轧制强化因素对06Cr19Ni10不锈钢组织的影响
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摘要
以06Cr19Ni10不锈钢为研究对象,对轧制强化的主要因素(轧制变形量、试验温度、轧制前冷却保持时间)进行正交试验,借助光学显微镜、GL2011离子抛光仪、离子减薄仪、透射电镜、X射线衍射仪、微力材料试验机和扫描电镜,对不锈钢轧制过程中的显微组织演变规律进行研究。结果表明:轧制变形量对α'-马氏体转变量的影响程度最大,试验温度次之,轧制前冷却保持时间的影响可以忽略。得出的最优工艺参数组合为轧制变形量为90%、试验温度为273 K、轧制前冷却保持时间10 min时,α'-马氏体的转变量达到本次试验的最大值为94. 2%,孪晶与位错交互作用剧烈,奥氏体相已经几乎完全转变为马氏体相,轧制强化效果最好。
The orthogonal test about main factors of rolling strength (rolling deformation,test temperature,cooling time before rolling) of 06Cr19Ni10 stainless steel was carried out. The evolution rule of microstructure in stainless steel rolling is studied by means of optical microscope,polishing machine,ions reduction,transmission electron microscopy,X-ray diffractometer,micro force material testing machine and scanning electron microscopy. The results show that the influence of rolling deformation on the transformation of α'-martensite precipitation amount is the best,the second is test temperature,and the effect of cooling holding time before rolling can be ignored. It is concluded that the optimal process parameters including the rolling deformation of 90% at 273 K for 10 min before rolling cooling,by which,the α'-martensite transformation volume reaches maximum of 94. 2%. With the severe interaction of twin and dislocation,and the austenitic phase nearly totally transforms into martensite phase,then the rolling strengthening effect becomes the best.
The orthogonal test about main factors of rolling strength (rolling deformation,test temperature,cooling time before rolling) of 06Cr19Ni10 stainless steel was carried out. The evolution rule of microstructure in stainless steel rolling is studied by means of optical microscope,polishing machine,ions reduction,transmission electron microscopy,X-ray diffractometer,micro force material testing machine and scanning electron microscopy. The results show that the influence of rolling deformation on the transformation of α'-martensite precipitation amount is the best,the second is test temperature,and the effect of cooling holding time before rolling can be ignored. It is concluded that the optimal process parameters including the rolling deformation of 90% at 273 K for 10 min before rolling cooling,by which,the α'-martensite transformation volume reaches maximum of 94. 2%. With the severe interaction of twin and dislocation,and the austenitic phase nearly totally transforms into martensite phase,then the rolling strengthening effect becomes the best.
引文
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[20]孙国强,梁剑雄,刘振宝,等.回火温度对铁素体/马氏体双相不锈钢组织与性能的影响[J].金属热处理,2015,40(1):86-90.Sun Guoqiang,Liang Jianxiong,Liu Zhenbao,et al.Effect of tempering temperature on microstructure and properties of ferrite and martensite double phases stainless steel[J].Heat Treatment of Metals,2015,40(1):86-90.
[2]Naghizadeh M,Mirzadeh H.Microstructural evolutions during annealing of plastically deformed AISI 304 austenitic stainless steel:martensite reversion,grain refinement,recrystallization,and grain growth[J].Metallurgical and Materials Transactions A,2016,47(8):4210-4216.
[3]吴红艳,艾峥嵘,刘相华.钢铁材料深冷处理技术研究和应用进展[J].材料热处理学报,2013,34(12):1-2.Wu Hongyan,Ai Zhengrong,Liu Xianghua.Progress of research and application on cryogenic treatment of steels[J].Transactions of Materials and Heat Treatment,2013,34(12):1-2.
[4]Eskandari A,Zarei-Hanzaki A,Reza H.An investigation into the room temperature mechanical properties of nanocrystalline austenitic stainless steels[J].Materials and Design,2013,45:674-681.
[5]熊毅,贺甜甜,郭志强,等.不同温度重度变形及退火对工业纯铝组织的影响[J].材料热处理学报,2011,32(9):63-64.Xiong Yi,He Tiantian,Guo Zhiqiang,et al.Effect of severe deformation under different temperatures and annealing on microstructure of commercial pure aluminum[J].Transactions of Materials and Heat Treatment,2011,32(9):63-64.
[6]周翠兰,刘红梅,白晋钢,等.冷轧变形量对304不锈钢力学性能的影响[J].钢铁,2012,47(10):74-75.Zhou Cuilan,Liu Hongmei,Bai Jingang,et al.Effects of the coldrolling reduction on the mechanical properties of 304 austenitic stainless steel sheets[J].Iron and Steel,2012,47(10):74-75.
