Effect of heat treatment on the wear resistance of cast irons
Abstract
In this study, the wear behavior of chilled cast iron and nodular cast iron materials used in camshaft manufacturing has been compared. Nodular cast iron specimens were additionally heat treated at 200 and 300 °C for stress relieving after hardening. Thus, the effect of the stress release treatment on wear behavior was comparatively evaluated with respect to the untreated specimens. The ball-on-disk test described in ASTM G99-05 standard was performed under dry sliding conditions as wear test. The specimens were exposed to dry sliding test under a load of 30 N with a rotational speed of 300 rpm against hardened 100Cr6 counterparts and for the distances of 100, 500 and 1000 m. The results showed two different wear behaviors for the 100 m and 500/1000 m distances, respectively. Under given dry sliding conditions, induction hardened nodular cast iron and slightly stress released specimens exhibited relatively higher wear resistance in the tests over a distance of 500 and 1000 m, while the others showing an increase in wear loss amounts at the same sliding distances.
Kurzfassung
In der diesem Beitrag zugrunde liegenden Studie wurde das Verschleißverhalten von abgeschreckten Gusseisen und Gusseisen mit Kugelgraphit, die in der Nockenwellenfertigung eingesetzt werden, miteinander verglichen. Die Proben aus Gusseisen mit Kugelgraphit wurden zusätzlich bei 200 und 300 °C wärmebehandelt, um einen spannungsarmen Zustand nach dem Härten zu erzielen. Deshalb wurde die Wirkung der Spannungsarmglühung auf das Verschleißverhalten mit den unbehandelten Proben verglichen. Als Verschleißversuch wurde ein Kugel-Scheibe-Versuch entsprechend des ASTM-Standards G99-05 unter Trockenreibbedingungen durchgeführt. Die Proben wurden dem Trockenverschleißversuch unter einer Belastung von 30 N und bei einer Rotationsgeschwindigkeit von 300 U × min−1 sowie gegen gehärtete Gegenstücke aus dem Stahl 100Cr6 über eine Distanz von 100, 500 und 1000 m bei entsprechender Drehung ausgesetzt. Die Ergebnisse zeigen, dass sich zwei verschiedene Verschleißverhalten für die Entfernung von 100 m gegenüber der von 500 und 1000 m ergeben. Unter den gegebenen Trockenreibbedingungen zeigen die induktionsgehärteten Gusseisenproben mit Kuglegraphit und die leicht spannungsarmgeglühten Proben einen entsprechend höheren Verschleißwiderstand in den Versuchen über eine Distanz von 500 und 1000 m, während die übrigen Proben einen Anstieg der Verschleißverlustwerte bei den gleichen Reibdistanzen aufweisen.
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© 2016, Carl Hanser Verlag, München
Articles in the same Issue
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Three-dimensional surface measurement for the quantification of mechanical properties of laser-sintered parts
- Effect of the die approach zone shape on the transition of retained austenite and the mechanical properties of TRIP steel wires
- Effect of heat treatment on the wear resistance of cast irons
- Optimization of bead geometry for duplex stainless steel GTA welds using the Taguchi approach
- Corrosion behavior of X70 steel in sands at different charging times
- Fatigue life assessment of the driving shaft of a LCV by FEA using customer correlation data
- Hydrothermal effects on the burst strength of impacted glass fiber/epoxy composite pipes
- Effect of mechanical alloying on FeCrC reinforced Ni alloys
- Application of a fuzzy expert system for failure load estimation of two serial pinned or bolted sandwich composite plates
- Tensile shear strength and elongation of FSW parts predicted by Taguchi-based fuzzy logic
- Effect of cutting environment and heat treatment on the surface roughness of drilled Al/SiC MMC
- Advanced hybrid welding and manufacturing technologies
- Laser repair welding of an extrusion mold
- Mode II delamination of woven mengkuang fiber/woven silk laminated hybrid composites
Articles in the same Issue
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Three-dimensional surface measurement for the quantification of mechanical properties of laser-sintered parts
- Effect of the die approach zone shape on the transition of retained austenite and the mechanical properties of TRIP steel wires
- Effect of heat treatment on the wear resistance of cast irons
- Optimization of bead geometry for duplex stainless steel GTA welds using the Taguchi approach
- Corrosion behavior of X70 steel in sands at different charging times
- Fatigue life assessment of the driving shaft of a LCV by FEA using customer correlation data
- Hydrothermal effects on the burst strength of impacted glass fiber/epoxy composite pipes
- Effect of mechanical alloying on FeCrC reinforced Ni alloys
- Application of a fuzzy expert system for failure load estimation of two serial pinned or bolted sandwich composite plates
- Tensile shear strength and elongation of FSW parts predicted by Taguchi-based fuzzy logic
- Effect of cutting environment and heat treatment on the surface roughness of drilled Al/SiC MMC
- Advanced hybrid welding and manufacturing technologies
- Laser repair welding of an extrusion mold
- Mode II delamination of woven mengkuang fiber/woven silk laminated hybrid composites