稀土La对C-Mn-Si钢静态软化行为的影响  

Effect of La on Static Softening Behavior of C-Mn-Si Steel

作　　者：郜慧敏[1] 方琪[1] 孙伟[1] 

机构地区：[1]内蒙古科技大学,内蒙古包头114010

出　　处：《世界有色金属》2017年第11期267-269,共3页World Nonferrous Metals

摘　　要：本文利用Gleeble-1500D型热模拟试验机通过双道次热压缩试验,研究了变形工艺以及稀土La对C-Mn-Si钢静态软化行为的影响。结果表明:相同道次间隙时间,变形温度越高,C-Mn-Si钢的静态再结晶分数越大。相同变形温度,道次间隙时间越长,C-Mn-Si钢的静态再结晶分数越大。相同的变形温度和道次间隙时间,稀土元素La的含量越多,C-Mn-Si钢的静态再结晶体积分数越大。在实验基础上,利用静态再结晶模型计算出静态再结晶激活能。Abstract： Based on double-passes thermo-conlpression experinaent, the defimnation process and the effect of La on the static softening behavior of C-Mn-Si steel were studied by Gleeble-1500D thermal simulator machine. The results show that the softening ratio of C-Mn-Si steel increases with the increase of deformation temperature at the same interval time. The softening ratio of C-Mn-Si steel increases with the increase of interval time at the same deformation temperature. The softening ratio of C-Mn-Si steel increases with the increase of the La content at the same detormation temperature and interval time. The static recrystallization activation energy was calculated by static recrystallization model.

关 键 词：C-Mn-Si铜 静态软化 稀土La 

分 类 号：D996.9[政治法律—环境与资源保护法学]