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金属学报  2006 

AZ91D压铸镁合金的三维微观组织模拟

, PP. 1291-1297

Keywords: 镁合金,压铸,微观组织模拟,溶质场

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Abstract:

针对工程上应用广泛的AZ91D压铸镁合金,建立了其凝固过程中微观组织演化的数学物理模型.采用改进的三维微观元胞自动机(CA)模型,耦合三维溶质场计算,结合压铸镁合金进行了微观组织模拟.模拟结果再现了在多晶粒同时生长的情况下,初生晶间的溶质扩散、溶质富集直至共晶转变的全部演化过程.应用此模型模拟了实际AZ91D压铸件不同部位的微观组织,模拟结果与金相观察结果符合较好.

References

[1]  Xiong S M, Xu Q Y, Kang J W. Modeling and Simulation Technology in Casting Process. Beijing: China Machine Press, 2004: 140 (熊守美,许庆彦,康进武.铸造过程模拟仿真技术.北京:机械工业出版社,2004:140)
[2]  Thevoz P H, Desbiolles J L, Rappaz M. Metall Trans, 1989; 20A: 311
[3]  Kurz W, Giovanola B, Trivedi R. Acta Metall, 1986; 34: 823
[4]  Rappaz M, Thevoz P H. Acta Metall, 1987; 35: 1487
[5]  Nastac L. Acta Mater, 1999; 47: 4253
[6]  Xu Q Y, Liu B C. Chin J Mech Eng, 2001; 12: 328 (许庆彦,柳百成.中国机械工程,2001;12:328)
[7]  Feng W M, Xu Q Y, Liu B C. J Tsinghua Univ, 2003; 43: 605 (冯伟明,许庆彦,柳百成.清华大学学报, 2003;43:605)
[8]  Xu Q Y, Feng W M, Liu B C. Acta Metall Sin, 2002; 38: 799 (许庆彦,冯伟明,柳百成.金属学报, 2002;38:799)
[9]  Zhang P, Zeng D B. J Spec Cast Non-ferrous Alloys, 2000; 6: 55 (张鹏.曾大本.特种铸造及有色合金, 2000;6:55)
[10]  Chen Z H. Magnesium Alloy. Beijing: Chemical Industry Press, 2004: 108 (陈振华.镁合金.北京:化学工业出版社, 2004:108)
[11]  Liu B C. Chin J Mech Eng, 2000; 11: 67 (柳百成.中国机械工程, 2000;11:67)
[12]  Boettinger W J, Coriell S R, Greer A L, Karma A, Kurz W, Rappaz M, Trivedi R. Acta Mater, 2000; 48: 43
[13]  Beltran-Sanchez L, Stefanescu D M. Metall Mater Trans, 2003; 34A: 367
[14]  Beltran-Sanchez L, Stefanescu D M. Metall Mater Trans, 2004; 35A: 2471
[15]  Raghavan S, Krane M J M, Johnson D R. Modeling of Casting, Welding and Advanced Solidification Processes- X, Destin: TMS, 2003: 107
[16]  Li Q, Li D Z, Qian B N. Acta Matall Sin, 2004; 40: 1215 (李强,李殿中,钱百年.金属学报, 2004;40:1215)
[17]  Zhu M F, Dai T, Li C Y, Hong C P. Sci Chin, 2005; 35E: 673 (朱鸣芳,戴挺,李成允,洪俊杓.中国科学, 2005;35E: 673)
[18]  Zhu M F, Hong C P. ISIJ Int, 2002; 42: 520
[19]  Wang W, Lee P D, McLean M. Acta Mater, 2003; 51: 2971
[20]  ASM Handbook Committee. ASM Handbook, Volume 3: Alloy Phase Diagrams. Metals Park, Ohio: ASM International, 1992: 2.48
[21]  Hultgren R, Desai P D, Hawkins D T. Selected Values of the Thermodynamic Properties of Binary Alloys Metals Handbook. Metals Park, Ohio: ASM, 1973: 180
[22]  Liu Z, Zhang K, Zeng X Q. Theory and Application of Mg-based Light Alloy. Beijing: China Machine Press, 2002: 47 (刘正,张奎,曾小勤.镁基轻质合金理论基础及其应用.北京:机械工业出版社,2002:47)
[23]  Cui Z Q. Metallography and Heat Treatment. Beijing: China Machine Press, 1989: 94 (崔忠圻.金属学与热处理.北京:机械工业出版社,1989:94)
[24]  Lu S X, Gu K D, Zheng L S. Non-ferrous Cast Alloy and Melting. Beijing: National Defence Industry Press, 1983: 185 (陆树荪,顾开道,郑来苏.有色铸造合金及熔炼.北京:国防工业出版社, 1983:185)
[25]  Zeng R C, Ke W, Xu Y B. Acta Matall Sin, 2001; 37: 673 (曾荣昌,柯伟,徐永波.金属学报, 2001;37:673)
[26]  Wang Y S, Zhang Y B, Wang Q D, Ma C J, Ding W J, Zhu Y P. Acta Matall Sin, 2002; 38: 539 (王业双,张咏波,王渠东,马春江,丁文江,朱燕萍.金属学报,2002;38:539)

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