Tribology and Materials | Volume 3 | Issue 4 | 2024 | 187-196


Influence of plasma nitriding on tribological performance of HVOF sprayed AISI 316L and AISI 420 stainless steel coatings

Zuleyha Taskan, Elif Ozturk, Selman Tezcan, Harun Mindivan

Bilecik Şeyh Edebali University, Bilecik, Turkey

 

Abstract: Low-carbon steel has been widely used in various industrial applications and undergoes different surface treatments in contemporary practices to enhance wear resistance, corrosion resistance and hardness. Wear is a primary cause of damage to machine components under varying conditions like temperature, humidity, load and speed. This study focuses on improving wear resistance through coating applications. A reciprocal tribological test was conducted under a 30 N load with a 57.5 m sliding distance at 2500 cycles and 20 mm/s sliding speed. Two coatings, AISI 316L austenitic and AISI 420 martensitic stainless steel were applied using the HVOF method and subjected to plasma nitriding at 450 and 500 °C. Tests verified that the HVOF sprayed AISI 316L stainless steel coating nitrided at 450 °C offers the best wear resistance.

Keywords: high velocity oxygen fuel, low-carbon steel, plasma nitriding, stainless steel, wear rate.

Received: 08-10-2024, Revised: 14-11-2024, Accepted: 28-11-2024

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