| J. Mater. Sci. Technol. 2007, 23(03) 289-300 DOI: ISSN: 1005-0302 CN: 21-1315/TG | |||||||||||||||||||||||||||||||||||||||||||||
| Current Issue | Archive | Search [Print] [Close] | |||||||||||||||||||||||||||||||||||||||||||||
| Research Articles |
| ||||||||||||||||||||||||||||||||||||||||||||
|
Directional Solidification Assisted by Liquid Metal Cooling | |||||||||||||||||||||||||||||||||||||||||||||
|
Jian ZHANG, Langhong LOU | |||||||||||||||||||||||||||||||||||||||||||||
|
Superalloys Division, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China | |||||||||||||||||||||||||||||||||||||||||||||
| Abstract:
An overview of the development and current status of the directional solidification process assisted by liquid metal cooling (LMC) has been presented in this paper. The driving force of the rapid development of the LMC process has been analyzed by considering the demands of (1) newer technologies that can provide higher thermal gradients for alleviated segregation in advanced alloy systems, and (2) better production yield of the large directionally solidified superalloy components. The brief history of the industrialization of the LMC process has been reviewed, followed by the discussion on the LMC parameters including selection of the cooling media, using of the dynamic baffle, and the influence of withdrawal rates and so on. The microstructure and mechanical properties of the traditional superalloys processed by LMC, as well as the new alloys particularly developed for LMC process were then described. Finally, future aspects concerning the LMC process have been summarized. | |||||||||||||||||||||||||||||||||||||||||||||
| Keywords: Directional solidification Liquid metal cooling Superalloys Microstructure... | |||||||||||||||||||||||||||||||||||||||||||||
| Received 2007-01-16 Revised 1900-01-01 Online: 2009-10-10 | |||||||||||||||||||||||||||||||||||||||||||||
| DOI: | |||||||||||||||||||||||||||||||||||||||||||||
| Fund: | |||||||||||||||||||||||||||||||||||||||||||||
| Corresponding Authors: Jian ZHANG | |||||||||||||||||||||||||||||||||||||||||||||
| Email: jianzhang@imr.ac.cn | |||||||||||||||||||||||||||||||||||||||||||||
| About author: | |||||||||||||||||||||||||||||||||||||||||||||
|
|
|||||||||||||||||||||||||||||||||||||||||||||
| References: | |||||||||||||||||||||||||||||||||||||||||||||
| Similar articles | |||||||||||||||||||||||||||||||||||||||||||||
| 1.GUO Jingjie; LI Xinzhong; SU Yanqing; WU Shiping; FU Hengzhi.Formation Mechanism of Band Structure and Phase Selection During Directional Solidification of Peritectic Alloys II. Phase Selection[J]. J. Mater. Sci. Technol., 2005,41(6): 599-604 | |||||||||||||||||||||||||||||||||||||||||||||
| 2.CAO Zhiqiang ZHANG Liping REN Zhongming JIN Junze Dalian University of Technology,Dalian,China.INFLUENCE OF ELECTROMAGNETIC STIRRING ON MACROSEGREGATION OF CAST IRON[J]. J. Mater. Sci. Technol., 1992,5(10): 311-314 | |||||||||||||||||||||||||||||||||||||||||||||
| 3.LIU Junming LIU Zhiguo WU Zhuangchun Nanjing University,China LIU Junming,lecturer,National Laboratory of Solid State Microstructuros,Nanjing University,Nanjing 210008,China.SCALING LAW OF IRREGULAR EUTECTIC IN DIRECTIONAL SOLIDIFICATION[J]. J. Mater. Sci. Technol., 1993,6(5): 283-290 | |||||||||||||||||||||||||||||||||||||||||||||
| 4.JIE Wanqi(State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi'an 710072,China) Manuscript received 25 May 1995.EXPERIMENTAL RESEARCH ON DIRECTIONAL SOLIDIFICATION OF Al-4.5wt%Cu ALLOY BY ACRT METHOD[J]. J. Mater. Sci. Technol., 1996,9(1): 17-22 | |||||||||||||||||||||||||||||||||||||||||||||
| 5.ZHANG Jinghua TANG Yajun YU Yang ZHANG Jishan HU Zhuangqi Institute of Metal Research,Academia Sinica,Shenyang,China.THERMAL FATIGUE PROPERTIES AND MICROSTRUCTURE OF DIRECTIONALLY SOLIDIFIED DZ38G ALLOY[J]. J. Mater. Sci. Technol., 1989,2(1): 35-41 | |||||||||||||||||||||||||||||||||||||||||||||
