Synthesis and characterization of MoS2/Ti composite coatings on Ti6Al4V prepared by laser cladding.pdf The morphology of laser cladding layer was2.In-situ ultrasonic-assisted laser cladding - IOPscienceJun 19,2019·Laser cladding has been widely applied to provide excellent surfaces or coatings to improve the hardness and wear resistance .As a new surface strengthening and repairing technology,laser cladding has advantages of limited heat affected zone,small stress deformation and excellent metallurgical bonding with the substrate.Author Anand M.Murmu,S.K.Parida,A.K.DasPublish Year 2021Development and characterization of laser surface cladding Jul 01,2012·To improve the wear resistance of steel components,laser surface cladding (LSC) was applied to deposit (Ti,W)C reinforced Ni-30Cu alloy composite coating on steel using a cladding interlayer of Ni-30Cu alloy by Nd:YAG laser.The microstructure and phases of the composite coating were investigated by scanning electron microscopy (SEM),X-ray diffraction (XRD) and X-ray energy
Cu-TiB2 composite coatings were in-situ synthesized on the steel substrate by using a Nd YAG laser.The microstructure of the coating and the bonding interface between the laser cladding layer and the substrate were studied by X-ray and SEM.The microhardness and the wear resisting property were tested.The results show that the TiB2 particles were well-proportioned and spherical existing in Author Enrico SaggionettoPublish Year 2019Microstructure and Properties of In situ Synthesized TiC Feb 16,2021·A graphene (Gr)/Ti6Al4V composite coating was prepared by laser cladding,and the microstructure and the properties were studied.The results showed that an in situ synthesis between Gr and Ti occurred and TiC was formed.The TiC was homogeneously distributed.The acicular martensite was formed at the bottom of the coating during the rapid solidification process,and a goodAuthor Prayag Burad,G.Chaitanya,Nikhil Thawari,Jatin Bhatt,T.V.K.GuptaPublish Year 2021Coatings Free Full-Text Numerical Simulation of In order to better understand how a high energy input and a fast cooling rate affect the geometric morphology and microstructure of laser cladding aluminum composite coatings,a three-dimensional (3D) transient finite element model (FEM) has been established to study the temperature field evolution during laser cladding of AlSiTiNi coatings on a 304 stainless steel substrate.
Laser based metal additive manufacturing (AM) is an emerging technology in various aerospace industries including aero-engine components and turbine manufactures.Laser cladding is a potential process for material deposition and surface enhancement technique that forms a strong metallurgical bond with the substrate.In the present study,Nickel based Inconel 718 (IN718) super alloy which Cited by 1Publish Year 2012Author Xiao Qin Guo,Jing Bo Chen,Xin Fang Zhang,Yong Kai Wang,Rui ZhangStratification Mechanism and Interface Characterization of TiC/TiN-reinforced composite coatings were fabricated on the substrate of Ti-6Al-4V alloy using laser remelting.X-ray diffraction (XRD) was used to identify the phases in the laser-clad composite coating; the interface characterization of the dilution zone-clad zone (IDC) and the dilution zone-heat-affected zone (IDH) was observed with a scanning electron microscope (SEM).Cited by 21Publish Year 2018Author Shakti Kumar,Amitava Mandal,Alok K.Das,Amit R.DixitDensity 4.42 g/cm 3Synthesis and Characterization of Ti6Al4V-Nano-ZrO2 Jan 27,2021·Morphological and Microstructure Study of the Laser Cladding Composite Coatings.In this section,the variation in cladding thickness,change in microstructure due to melting and solidification,and appearance of micropores,cracks with the variation of laser energy density have been analyzed from the cross-sectional images.Clad Layer Thickness
·Characterization of morphology with variable laser power.From Fig.8(a.1,b.1 and c.1),it is observed that the layer thickness increases with higher laser power but a number of pores and cracks on subsurface layer have been observed.The reason of thicker clad layer at higher laser power is higher deposition of molten metal due to the attainment of higher temperature as thermal energy increases with laserCited by 232Publish Year 2006Author M.J.Tobar,C.Álvarez,J.M.Amado,G.Rodríguez,A.YáñezImages of morphology and characterization of laser clad com imagesMorphology and characterization of laser clad composite Request PDF Morphology and characterization of laser clad composite NiCrBSiWC coatings on stainless steel In this work,several mixtures of self-fluxing NiCrBSi alloy powder and a nickel Cited by 232Publish Year 2006Author M.J.Tobar,C.Álvarez,J.M.Amado,G.Rodríguez,A.YáñezMorphology and characterization of laser clad composite Morphology and characterization of laser clad composite NiCrBSiWC coatings on stainless steel determine the influence of the volume fraction of the reinforced WC particles on the formation and performance of the composite layer.The effect of other parameters of the treatment,such as the laser energy,beam profile,traverse speed and
