ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
The accumulative roll bonding (ARB) process is one of the methods to refine the grainsize of metallic materials. The ARB process up to 8 cycles was performed for the pure Cu and Cu-Fe-P (PMC-90) alloy at ambient temperature under no lubricant conditions. In the pure Cu, thenano-sized grains were formed after third cycle with an average grain size of 200nm. Once the 200nm grains formed, further reduction in the grain size was not observed up to the 8 ARB processcycles. On the other hand, the formation of the stable nano-sized grains in PMC-90 alloy wasretarded compared to the pure Cu due to the alloying elements. For both alloys, the tensile strengthvalues increased drastically in the initial stage of ARB process. The tensile strength values of bothalloys tended to saturate after the third ARB process cycle. The tensile elongation value greatlydecreased by 1 cycle of ARB process due to the strain hardening. After the third cycle of ARBprocess, each alloy showed a gradual increase in tensile elongation due to the dynamic recovery.For PMC-90 alloy, the strength value is higher than that of OFC due to addition of the alloyingelements
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.2849.pdf
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