Influence of laser surface melting on the micropitting

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Thermodynamic origin of surface melting on ice crystals PNAS

Nov 01,2016 Influence of laser surface melting on the micropitting#0183;Phase transitions of ice are a major source of a diverse set of natural phenomena on Earth.In particular,quasi-liquid layers (QLLs) resulting from surface melting are recognized to be key players involved in various natural phenomena spanning from making snowballs to electrification of thunderclouds.With the aid of in situ observations with our advanced optical microscopy combinedThermodynamic origin of surface melting on ice crystals PNASNov 01,2016 Influence of laser surface melting on the micropitting#0183;Phase transitions of ice are a major source of a diverse set of natural phenomena on Earth.In particular,quasi-liquid layers (QLLs) resulting from surface melting are recognized to be key players involved in various natural phenomena spanning from making snowballs to electrification of thunderclouds.With the aid of in situ observations with our advanced optical microscopy combinedThe Influence of Laser Surface Remelting on the Figure 4 shows three calculated temperature cycles in laser surface melting with laser parameters described at Figure 3b.The remelting process includes heating and melting of AlSi12CuNiMg fast cooling and solidification.The maximum temperature at the surface (z = 1 m) being higher than melting point of tested alloy a) b)

The Influence of Laser Surface Remelting on the

Figure 4 shows three calculated temperature cycles in laser surface melting with laser parameters described at Figure 3b.The remelting process includes heating and melting of AlSi12CuNiMg fast cooling and solidification.The maximum temperature at the surface (z = 1 m) being higher than melting point of tested alloy a) b)Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextInfluence of laser surface melting treatment on the A Zr 65 Al 7.5 Ni 10 Cu 12.5 Ag 5 bulk metallic glass (BMG) containing immiscible elements was prepared in the diameter range up to 5 mm by injection copper mold casting.The effects of the laser surface melting (LSM) treatment on the surface composition and mechanical properties of the Zr-based BMG were examined.Some results are removed in response to a notice of local law requirement.For more information,please see here.

Simplified modellization of gear micropitting

This paper investigates the micropitting behavior of 35CrMo structural steel gears treated through laser surface-melted (LSM) treatment.Laser surface melting of 35CrMo structural steel gears was Simplified modellization of gear micropittingThis paper investigates the micropitting behavior of 35CrMo structural steel gears treated through laser surface-melted (LSM) treatment.Laser surface melting of 35CrMo structural steel gears was Simplified modellization of gear micropitting - F Antoine an oil-film thickness calculation taking the influence of pressure into consideration.a simplified modellization of roughness.an estimation of the plastification effect on the roughness.overpressure at the contact surface taking into account the combined effects of roughness and oil-film thickness.

Laser polishing of additive laser manufacturing surfaces

Feb 26,2015 Influence of laser surface melting on the micropitting#0183;Based on laser melting of powders projection,the additive laser manufacturing (ALM) technique is an additive manufacturing process which enables the direct manufacturing of complex metallic parts.Compared with selective laser sintering (SLS) technology,the ALM process enables the creation of bigger parts and material gradient.1 1.P.Journal of Laser ApplicationsAbout Laser Institute of America.Laser Institute of America (LIA),founded in 1968,is the professional society for laser applications and safety.Our mission is to foster lasers,laser applications,and laser safety worldwide.LIA cultivates innovation,ingenuity and inspiration to promote the continued growth and safe use of laser applications.Investigation on the effect of laser remelting for laser Apr 15,2019 Influence of laser surface melting on the micropitting#0183;Laser remelting is an eco-friendly technology,which is based on remelting of a thin surface layer and can improve surface quality without the secondary positioning.In this paper,the high-power continuous-wave carbon dioxide laser was first used for preparing laser cladding layer of nickel-based alloy and then used for laser remelting process.

Investigation on the effect of laser remelting for laser

Apr 15,2019 Influence of laser surface melting on the micropitting#0183;Laser remelting is an eco-friendly technology,which is based on remelting of a thin surface layer and can improve surface quality without the secondary positioning.In this paper,the high-power continuous-wave carbon dioxide laser was first used for preparing laser cladding layer of nickel-based alloy and then used for laser remelting process.Influence of surface melting effects and availability of In this study,the influence of surface morphology,reagent ions and surface restructuring effects on atmospheric pressure laser desorption/ionization (LDI) for small molecules after laser irradiation of palladium selfassembled nanoparticular (PdNP) structures has been systematically studied.Influence of processing parameters on laser penetration Sep 14,2016 Influence of laser surface melting on the micropitting#0183;A three-dimensional mesoscopic model,considering the powder-to-solid transition,motion of gas bubbles within molten pool and the effect of surface tension,has been established in order to investigate the evolution rule of pores and re-melting densification mechanism during selective laser melting of AlSi10Mg.The results indicated that re-melting phenomenon of previous fabricated layer

