tailoring the mechanical properties of laser cladding
Oct 10, 2016 · The tensile and fatigue properties of as-built AM Ti-6Al-4V (with machined or polished surfaces) can be made comparable, or even superior, to those of Ti-6Al-4V in the most commonly used mill-annealed condition. However, these properties can exhibit a large degree of scatter and are often anisotropic, affected by AM build orientations.
Tailoring grain refinement through thickness in magnesium alloy via Effect of rare-earth on friction and wear properties of laser cladding Ni-based coatings on 6063Al journal the tensile mechanical properties were evaluated at room temperature in the longitudinal direction with respect to the processing one in order to observe the Analytical and Experimental Study of Laser Cladding of v Sayeed, Mohammed M.Tech., Indian Institute of Tech, 1990 M.S.M.E., U of Houston, 1994 Analytical and Experimental Study of Laser Cladding of Ni/WC
direct laser deposition, internal defects such as pores, non-fusion, and cracks are easily produced in the cladding layers . These defects can greatly weaken the mechanical properties of Inconel 718 structures and restrict its wide application. To address these issues, extensive research has been launched in recent years to decrease the Effect of Laser Remelting on Cladding Layer of Inconel 718 The brittle phase (Laves) of Inconel 718 parts formed by laser metal deposition (LMD) represents a bottleneck of the engineering applications. In order to investigate effectiveness of laser remelting (LR) technology on suppressing the formation of Laves phase, different laser scanning speeds of the LR process were adopted to build and remelt the single-pass cladding layers.
Due to the repeated heat action, laser cladding has significant effects on mechanical properties of substrates and added materials which will affect the fatigue performance of samples. Kattire et al.  pointed out that the increase of laser power and the decrease of laser scanning velocity increased the residual compressive stresses of the repaired dies, which could impede the crack propagation. Effects of three-dimensional vibration on laser cladding During the application of mechanical vibration on laser cladding, the molten metal will be significantly affected by the excitation of mechanical vibration. To further understand the complex effects of vibration on the molten pool, the vibration assisted laser melting process was numerically analyzed using comsol multiphysics software.
Local material properties of the cladding layer, heat affected zone and substrate of laser cladded hypereutectoid steel rails were evaluated by uniaxial tensile tests on miniature specimens. Three laser cladding materials, i.e. 410 L, SS420 and Stellite 6, and two Evaluation of the mechanical properties of laser cladded Local material properties of the cladding layer, heat affected zone and substrate of laser cladded hypereutectoid steel rails were evaluated by uniaxial tensile tests on miniature specimens. Three laser cladding materials, i.e. 410 L, SS420 and Stellite 6, and two
Laser cladding (LC) is one of the direct metal deposition additive manufacturing process used for repairing localized damage and protect the substrate surface while working in high wear and corrosive environments, which will extend the service life of the components . In LC, the laser heat source simultaneously melts the powder being fed coaxially and the substrate surface producing a layer of Influence of heat treatment on microstructures and Jun 25, 2019 · The K447A laser-cladding experiment is performed on a self-built laser platform including an YLS-2000 fiber laser machine and paraxial powder-feeding device (shown in Fig. 2), which helps to elevate the molten pool and thus reduce the influence of heat on the BM shown as the schematic diagram of laser cladding process in Fig. 2.In this study, the parameters given in Table 2 are adopted
Laser Metal Deposition Shaping (LMDS) is a state-of-the-art technology that combines rapid prototyping and laser processing. There are many factors affecting the quality, precision, microstructure and performance of LMDS-deposited parts. Among them, dilution ratio is a significant one since it is not only an important index to judge the laser cladding quality, but directly affects the Laser Cladding Process 5 Important Uses AdvantagesLaser cladding is one such cladding process that deposits material by using lasers. The process involves melting a powdered or wired feedstock material with the help of lasers for coating portions of a substrate or for fabricating ELOGIUM vestibulum technology.
