Influences of High-Temperature Diffusion on the Homogenization and High-Temperature Fracture Behavior of 30Cr1Mo1V

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• 作者：Xingang Liu (1)
  Dongning Meng (1)
  Yuhui Wang (2)
  Huan Chen (1)
  Miao Jin (1)
  
  1. College of Mechanical Engineering ; Yanshan University ; Qinhuangdao ; 066004 ; Hebei ; China
  2. National Engineering Research Center for Equipment and Technology of Cold Strip Rolling ; College of Mechanical Engineering ; Yanshan University ; Qinhuangdao ; 066004 ; Hebei ; China
  
• 关键词：30Cr1Mo1V steel ; fracture behavior ; high ; temperature diffusion ; high ; temperature tensile
• 刊名：Journal of Materials Engineering and Performance
• 出版年：2015
• 出版时间：February 2015
• 年：2015
• 卷：24
• 期：2
• 页码：1079-1085
• 全文大小：1,891 KB
• 参考文献：1. A. Joarder, D.S. Sarma, and N.S. Cheruvu, Effect of Long-Term Service Exposure on Microstructure and Mechanical Properties of a CrMoV Steam Turbine Rotor Steel, / Metall. Trans. A, 1991, 22(8), p 1811鈥?820 CrossRef
  2. S.H. Nahm, Y.I. Kim, K.M. Yu, and A. Kim, Evalution of Fracture Toughness of Degraded Cr-Mo-V Steel Using Electrical Resistivity, / J. Mater. Sci., 2002, 37(16), p 3549鈥?553 CrossRef
  3. C.S. Seok and J.M. Koo, Evaluation of Material Degradation of 1Cr-1Mo-0.25V Steel by Non-destructive Method, / Mater. Sci. Eng. A, 2005, 395(1鈥?), p 141鈥?47 CrossRef
  4. C.S. Seok and J.P. Kim, Studies on the Correlation Between Mechanical Properties and Ultrasonic Parameters of Aging 1Cr-1Mo-0.25V Steel, / J. Mech. Sci. Technol., 2005, 19(2), p 487鈥?95 CrossRef
  5. B. Wilshire and P.J. Scharning, Prediction of Long Term Creep Data for Forged 1Cr-1Mo-0.25V Steel, / Mater. Sci. Technol., 2008, 24, p 1鈥? CrossRef
  6. A. Shekhter, S. Kim, D.G. Carr, A.B.L. Croker, and S.P. Ringer, Assessment of Temper Embrittlement in an Ex-service 1Cr-1Mo-0.25V Power Generating Rotor by Charpy V-Notch Testing, KIc Fracture Toughness and Small Punch Test, / Int. J. Press. Vessel Pip., 2002, 79(8鈥?0), p 611鈥?15.
  7. S. Kulvir and M. Kamaraj, Creep Ductility of 1Cr-1Mo-0.25V Low Alloy Forging and Casting Steels, / Mater. Sci. Eng. A, 2009, 510鈥?11, p 51鈥?7
  8. M. Evans, Formalisation of Wilshire-Scharning Methodology to Creep Life Prediction with Application to 1Cr-1Mo-0.25V Rotor Steel, / Mater. Sci. Technol., 2010, 26, p 309鈥?17 CrossRef
  9. K.Y. Kwon, Y.S. Na, and S.M. Seo, Microstruetural Changes and Variations of Hot Deformation Stability with Homogenization Treatment of 1Cr-1.25Mo-0.25V Steel Before Hot Forging, Korean, / J Met. Mater., 2013, 51(12), p 883鈥?92 CrossRef
  10. I.A. Borisov, Heat Treatment of Large Castings from Steel 15Kh3M1FTsL, / Met. Sci. Heat Treat., 2004, 46(9鈥?0), p 430鈥?35 CrossRef
  11. M. Torkar, F. Vodopivec, and S. Petovar, Analysis of Segregations in As-cast X40CrMoV51 Steel, / Mater. Sci. Eng. A, 1993, 173, p 313鈥?16 CrossRef
  12. R.W. Heckel and M. Balasubramaniam, The Effect of Heat Treatment and Deformation on the Homogenization of Compacts of Blended Powders, / Metall. Trans., 1971, 2, p 379鈥?91 CrossRef
  13. G.S. Cole, Inhomogenization and Their Control Via Solidification, / Metall. Trans., 1971, 2, p 357鈥?70 CrossRef
  14. J.C. Viala, N. Peillon, L. Clochefert, and J. Bouix, Diffusion Paths and Reaction Mechanisms in the High-Temperature Chemical Interaction Between Carbon and Titanium Aluminides, / Mater. Sci. Eng. A, 1995, 203(1鈥?), p 222鈥?37 CrossRef
  15. P.G. Shewmon, / Diffusion in Solids, McGraw-Hill Book Co., New York, 1963, p 1鈥?5
  16. D.M. Xu, H.Z. Fu, J.J. Guo, J. Jia, and Q.C. Li, A Unified Model for Micro-scale Solute Redistribution in Dendrite Solidification of Alloys, / J. Harbin Inst. Technol., 2003, 35(10), p 1156鈥?161
  17. M. Hone, S.V. Subramanian, and G.R. Purdy, Estimating Terminal Phase Equilibria in Ternary Systems, / Can. Metall. Quart., 1969, 8(3), p 251鈥?56 CrossRef
  18. D.F. Zhang and J. Peng, Diffusion Models for Solid-State Homogenization of Dendrite Segregation, / Mater. Sci. Ed., 2005, 20(2), p 111鈥?14
  19. X.G. Liu, B. Liu, H. Guo, M. Jin, and B.F. Guo, Study on Mathematical Model of Homogenization of Dendritic Segregation, / Adv. Mater. Res., 2012, 430鈥?32, p 355鈥?60 CrossRef
  20. M.G. Cockcroft and D.J. Latham, Ductility and the Workability of Metals, / J. Inst. Met., 1968, 96(2), p 33鈥?9
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Characterization and Evaluation Materials
  Materials Science
  Tribology, Corrosion and Coatings
  Quality Control, Reliability, Safety and Risk
  Engineering Design
  
• 出版者：Springer New York
• ISSN：1544-1024

文摘

High-temperature diffusion is an important process for manufacture of 30Cr1Mo1V rotor steel to alleviate the dendritic segregation and improve the hot workability of the steel ingots. However, the functions and significances of high-temperature diffusion in heavy forging production are still academically controversial. This paper investigated the influences of high-temperature diffusion on the homogenization of dendritic segregation and dendritic structure of 30Cr1Mo1V. After the samples being treated under different high-temperature diffusion process, hot stretch experiments have been performed to study the influences of high-temperature diffusion on the flow stress and the fracture behavior. The results reveal that after being held at high temperature for a long period of time, the segregation ratios of Mo element were greatly reduced and no dendritic structure can be observed by optical microscopy. The percent reduction in the area and the fracture limit increases as temperature increases. Moreover, high-temperature diffusion has less influences on the flow stress while, at different temperature ranges, the influences on fracture limit differ considerably.