Influence of laser surface melting treatment on the

A Zr 65 Al 7.5 Ni 10 Cu 12.5 Ag 5 bulk metallic glass (BMG) containing immiscible elements was prepared in the diameter range up to 5 mm by injection copper mold casting.The effects of the laser surface melting (LSM) treatment on the surface composition and mechanical properties of the Zr-based BMG were examined.Influence of laser surface melting on the properties of Nov 25,2019 Influence of laser surface melting on the micropitting#0183;Laser-induced periodic surface structure (LIPSS) on laser melted surface had better biocompatibility compared to the micro-grooved surface.Laser re-melting of Mg-Zn-Ca alloy was carried out by Zhang et al.and the amorphous structure was formed at a scan speed over 1000 mm/min and the corrosion resistance was increased with scan speed [ 17 ].Influence of laser surface melting on the micropitting Mar 01,2013 Influence of laser surface melting on the micropitting#0183;Laser surface melting treatment can be regarded as a new way to enhance the micropitting resistance of gears.It has many advantages,which are very suitable to gear heat treatment,such as faster heating rate,higher thermal efficiency,

Influence of laser surface melting on glass formation and

A gradient structure was synthesized on the surface of Zr 55 Al 10 Ni 5 Cu 30 alloy with high glass-forming ability by laser surface melting (LSM).Along the laser incident direction,the surface remelted alloy exhibits gradient microstructure distributed in the sequence of amorphous structure,nanocrystal- reinforced amorphous matrix composite (transitional layer A),dendritesamorphous Influence of excimer laser surface melting on anodising of Aburas,Z,Viejo,F,Yuan,Y,Liu,Z,Skeldon,P Thompson,GE 2008,Influence of excimer laser surface melting on anodising of AA2024-T351 alloy.in Eurocorrosion 2008 European corrosion congress Managing Corrosion for Sustainability.pp.1-9,Eurocorrosion 2008 European corrosion congress- Managing Corrosion for Sustainability,Edinburgh UK,7/09/08.Influence of excimer laser surface melting on anodising of Aburas,Z,Viejo,F,Yuan,Y,Liu,Z,Skeldon,P Thompson,GE 2008,Influence of excimer laser surface melting on anodising of AA2024-T351 alloy.in Eurocorrosion 2008 European corrosion congress Managing Corrosion for Sustainability.pp.1-9,Eurocorrosion 2008 European corrosion congress- Managing Corrosion for Sustainability,Edinburgh UK,7/09/08.

Influence of excimer laser surface melting on

Influence of excimer laser surface melting on microstructure and corrosion behaviour of AA6061-T6 alloy and SiCp/AA6061-T6 composite.UoM administered thesis Phd.Authors Ahmed Lemnifi; Abstract.This thesis presents an investigation of excimer laser surface melting (LSM) on AA6061-T6 alloy and SiCp/AA6061-T6 composite in terms of Influence of excimer laser surface melting on Influence of excimer laser surface melting on microstructure and corrosion behaviour of AA6061-T6 alloy and SiCp/AA6061-T6 composite.UoM administered thesis Phd.Authors Ahmed Lemnifi; Abstract.This thesis presents an investigation of excimer laser surface melting (LSM) on AA6061-T6 alloy and SiCp/AA6061-T6 composite in terms of Influence of Surface Roughness on Gear Pitting Behavior This paper investigates the micropitting behavior of 35CrMo structural steel gears treated through laser surface-melted (LSM) treatment.Laser surface melting of 35CrMo structural steel gears was

Influence of Laser Surface Melting on the Microstructure

In the present study,surface melting of a magnesium alloy,ZE41 (4%-Zn,1%-RE) is performed by an Nd:YAG laser (operating in a continuous wave mode).The degree of microstructural refinement and the depth of the laser melted zone is a strong function of laser processing parameters (laser power,beam diameter,scan rate).The corrosion properties of the laser treated and untreated zone is Influence of Laser Surface Melting on the Microstructure In the present study,surface melting of a magnesium alloy,ZE41 (4%-Zn,1%-RE) is performed by an Nd:YAG laser (operating in a continuous wave mode).The degree of microstructural refinement and the depth of the laser melted zone is a strong function of laser processing parameters (laser power,beam diameter,scan rate).The corrosion properties of the laser treated and untreated zone is Influence of Laser Surface Melting on Wear Resistance of In the present study,an attempt has been made to improve the surface hardness and wear resistance of magnesium alloy AZ91D by laser surface melting (LSM) with a 2kW continuous wave CO2 laser.The microstructure of the laser surface melted zone consists of fine dendrites with an average grain size of less than 10m.Micro hardness of the melted zone was improved to 70-85HV as compared to 53HV

