Paper Title:
Effect of Working Temperature on Microstructure and Mechanical Properties of Ultrafine Grained Al and Al-5vol.%SiCp Composite Processed by Accumulative Roll-Bonding
  Abstract

The effect of working temperature on microstructure and mechanical properties of ultrafine grained monolithic Al and Al-5vol.%SiCp composite processed by accumulative roll bonding (ARB) was studied. The ARB was performed up to eight cycles (an equivalent strain of ~6.4) without lubricant. The working temperature was varied from ambient temperature to 200 C. The samples processed at temperatures below 100C exhibited an ultrafine grained structure over almost all regions. However, the samples processed at 200C showed an inhomogeneous structure in which a few coarse grains due to an occurrence of conventional recrystallization is partially seen. The tensile strength of both the monolithic Al and the composite decreased with increasing the ARB working temperature. The variation of microstructure and mechanical properties of the composite with the working temperature was compared to that of the monolithic aluminum.

  Info
Periodical
Materials Science Forum (Volumes 534-536)
Edited by
Duk Yong Yoon, Suk-Joong L. Kang, Kwang Yong Eun and Yong-Seog Kim
Pages
1381-1384
DOI
10.4028/www.scientific.net/MSF.534-536.1381
Citation
S. H. Lee, S. Y. Chang, S. T. Oh, "Effect of Working Temperature on Microstructure and Mechanical Properties of Ultrafine Grained Al and Al-5vol.%SiCp Composite Processed by Accumulative Roll-Bonding", Materials Science Forum, Vols. 534-536, pp. 1381-1384, 2007
Online since
January 2007
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Seong Hee Lee, C.H. Lee, Si Young Chang
Abstract:Aluminum based metal matrix composite (MMC) was processed by accumulative roll bonding (ARB) for ultra grain refinement and high...
613
Authors: Seong Hee Lee, Seung Zeon Han, Cha Yong Lim
Abstract:Accumulative roll-bonding (ARB) process was applied to an oxygen free copper for improvement of the mechanical properties via ultra grain...
239
Authors: Seong Hee Lee, Tetsuo Sakai, C.H. Lee, Yong Ho Choa
Abstract:Nano-structured aluminum was fabricated by accumulative roll-bonding (ARB) process using different rolling methods. One is the ARB using...
327
Authors: Seong Hee Lee, Seung Zeon Han, Cha Yong Lim
Abstract:The difference in annealing characteristics of oxygen free copper (OFC) and deoxidized low-phosphorous copper (DLP) processed by ARB was...
1373
Authors: Seong Hee Lee, Sang Shik Kim, Seung Zeon Han, Cha Yong Lim
Abstract:The effects of strain rate in rolling on microstructures and mechanical properties of a nano-grained high purity copper processed by...
71