Laser Surface Alloying of Ni-Co Electroplated Low Carbon Steel

A. Hussain; R. Akhter; W.A. Farooq; M. Aslam

doi:10.4028/www.scientific.net/KEM.442.137

Paper Titles

An Investigation into the Effects of Substrate Temperature on Magnetic Properties of RF Sputtered NiFe Films
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Synthesis of Multiwall Carbon Nanotube and their Thin Films for Infrared Sensor Applications
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Structural and Texture Studies of PbS Thin Film
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Laser Surface Hardening of GCr15 Bearing Steel Ring
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Laser Surface Alloying of Ni-Co Electroplated Low Carbon Steel
p.137

Effect of Deposition Parameters and Annealing on the Morphology and Optical Properties of Pbs Thin Films
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Ultrasonic Surface Mechanical Attrition of Commercially Pure Ti to Induce Nanocrystalline Surface Layer
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Impact of Metal-Organic Interface on the Growth Mechanism and Magnetic Properties of Permalloy (Fe : Ni) Films Sputtered on Self-Assembled Monolayers of Polar and Nonpolar Molecules
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Estimation of the Hardness for Laser Surface Hardening of Plain Carbon Steel
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 442Laser Surface Alloying of Ni-Co Electroplated Low...

Laser Surface Alloying of Ni-Co Electroplated Low Carbon Steel

Abstract:

Laser surface alloying of Ni-Co electroplated steel using 900 W CW CO2 laser to develop Fe-Ni-Co alloy on the surface is reported. Fe-Ni-Co alloys of different compositions are produced by varying the working speed from 0.25 m/min to 3m/min and laser spot size from 0.6 mm to 5mm. The development of microstructure in the melted zone is analysed in terms of composition variation and cooling rate. The microhardness of newly formed alloys reported here are three times higher as compared to base metal. Martensite is observed in the laser modified zone.

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Periodical:

Key Engineering Materials (Volume 442)

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137-143

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.442.137

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Online since:

June 2010

Authors:

A. Hussain, R. Akhter, W.A. Farooq, M. Aslam

Keywords:

Laser, Microhardness, Microstructure, Solidification Rate, Surface Alloying

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