钛微合金化Q345R容器板的强化机理

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钛微合金化Q345R容器板的强化机理

周家林, 赖春明, 潘成刚, 皮昕宇, 胡唐国

文章导航 > 钢铁钒钛 > 2014 > 35(1): 54-58

周家林, 赖春明, 潘成刚, 皮昕宇, 胡唐国. 钛微合金化Q345R容器板的强化机理[J]. 钢铁钒钛, 2014, 35(1): 54-58. doi: 10.7513/j.issn.1004-7638.2014.01.011

引用本文:

周家林, 赖春明, 潘成刚, 皮昕宇, 胡唐国. 钛微合金化Q345R容器板的强化机理[J]. 钢铁钒钛, 2014, 35(1): 54-58. doi: 10.7513/j.issn.1004-7638.2014.01.011

Zhou Jialin, Lai Chunming, Pan Chenggang, Pi Xinyu, Hu Tangguo. Strengthening Mechanism of the Ti-microalloyed Container Plate Q345R[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(1): 54-58. doi: 10.7513/j.issn.1004-7638.2014.01.011

Citation:

Zhou Jialin, Lai Chunming, Pan Chenggang, Pi Xinyu, Hu Tangguo. Strengthening Mechanism of the Ti-microalloyed Container Plate Q345R[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(1): 54-58. doi: 10.7513/j.issn.1004-7638.2014.01.011

周家林, 赖春明, 潘成刚, 皮昕宇, 胡唐国. 钛微合金化Q345R容器板的强化机理[J]. 钢铁钒钛, 2014, 35(1): 54-58. doi: 10.7513/j.issn.1004-7638.2014.01.011

引用本文:

周家林, 赖春明, 潘成刚, 皮昕宇, 胡唐国. 钛微合金化Q345R容器板的强化机理[J]. 钢铁钒钛, 2014, 35(1): 54-58. doi: 10.7513/j.issn.1004-7638.2014.01.011

Zhou Jialin, Lai Chunming, Pan Chenggang, Pi Xinyu, Hu Tangguo. Strengthening Mechanism of the Ti-microalloyed Container Plate Q345R[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(1): 54-58. doi: 10.7513/j.issn.1004-7638.2014.01.011

Citation:

Zhou Jialin, Lai Chunming, Pan Chenggang, Pi Xinyu, Hu Tangguo. Strengthening Mechanism of the Ti-microalloyed Container Plate Q345R[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(1): 54-58. doi: 10.7513/j.issn.1004-7638.2014.01.011

钛微合金化Q345R容器板的强化机理

doi: 10.7513/j.issn.1004-7638.2014.01.011

1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室, 湖北武汉 430081;
2. 武汉钢铁股份有限公司, 湖北武汉 430083

作者简介:
周家林(1966-),男,湖北安陆人,副教授,主要从事材料成型过程中的数值模拟及新产品和新技术开发研究

中图分类号: TF823,TG142
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出版历程
- 收稿日期: 2013-04-18

Strengthening Mechanism of the Ti-microalloyed Container Plate Q345R

1. Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China;
2. Wuhan Iron and Steel Co., Ltd., Wuhan 430083, Hubei, China

摘要: 对一种钛微合金化Q345R容器钢的力学性能、显微组织和析出物进行试验研究,结果表明:Q345R含钛钢具有较高的强度性能、良好的延伸性和低温冲击韧性;其组织均以铁素体+珠光体组成,晶粒度约为12级;析出物为50~100 nm的TiN,开始析出温度为1 343℃,在固相线之下;计算表明微钛处理不足以形成TiC,细晶强化和固溶强化对强度的贡献最大。
- Q345R容器钢 /
- 钛微合金化 /
- 组织 /
- 性能 /
- 强化机制 /
- TiN析出物
Abstract: An experiment research on the Ti-microalloyed container plate Q345R was conducted to test its mechanical properties,microstructures and precipitates.The results show that the tested steel has good strength,ductility,and low-temperature impact toughness.The misconstrues of the steel are composed of ferrite and pearlite with the grain size of grade 12 or so.The precipitate is mainly TiN with sizes of 50~100 nm,and the precipitation begins at 1 343℃ which is below the solidus temperature(TS).Calculations show that TiC can not be formed due to low titanium content.Refined crystalline strengthening and solid solution strengthening contribute most to the strength properties.
- container plate Q345R /
- Ti-microalloying /
- microstructure /
- properties /
- strengthening mecha-nism /
- TiN precipitate

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