| 大线能量焊接用钢热影响区组织和性能的研究进展 |
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| 引用本文： | 习天辉,陈晓,袁泽喜. 大线能量焊接用钢热影响区组织和性能的研究进展[J]. 特殊钢, 2003, 24(5): 1-5 |
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| 作者姓名： | 习天辉 陈晓 袁泽喜 |
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| 作者单位： | 1. 武汉钢铁(集团)公司技术中心
2. 武汉科技大学材料与冶金学院,武汉,430081 |
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| 摘 要： | 工程结构向大型化、高参数化方向发展，促进了大线能量焊接技术的应用，因此使传统的低合金高强度钢焊接粗晶热影响区(CGHAZ)的性能恶化，相应地对钢板提出了抗大线能量焊接的要求。为提高CGHAZ的性能，国内外广泛研究奥氏体晶粒、二次组织和针状铁素体对CGHAZ性能的影响。Ti微合金化和针状铁素体组织有利于提高CGHAZ的综合性能。
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| 关 键 词： | 大线能量焊接 粗晶热影响区 针状铁素体 钛微合金化 低合金高强度钢 组织 性能 |
| 修稿时间： | 2003-04-30 |
Progress in Research on Structure and Properties of Heat Affected Zone of Steel for High Heat Input Welding |
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| Xi Tianhui,Chen Xiao and Yuan Zexi. Progress in Research on Structure and Properties of Heat Affected Zone of Steel for High Heat Input Welding[J]. Special Steel, 2003, 24(5): 1-5 |
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| Authors: | Xi Tianhui Chen Xiao Yuan Zexi |
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| Abstract: | The development of engineering structure to large scale and parameter results in application of high heat input welding technology, which lead to properties of coarse grain heat affected zone (CGHAZ) of traditional low alloy high strength steel (HSLA) getting worse, therefore steel plate shall meet requirement for the high heat input welding. In order to increase properties of CGHAZ, the effect of austenite grain, secondary structure and acicular ferrite on properties of CGHAZ has been investigated widely at home and abroad. It is available to increase the comprehensive properties of CGHAZ by Ti microalloying and forming acicular ferrite. |
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| Keywords: | High Heat Input Welding Coarse Grain Heat Affected Zone Acicular Ferrite Ti Microalloying |
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