热处理工艺对N08810焊接接头强度的影响  

The influence of heat treatment process on the strength of N08810 welded joint

作　　者：刘玉祥 Liu Yuxiang

机构地区：[1]森松(江苏)重工有限公司上海分公司,上海201323

出　　处：《大型铸锻件》2021年第6期26-28,49,共4页Heavy Casting and Forging

摘　　要：介绍了N08810镍基合金的性能及焊接材料的选用,采用焊条电弧焊焊接方法焊接,焊接接头在焊后态及进行消应力热处理、稳定化热处理、固溶处理等不同的热处理后进行拉伸强度试验,并对不同热处理状态的焊接接头进行了硬度试验及微观试验,根据微观试验的结果分析了碳化物析出相对强度及硬度的影响。The properties of N08810 nickel-based alloy and the selection of welding materials have been introduced.The electrode arc welding has been adopted,and the welded joints are subjected to tensile test after different heat treatments such as stress relief heat treatment,stabilization heat treatment,and solution treatment.Hardness tests and microscopic tests have been carried out on welded joints in different heat treatment states.According to the results of the microscopic tests,the influence of carbide precipitates on the relative strength and hardness has been analyzed.

关 键 词：N08810镍基合金 焊条电弧焊 热处理 拉伸强度 微观组织 

分 类 号：TG156[金属学及工艺—热处理]