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The enhancement of life and the performance of metal engineering components is mainly determined by surface characteristics. The latter has a pivotal role in enhancing the life of products since they control the mechanical, electrical, thermal, and electronic properties. Nevertheless, the surface and near-surface properties are crucial in failure mechanisms since the loss of performance and failures mostly begin from the surface. Research advances in the designing, processing, and characterizing of textured surfaces broadly support innovative industrial applications and products.The performance improvement in engineering components during operation is a challenging issue and surface engineering methods have been attracting considerable interest in both research and industrial fields. Even though many attempts have been made to face the wear of metals by tuning the physical, chemical, mechanical, and metallurgical properties of their surfaces, several important aspects need to be still deepened.The present book collects original research papers and a review that covers the latest development in methods for enhancing the life and functionality of engineering components by tuning the physical, chemical, mechanical, and metallurgical properties of their surfaces. Attention is focused on processing and characterizing methods capable of supporting industrial applications and products to both tackle surface degradation and improve the performance and reliability of components.

HVOF coatings --- sliding wear --- brake systems --- magnesium alloy --- forging --- fatigue --- microstructure --- plasma electrolytic oxidation (PEO) --- micro arc oxidation (MAO) --- electroplating --- Ni–P coatings --- SiC particles --- heat treatment --- wear --- laser hardening --- ausferrite --- austempered ductile iron --- nodular iron --- hardfacing --- high chromium cast iron --- erosion tests --- wear resistance --- n/a --- Ni-P coatings

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Laser processing has become more relevant today due to its fast adaptation to the most critical technological tasks, its ability to provide processing in the most rarefied and aggressive mediums (vacuum conditions), its wide field of potential applications, and the green aspects related to the absence of industrial cutting chips and dust. With the development of 3D production, laser processing has received renewed interest associated with its ability to achieve pointed to high-precision powder melting or sintering. New technologies and equipment, which improve and modify optical laser parameters, contribute to better absorption of laser energy by metals or powder surfaces and allow for multiplying laser power that can positively influence the industrial spread of the laser in mass production and advance the existing manufacturing methods. The latest achievements in laser processing have become a relevant topic in the most authoritative scientific journals and conferences in the last half-century. Advances in laser processing have received multiple awards in the most prestigious competitions and exhibitions worldwide and at international scientific events. The Special Issue is devoted to the most recent achievements in the laser processing of various materials, such as cast irons, tool steels, high entropy alloys, hard-to-remelt materials, cement mortars, and post-processing and innovative manufacturing based on a laser.

Technology: general issues --- History of engineering & technology --- composition --- laser bionic unit --- tensile properties --- wear resistance --- laser remelting --- ductile iron --- bionic crack blocked unit --- repair discontinuously --- thermal fatigue crack --- laser melting --- biomimetic model --- brake pads --- surface wear --- laser cladding --- high entropy alloy --- specific energy --- phase transformation --- anticorrosion steel --- hardness --- laser powder bed fusion --- microroughness --- tensile test --- corrosion susceptibility --- defocusing --- microstructure --- offset --- stress relief heat treatment --- ultrasonic peening --- surface roughness --- laser polishing --- quadratic laser spot --- tool steel 1.2379 --- area rate --- cement-based material --- laser scabbling --- microstructural analysis --- chemical analysis --- thermal properties --- laser treatment --- cast irons --- mechanical properties --- wear --- energy excess --- heat diffusion --- laser beam mode --- numerical simulation --- profiling --- power density distribution --- thermal conductivity --- surface cleaning --- selective laser melting --- atmospheric plasma sources --- dielectric barrier discharge --- nickel alloy --- titanium alloy --- n/a