Interface Properties of Copper/Aluminum/Stainless Steel Clad Materials

Abstract:

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Copper/aluminum/stainless steel (Cu/Al/STS) clad materials were made by rolling and heat treatment process. These specimens were evaluated the formability and bonding strength of Cu/Al/STS clad materials. Thin disc specimens for TEM observation were prepared from the interfaces of Cu/Al and Al/STS by using the Focused Ion Beam (FIB) utility. Brittle oxide film formed on copper surface during heat treatment at 673K~773K. Diffusion bonding was observed at the interface of Cu/Al. Reacted region was formed in the interface of Al/STS with width about 10nm, while in the case of Cu/Al was formed about 1,600nm width. It was also observed nanosized crevice in reacted region of Al/STS interfaces.

Info:

Periodical:

Key Engineering Materials (Volumes 345-346)

Edited by:

S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim

Pages:

1497-1500

DOI:

10.4028/www.scientific.net/KEM.345-346.1497

Citation:

D. S. Bae et al., "Interface Properties of Copper/Aluminum/Stainless Steel Clad Materials", Key Engineering Materials, Vols. 345-346, pp. 1497-1500, 2007

Online since:

August 2007

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Price:

$35.00

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