Sep 11, 2020 · The wide range of materials that can be deposited and its suitability for treating small areas make laser cladding particularly appropriate to tailor surface properties to local service requirements and it opens up a new perspective for surface engineered materials. Laser Cladding of Metals SpringerLinkLaser cladding is an additive manufacturing technology capable of producing coatings due to the surface fusion of metals. The wide range of materials that can be deposited and its suitability for treating small areas make laser cladding particularly appropriate to tailor surface properties to local service requirements and it opens up a new
Laser cladding is an additive manufacturing technology capable of producing coatings due to the surface fusion of metals. The wide range of materials that can be deposited and its suitability for treating small areas make laser cladding particularly appropriate to tailor surface properties to local service requirements and it opens up a new Laser cladding - ResearchGateLaser cladding is a coating process which uses a laser beam to melt the coating material and a thin layer of the substrate to form a low dilution, pore- and crack-free coating, perfectly bonded to
Mar 23, 1999 · Abstract. Laser cladding is a hardfacing process that uses a high-powered laser beam to melt the coating material and a thin layer of the substrate to form a pore- and crack-free coating 50 m2 mm thick with low dilution that is perfectly bonded to the substrate. The process may be used for large area coverage by overlapping individual tracks, but it is the ability to protect smaller, localized areas Measurement of Weld Zone Properties of Laser-Welded Tailor Weld zones in tailor welded blanks have different mechanical properties than the base metals and thus have significant effects on formability. In this work, flow stresses of weld zones in laser-welded dissimilar dual-phase steels were measured. Strains at the weld zones of notched specimens were measured using the digital image correlation method and the flow stress data were corrected
Laser cladding is a hardfacing process that uses a high-powered laser beam to melt the coating material and a thin layer of the substrate to form a pore- and crack-free coating 50 m2 mm thick Microstructure and mechanical properties OF laser cladding. The concept is to melt a metal powder, with appropriate mechanical properties, using a laser beam, to form a track of solid metal fused with the substrate material to form a metallurgical bond . There has been great interest in using laser cladding as a
cladding. The concept is to melt a metal powder, with appropriate mechanical properties, using a laser beam, to form a track of solid metal fused with the substrate material to form a metallurgical bond . There has been great interest in using laser cladding as a Microstructure and mechanical properties of TiCTiN Nov 10, 2020 · The laser cladding experiments were conducted in an open-loop control system consisting of a 500W YLR-500 optical fiber laser, water cooler, powder feeder, and a KUKA robot, the detail introduction has been reported in literature .The offline software RobotArt was used to design cladding paths, the design and optimization of the cladding strategies have been discussed in detail
The pulsed laser cladded IN718 coatings were fabricated with different scanning speeds of laser cladding, the microstructure and Nb segregation in Laves phase were analysed, the microhardness and the wear resistance of the cladded coatings were investigated. Microstructure and properties of laser clad Fe-based A fiber laser (YLS-4000, IPG, USA) equipped with KUKA 6-axis robot (KR30HA), coaxial laser cladding head (YC52), and powder feeder robot (AFS-PF-D) were utilized in laser cladding. The schematic diagram of laser cladding is as shown in Fig. 1. The inert gas Ar gas was employed to transport the powder and protect the molten pool from oxidation.
Laser cladding Ni-based WC reinforced composite coating was fabricated on the surface of Q235 steel using 6 KW fiber laser. The morphology, composition, microhardness and wear resistance of the composite coating at varied contents of WC particles were studied using scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), microhardness tester and a Microstructures and Wear Resistance of FeCoCrNi-Mo The rapid heating and cooling rate of laser cladding can rene the microstructures of the coating, and the combination of the two aspects can achieve the complementary e ect and further increase the mechanical properties of the coating. Moreover, the thermal stability of diamond is poor. In the laser cladding process of diamondHEA
mechanical properties, wear and corrosion resistance. Detailed process development is required to tailor the coating properties for each application within the steel works (Fig. 3). The initial results from line trials were extremely encouraging whereby compo-nents that were laser clad, obtained unprec-edented wear and corrosion performance. Optimization of processing parameters in fiber laser claddingOct 29, 2020 · Laser cladding of steel is a promising solution to wear and corrosion resistance, and to the improvement of the mechanical properties of the cladded surface. The properties of cladded components depended on the clad geometry. The clad geometry was governed by the processing parameters. In this study, a cored wire with a sheath made of 95 wt% Co and 5 wt% Fe, with an outer
The mechanical properties of the cladded specimens were evaluated after laser cladding. Our results revealed that the weldability of ductile cast iron can be enhanced by performing laser surface pretreatment to sublimate graphite nodules. Microhardness at the interface of the laser cladded weldments depended largely on the range of the heat Residual Stress Generation during Laser Cladding of Steel Jul 17, 2006 · C Guo, J-S Zhou, J-R Zhao, J-M Chen, Improvement of the tribological properties of pure Ti by laser cladding intermetallic compound composite coating, Proceedings of the Institution of Mechanical Engineers, Part J:Journal of Engineering Tribology, 10.1177/1350650111409665, 225, 8, (864-874), (2011).
compare the mechanical properties of the new layer of the material and base material. 2.3. Nozzle used for the laser cladding experiment Analysis of the laser cladding literature identified various laser cladding nozzles, which differ mainly according to the type of material supplied and the method of material input . Tailoring the Mechanical Properties of 3D Microstructures Tailoring the Mechanical Properties of 3D Microstructures Using Visible Light PostManufacturing. Marvin Gernhardt. School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000 Australia The photochemistry of anthracene, a new class of photoresist for direct laser
Tailoring the Mechanical Properties of Laser Cladding-Deposited Ferrous Alloys with a Mixture of 410L Alloy and Fe-Cr-B-Si-Mo Alloy Powders Huang, Sheng Li, Dichen Tailoring the Mechanical Properties of Laser Cladding Tailoring the Mechanical Properties of Laser Cladding-Deposited Ferrous Alloys with a Mixture of 410L Alloy and Fe-Cr-B-Si-Mo Alloy Powders Huang, Sheng Li, Dichen
Then, 410L + 12.5% FeCrBSiMo alloy powder was successfully deposited onto AISI 1060 steel substrate via laser cladding deposition, and the mechanical properties met those of the substrate, which verified that tailoring the mechanical properties of the laser cladding-deposited alloys with a mixture of 410L and FeCrBSiMo alloy powders for steel repairing applications is a feasible solution. What is Metal Cladding - Process , types , AdvantagesLaser cladding is a method of depositing material by which a powdered or wire feedstock material is melted and consolidated by use of a laser in order to coat part of a substrate or fabricate a near-net shape part (additive manufacturing technology) It is often used to improve mechanical properties or increase corrosion resistance, repair worn
two materials. The proposed method is to tailor the mechanical properties of ferrous alloys with a mixture of 410L and FeCrBSiMo alloy powders via laser cladding deposition, such that the mechanical property meets the requirements of the steel parts. The microstructure and mechanical