To investigate recrystallization behaviors of the alloy IC10,tensile experiments are conducted over a wide range of strain rates（10-4—10-2 s-1）at 900°C by using a material testing system（MTS809）.Experimental results show that：（1）The flow stress is sensitive to the strain rate while the stress-strain curve at various strain rates exhibit the similar features;（2）The flow stress,the critical stress and the critical strain increase with strain rates.And the mechanisms of these properties are studied based on the examinations of transmission electron microscopy（TEM）and scanning electron microscopy（SEM）.In order to study the flow features of IC10,a new phenomenological constitutive model is developed.The effectiveness of the model is verified by extensive experiments on IC10.
