Liquid phase sintering of the commercial 2xxx series Al blended powder

被引：15
|
作者：
Min, Kyung Ho
Kang, Shin Pil
Lee, Baek-Hee
Lee, Jeong-Keun
Do Kim, Young [1 ]
机构：
[1] Hanyang Univ, Div Mat Sci & Engn, Seoul 133791, South Korea
[2] Korean Agcy Technol & Stand, Gwacheon 427020, South Korea
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2006年 / 419卷 / 1-2期
关键词：
2xxx Series Al; transient liquid phase sintering; supersolidus liquid phase;
D O I：
10.1016/j.jallcom.2005.09.070
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The sintering characteristics of a commercial 2xxx series Al blended powder were studied with respect to compacting pressure, sintering time and temperature. The optimum compacting pressure and sintering temperature were determined to be 200 MPa and 610 degrees C. The powder sintered at 550 degrees C had a sintered density of 89.7% of the theoretical value. At a sintering temperature of 610 degrees C and a sintering time of 0 min, the density of sintered powder was 91.6%. The sintered density increased up to 93.2% when the sintering time was increased to 600 min at 610 degrees C. Both transient and supersolidus liquid phases were formed during the sintering process. The transient liquid phase diffused into the Al matrix during the heating stage. It was concluded that the supersolidus liquid improved the sinterability of the powder during the sintering process. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：290 / 293
页数：4
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