强磁场下冷却速度对Fe--0.12%C合金显微组织的影响

材料研究学报

2009, Vol. 23

Issue (1): 49-53

研究论文

本期目录 | 过刊浏览

强磁场下冷却速度对Fe--0.12%C合金显微组织的影响

宋建宇; 赵骧; 宫明龙; 王守晶; 左良

东北大学材料各向异性和织构教育部重点实验室沈阳 110004

Influence of cooling rates on the morphology of pearlite in Fe--0.12%C alloy under high magnetic field

SONG Jianyu; ZHAO Xiang; GONG Minglong; WANG Shoujing; ZUO Liang

Key Laboratory for Anisotropy and Texture of Materials of Ministry of Education; Northeastern University; Shenyang 110004

引用本文:

宋建宇赵骧宫明龙王守晶左良. 强磁场下冷却速度对Fe--0.12%C合金显微组织的影响[J]. 材料研究学报, 2009, 23(1): 49-53.
, , , , . Influence of cooling rates on the morphology of pearlite in Fe--0.12%C alloy under high magnetic field[J]. Chin J Mater Res, 2009, 23(1): 49-53.

全文: PDF(572 KB)

摘要:

研究了强磁场(12T)下冷却速度对Fe--0.12%C合金中的珠光体组织形貌的影响. 结果表明: 强磁场下珠光体团的长轴方向与磁场方向平行且伸长的程度随其冷却速度的提高而减弱. 板平面平行于磁场方向比垂直于磁场方向放置的试样的珠光体面积分数低, 同时珠光体团长轴方向与磁场方向平行且伸长的程度也低. 最后, 探讨了强磁场下珠光体组织形貌的演变机理.

关键词 ：金属材料, 强磁场, 扩散型固态相变, 铁碳合金, 珠光体, 冷却速度

Abstract：

The influence of cooling rates on the morphology of pearlite in Fe--0.12%C alloy under high magnetic field (12T) was investigated. It is shown that the long axes of pearlite colonies tend to align and elongate along the magnetic field direction, and such tendencies become weak as the cooling rates increases. The pearlite percentage in the sample placed with its plate plane parallel to the magnetic field direction reduces as compared with the one placed with its plate plane perpendicular to the field direction. Meanwhile, the tendencies of elongation of pearlite colonies and alignment of their long axes along the magnetic field direction decreases. Finally, the mechanism of magnetic field on the morphology of pearlite evolution is discussed.

Key words： metallic materials high magnetic field diffusional solid state phase transformation Fe--C alloy pearlite cooling rates

收稿日期: 2008-03-05

ZTFLH:

TG113

基金资助:

国家自然科学面上基金50771026和高等学校创新引智计划B07015资助项目.

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https://www.cjmr.org/CN/ 或 https://www.cjmr.org/CN/Y2009/V23/I1/49

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