| 控冷工艺对冷镦钢SCM435组织及退火的影响 |
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| 引用本文： | 陈占杰,张全刚,宋万平,翟林甫,张晓锋.控冷工艺对冷镦钢SCM435组织及退火的影响[J].河南冶金,2014,22(5):28-30. |
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| 作者姓名： | 陈占杰 张全刚 宋万平 翟林甫 张晓锋 |
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| 作者单位： | 安阳钢铁集团有限责任公司 |
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| 摘 要： | 研究在不同控冷工艺下,合金冷镦钢SCM435相变过程中珠光体退化及退火效果.采用降低吐丝温度,提高斯太尔摩冷却线辊道速度,同时打开保温罩等工艺,得到均匀退化的理想珠光体组织,该组织在较短的退火时间下,得到均匀的球化组织,利于大变形量冷镦加工.探讨在控冷工艺下珠光体的退化,优化现有生产工艺.
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| 关 键 词： | 退化珠光体 控冷工艺 SCM435 球化退火 组织 |
INFLUENCE OF CONTROLLED COOLING ON MICROSTRUCTURE AND ANNEALING OF COLD HEADING STEEL SCM435 |
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| Chen Zhanjie,Zhang Quangang,Song Wanping,Zhai Linfu,Zhang Xiaofeng.INFLUENCE OF CONTROLLED COOLING ON MICROSTRUCTURE AND ANNEALING OF COLD HEADING STEEL SCM435[J].Henan Metallurgy,2014,22(5):28-30. |
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| Authors: | Chen Zhanjie Zhang Quangang Song Wanping Zhai Linfu Zhang Xiaofeng |
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| Affiliation: | Chen Zhanjie Zhang Quangang Song Wanping Zhai Linfu Zhang Xiaofeng (Anyang Iron and Steel Group Co. , Ltd) |
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| Abstract: | A study has been made on the effect of pearlite degeneration and annealing during the phase transformation of cold heading steel SCM435 under different controlled cooling. The ideal uniform degenarated pearlite structure is ob- tained by reducing the spinning temperature, increasing the roller speed of Stelmor cooling line as well as opening the insu- lation cover. The ideal pearlite is able to transform to auniform spheroidized structure under a short time annealing that is benefit to the big deformation cold heading production. The pearlite degeneration under controlled cooling is discussed and the present process is optimized. |
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| Keywords: | degenerate pearlite controlled cooling SCM435 spheroidizing annealing microstructure |
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