Influence of Laser Surface Melting on Wear Resistance of

In the present study,an attempt has been made to improve the surface hardness and wear resistance of magnesium alloy AZ91D by laser surface melting (LSM) with a 2kW continuous wave CO2 laser.The microstructure of the laser surface melted zone consists of fine dendrites with an average grain size of less than 10m.Micro hardness of the melted zone was improved to 70-85HV as compared to 53HV Gear oil micropitting evaluationThis paper investigates the micropitting behavior of 35CrMo structural steel gears treated through laser surface-melted (LSM) treatment.Laser surface melting of 35CrMo structural steel gears was Gear oil micropitting evaluationThis paper investigates the micropitting behavior of 35CrMo structural steel gears treated through laser surface-melted (LSM) treatment.Laser surface melting of 35CrMo structural steel gears was

Electrochemical investigation of the influence of laser

Chakraborty Banerjee,P.,Singh,R.,Durandet,Y., McAdam,G.(2011).Electrochemical investigation of the influence of laser surface melting on the microstructure and corrosion behaviour of ZE41 magnesium alloy - An EIS based study.Cited by 64Publish Year 2002Author C.Carboni,P.Peyre,G.B Influence of laser surface melting on the micropitting#233;ranger,C.LemaitreInfluence of Laser Surface Melting on the Microstructure In the present study,surface melting of a magnesium alloy,ZE41 (4%-Zn,1%-RE) is performed by an Nd:YAG laser (operating in a continuous wave mode).The degree of microstructural refinement and the depth of the laser melted zone is a strong function of laser processing parameters (laser power,beam diameter,scan rate).The corrosion properties of the laser treated and untreated zone is Cited by 5Publish Year 2009Author Parama Chakraborty Banerjee,R.K.Singh Raman,Y.Durandet,Grant McAdamThe investigation of the influence of laser remelting on The influence of laser remelting on the surface quality,density and microstructure is studied varying the operating parameters for remelting such as scan speed,laser power and scan spacing., It is concluded that laser remelting is a promising method to enhance the density and surface quality of SLM parts at a cost of longer

Cited by 14Publish Year 2013Author You LvInfluence of laser surface melting on the micropitting

This paper investigates the micropitting behavior of 35CrMo structural steel gears treated through laser surface-melted (LSM) treatment.Laser surface melting of 35CrMo structural steel gears was achieved by a 4.5 kW Nd:YAG pulsed laser with various laser energy densities.Cited by 14Publish Year 2013Author You LvInfluence of laser surface melting on the micropitting Download Citation Influence of laser surface melting on the micropitting performance of 35CrMo structural steel gears This paper investigates the micropitting behavior of 35CrMo structural Author You LvInfluence of high power diode laser surface melting on the Sep 01,2002 Influence of laser surface melting on the micropitting#0183;High Power Diode Lasers (HPDL) are becoming more and more attractive for industrial materials processing because of their high efficiency,low running costs,small sizes and low weight.Surface melting experiments have been carried out on 316L steel with a 1 kW HPDL,with application to modify its pitting corrosion resistance in NaCl 0.05 M.Surface modifications have been investigated

12345NextInfluence of high power diode laser surface melting on the

High Power Diode Lasers (HPDL) are becoming more and more attractive for industrial materials processing because of their high efficiency,low running costs,small sizes and low weight.Surface melting experiments have been carried out on 316L steel with a 1 kW HPDL,with application to modify its pitting corrosion resistance in NaCl 0.05 M.Surface modifications have been investigated with (PDF) Influence of Laser Surface Remelting on Al-Si Alloy Laser surface melting (LSM) is a material surface modification process based on using high power laser beam as a heat source in order to enhance the mechanical properties of the material surface.(PDF) Influence of Laser Surface Remelting on Al-Si Alloy Laser surface melting (LSM) is a material surface modification process based on using high power laser beam as a heat source in order to enhance the mechanical properties of the material surface.

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