Excellent Heat Affected Zone Toughness Technology Improved by Use of Strong Deoxidizers

机译：通过使用强脱氧剂改善了卓越的热影响区韧性技术

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Excellent Heat Affected Zone Toughness Technology Improved by use of Strong Deoxidizers (ETISD Technology) has been developed by Baosteel. When deoxidation of molten steel is conducted at the precisely controlled oxygen concentrations, the formation of the micro-meter inclusions and the nanometer precipitates in the steel plate can be effectively controlled. During the welding process with high-heat input, the formation of acicular ferrite can be selectively promoted with the aid of micro-meter inclusions; the growth of y grain can also be selectively restrained by the pinning effect of nano-meter precipitates. After welding with highheat input of 400 kJ/cm, excellent heat affected zone toughness can be obtained for the steel plates with both of the above microstructures, and the average absorbed energy is greater than 200 J for V notch Charpy impact test at -20℃.

机译：宝钢开发了通过使用强脱氧剂改进的出色的热影响区韧性技术（ETISD技术）。当在精确控制的氧浓度下进行钢水的脱氧时，可以有效地控制钢板中微米夹杂物和纳米沉淀物的形成。在高热量输入的焊接过程中，借助微米级夹杂物可以选择性地促进针状铁素体的形成。 y晶粒的生长还可以通过纳米沉淀物的钉扎效应来选择性地抑制。焊接后以400 kJ / cm的高热量输入，具有上述两种组织的钢板可获得出色的热影响区韧性，并且在-20℃下进行V缺口夏比冲击试验时，平均吸收能大于200J。。

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来源
《The 2nd International symposium on clean steel》|2011年|141-147|共7页
会议地点 Shenyang(CN)
作者
YANG Jian; ZHU Kai; WANG Rui-zhi; SHEN Jian-guo;
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作者单位

Metallurgical Process Department, Research Institute, Baoshan Iron and Steel Co Ltd, Shanghai 201900, China;

Metallurgical Process Department, Research Institute, Baoshan Iron and Steel Co Ltd, Shanghai 201900, China;

Metallurgical Process Department, Research Institute, Baoshan Iron and Steel Co Ltd, Shanghai 201900, China;

Metallurgical Process Department, Research Institute, Baoshan Iron and Steel Co Ltd, Shanghai 201900, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类炼钢;
关键词
high-heat input welding; heat affected zone; toughness; oxide metallurgy; inclusions;

机译：高热量输入焊接；热影响区；韧性;氧化物冶金夹杂物;

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专利

1. Excellent heat affected zone toughness technology improved by strong deoxidizers [J] . YANG Jian, ZHU Kai, WANG Ruizhi, 宝钢技术研究（英文版） . 2010,第004期

机译：强大的脱氧剂改善了出色的热影响区韧性技术
2. Transformation behavior of a Ti-Zr deoxidized steel: Microstructure and toughness of simulated coarse grain heat affected zone [J] . C. Wang, R.D.K. Misra, M.H. Shi, Materials Science and Engineering . 2014,第jana31期

机译：Ti-Zr脱氧钢的相变行为：模拟粗粒热影响区的组织和韧性
3. Influence of Oxide Particles and Residual Elements on Microstructure and Toughness in the Heat-Affected Zone of Low-Carbon Steel Deoxidized with Ti and Zr [J] . Hideaki SUITO, Andrey Vladimirovich KARASEV, Masahiko HAMADA, ISIJ international . 2011,第7期

机译：氧化物颗粒和残留元素对Ti和Zr脱氧的低碳钢热影响区组织和韧性的影响
4. Excellent Heat Affected Zone Toughness Technology Improved by Use of Strong Deoxidizers [C] . YANG Jian, ZHU Kai, WANG Rui-zhi, International symposium on clean steel . 2011

机译：优异的热影响区域韧性技术通过使用强脱氧剂改善
5. Fracture Toughness of NUCu-140 Simulated Heat Affected Zones. [D] . Leister, Brett. 2011

机译：NUCu-140模拟热影响区的断裂韧性。
6. Impact Toughness of Subzones in the Intercritical Heat-Affected Zone of Low-Carbon Bainitic Steel [O] . Zhenshun Li, Xuemin Zhao, Dongri Shan 2018

机译：低碳贝氏体钢在临界热影响区中子区的冲击韧性
7. Influence of Oxide Particles and Residual Elements on Microstructure and Toughness in the Heat-Affected Zone of Low-Carbon Steel Deoxidized with Ti and Zr [O] . Hideaki Suito, Andrey Vladimirovich Karasev, Masahiko Hamada, 2011

机译：氧化物颗粒和残余元素对用Ti和Zr脱氧的低碳钢热影响区的微观结构和韧性
8. Effects of Heat-Affected Zones on the Fracture Toughness of 9% Nickel Steel Used in LNG (Liquefied Natural Gas) Storage Tanks. Volume 1. Final Report September 1982-January 1986 [R] . Willoughby, A. A. , Hayes, B. 1986

机译：热影响区对LNG（液化天然气）储罐9％镍钢断裂韧性的影响。第1卷1982年9月至1986年1月的最终报告

Excellent Heat Affected Zone Toughness Technology Improved by Use of Strong Deoxidizers

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