Effects of long-term thermal aging on elevated temperature deformation behaviors of wrought 316LN stainless steel by small punch test

The deformation behaviors of as-received and thermal aged wrought 316LN austenitic stainless steel (ASS) were investigated at 350 °C by small punch test (SPT) in order to evaluate the effects of long-term thermal aging on the elevated temperature deformation behaviors of the wrought ASS. The results showed that long-term thermal aging at 400 °C had obvious influences on the density and structure of dislocations, hence affecting the deformation...