Wear resistance of laser cladded Stellite 31 coating on AISI 316L steel
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Pisit Kittivitayakul
Abstract
Laser cladding of Stellite 31 powder on AISI 316L plate size of 50 × 50 × 25 mm using diode laser powers of 3.5, 4.0, 4.5 and 5.0 kW was produced. The wear tests of clad layers were investigated according to ASTM G99. Equiaxed and elongated grains were found in clad layer using laser powers of 3.5, 4.0 kW and 4.0, 5.0 kW, respectively. Compressive residual stress was detected at the surface of the clad layers. They decreased as laser power increased. After polishing, compressive residual stress and the wear resistance of the clad layers subjected to higher laser power were higher than those subjected to lower laser power. The friction coefficient of the clad layer subjected to higher laser power was lower than that subjected to lower laser power.
Kurzfassung
Mit einem Diodenlaser wurden bei Leistungen von 3,5, 4,0, 4,5 and 5,0 kW Schichten aus einem Stellite 31 Pulver auf eine Stahlplatte des Typs AISI 316L mit einer Größe von 50 × 50 × 25 mm aufgebracht. Es wurden Verschleißversuche entsprechend des ASTM-Standards G99 durchgeführt. In der Schicht wurden gleichmäßige und gelängte Körner bei den entsprechenden Laserleistungen von 3,5, 4,0, 4,5 and 5,0 kW gefunden. Es wurden außerdem die Druckeigenspannungen auf der Oberfläche der Schichten gemessen und sie nahmen mit zunehmender Laserleistung ab. Nach dem Polieren waren die Druckeigenspannungen und der Verschleißwiderstand der Schichten bei höheren Laserleistungen höher und bei niedrigeren Laserleistungen entsprechend geringer. Der Reibkoeffizient der Schichten, die mit höherer Laserleistung hergestellt wurden, war niedriger als bei niedrigeren Laserleistungen.
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© 2018, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Laudatio
- Professor Dr.-Ing. Harald Zenner: on the occasion of his eightieth birthday
- Fachbeiträge/Technical Contributions
- Fatigue life curve – A continuous Wöhler curve from LCF to VHCF
- On the accuracy of estimating fatigue notch factors
- Analytical strength assessments of austempered ductile iron components
- On the estimation of cyclic material properties – Part 1: Quality of known estimation methods
- On the estimation of cyclic material properties – Part 2: Introduction of a new estimation method
- Execution and evaluation of cyclic tests at constant load amplitudes – DIN 50100:2016
- Wear resistance of laser cladded Stellite 31 coating on AISI 316L steel
- Determination of the Johnson-Cook damage parameter D4 by Charpy impact testing
- Effect of residual Alclad on friction stir spot welds of AA2219 alloys
- Effect of cooling rate on microstructure, mechanical properties and residual stress of 7075 aluminum alloy
- Failure analysis of an adhesively joined composite pipe system under internal pressure
- Non-metallic inclusions and fatigue strength of steel 34CrNiMo6
- Untersuchungen des Schädigungsgrades von Polyethylenformstoffen als Werkstoffe von Heizöllagerbehältern nach einer Nutzungsdauer von über 30 Jahren
- Microstructure and mechanical properties of AZ31 Mg alloy produced by a new compound extrusion technique
- Failure analysis of a cracked Q125 casing for ultra-deep wells at the Tarim Oilfield
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Laudatio
- Professor Dr.-Ing. Harald Zenner: on the occasion of his eightieth birthday
- Fachbeiträge/Technical Contributions
- Fatigue life curve – A continuous Wöhler curve from LCF to VHCF
- On the accuracy of estimating fatigue notch factors
- Analytical strength assessments of austempered ductile iron components
- On the estimation of cyclic material properties – Part 1: Quality of known estimation methods
- On the estimation of cyclic material properties – Part 2: Introduction of a new estimation method
- Execution and evaluation of cyclic tests at constant load amplitudes – DIN 50100:2016
- Wear resistance of laser cladded Stellite 31 coating on AISI 316L steel
- Determination of the Johnson-Cook damage parameter D4 by Charpy impact testing
- Effect of residual Alclad on friction stir spot welds of AA2219 alloys
- Effect of cooling rate on microstructure, mechanical properties and residual stress of 7075 aluminum alloy
- Failure analysis of an adhesively joined composite pipe system under internal pressure
- Non-metallic inclusions and fatigue strength of steel 34CrNiMo6
- Untersuchungen des Schädigungsgrades von Polyethylenformstoffen als Werkstoffe von Heizöllagerbehältern nach einer Nutzungsdauer von über 30 Jahren
- Microstructure and mechanical properties of AZ31 Mg alloy produced by a new compound extrusion technique
- Failure analysis of a cracked Q125 casing for ultra-deep wells at the Tarim Oilfield