作者简介:秦兴文(1990－)，男，硕士，工程师;E-mail:qinxingwen@jiuli．com。收稿日期:2022-10-14DOI:10．20057/j．1003-8620．2022-00140固溶处理温度对冷轧Inconel601镍基合金管材组织及性能的影响秦兴文，王坤，蔡珑，杨小平，纪怀安(浙江久立特材科技股份有限公司，湖州313028)摘要:通过金相显微镜、扫描电子显微镜、力学试验和腐蚀试验等研究了960～1040℃固溶温度对冷轧Inconel601合金管材微观组织和性能的影响。固溶温度从960℃升高到1040℃时，合金管再结晶晶粒尺寸逐渐长大，长大速率先慢后快，这主要与析出相的溶解和元素活度有关。此温度范围内，保温15min的晶粒长大激活能为393．08kJ/mol，且合金的拉伸性能与晶粒尺寸之间的关系满足Hall-Petch关系式。固溶温度约在1020℃时，硬度曲线与延伸率曲线出现交点，此时的腐蚀速率也较低且稳定。1020℃保温15min为Inconel601合金Φ159．2mm×5．1mm管的最优固溶处理工艺。关键词:Inconel601合金;固溶处理;组织;冷轧EffectofSolutionTreatmentTemperatureonMicrostructureandPropertiesofColdＲolledInconel601Nicked-BasedAlloyPipeQinXingwen，WangKun，CaiLong，YangXiaoping，JiHuaian(ZhejiangJiuliHi-TechMetalsCo．，Ltd．，Huzhou313028)Abstract:Theeffectof960-1040℃solutiontemperatureonthemicrostructureandpropertiesofcold-rolledInconel601alloypipeisstudiedbymetallographicmicroscope，scanningelectronmicroscope，mechanicaltestandcorrosiontest．Whenthesolutiontemperaturerisesfrom960℃to1040℃，thesizeofrecrystallizedgrainsofalloypipegraduallyincreases，andthegrowthrateisslowatfirstandthenfast，whichismainlyrelatedtothedissolutionoftheprecipitatesphaseandtheactivityoftheelements．Inthistemperaturerange，theactivationenergyofgraingrowthafterholdingfor15minutesis393．08kJ/mol，andtherelationshipbetweenthetensilepropertiesandgrainsizeofalloymeetstheHall-Petchrelation-ship．Whenthesolutiontemperatureisabout1020℃，thehardnesscurveandtheelongationcurveappearattheintersec-tion，andthecorrosionrateatthistimeisalsolowandstable．TheoptimalsolutiontreatmentprocessforInconel601alloyisat1020℃insulationfor15min．KeyWords:Inconel601Alloy;SolutionTreatment;Structure;ColdＲolledInconel601合金因具有良好的稳定性...
