期刊
MATERIALS LETTERS
卷 65, 期 12, 页码 1862-1864出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2011.03.053
关键词
Equal channel angular extrusion; Diffusion bonding; Bonding temperature; Holding time; Shear strength
资金
- Iran National Science Foundation
- Research Board of Sharif University of Technology
A new method for production of bimetallic rods, utilizing the equal channel angular extrusion (ECAE) process has been introduced before by previous researchers, but no attempt has been made to assess the effect of different temperatures and holding times in order to achieve a diffusional bond between the mating surfaces. In present research copper sheathed aluminum rods have been ECAEed at room temperature and subsequently held at a constant ECAE pressure, at different temperatures and holding times to produce a diffusional bond between the copper sheath and the aluminum core. The bonding quality of the joints was examined by shear strength test and a sound bonding interface was achieved. Based on the results, a bonding temperature of 200 degrees C and holding time of 60-80 min yielded the highest shear strength value. (C) 2011 Elsevier B.V. All rights reserved.
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