The cold roll bonding process of a laminar metal composite consists of three steps, i.e., surface treatment, cold roll bonding, and heat treatment. The surface pretreatment is the precondition of obtaining a metal composite with a superior bonding level. The influence of the steel plate surface condition on the bonding strength is studied, based on the bonding mechanism of a laminar metal composite by cold roll bonding. Flap disc grinding is a better surface treatment than wire brushing for obtaining high bonding strength. Within a certain range, the larger the surface roughness, the higher the bonding strength. Comparing different grinding textures, viz longitudinal, transverse, and 45° with respect to the rolling direction, it was revealed that the longitudinal surface texture was more advantageous for bonding.
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Acknowledgments
The present study was financed by the National High-Tech Research and Development Program (2013AA031301) and Chinese National-International Scientific and Technological Cooperation Project (2013DFB50170). The authors would like to thank the University of Science & Technology Beijing (USTB) for providing rolling mill and materials used in this work.
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Translated from Problemy Prochnosti, No. 1, pp. 172 – 178, January – February, 2015.
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Tang, C., Liu, Z., Zhou, D. et al. Surface Treatment with the Cold Roll Bonding Process for an Aluminum Alloy and Mild Steel. Strength Mater 47, 150–155 (2015). https://doi.org/10.1007/s11223-015-9641-3
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DOI: https://doi.org/10.1007/s11223-015-9641-3