A comparative study was done on the structure and tribological properties of arc sprayed coatings and arc surfaced layers of TRIP steel. An iron alloy feedstock was used due to its ability to form a metastable austenite structure in both sprayed and surfaced layers that can be transformed to hard martensite by an applied external load. Microstructural and phase analysis and adhesive and abrasive wear tests were conducted to evaluate the coatings and surfaced layers. Differences in properties are explained based on input energy parameters.

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