High Strength Non-moderate Ferrite/Granular Bainite Steel for Thick Plate

机译：厚板用高强度非中性铁素体/贝氏体钢

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A non-moderate allotriomorphic ferrite/granular bainite (F_(GBA)/Bg) duplex steel was studied for the application of thick plate. The plates of 10-40 mm in thickness have a tensile strength of about 800 to 1000MPa, and elongation larger than 10% after hot rolling and air cooling. The prior compressive deformation of austenite followed by air cooling was simulated by gleeble machine on the grain boundary F_(GBA)/Bg dual phase steel. The results of HRC hardness and CVN experiments show that the prior austenite deformation with air cooling is an effective way to improve both the strength and toughness of this dual phase steel.

机译：研究了一种非中等的同素异形铁素体/颗粒贝氏体（F_（GBA）/ Bg）双相钢在厚板中的应用。厚度为10-40mm的板具有约800至1000MPa的抗拉强度，并且在热轧和空气冷却后的伸长率大于10％。利用格莱布尔机在晶界F_（GBA）/ Bg双相钢上模拟了奥氏体先压缩变形后空冷的过程。 HRC硬度和CVN实验的结果表明，先有的奥氏体空冷变形是提高这种双相钢强度和韧性的有效方法。

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《Iron Steel Supplement 2005 vol.40: The Joint International Conference of HSLA Steels 2005 and ISUGS 2005》|2005年|P.877-881|共5页
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Z.-G. Yang; Li Yu; C. Zhang; Y.-W Wang; B.-Z. Bai; H.-S. Fang;
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正文语种
中图分类钢铁冶炼（黑色金属冶炼）（总论）;
关键词
grain refinement; grain boundary allotriomorphic ferrite; granular structure; granular bainite;

机译：晶粒细化;晶界同素异形铁素体;颗粒结构;颗粒贝氏体;

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机译：在高强度钢（S700MC / S960QC）不同焊缝中形成的贝氏体 - 铁氧体结构的表征及其对冷却时间的依赖性

High Strength Non-moderate Ferrite/Granular Bainite Steel for Thick Plate

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