financially supported by the National Natural Science Foundation of China(No.50775107);the China Petrochemical Corporation(No.315007);the Innovation Program for Graduate Students in Jiang Su Province of China(No.KYLX15_-0800)
A series of tensile tests, Charpy impact tests, optical microscopy observations, and field emission-scanning electron microscopy examinations, were carded out to investigate the mechanical properties and microstructur...