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Ur Rahman, Naveed
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Publications (6/6 displayed)
- 2020Porous materials additively manufactured at low energycitations
- 2019Laser metal deposition of vanadium-rich high speed steel: Microstructuraland high temperature wear characterizationcitations
- 2019Wear characterization of multilayer laser cladded high speed steelscitations
- 2019Directed energy deposition and characterization of high-carbon high speed steelscitations
- 2018Wear characterization of thick laser cladded high speed steel coatings
- 2018Development and characterization of multilayer laser cladded high speed steelscitations
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document
Wear characterization of thick laser cladded high speed steel coatings
Abstract
The wear behavior of three laser cladded high speed steel (HSS) alloys and one conventional spun cast HSS alloy was investigated by using a pin on disc tribometer at room temperature as well as at 500°C. Due to higher hardness and refined microstructure, laser cladded HSS alloys showed superior wear resistance and steady coefficient of friction at room temperature. But at 500°C, the casted HSS alloy showed the best wear resistance due to the rapid development of a stable oxide tribofilm. Among the laser cladded HSS alloys, the alloy with greater carbide volume fraction showed superior wear resistance at 500°C.