Effect of bainitic transformation combined with hot forming on the microstructure and mechanical properties of bainite-martensite multiphase steel

Zhao Jingli; Zhao Xianming; Dong Chunyu; Zhao Xiaoyu; Kang Shouxu

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Effect of bainitic transformation combined with hot forming on the microstructure and mechanical properties of bainite-martensite multiphase steel

机译：贝氏体相变结合热成形对贝氏体-马氏体多相钢组织和力学性能的影响

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We have investigated the effect of introducing hot deformation and bainite isothermal treatment to the quenching-partitioning process for steel on the mechanical properties. The results indicate that the number of bainite-nucleation sites increase and the total elongation improves by deforming the steel and subsequently refining the martensite sheaves. Following this process, an excellent strength-elongation product of 27.5 GPa% is obtained.

机译：我们已经研究了将热变形和贝氏体等温处理引入到钢的淬火分区过程中对力学性能的影响。结果表明，通过使钢变形并随后细化马氏体滑轮，贝氏体成核点的数量增加，总伸长率提高。通过该过程，获得了27.5GPa％的优异的强度-伸长率乘积。

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来源
《Materials Science and Engineering》 |2018年第25期|102-106|共5页
作者
Zhao Jingli; Zhao Xianming; Dong Chunyu; Zhao Xiaoyu; Kang Shouxu;
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作者单位

Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China;

Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China;

Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China;

Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China;

Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China;

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正文语种 eng
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关键词
Hot forming; Intracrystalline bainitic ferrite; Microstructure; Phase transformation; Mechanical properties;

机译：热成形晶内贝氏体铁素体显微组织相变力学性能;

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2. Experimental and theoretical analysis of multiphase microstructure in a newly designed MnSiCrC quenched and partitioned steel to promote bainitic transformation: The significant impact on mechanical properties [J] . An B., Zhang C., Gao G., Materials Science and Engineering . 2019,第May29期

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3. Effect of bainitic isothermal transformation plus Q & P process on the microstructure and mechanical properties of 0.2C bainitic steel [J] . Yuyin Huang, Qiangguo Li, Xuefei Huang, Materials Science and Engineering . 2016,第deca10期

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Effect of bainitic transformation combined with hot forming on the microstructure and mechanical properties of bainite-martensite multiphase steel

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