Abstract
Improving material properties such as surface hardness and wear resistance play a vital role in modern industrial applications. Surface coating techniques offer a practical approach to achieve these improvements. This study focuses on laser cladding as a method to coat ST37 structural steel material with WC, ST6, ST21 and Ferro55 powders and investigates the resulting surface hardness. ST37 structural steel with a base hardness of 120 HV was used as the starting material. Laser cladding was used to apply WC, ST6, ST21 and Ferro55 powders to the steel surfaces using various process parameters. Hardness measurements of the laser cladded samples were carried out using HV0.3 load for evaluation. The study examines the surface hardness differences between ST37 steel samples coated with different powders, highlighting the highest and lowest hardness values.
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