| 6.WEN Mao LIN Dongliang T.L.Lin Shanghai Jiaotong University,Shanghai,China LIN Dongliang Professor,Shanghai Jiaotong University,Shanghai 200030,China.PLASTIC DEFORMATION AND DISLOCATION STRUCTURE IN γ'-PHASE OF A DIRECTIONALLY SOLIDIFIED Ni-BASE SUPERALLOY[J]. J. Mater. Sci. Technol., 1990,3(2): 79-88 | |||||||||||||||||||||||||||||||||||||||||||||
| 7.REN Zhongming SU Hui JIN Junze Dalian University of Technology,Dalian,China.Si-RICH LAYER FORMATION DURING DIRECTIONAL SOLIDIFICATION OF AI-Si EUTECTIC ALLOY IN ELECTROMAGNETIC FIELD[J]. J. Mater. Sci. Technol., 1991,4(8): 147-149 | |||||||||||||||||||||||||||||||||||||||||||||
| 8.WANG Huaming TANG Yajun ZHANG Jinghua ZHANG Zhiya HU Zhuangqi Institute of Metal Research,Academia Sinica,Shenyang,China.MC CARBIDE FLOATATION IN A HOT CORROSION RESISTANT SINGLE CRYSTAL Ni-BASE SUPERALLOY DURING DIRECTIONAL SOLIDIFICATION[J]. J. Mater. Sci. Technol., 1992,5(1): 66-68 | |||||||||||||||||||||||||||||||||||||||||||||
| 9.ZHU Ruihui WANG Yu HAN Qiyong SONG Weixi University of Science and Technology Beijing,Beijing,China Engineer,Institute of Precise and Special New Materials,University of Science and Technology Beijing,Beijing 100083,China.DISTRIBUTION AND EFFECT OF Ce IN RE BEARING DUCTILE IRON[J]. J. Mater. Sci. Technol., 1992,5(6): 419-424 | |||||||||||||||||||||||||||||||||||||||||||||
| 10.LIU Yulin ZHANG Yun ZHAO Hong'en HU Zhuangqi SHI Changxu Institute of Metal Research,Academia Sinica,Shenyang,China Associate Professor,Institute of Metal Research,Academia Sinica,Shenyang 110015,China.INTERFACE MORPHOLOGIES AND SOLUTE SEGREGATION OF Al-Li ALLOY 8090 DURING UNIDIRECTIONAL SOLIDIFICATION[J]. J. Mater. Sci. Technol., 1993,6(2): 73-77 | |||||||||||||||||||||||||||||||||||||||||||||
| 11.SUN Jian ZHANG Yuanhu HU Gengxiang Shanghai Jiaotong University,Shanghai,China SUN Jian,lecturer,Department of Materials Science,Shanghai Jiaotong University,Shanghai 200030,China.CREEP CRACK PROPAGATION IN CONVENTIONAL CAST AND DIRECTIONALLY SOLIDIFIED SUPERALLOY RENE 80[J]. J. Mater. Sci. Technol., 1993,6(5): 343-345 | |||||||||||||||||||||||||||||||||||||||||||||
| 12.DONG Hongbiao JI Yongyi ZHU Jun LU Shuzu ZHONG Xueyou University of Science and Technology,Beijing,ChinaLI Jianguo Northwestern Polytechnical University,Xi'an,China DONG Hongbiao,lecturer,Department of Metallurgy,University of Science and Technology Beijing,Beijing 100083,China.PREPARATION AND SOLIDIFICATION CHARACTERISTIC OF IN SITU DIRECTIONALLY SOLIDIFIED EUTECTIC Al_(11)La_3/Al COMPOSITE[J]. J. Mater. Sci. Technol., 1993,6(5): 278-282 | |||||||||||||||||||||||||||||||||||||||||||||
| 13.LIU Shan LU Deyang HUANG Tao ZHOU Yaohe National Lab of Solidification Processing,Northwestern Polytechnical University,Xi'an,China LIU Shan,lecturer,National Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi'an 710072,China.EFFECT OF LIQUID FLOW ON PRIMARY ARM SPACING OF CONSTRAINED COLUMNAR CRYSTALS[J]. J. Mater. Sci. Technol., 1993,6(5): 320-325 | |||||||||||||||||||||||||||||||||||||||||||||
| 14.SUN LilingInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, ChinaWU QiShenyang College of Technology, Shenyang, ChinaZHANG Zhiya, HU ZhuangqiInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, China.EFFECT OF TRACE ELEMENT B ON MICROSTRUCTURE OF DIRECTIONALLY SOLIDIFIED Co-BASE SUPER ALLOY DZX40M[J]. J. Mater. Sci. Technol., 1994,7(1): 23-26 | |||||||||||||||||||||||||||||||||||||||||||||
| 15.S.P. Li; S.X. Zhao; M.X Pan;D.Q. Zhao; and X.C.Chen (Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China).MORPHOLOGY AND ORIENTATION CHARACTERISTICS OF DIRECTIONALLY SOLIDIFIED α(A1)-Mg_2Si EUTECTIC[J]. J. Mater. Sci. Technol., 1996,9(5): 323-328 | |||||||||||||||||||||||||||||||||||||||||||||
| Copyright by J. Mater. Sci. Technol. | |||||||||||||||||||||||||||||||||||||||||||||