|
|
Effect of Thermal Treatment Temperature on Microstructure and Properties of Hot Rolled Rail Steel |
WU Qing-hui,YANG Zhong-min,YANG Chao-fei,CHEN Ying,WANG Hui-min |
Institute of Structure Materials, China Iron and Steel Research Institute Group, Beijing 100081, China |
|
|
Abstract Thermal treatment of rail steel after hot rolled was investigated by Gleeble-1500 thermal-mechanical simulator. microstructure and mechanical properties at different austenitizing temperatures and the same transfer temperature were studied. The results show that: Compare with the hot rolled rail, toughness of thermal treatment rail increases with austenitizing temperature decrease, and the hardness of the rail is as good as the hot rolled rail. Through observing prior austenite grain size, pearlite colony size and interlamellar spacing after phase transition at the same transfer temperature, the relationship between thermal treatment temperature and pearlite microstructure and the mechanical properties were analyzed from the mechanism of pearlite transformation, to clarify the role of austenitizing temperature on the microstructure and properties of fully pearlitic rail steels.
|
Received: 26 October 2011
Published: 14 January 2013
|
|
|
|
[1] |
J.M. Hyzak.nullI.M. Bernstein. The Role of Microstructure on the Strength and Toughness of Fully Pearlitic Steels[J].. Metallurgical Transactions A, Vol7A,1976,:-
|
[1] |
J.M. Hyzak.nullI.M. Bernstein. The Role of Microstructure on the Strength and Toughness of Fully Pearlitic Steels[J].. Metallurgical Transactions A, Vol7A,1976,:-
|
[2] |
A.R.Marder.nullB.L.Branefitt. MetallTrans. The effect of morphology on the strength of pearlite[J].. Metallurgical Transactions A, Vol7A,1976,:-
|
[2] |
A.R.Marder.nullB.L.Branefitt. MetallTrans. The effect of morphology on the strength of pearlite[J].. Metallurgical Transactions A, Vol7A,1976,:-
|
[3] |
R.Ordonez.C.Isaac.Garcia,A.J.Deardo. New Rail Steels for the 21st Century[C]. The Fourth Baosteel Biennial Academic Conference. Shanghai,2010
|
[3] |
R.Ordonez.C.Isaac.Garcia,A.J.Deardo. New Rail Steels for the 21st Century[C]. The Fourth Baosteel Biennial Academic Conference. Shanghai,2010
|
[4] |
Kavishe F.P.L..Baker TJ.. Effect of prior Austensite grian size and pearlite interlamellar spacing on strength and fracture toughness of eutectoid rail[J].. Materials Science and Technology,1986,2(8):816-822
|
[4] |
Kavishe F.P.L..Baker TJ.. Effect of prior Austensite grian size and pearlite interlamellar spacing on strength and fracture toughness of eutectoid rail[J].. Materials Science and Technology,1986,2(8):816-822
|
[5] |
Garbarz B, Pickering F B.Effect of Pearlite Morphology on Impact Toughness of eutectoid Steel Containing Vanadium[J].Mater Sci Tech,1988,4:328-334
|
[5] |
Garbarz B, Pickering F B.Effect of Pearlite Morphology on Impact Toughness of eutectoid Steel Containing Vanadium[J].Mater Sci Tech,1988,4:328-334
|
[6] |
刘永铨. 钢的热处理[M]. 冶金工业出版社. 北京:1981
|
[6] |
刘永铨. 钢的热处理[M]. 冶金工业出版社. 北京:1981
|
[7] |
刘宗昌,任慧平,宋义全.《金属固态相变教程》[M]. 冶金工业出版社. 北京:2003
|
[7] |
刘宗昌,任慧平,宋义全.《金属固态相变教程》[M]. 冶金工业出版社. 北京:2003
|
[8] |
G.K.Rouse.I.M.Bernstein, D.H.Stone. Role of Alloying and Microstructure on the Strength and Toughness of Experimental Rail Steels[J]. Rail steels: developments, processing, and use. ASTM STP:145~166
|
[8] |
G.K.Rouse.I.M.Bernstein, D.H.Stone. Role of Alloying and Microstructure on the Strength and Toughness of Experimental Rail Steels[J]. Rail steels: developments, processing, and use. ASTM STP:145~166
|
[9] |
M.F. Ashby. Strengthening Method in Crystals(edited by A. Kelly and R. B. Nicholson)[M]. Amsterdam: Elsevier, 1971
|
[9] |
M.F. Ashby. Strengthening Method in Crystals(edited by A. Kelly and R. B. Nicholson)[M]. Amsterdam: Elsevier, 1971
|
[10] |
朱晓东,李承基,章守华,等.奥氏体化状态和钒对珠光体型钢轨钢韧性的影响[J].北京科技大学学报,1996,18(6):532-537
|
[10] |
朱晓东,李承基,章守华,等.奥氏体化状态和钒对珠光体型钢轨钢韧性的影响[J].北京科技大学学报,1996,18(6):532-537
|
[1] |
FENG Lu-lu1,2,WU Kai-ming1,3,YU Hong-wei4,ZHAO Hua-zhong5. Production status and developing tendency of high strength and toughness steel for hydropower station[J]. JOURNAL OF IRON AND STEEL RESEARCH , 2020, 32(3): 175-185. |
[2] |
WANG Fei,HOU Shao-lin,ZHAO Chang-shun,LI Ru,BAI Ming-xi. Effect of austenitizing temperature on strength-toughness of high strength steel 15Cr2MnNi2TiA[J]. PHYSICS EXAMINATION AND TESTING, 2020, 38(2): 9-. |
[3] |
CHU Yan-ping, CHEN Zhi-yong, LIU Nan, ZHANG Li-feng. Formation and control of spinel inclusions in high-speed heavy rail steel[J]. Iron and Steel, 2020, 55(1): 38-46. |
[4] |
CHEN Hao1,2,XU Haifeng2,ZHOU Tianpeng1,2,CHEN Zejun1,. Effect of quenching and low temperature treatment on microstructure and properties of X30 CrMoN 15 1[J]. Iron and Steel, 2019, 54(9): 85-93. |
[5] |
ZHANG Xiao-dong1, XIA Dian-xiu1, WANG Shou-ren1, ZHANG Yun-shan2. Effect of austenitizing temperature on quenching microstructure and properties of 51CrV4 steel[J]. Iron and Steel, 2019, 54(3): 76-81,95. |
[6] |
ZHANG Xue-wei, YANG Cai-fu, CHAI Feng, LUO Xiao-bing, ZHANG Li-feng, DONG Yuan-chi. Precipitation and control of MnS inclusions by thermodynamic analysis[J]. Iron and Steel, 2019, 54(12): 27-34. |
|
|
|
|