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What is PTWA Coating for Aluminum Cylinder Bores about?

Ford Motor Company and Flame Spray Industries developed a Plasma Transferred Wire Arc (PTWA) process for applying wear-resistant thermal spray coatings to aluminum engine cylinder bores, addressing challenges in coating adhesion and performance. The process demonstrated high production capability, achieving over 3 million miles of testing with zero coating failures, while maintaining excellent performance metrics. A novel fluoride-based flux surface preparation technique was key to achieving strong bonding

Author

engperf

Language

EN