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第25卷第5期材料科学与工程学报总第109期
Vol 2 5 No 5 Journal of Materials Science & Engineering Oct . 2 0 0 7
文章编号:1673 2812( 2007) 05 0727 04
16MnR 钢奥氏体连续冷却转变曲线( CCT 图)
李红英,丁常伟,张希旺,于振江
( 中南大学材料科学与工程学院,湖南长沙 410083) 2
【摘要】在 Gleeble 1500 热模拟机上测定了 16MnR 钢在不同冷却速度下连续冷却时的膨胀曲线,结合金相
- 硬度法、示差热分析法获得了该钢的连续冷却转变曲线(CCT 曲线) ;研究了 16MnR 钢连续冷却过程中奥氏体转
变过程及转变产物的组织形态,比较了其与同类转变曲线的差别。
【关键词】 16MnR 钢;连续冷却转变曲线;膨胀法;金相- 硬度法; 示差热分析法
中图分类号:TG151. 2 文献标识码:A
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Con2 tinuous Cooling Transformation Curve of under
Cooling Austenite about 16MnR Steel
LI Hong ying ,DING Chang wei , ZHANG Xi wang ,YU Zhen jiang
( Materials Science and Engineering School , Central South University , Changsha 410083 , China)
【Abstract】 The different dilatometric cures of continuous cooling Transformation have determined by Gleeble 1500 thermal mechanical
simulate , bined metallographic analysis hardness measurement and differential thermal analysis T diagram is obtained. The
microstrcture of the product of the continuous cooling transformation occurring in 16MnR and the reason for the difference between 16MnR and
common steel were investigated.
【Key words】 16MnR steel ;continuous cooling transformation curve ;dilatometric test ;metallographic analysis hardness measurement ;
differential thermal analysis
16MnR 钢加工成 6mm × 10mm 和 4mm ×