Feb 01,2013·The laser cladding MoS 2 /Ti composite coatings offer advantages over untreated TC4 because of their lower friction coefficient and surface roughness.The results obtained during the present study clearly show that laser cladding MoS 2 /Ti composite coatings improves a wear resistance and surface smoothness of Ti6Al4V alloy.Cited by 59Publish Year 2013Author Damian Micha Janicki Characterization of hard coatings produced by laser Abstract Protective coatings with a high abrasive wear resistance can be obtained from powders by laser cladding technique,in order to extend the service life of some industrial components.In this work,laser clad layers of self-fluxing NiCrBSi alloy powder mixed with WC powder have been produced on stainless steel substrates of austenitic type (AISI 304) in a first step and then chemically Cited by 67Publish Year 2012Author Hua Yan,Peilei Zhang,Zhishui Yu,Chonggui Li,Ruidi Li(PDF) Review study of laser cladding processes on Ferrous cladding processes,morphology and characterization of laser clad compounds,influence and distribution of hard Geometrical dilution rate () = particles in the clad composition and its influence on the micro-hardness and wear resistance properties (Tribological behaviour),interaction of the hard particles with the matrix This method is quite
Laser cladding is an effective fabrication process to obtain composite coatings as it provides compact coatings with high adhesion to the substrates and it also has a very high versatility [10,11].For the formulation of Al/SiC p ,it is a very interesting process because it allows a direct interaction of SiC particles and molten aluminum at a controlled temperature.Estimated Reading Time 13 minsMorphology and characterization of laser clad composite In this work,several mixtures of self-fluxing NiCrBSi alloy powder and a nickel-clad WC powder (10 wt.% Ni and balance WC) were laser cladded on stainless steel substrates of austenitic type (AISI 304).The aim of the study was to determine the influence of the volume fraction of the reinforced WC particles on the formation and performance of the composite layer.Estimated Reading Time 7 minsEffect of Laser Cladding Al Ni TiC Powder on The microstructure of the cladding layer was mainly composed of a white block (Al-based composite phase) and a small amount of TiC particles.The dendritic morphology of the aluminum matrix composite phase was also found due to the increase of scanning speed.
The paper describes the application of high power direct diode laser (HPDDL),with a rectangular laser beam spot of size 1.8x6.8 mm,for the cladding of Ni-based alloy (NiSiB)+WC composite coatings.The laser cladding process was carried out with a direct injection of cladding powder into the melt pool.The influence of parameters,such as laser power beam (heat input) and WC particles size in Laser Cladding of Ni Based Cermets Request PDFThe microscopic morphology and distribution of WC particles in a laser-clad NiWC coatings were characterized by scanning electron microscopy (SEM).Two effective methods to avoid the stress Master thesis Microstructural characterization of the Sep 09,2019·Master thesis Microstructural characterization of the laser clad 316L+SiC composite coating Translated title [fr] Caracterisation microstrutturelle du laser clad 316L+SiC composite depot Author Saggionetto,Enrico Date of defense 9-Sep-2019/10-Sep-2019 Advisor(s) Mertens,Anne Committee's member(s) Maurizi-Enrici,Tommaso
Sep 27,2019·An IPG-YLS-5000 fiber laser equipped with a Kuka sixaxle robot (KR60) and a computer control system was applied for laser cladding,with the processing parameters as laser beam power 1.5 kw,scanning speed 0.0083 m s 1,beam diameter 2.5 mm.Argon gas was used to protect the molten pool from oxidation and contamination.The gas flow rate was 15 l min 1.Morphology and characterization of laser clad composite Jun 20,2006·1..IntroductionAmong the wide scope of laser surface treatments stands the so called laser cladding technique ,which aims at obtaining high performance alloy coatings on steel substrates.In this process,a thin surface layer of the substrate is melted by the laser beam together with the additive material,such as nickel or cobalt alloy powder,to form the coating.Morphology and characterization of laser clad composite Morphology and characterization of laser clad composite NiCrBSiWC coatings on stainless steel. Morphology and characterization of laser clad composite NiCrBSiWC coatings on stainless steel.Download.Related Papers.Engineering Coatings by Laser Cladding - The Study of Wear and Corrosion Properties.By Jari Tuominen.
AbstractIntroductionMaterials and MethodsResults and DiscussionsConclusionsData AvailabilityAcknowledgmentsCarbonaceous nanoscale additives present a pronounced influence on the mechanical properties of both metallic and plastic materials.This paper addresses the fabrication of composite coatings by laser cladding of single-walled carbon nanotubes incorporated by ball milling into a nickel-based powder (NiCrBSiFeC).The coatings were obtained by using the preplaced laser cladding technique on steel substrates.Optical microscopy and SEM microscopy were used to characterise the microstructure refinSee more on hindawiMicrostructure and Sliding Wear Resistance of Laser Dec 27,2011·Therefore,in order to improve the microstructural integrity and wear resistance of surface coatings,some high energy beam techniques,such as laser cladding,have been developed to deposit surface coatings.The pore- and crack-free coatings can be obtained due to heat concentrating and high cooling rate in laser cladding process (Ref 6).The high wear resistance of the cladded coatings canSome results are removed in response to a notice of local law requirement.For more information,please see here.12345NextSynthesis and Characterization of Ti6Al4V-Nano-ZrO 2 The effect of laser power and scanning speed on the clad layer morphology,microhardness,phase appearance,and tribological behavior of the composite cladding has been investigated.The formation of dendrite microstructure with retention of agglomerated nano-ZrO 2 powder and metallic oxides such as TiO 2 ,Al 2 O 3 ,ZrO 2 increases hardness and wear resistance of the cladding surface remarkably.