Investigation of the surface residual stresses in spray cooled induction hardened gearwheels
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Dmytro Rodman
, Christian Krause , Florian Nürnberger , Friedrich-Wilhelm Bach , Lorenz Gerdes und Bernd Breidenstein
Abstract
The objective of the current investigation consists of testing the interchangeability of polymer solutions used during induction hardening with water – air spraying regarding compressive residual stresses. Gearwheels made of 42CrMo4 steel were induction hardened and subsequently quenched using water–air spray cooling. The effect of different cooling parameters on the surface's residual stresses in the gearwheel's tooth flanks was analysed by means of X-ray diffraction. The microstructure was characterised by means of hardness measurements and light-microscopy. Residual stresses could be specified after using water – air spray cooling and are comparable to those using polymer quenching. Quench parameters leading to maximum compressive residual stresses in tooth flanks were determined.
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© 2012, Carl Hanser Verlag, München
Artikel in diesem Heft
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- DGM News
- DGM News
Artikel in diesem Heft
- Contents
- Contents
- Editorial
- Editorial January 2012
- Original Contributions
- High-strength aluminum-based light-weight materials for safety components – recent progress by microstructural refinement and particle reinforcement
- Microstructure – deformation relationships in fine grained high manganese TWIP steel – the role of local texture
- Microstructure of a eutectic NiAl—Mo alloy directionally solidified using an industrial scale and a laboratory scale Bridgman furnace
- Effect of Si addition on the oxidation resistance of Co–Re–Cr-alloys: Recent attainments in the development of novel alloys
- Corrosion behavior of silicon oxycarbide-based ceramic nanocomposites under hydrothermal conditions
- Thermal cycling damage evolution of a thermal barrier coating and the influence of substrate creep, interface roughness and pre-oxidation
- Influence of creep and cyclic oxidation in thermal barrier coatings
- Residual stress states as a result of bending and straightening processes of steels in different heat treatment conditions
- Residual stresses under quasi-static and cyclic loading in shot peened Inconel 718
- Investigation of the surface residual stresses in spray cooled induction hardened gearwheels
- Stress-gradient induced fatigue at ultra high frequencies in sub micron thin metal films
- Influence of graphite spherical size on fatigue behaviour and fracture toughness of ductile cast iron EN-GJS-400-18LT
- Failure behaviour of the superalloy MAR-M247 LC under LCF, HCF and combined LCF/HCF loading
- Measuring techniques for the very high cycle fatigue behaviour of high strength steel at ultrasonic frequencies
- Failure limits of continuous carbon fibre reinforced plastics loaded with fibre parallel compression
- Development of an integrative simulation method to predict the microstructural influence on the mechanical behaviour of semi-crystalline thermoplastic parts
- DGM News
- DGM News