Design and development of the self-assemble Cu-Fe base composites

详细信息   全文下载|推荐本文 |

• 出版年：2005
• 作者：WANG Cui-ping；LIU Xing-jun；OHNUMA Ikuo；KAINUMA Ryosuke；ISHIDA Kiyohito
• 单位1：Department of Materials Scienceand Engineering
• 出生年：1963
• 学历：教授
• 语种：英文
• 作者关键词：phase diagram；liquid miscibility gap；composite materials；interfacial energy；Ma-rangoni motion
• 起始页：127
• 总页数：5
• 刊名：材料与冶金学报
• 是否内版：否
• 刊频：季刊
• 创刊时间：2002
• 主办单位：东北大学
• 主编：左良
• 地址：沈阳市文化路3号巷11号东北大学114信箱
• 邮编：110004
• 电子信箱：huji@chinajournal.net.cn
• 卷：4
• 期：2
• 期刊索取号：P750.6 334
• 数据库收录：俄罗斯《文摘杂志》(AJ，VINITI)；美国《化学文摘》(CA)；美国《剑桥科学文摘社网站：金属 索引》(CSA:MD，METADEX)；美国《剑桥科学文摘社网站：机械与运输工程文摘》(CSA:MT- EA)；美国《剑桥科学文摘社网站：机械工程文摘》(CSA：MEA)；美国《剑桥科学文摘社网站：土 木工程文摘》(CSA：CEA)；美国《剑桥科学文摘社网站：腐蚀文摘》(CSA:CorrA)；美国《剑桥科 学文摘社网站：电子与通讯文摘》(GSA:ECA)；《中国学术期刊（光盘版）》和《中国期刊网》全文 数据

摘要

The Cu-Fe base alloys with liquid immiscible were prepared by gas atomization techniqueand conventional solidification process, the self-assemble composite microstructures in powders andbulk materials can be obtained under gravity conditions, respectively, and the minor liquid phase alwaysforms the center of composite microstructure. It is shown that the formation of the core-typemacroscopic morphology is strongly connected with the existence of a stable miscibility gap of the liquidphase in the Cu-Fe base alloys. This result can be explained by a mechanism that the minor dropletsas the second phase are forced to move into the thermal center due to Marangoni motion, which iscaused by the temperature dependence of interfacial energy between two liquid phases.