Laser surface alloying of steel with TiC
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Research and prospect of ceramics for automotive disc-brakes
2021, Ceramics InternationalCitation Excerpt :J.D. Ayers [20] found that the particles cracked when TiC was coated on aluminum bronze, but the bronze base was uncracked. S. Ariely [21] et al. conducted TiC particle cladding tests on the surface of carbon steel. Then, A.Y. Fasasi [22] also introduced fine TiC powder on the surface of low carbon steel for cladding treatment, and the Fe/TiC coating was obtained.
Formation of a titanium-carbide-dispersed hard coating on austenitic stainless steel by laser alloying with a light-transmitting resin
2018, VacuumCitation Excerpt :Titanium carbide is one of the hardest, most stable carbides, which makes it an effective reinforcement for improving wear properties [16]. Many researchers have reported on the laser-alloying process using titanium carbide [17–25]. When using powder as additional materials for the laser alloying process, inhomogeneity in the pre-placed powder thickness or powder scattering during laser irradiation makes it difficult to control the chemical composition of the laser-alloyed zone.
3D metal droplet printing development and advanced materials additive manufacturing
2017, Journal of Materials Research and TechnologyCitation Excerpt :Photolithography and stereolithography (SL) evolved as AM technologies using laser beams to cure (or solidify) photosensitive polymers leading to photolithography central to integrated circuit and multi-layer device fabrication which continues to evolve today. Simultaneously, powder spray and weld-metal overlay technologies evolved as a means to repair worn surfaces and associated surface degradation as well as surface (layer) modification or hardening using electron or laser beam melting of injected metal alloy or hard compound particles or powders [2–5]. A. Ciraud [6] in a 1972 patent, introduced the concept of metal layer fabrication by selectively melting powders using electron, laser or plasma beams.
Effect of pulse laser parameters on TiC reinforced AISI 304 stainless steel composite coating by laser surface engineering process
2015, Optics and Lasers in EngineeringCitation Excerpt :As melting temperature of TiC is (~3067 °C) much higher than the evaporation temperature of steel (~2000 °C), it is very important to select proper laser processing parameters, so that TiC particles can distribute in the molten pool without causing any defect. Again, TiC has limited solubility in steel and form no intermediate phases [31]. Therefore, to increase the hardness of steel substrate, TiC particles should distribute over the melt pool uniformly.
The influence of combined laser parameters on in-situ formed TiC morphology during laser cladding
2011, Surface and Coatings TechnologyCitation Excerpt :Dendritic, flower shape and spherical are morphologies that are observed by other researchers. The majority of these studies have focused on Ni based TiC composites [1–3] with fewer studies performed on Fe based-TiC composite coatings [4]. Chen et al. [5] used one laser condition with 5 kW power and observed the dendrites of TiC distributed in Fe–Al matrix.
Effect of laser cladding process parameters on clad quality and in-situ formed microstructure of Fe-TiC composite coatings
2010, Surface and Coatings TechnologyCitation Excerpt :Recently a number of researchers have investigated the use of laser cladding to produce TiC based coatings. The majority of these studies have focused on Ni based–TiC composites [4–6] with fewer studies performed on Fe based–TiC composite coatings [7–11]. This body of work can be divided into two primary approaches.