基于V型缺口试样冲击性能确定1Cr17Ni2不锈钢的热处理工艺
Heat Treatment Process Determination of 1Cr17Ni2 Stainless Steel Based on Impact Property of V-Notch Specimen
摘 要
对1Cr17Ni2不锈钢进行了不同温度的淬火+回火热处理, 研究了其V型缺口试样冲击性能与淬火和回火温度的关系; 基于V型缺口试样冲击性能确定了较佳热处理工艺, 并测试了该工艺热处理后试验钢的拉伸性能。结果表明: V型缺口试样的冲击吸收功随淬火温度和回火温度的升高而增大; 回火温度对其断裂方式的影响大于淬火温度的, 随回火温度升高, 断裂方式从沿晶和解理的脆性开裂向韧窝型韧性开裂转变; 当淬火温度为980 ℃或1 020 ℃, 回火温度大于650 ℃时, 该钢可满足螺柱冲击韧性和强度的要求, 如需二次回火, 则推荐二次回火温度应高于620 ℃。
热处理
冲击吸收功
断口形貌
1Cr17Ni2 stainless steel
heat treatment
impact absorption energy
fracture morphology
Abstract
1Cr17Ni2 stainless steel was quenched and tempered at different temperatures, and then the relationships between the impact property of the V-notch specimen and the quenching and tempering temperatures were investigated. The optimum heat treatment process was determined based on the impact properties of the V-notch specimen and the tensile properties of the tested steel after heat treatment with the optimum process were measured. The results show that the impact absorption energies of V-notch specimens increased with the increasing quenching and tempering temperatures. The effect of tempering temperature on the fracture mode was greater than that of the quenching temperature. With the increase of tempering temperature, the fracture mode changed from brittle fracture by intergranular and cleavage to toughness fracture by dimple. The 1Cr17Ni2 stainless steel can meet the requirements of the impact toughness and strength of stud at the quenching temperature of 980 ℃ or 1 020 ℃ and the tempering temperature higher than 650 ℃. If a twice tempering was necessary, then the twice tempering temperature higher than 650 ℃ was recommended.
中图分类号 TG142.1 TG161 DOI 10.11973/jxgccl201608009
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收稿日期 2015/4/12
修改稿日期 2016/6/30
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备注王冬颖(1975-), 女, 辽宁沈阳人, 高级工程师, 硕士。
引用该论文: WANG Dong-ying,GUAN Meng,CHEN Wei,CHENG Cong-qian,LI Qian,ZHAO Jie,CAO Zhi-yuan. Heat Treatment Process Determination of 1Cr17Ni2 Stainless Steel Based on Impact Property of V-Notch Specimen[J]. Materials for mechancial engineering, 2016, 40(8): 34～38
王冬颖,关 锰,陈 炜,程从前,李 倩,赵 杰,曹志远. 基于V型缺口试样冲击性能确定1Cr17Ni2不锈钢的热处理工艺[J]. 机械工程材料, 2016, 40(8): 34～38
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参考文献
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【3】张湛, 薛春, 黄春波, 等. 时效温度对PH13-8Mo不锈钢组织和力学性能的影响［J］. 机械工程材料, 2014, 38(11): 72-75.
【4】姚振华, 徐玉华. 1Cr17Ni2 钢的热处理工艺及性能研究［J］. 热加工工艺, 2005, 29(12) : 38-39.
【5】谭朝鑫. 1Cr17Ni2不锈钢韧化工艺的研究［J］. 材料保护, 1989, 30(8): 22-25.
【6】文道维, 宋秀凤, 高秀玲. 1Cr17Ni2马氏体不锈钢的力学性能及抗腐蚀性能的研究［J］. 大电机技术, 1997, 27(2): 33-38.
【7】雷德江. 不锈钢1Cr17Ni2 锻件的热处理工艺研究［J］. 特钢技术, 2005, 10(3): 5-7.
【8】黄春峰. 1Cr17Ni2钢叶片热处理工艺的优化［J］. 金属热处理, 1992, 35(3): 58-59.
【9】宫力,孙云焕. 1Cr17Ni2 钢的热处理性能研究［J］. 上海汽轮机, 2000, 24(3): 30-33.
【10】RAJASEKHAR A, REDDY G M, MOHANDAS T, et al. Influence of austenitizing temperature on microstructure and mechanical properties of AISI 431 martensitic stainless steel electron beam welds［J］. Materials and Design, 2009,30(5): 1612-1624.
【11】曹志远, 程从前, 王冬颖, 等. 1Cr17Ni2钢U和V形缺口试样夏比冲击性能对比［J］.材料热处理学报, 2014, 35(S2): 70-74.
【12】BALAN K P, REDDY A V, SARMA D S. Effect of single and double austenitization treatments on the microstructure and mechanical properties of 16Cr-2Ni steel［J］. Journal of Materials Engineering and Performance,1999,8(3): 385-393.
【13】舒士明,曹文荣,张贵平. 1Cr17Ni2钢的高温回火脆性［J］. 钢铁, 1998, 33(10): 47-50.
【14】LIU N, DENG Z G, HUANG M G. Effect of heat treatment on microstructure and mechanical properties of martensitic-ferritic stainless steel containing 17% Cr and 2% Ni［J］. Mater Sci Technol,1991,11(7): 1057-1062.
【15】赵亮, 张忠和, 刘晓鹏, 等. 1Cr17Ni2 精炼钢锻件热处理工艺的正交法优化［J］. 热处理技术与装备, 2014, 35(4): 27-30.
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