Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 1 of 1
Full-Text Articles in Engineering
Improving Tribological Properties Of Cast Al-Si Alloys Through Application Of Wear-Resistant Thermal Spray Coatings, David Culliton, Tony Betts, Sandra Carvalho, David Kennedy
Improving Tribological Properties Of Cast Al-Si Alloys Through Application Of Wear-Resistant Thermal Spray Coatings, David Culliton, Tony Betts, Sandra Carvalho, David Kennedy
Articles
Flame Spray Thermal Spray coatings are low-cost, high-wear surface-treatment technologies. However, little has been reported on their potential effects on cast automotive aluminum alloys. The aim of this research was to investigate the tribological properties of as-sprayed NiCrBSi and WC/12Co Flame Spray coatings applied to two cast aluminum alloys: high-copper LM24 (AlSi8Cu3Fe), and low-copper LM25 (AlSi7Mg). Potential interactions between the mechanical properties of the substrate and the deposited coatings were deemed to be significant. Microstructural, microhardness, friction, and wear (pin-on-disk, microabrasion, Taber abrasion, etc.) results are reported, and the performance differences between coatings on the different substrates were noted. The …