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7. 热老化1000和3000 h铸态和锻态Z3CN20-09M双相不锈钢的冲击断口表面形貌

Fig.7. Fracture surface morphologies of Z3CN20-09M duplex stainless steel before (a, c) and after 20% hot forged reduction+solution treatment at 1050 ℃ for 1 h (b, d) aged for 1000 h (a, b) and 3000 h (c, d)