金属学报  2006, Vol. 42 Issue (11): 1171-1176

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Gasar工艺获得均匀藕状多孔结构的气压选择

张华伟 李言祥 刘 源

清华大学机械工程系; 先进成形制造教育部重点实验室; 北京 100084

Gas Pressure Condition for Obtaining Uniform Lotus--Type Porous Structure by Gasar Process

ZHANG Huawei; LI Yanxiang; LIU Yuan

Key Laboratory for Advanced Materials Processing Technology; Ministry of Education; Department of Mechanical Engineering; Tsinghua University; Beijing; 100084

张华伟; 李言祥; 刘源 . Gasar工艺获得均匀藕状多孔结构的气压选择[J]. 金属学报, 2006, 42(11): 1171-1176 .
, , . Gas Pressure Condition for Obtaining Uniform Lotus--Type Porous Structure by Gasar Process[J]. Acta Metall Sin, 2006, 42(11): 1171-1176 .

摘要 参考文献 相关文章 Metrics 全文: PDF(889 KB)   摘要: 在用金属-气体共晶定向凝固(Gasar)制备藕状规则多孔金属的工艺中，气体压力是对多孔结构影响最大且最方便调控的工艺参数。本文给出了Gasar工艺中所用气体种类的选择原则，并通过分析Gasar凝固过程，给出了获得指定气孔率且气孔尺寸分布和位置分布都均匀一致的理想藕状多孔结构的气压选择条件，并从以Mg-H系为例的实验结果得到了验证，为实验制备高质量的藕状多孔金属提供了具体的参数指导。 关键词 ： Gasar,  定向凝固,  多孔金属,  藕状结构,  共晶     Abstract：Gas pressure is the effective and most easily controlled parameter for fabricating lotus-type porous metals with long cylindrical regular ordered pores by unidirectional solidification of metal-gas eutectic. The kind of gas which is applicable for Gasar process was discussed in this article. Gas pressure condition for obtaining uniform lotus-type porous structure in which the spatial distribution and the size of pores both are highly uniform has been established through analyzing the influence of gas pressure on the position of eutectic point and solidification mode (eutectic, hypereutectic and hypoeutectic mode), and comparing the homogeneity of lotus-type porous structures obtained under three solidification mode. As an example, the experimental results of magnesium and hydrogen system verified the above theory. Key words： Gasar    unidirectional solidification    porous metal    lotus-type structure    eutectic 收稿日期: 2006-03-28      ZTFLH:  TG249   服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 张华伟 李言祥 刘源 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y2006/V42/I11/1171 [1] Shapovalov V I. US Pat, 5 181 549, 1993 [2] Shapovalov V I. MRS Bull, 1994; 4: 24 [3] Liu Y, Li Y X, Wan J, Zhang H W. Mater Sci Eng, 2005; A402: 47 [4] Li Y X, Liu Y, Zhang H W, Wang X. In: Nakajima H, Kanetake N eds., Proceedings of Metal Foam 2005, Osaka: The Japan Institute of Metals, 2006: 237 [5] Shapovalov V I, Boyko L. Adv Eng Mater, 2004; 6: 407 [6] Wolla J M, Provenzano V. Mater Res Soc Symp Proc, 1995; 371: 377 [7] Kovacik J. Acta Mater, 1998; 46: 5413 [8] Simone A E, Gibson L J. Acta Mater, 1996; 44: 1463 [9] Hyun S K, Murakami K, Nakajima H. Mater Sci Eng, 2001; A299: 241 [10] Xie Z K, Ikeda T, Okuda Y, Nakajima H. Mater Sci Eng, 2004; A386: 390 [11] Xie Z K, Ikeda T, Okuda Y, Nakajima H. Mater Sci Forum, 2004; 449-452: 661 [12] Ogushi T, Chiba H, Nakajima H, Ikeda T. J Appl Phys, 2004; 95: 5843 [13] Tane M, Hyun S K, Nakajima H. J Appl Phys, 2005; 97: 103701 [14] Liu Y, Li Y X, Zhang H W, Wan J. Acta Metall Sin, 2005; 41: 886 (刘源,李言祥,张华伟,万疆．金属学报,2005;41:886) [15] Liu Y, Li Y X, Zhang H W, Wan J. Rare Met Mater Eng, 2005; 34: 1128 (刘源,李言祥,张华伟,万疆．稀有金属材料与工程, 2005;34:1128) [16] Liu Y, Li Y X, Zhang H W. Acta Metall Sin, 2004; 40: 1121 (刘源,李言祥,张华伟．金属学报, 2004;40:1121) [17] Xie Z K, Ikeda T, Okuda Y, Nakajima H. Mater Sci Forum, 2004; 449-452: 661 [18] Nakajima H, Hyun S K, Ohashi K, Ota K, Murakami K. Colloids Surf, 2001; A179: 209 [19] Suematsu Y, Hyun S K, Nakajima H. J Jpn Inst Met, 2004; 68: 257 (末松佳记,玄丞均,中屿英雄．日本金属学会志, 2004;68: 257) [20] Ikeda T, Aoki T, Nakajima H. Metall Mater Trans, 2005; A36: 77 (玄丞均,池田辉之,中(?)英雄．日本金属学会志, 2004;68: 39) [21] Nakahata T, Nakajima H. Mater Sci Eng, 2004; A384: 373 [22] Hyun S K, Ikeda T, Nakajima H. J Jpn Inst Met, 2004; 68: 39 [23] Hyun S K, Ikeda T, Nakajima H. Sci Technol Adv Mater, 2004; 5: 201 [24] Hyun S K, Nakajima H. Adv Eng Mater, 2002; 4: 741 [25] Nakahata T, Nakajima H. Mater Trans, 2005; 46: 587 [26] Yasuda H, Ohnaka I, Dhindaw B W, Takezawa N, Fujimoto S, Nagira T, Tsuchiyama A, Nakano T, Uesugi K. In: Nakajima H, Kanetake N, eds., Proceedings of Met Foam 2005, Osaka: The Japan Institute of Metals, 2006: 289 [27] Liu Y, Li Y X, Zhang H W, Wan J. Spec Cast Nonferrous Alloy, 2005; 25: 1 (刘源,李言祥,张华伟,万疆．特种铸造及有色合金, 2005;25:1) [28] An G Y. Formation Theory of Castings. Beijing: China Machine Press, 1989: 173 (安阁英．铸件形成理论．北京:机械工业出版社,1989:173) [29] Shapovalov V I, Semik A P, Timchenko A G. Russ Metall, 1993; (3): 21 [30] Yamamura S, Shiota H, Murakami K. Mater Sci Eng, 2001; A318: 137 [31] Schwarz H, Exner H E. J Microsc, 1983; 129: 155 [32] Zhang H W, Li Y X, Liu Y. Acta Metall Sin, 2005; 41: 55 (张华伟,李言祥,刘源．金属学报, 2005;41:55) [33] Liu Y, Li Y X, Wan J, Zhang H W. In: Nakajima H, Kanetake N eds., Proceedings of Met Foam 2005, Osaka: The Japan Institute of Metals, 2006: 241 [1] 马德新, 赵运兴, 徐维台, 王富. 重力对高温合金定向凝固组织的影响[J]. 金属学报, 2023, 59(9): 1279-1290. [2] 张健, 王莉, 谢光, 王栋, 申健, 卢玉章, 黄亚奇, 李亚微. 镍基单晶高温合金的研发进展[J]. 金属学报, 2023, 59(9): 1109-1124. [3] 苗军伟, 王明亮, 张爱军, 卢一平, 王同敏, 李廷举. 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