| 低碳高强度高塑性锚杆用钢的试验研究 |
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| 引用本文： | 何兵兵,江利,徐银浩,李翠萍,沈青峰.低碳高强度高塑性锚杆用钢的试验研究[J].热处理,2011,26(2):27-29. |
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| 作者姓名： | 何兵兵 江利 徐银浩 李翠萍 沈青峰 |
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| 作者单位： | 1. 中国矿业大学材料科学与工程学院,江苏,徐州,221116
2. 上海重型机器厂,上海,200245 |
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| 摘 要： | 研究了等温淬火的等温温度和等温时间对低碳Si-Mn系TR IP钢力学性能的影响。试验用钢经810℃两相区加热,保温50 m in,在380℃盐浴中等温淬火20 m in,得到贝氏体＋铁素体＋残留奥氏体的三相组织,具有较高的抗拉强度（Rm=843 MPa）和良好的塑性（A5=31%）。
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| 关 键 词： | 锚杆 低碳Si-MnTRIP钢 等温淬火 |
Research on Low Carbon High Strength and High Plasticity Steel for Rockbolt |
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| HE Bing-bing,JIANG-li,XU Yin-hao,LI Cui-ping,SHEN Qing-feng.Research on Low Carbon High Strength and High Plasticity Steel for Rockbolt[J].Heat Treatment,2011,26(2):27-29. |
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| Authors: | HE Bing-bing JIANG-li XU Yin-hao LI Cui-ping SHEN Qing-feng |
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| Affiliation: | HE Bing-bing1,JIANG-li1,XU Yin-hao2,LI Cui-ping2,SHEN Qing-feng11.Collage of Material Science and Engineering,China University of Mining and Technology,Xuzhou 221116,Jiangsu,2.Shanghai Heavy Machine Plant,Shanghai 200245 |
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| Abstract: | The effect of isothermal cooling temperature and holding time at temperature during the austempering cycle was investigated on the mechanical properties of low carbon Si-Mn TRIP steel.The investigated steel which was subjected to the austempering consisted of heating at intercritical temperature of 810 ℃ for 50 min,and quenching in molten salt at 380 ℃ and holding for 20 min obtained three phase mixtures containing bainite,ferrite and retained austenite,and offered higher tensile strength（Rm=843 MPa） and excellent plasticity（A5=31%）. |
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| Keywords: | rockbolt low carbon Si-Mn TRIP steel austempering |
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