热加工对Z3CN20-09M双相不锈钢组织及热老化冲击断裂行为的影响

张海,李时磊,刘刚,王艳丽(

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Effects of Hot Working on the Microstructure and Thermal Ageing Impact Fracture Behaviors of Z3CN20-09MDuplex Stainless Steel

Hai ZHANG,Shilei LI,Gang LIU,Yanli WANG(

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图4. Z3CN20-09M双相不锈钢铁素体和奥氏体纳米硬度随热老化时间的变化

Fig.4. Change of nano-hardness with ageing time for austenite and ferrite in Z3CN20-09M duplex stainless steel before (a) and after 20% hot forged reduction+solution treatment at 1050 ℃ for 1 h (b)