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| JCOE制管与防腐过程对抗大变形钢性能的影响 | |
| 引用本文： | 杜伟,梁根选,娄琦,李云龙,王长安,杨专钊.JCOE制管与防腐过程对抗大变形钢性能的影响[J].焊管,2011,34(6):20-24. |
| 作者姓名： | 杜伟 梁根选 娄琦 李云龙 王长安 杨专钊 |
| 作者单位： | 1. 中国石油集团石油管工程技术研究院,西安710065;北京隆盛泰科石油管科技有限公司,北京100101 2. 宝鸡石油钢管有限责任公司,陕西宝鸡,721008 3. 中国石油集团石油管工程技术研究院,西安,710065 |
| 摘 要： | 比较了A,B和C三种抗大变形钢板组织及性能,B和C组织中多边形铁素体含量更高,抗大变形能力较好.JCOE制管中三种钢板加工硬化明显,制管后屈服强度、屈强比显著上升,均匀延伸率、形变强化指数下降.通过热模拟方法研究了钢管防腐中应变时效作用.研究发现,应变时效程度与钢的组织有关,其中以针状铁素体为主的A试样应变时效更显著,... |
| 关 键 词： | 抗大变形钢 应变时效 均匀延伸率 形变强化指数(n) |
The Effects of JCOE Manufacture and Coating Process on Properties of High Deformability Steel |
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| DU Wei,LIANG Gen-xuan,LOU Qi,LI Yun-long,WANG Chang-an,YANG Zhuan-zhao.The Effects of JCOE Manufacture and Coating Process on Properties of High Deformability Steel[J].Welded Pipe and Tube,2011,34(6):20-24. | |
| Authors: | DU Wei LIANG Gen-xuan LOU Qi LI Yun-long WANG Chang-an YANG Zhuan-zhao |
| Affiliation: | 1,2(1.CNPC Tubular Goods Research Institute,Xi’an 710065,China; 2.Beijing Longshine Oil Tubular Technology Co.,Ltd.,Beijing 100101,China;3.Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,Shaanxi,China) |
| Abstract: | Microstructure and properties of three kinds of high deformability steel plate(A,B,C) are compared.In B and C structure the polygonal ferrite content was higher,and it possessed greater high deformation resistance.Due to strong hardening effect,the yield strength and Y/T ratio increased significantly after JCOE,uniform elongation and strain hardening exponent decreased.By thermal simulation method,the effect of strain aging in coating process was studied.The results showed that the degree of strain aging was in connection with structure,strain aging in A was more obvious,and the continuous yield behavior of A was not obvious after strain aging.Compared the final properties,it found that C possessed dual phase microstructure of polygonal ferrite and bainite layered overlapping distribution,its high deformation resistance ability was the best,Y/T ratio(0.79) was the lowest,uniform elongation(7.5%)and strain hardening exponent(n=0.12)were the highest. |
| Keywords: | high deformability steel strain aging uniform elongation strain hardening exponent(n) |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
