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OALib Journal期刊
ISSN: 2333-9721
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700MPa级高塑低碳低合金钢的多相组织调控及性能
DOI: 10.11900/0412.1961.2014.00576, PP. 407-416
Keywords: 高性能,临界热处理,多相组织,残余奥氏体,纳米析出相
Abstract:
通过临界退火、临界回火以及回火的多步热处理方式,研究了低碳低合金钢的组织演变与力学性能.结果表明,临界退火后的组织为板条状的临界铁素体及贝氏体/马氏体的双相组织.经临界回火后,为临界铁素体、回火贝氏体/马氏体以及残余奥氏体的多相组织.残余奥氏体呈粒状和条状,分布在铁素体/贝氏体(马氏体)相界面及贝氏体/马氏体板条之间,含量高达29%,并在回火后保持稳定,主要通过C,Mn,Ni和Cu在逆转奥氏体中的富集来稳定.临界退火及回火过程中,NbC在铁素体及贝氏体/马氏体中析出,呈球状、椭圆形或不规则形状,平均尺寸为10nm;富Cu的析出相在临界回火及回火过程中形成,呈球状分布于铁素体及残余奥氏体中,尺寸在10~30nm之间.通过残余奥氏体的应变诱导塑性(TRIP)效应及纳米析出相的析出强化作用,实验钢具有优异的力学性能屈服强度高于700MPa,抗拉强度高于900MPa,均匀延伸率高于20%,总延伸率高于30%.
| [1] | Zhang K, Zhang M H, Guo Z H, Chen N L, Rong Y H. Mater Sci Eng, 2011; 528A: 8486
|
| [2] | Zhou W H, Guo H, Xie Z J, Shang C J. Mater Des, 2014; 59: 195
|
| [3] | Dong H, Wang M Q, Weng Y Q. Iron Steel, 2010; 45(7): 3 (董 瀚, 王毛球, 翁宇庆. 钢铁, 2010; 45(7): 3)
|
| [4] | Liu L, Yang Z G, Zhang C, Liu W B. Mater Sci Eng, 2010; A527: 7205
|
| [5] | Yoo J D, Hwang S W, Park K T. Mater Sci Eng, 2009; A508: 234
|
| [6] | Misra R D K, Challa V S A, Venkatsurya P K C, Shen Y F, Somani M C, Karjalainen L P. Acta Mater, 2015; 84: 339
|
| [7] | Lee T, Koyama M, Tsuzaki K, Lee Y H, Lee C S. Mater Lett, 2012; 75: 169
|
| [8] | Sugimoto K I, Mobayashi M, Hashimoto S I. Metall Mater Trans, 1992; 23A: 3085
|
| [9] | Sugimoto K I, Tsunezawa M, Hojo T, Ikeda S. ISIJ Int, 2004; 44: 1608
|
| [10] | Speer J G, Matlock D K, De Cooman B C, Schroth J G. Acta Mater, 2003; 51: 2611
|
| [11] | Misra R D K, Zheng H, Wu K M, Karjalainen L P. Mater Sci Eng, 2013; A579: 188
|
| [12] | Kang J, Zhou X G, Wang G D. Steel Rolling, 2009; 26(3): 34 (康 健, 周晓光, 王国栋. 轧钢, 2009; 26(3): 34)
|
| [13] | Miller R L. Metall Trans, 1972; 3: 905
|
| [14] | Niikura M, Morris J W. Metall Trans, 1980; 11: 1531
|
| [15] | Luo H W, Shi J, Wang C, Cao W Q, Sun X J, Dong H. Acta Mater, 2011; 59: 4002
|
| [16] | Shi J, Sun X J, Wang M Q, Hui W J, Dong H, Cao W Q. Scr Mater, 2010; 63: 815
|
| [17] | Zhou W H, Guo H, Xie Z J, Wang X M, Shang C J. Mater Sci Eng, 2013; A587: 366
|
| [18] | Zhou W H, Wang X L, Venkatsurya P K C, Guo H, Shang C J, Misra R D K. Mater Sci Eng, 2014; A607: 569
|
| [19] | Xie Z J, Yuan S F, Zhou W H, Yang J R, Guo H, Shang C J. Mater Des, 2014; 59: 195
|
| [20] | Takaki S, Fukunaga K, Syarif J, Tsuchiyama T. Metall Trans, 2004; 45: 2251
|
| [21] | Sakuma Y, Matsumura O, Takechi H. Metall Trans, 1991; 22A: 489
|
| [22] | Thomas G. Metall Trans, 1978; 9A: 447
|
| [23] | Chi C Y, Dong J X, Liu W Q, Xie X S. Acta Metall Sin, 2010; 46: 1145 (迟成宇, 董建新, 刘文庆, 谢锡善. 金属学报, 2010; 46: 1145)
|
| [24] | Ray A, Dhua S K. Mater Charact, 1996; 37: 1
|
| [25] | Zhang Y H, Zhao H J, Kang Y L. Hot Working Tech, 2006; 35(6): 62 (张迎晖, 赵鸿金, 康永林. 热加工工艺, 2006; 35(6): 62)
|
| [26] | Funakawa Y, Shiozaki T, Tomita K, Yamamoto T, Maeda E. ISIJ Int, 2004; 44: 1945
|
| [27] | Yen H Y, Chen P Y, Huang C Y, Yang J R. Acta Mater, 2011; 59: 6264
|
| [28] | He B B, Huang M X, Liang Z Y, Ngan A H W, Luo H W, Shi J, Cao W Q, Dong H. Scr Mater, 2013; 69: 216
|
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