[7]Huang J X,Ye X N,Xu Z.Effect of cold rolling on microstructure and mechanical properties of AISI 301LN metastable austenitic stainless steels[J].Journal of Iron and Steel Research International,2012,19(10):59-63.
[8]侯小振,郑文杰,宋志刚,等.冷加工对316L不锈钢力学行为和组织的影响[J].钢铁研究学报,2013,25(7):56-57.Hou Xiaozhen,Zheng Wenjie,Song Zhigang,et al.Effect of cold work on structure and mechanical behavior of 316Lstainless steel[J].Journal of Iron and Steel Research,2013,25(7):56-57.
[9]史金涛,侯陇刚,左锦荣,等.304奥氏体不锈钢超低温轧制变形诱发马氏体转变的定量分析及组织表征[J].金属学报,2016,52(8):945-955.Shi Jintao,Hou Longgang,Zuo Jinrong,et al.Quantitative analysis of the martensite transformation and microstructure characterization during cryogenic rolling of 304 austenitic stainless steel[J].Acta Metallurgica Sinica,2016,52(8):945-955.
[10]赵勇桃,董俊慧,张韶慧,等.P92钢高温拉伸断口形貌的研究[J].材料工程,2015,43(4):88-89.Zhao Yongtao,Dong Junhui,Zhang Shaohui,et al.High-temperature tensile fracture morphology of P92 steel[J].Journal of Materials Engineering,2015,43(4):88-89.
[11]Shi K,Zhang A,Shang H,et al.Experimental study on solid solution strengthening in nanocrystalline alloys using multilayered films[J].Materials Science and Engineering A,2016,653:8-12.
[12]周鹤.控轧工艺对301奥氏体不锈钢组织及性能的影响[J].铸造技术,2014,35(11):2667-2669.Zhou He.Effect of controlled rolling process on microstructure and properties of 301 austenitic stainless steel[J].Foundry Technology,2014,35(11):2667-2669.
[13]Xiong Y,Yue Y,Lu Y,et al.Cryorolling impacts on microstructure and mechanical properties of AISI316 LN austenitic stainlesssteel[J].Materials Science and Engineering A,2018,709:270-276.
[14]Samuel E I,Christopher J,Sainath G,et al.Unified description of tensile work hardening behavior of P92 steel[J].Materials Science and Engineering A,2016,652:97-98.
[15]张月,李青春,张瑞祥,等.轧制预变形对超细贝氏体钢组织与性能的影响[J].材料热处理学报,2018,39(4):121-126.Zhang Yue,Li Qingchun,Zhang Ruixiang,et al.Effect of rolling predeformation on microstructure and properties of ultra-fine bainite steel[J].Transactions of Materials and Heat Treatment,2018,39(4):121-126.
[16]赵英利,裴建明,陈雷,等.高氮奥氏体不锈钢组织调控及加工硬化机制[J].材料热处理学报,2018,39(3):58-64.Zhao Yingli,Pei Jianming,Chen Lei,et al.Microstructure regulation and work hardening mechanism of high nitrogen austenitic stainless steel[J].Transactions of Materials and Heat Treatment,2018,39(3):58-64.
[17]刘杰,叶茂,姜枫,等.固溶后冷处理对PH13-8Mo马氏体不锈钢组织及性能的影响[J].金属热处理,2018,43(2):156-159.Liu Jie,Ye Mao,Jiang Feng,et al.Effect of cryogenic treatment after solution on microstructure and mechanical properties of PH13-8Mo martensitic stainless steel[J].Heat Treatment of Metals,2018,43(2):156-159.
[18]支金花,王裕,李继红,等.1Cr12Ni2W1MolV马氏体不锈钢的组织和高温力学性能[J].金属热处理,2018,43(3):68-71.Zhi Jinhua,Wang Yu,Li Jihong,et al.Microstructure and high temperature mechanical properties of martensitic stainless steel[J].Heat Treatment of Metals,2018,43(3):68-71.
[19]陈忠兵,颜少华,陈英杰,等.变幅载荷下316N不锈钢的力学性能[J].金属热处理,2018,43(4):230-234.Chen Zhongbing,Yan Shaohua,Chen Yingjie,et al.Mechanical properties of 316N stainless steel under variable amplitude loading[J].Heat Treatment of Metals,2018,43(4):230-234.
[20]孙国强,梁剑雄,刘振宝,等.回火温度对铁素体/马氏体双相不锈钢组织与性能的影响[J].金属热处理,2015,40(1):86-90.Sun Guoqiang,Liang Jianxiong,Liu Zhenbao,et al.Effect of tempering temperature on microstructure and properties of ferrite and martensite double phases stainless steel[J].Heat Treatment of Metals,2015,40(1):86-90.