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龚帅等:微观组织对高速车轮钢解理断裂应力的影响 ·531· tectoid steel.Metall Trans A,1989,20(11):2321 critical tensile stress and fracture toughness in mild steel.J Mech ]Chen J H,Yan C.A comparison of toughness of C-Mn steel with Phys Solids,1973,21(6):395 different grain sizes.Metall Trans A,1992,23:2549 [16]Park YJ.Bernstein I M.The process of crack initiation and ef- [10]Curry D A,Knott J F.Effects of microstructure on cleavage frac- fective grain size for cleavage fracture in pearlitic eutectoid steel. ture stress in steel.Met Sci,1978,12(11):511 Metall Trans A,1979,10(11):1653 [11]Holzmann M,Jurasek L,Dlouhy I.Fracture behavior and cleav- [17]Wang G Z,Chen J H,Ren X C.Effects of loading rate on frac- age initiation in hypoeutectoid pearlitic steel.Int /Fract,2007, ture behavior of low-alloy steel with different grain size.Mater Sci 148(1):13 EngA,2004,35(6):1765 [12]Wang G Z,Chen J H,Wang J C.On the measurement and [18]Shi D M,Li J X,Duan G H,et al.In situ study of deformation physical meaning of the cleavage fracture stress in steel.Int and fracture process in wheel steel and effect of hydrogen.J Univ Frac,2002,118(3):211 Sci Technol Beijing,2007,29(1):34 [13]Ren X C.QiJ,Gao JY,et al.Effects of heating rate on micro- (史冬梅,李金许,段桂花,等.车轮钢形变断裂过程的原位 structure and fracture toughness of railway wheel steel.Metall 研究及氢影响.北京科技大学学报,2007,29(1):34) Trans A,2016,47(2):739 [19]Li SJ,Ren X C,Gao K W,et al.Effects of grain size on the [14]Wang G Z,Ren X C.Chen J H.Change of critical events of cleavage fracture toughness of wheel steel.J Unir Sci Technol cleavage fracture with variation of loading rate in notched speci- Beijing,2011,33(9):1105 mens of steel.Int Fract,2003,119 (3)61 (李胜军,任学冲,高克玮,等.品粒尺寸对车轮钢解理断裂 [15]Ritchie R O,Knott J F,Rice J R.On the relationship between 韧性的影响.北京科技大学学报,2011,33(9):1105)龚 帅等: 微观组织对高速车轮钢解理断裂应力的影响 tectoid steel. Metall Trans A,1989,20( 11) : 2321 [9] Chen J H,Yan C. A comparison of toughness of C--Mn steel with different grain sizes. Metall Trans A,1992,23: 2549 [10] Curry D A,Knott J F. Effects of microstructure on cleavage frac￾ture stress in steel. Met Sci,1978,12( 11) : 511 [11] Holzmann M,Juráek L,Dlouhy I. Fracture behavior and cleav- ' age initiation in hypoeutectoid pearlitic steel. Int J Fract,2007, 148( 1) : 13 [12] Wang G Z,Chen J H,Wang J G. On the measurement and physical meaning of the cleavage fracture stress in steel. Int J Fract,2002,118( 3) : 211 [13] Ren X C,Qi J,Gao J Y,et al. Effects of heating rate on micro￾structure and fracture toughness of railway wheel steel. Metall Trans A,2016,47( 2) : 739 [14] Wang G Z,Ren X C,Chen J H. Change of critical events of cleavage fracture with variation of loading rate in notched speci￾mens of steel. Int J Fract,2003,119( 3) : 61 [15] Ritchie R O,Knott J F,Rice J R. On the relationship between critical tensile stress and fracture toughness in mild steel. J Mech Phys Solids,1973,21( 6) : 395 [16] Park Y J,Bernstein I M. The process of crack initiation and ef￾fective grain size for cleavage fracture in pearlitic eutectoid steel. Metall Trans A,1979,10( 11) : 1653 [17] Wang G Z,Chen J H,Ren X C. Effects of loading rate on frac￾ture behavior of low-alloy steel with different grain size. Mater Sci Eng A,2004,35( 6) : 1765 [18] Shi D M,Li J X,Duan G H,et al. In situ study of deformation and fracture process in wheel steel and effect of hydrogen. J Univ Sci Technol Beijing,2007,29( 1) : 34 ( 史冬梅,李金许,段桂花,等. 车轮钢形变断裂过程的原位 研究及氢影响. 北京科技大学学报,2007,29( 1) : 34) [19] Li S J,Ren X C,Gao K W,et al. Effects of grain size on the cleavage fracture toughness of wheel steel. J Univ Sci Technol Beijing,2011,33( 9) : 1105 ( 李胜军,任学冲,高克玮,等. 晶粒尺寸对车轮钢解理断裂 韧性的影响. 北京科技大学学报,2011,33( 9) : 1105) · 135 ·
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