| X80管线钢相变点测定与分析研究 |
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| 引用本文： | 王道远,刘春明,黄贞益,王伟.X80管线钢相变点测定与分析研究[J].物理测试,2011,29(4):27-31. |
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| 作者姓名： | 王道远 刘春明 黄贞益 王伟 |
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| 作者单位： | 1. ;2. ?????????;3. ???????????????; |
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| 基金项目： | 江苏省科技成果转化专项资金资助项目(BA2006015) |
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| 摘 要： | 利用Gleeble-3800热模拟试验机对X80管线钢再结晶终止温度Tnr和CCT曲线进行测定分析,并利用差热分析试验方法确定试验钢的相变温度范围。结果表明：X80管线钢的再结晶终止温度为1 065℃,AC1和AC3分别为749℃和863℃,而钢中析出物大量溶解的温度在1 050℃,贝氏体相变温度为483℃;从测得的C...
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| 关 键 词： | 管线钢 X80 相变点 差热分析 |
Measurement and Analysis of Phase Transformation Temperature of X80 Pipeline Steel |
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| WANG Dao-yuan,LIU Chun-ming,HUANG Zhen-yi,WANG Wei.Measurement and Analysis of Phase Transformation Temperature of X80 Pipeline Steel[J].Physics Examination and Testing,2011,29(4):27-31. |
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| Authors: | WANG Dao-yuan LIU Chun-ming HUANG Zhen-yi WANG Wei |
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| Affiliation: | WANG Dao-yuan1,LIU Chun-ming1,HUANG Zhen-yi2,WANG Wei2 (1.School of Materials and Metallurgy Northeastern University,Shenyang 110004,Liaoning,China,2.School of Mechanical Engineering Anhui University of Technology,Ma'anshan 243002,Anhui China) |
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| Abstract: | In this paper,recrystallization terminal temperature Tnr and CCT curves of X80 pipeline steel were measured and analyzed by Gleeble-3800 thermal simulation testing machine,and the range of the phase transition temperature was determined with differential thermal analysis method.The results showed that: the recrystallization terminal temperature is 1 065 ℃,Ac1 and Ac3 are 749 ℃ and 863 ℃,a large number of precipitates dissolve when the temperature is 1 050 ℃,bainitic transformation temperature is 483 ℃,it can be seen that from measured CCT curve:the cooling rate range of formation acicular ferrite is wide.The microstructure is acicular ferrite when the cooling rate is 10-40 ℃/s.The conclusions provide the basis to controlled rolling and controlled cooling of X80 pipeline steel. |
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| Keywords: | pipeline steel X80 phase transformation temperature differential thermal analysis |
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