固溶温度对ZG0Cr26Ni5Mo2N铸造双相不锈钢组织的影响  

Effect of Solution Temperature on The microstructure of ZG0Cr26Ni5Mo2N Duplex Stainless Steel

作　　者：张豪[1] 董飞[1] 吴智信[1] 李镜银[1] 陈继志[1] 

机构地区：[1]洛阳船舶材料研究所,河南洛阳471039

出　　处：《热处理技术与装备》2008年第2期30-33,共4页Heat Treatment Technology and Equipment

摘　　要：针对相比例控制的技术难点,以双相不锈钢0Cr26Ni5Mo2N为基础,通过对铸造0Cr25Ni5Mo2N双相不锈钢进行系列温度固溶处理,研究了固溶温度对铸造双相不锈钢组织的影响。研究结果表明:1)当固溶温度在980～1120℃时,随着固溶温度的提高,0Cr25Ni5Mo2N钢中的铁素体相含量几乎呈直线上升。2)采用980～1120℃进行固溶处理时,铁素体基体上分布的长条状、块状和魏氏组织形态的奥氏体的原有尖角边界逐渐钝化,奥氏体本身分解、球化,弥散分布在铁素体基体上,固溶处理温度越高,奥氏体分解、球化程度越高。The effect of temperature of solution treatment on the microstructure of ZGOCr26Ni5Mo2N duplex stainless steel was studied in this paper. The results are as follow： 1 ） When the solution temperature between 980 ℃ and 1120 ℃,the content of α ferrite increased with the increase of temperature. 2）The boundary of strip and block austenite distributed in the ferrite dissolved , and austenite conglobated and dispersalled in the ferrite matrix as the solution temperature increased. The higher temperature ,the higher rate the austenite conglobated and dissolved.

关 键 词：双相不锈钢 固溶处理 相比例 

分 类 号：TG156.94[金属学及工艺—热处理]