Surface preparation of stainless steel 316L, bronze CW451K and titanium Ti6Al4V for bonding to polyurethane in marine cable connector assemblies

Z. Makama, I. Doble, D. Nicholson, M. Webb, I. Beech, S. Campbell, James Smith

Research output: Contribution to journalArticlepeer-review

Abstract

Grit-blasting of stainless steel 316L, bronze CW451K and titanium Ti6Al4V used in marine/offshore cable connectors is described. For the former, no change in roughness was observed when using brown angular Al2O3 or black SiC grit of the same particle size. Finer SiC grit produced less rough surfaces. Blast pressure increased stainless steel roughness using SiC, although this was largely unchanged using Al2O3. Increased grit-embedment was observed using Al2O3 grit, which led to decreased bond strength to over-moulded primer and polyurethane. Ti6Al4V and stainless steel yielded the same roughness using Al2O3, although bronze had a rougher surface. Grit-embedment decreased in the order stainless steel>bronze>Ti6Al4V, in line with hardness values.
Original languageEnglish
Pages (from-to)237-243
Number of pages7
JournalTransactions of the Institute of Metal Finishing
Volume89
Issue number5
DOIs
Publication statusPublished - Sep 2011

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