Thermal fatigue analysis of automotive Diesel piston: Experimental procedure and numerical protocol

Szmytka, Fabien; Salem, Mehdi; Rézaï-Aria, Farhad; Oudin, Alexis

doi:10.1016/j.ijfatigue.2014.11.011

Cited by 49 publications

(26 citation statements)

References 29 publications

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“…Some of the setups include a disc heated by induction on the periphery [1][2][3][4][5][6][7][8][9][10][11][12], triangular blade heated by induction [13], electrical heating of tube followed by water splashing to induce thermal shock [14][15][16][17][18], hot dipping of cylinders in molten aluminum [19,20], laser heating [21,22], focused halogen lamps heating [23,24], convection/combustion heating [25,26], furnace heating with water quenching [27,28] and actual dies [29,30]. Out of these experimental setups most researchers have worked on the heated disc problem.…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation of thermal fatigue behavior in a cracked disc of AISI H-11 tool steel

Qayyum

Shah

Shakeel

et al. 2016

Engineering Failure Analysis

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Section: Introductionmentioning

confidence: 99%

Numerical simulation of thermal fatigue behavior in a cracked disc of AISI H-11 tool steel

Qayyum

Shah

Shakeel

et al. 2016

Engineering Failure Analysis

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“…The hardness for the specimen quenched after the thermal exposure treatment at 250 °C is decreased during the entire thermal exposure process. Due to the partially dissolution of the AlSiFeNiCu phase at 425 °C, the hardness of the specimen quenched at 425 °C was decreased rapidly during the first 8 h. The micro hardness of AlSiFeNiCu phase is estimated to be 9.88 GPa, while the micro hardness of Q and γ phase is 6.51 and 9.25 GPa, respectively . For the specimen kept at 425 °C, the number of AlSiFeNiCu phase declines, while the number of Q phase is increased.…”

Section: Resultsmentioning

confidence: 99%

“…The maximum temperature for the piston reaches 374 °C after several seconds of engine working at a maintained high speed . Under normal operating conditions, pistons undergo higher temperatures with the increment of engine power.…”

Section: Introductionmentioning

confidence: 99%

Phases Formation and Evolution at Elevated Temperatures of Al–12Si–3.8Cu–2Ni–1Mg Alloy

Zuo

Feng

et al. 2016

Adv Eng Mater

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(1 of 7) 1770010 CONTENTS The microstructure evolution and mechanical properties of steel samples subjected to differential speed rolling (DSR) deformation are presented to show the validity of DSR processing as a severe plastic deformation method. Further details can be found in article number 1600722 by Kotiba Hamad and co-workers. Communications In this paper, microstructure evolution and mechanical properties of ultrafi ne grained low carbon steel samples fabricated by differential speed rolling (DSR) process are presented to show the validity of DSR processing as a severe plastic deformation method. Thin disks of WC-30 vol% Co sintered at 1400ºC in vacuum show an axial expansion larger than along the in-plane direction. The curves exhibit hysteresis as indicated by the contraction curves forming a loop during cooling. Using a model, where the matrix and the 2nd phase are respectively the WC-grains and Co, it was calculated the WC grains are under tensile stress at RT. This explains the expanded WC unit cell, measured by X-ray diffraction at 20 ºC. Lead borate single crystal nanosheets have been fabricated by a facile sol-vothermal process. The 2D nano-structure exhibits an excellent ability to attenuate both neutron and gamma radiations. Importantly, the lead bo-rate exhibits 2D nanostructures that imply other impressive physical properties , such as mechanical enhancement , high thermal conductivity. Thus, the product can be applied to the fabrication of multifunction integrated composites for the radiation protection of complex conditions. A fl exible TENG based on carbon nanotubes (CNTs) have been introduced , which not only can be used as a direct power source, but also can be constructed into a self-powered weighing sensor by subtly designing. Grain refi nement mechanism of fer-rite dynamically transformed (DT) from austenite is clarifi ed. The study shows that the role of dynamic recrys-tallization (DRX) has been previously underestimated in grain refi nement of ferrite and it is suggested that new thermomechanical processes should be developed by enhancing the DRX (of DT ferrite), which has a strong strain rate dependency. The UTS and elongation of Mg 94-x Zn 2 Y 4 Li x alloys with refi ned-Mg grains are improved as Li is 5 at% compared to Li-free alloy. As a novel biomaterial, the Mg 89 Zn 2 Y 4 Li 5 alloy possesses superior mechanical performance, appropriate corrosion rate, and high biocorrosion resistance. This study investigates the potential of improving the mechanical performance and UV stability of PVDF by melt-dispersion of zinc oxide nano-particles. Zinc ox-ide/PVDF nano-composites are processed into thin fi lms or into injection molded bars. The impact of the processing conditions on the morphology and properties of the resulting materials are systematically investigated. Specifi cally, the highest volume of nano-particles results in a complete UV-shielding and up to 60% of the mechanical properties improvement, opening the door to new potential applications, such as advanced ultra-thin PV...

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“…Authors analysed thermal fatigue of automotive Diesel piston. Test piston was internally cooled by permanent water flow while its bowl sensitive to thermomechanical fatigue was subjected to cyclic induction heating [7].…”

Section: Introductionmentioning

confidence: 99%

FEM analysis of piston for aircraft two stroke diesel engine

Magryta

Gęca

2019

MATEC Web Conf.

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The paper presents an analysis of piston thermal loads in an opposed piston engine. The purpose of the work was to check the achieved thermal values of different piston models. Two types of pistons were analysed. The first piston was made entirely of aluminium. The second one was a split piston, made of steel and aluminium. Simulation studies were performed using Abaqus software. Boundary conditions were taken from previously made simulations conducted in AVL Fire software. The wall temperature of the piston was mapped from CFD combustion model. The results of the analyses were illustrated by the distribution of temperature fields on a piston surface. The distribution of temperature fields on the piston surface shows that maximum temperatures are located on sharp edges of a piston bowl, values of maximum temperatures are 402 and 512 °C for aluminium and composed piston respectively.

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Thermal fatigue analysis of automotive Diesel piston: Experimental procedure and numerical protocol

Cited by 49 publications

References 29 publications

Numerical simulation of thermal fatigue behavior in a cracked disc of AISI H-11 tool steel

Numerical simulation of thermal fatigue behavior in a cracked disc of AISI H-11 tool steel

Phases Formation and Evolution at Elevated Temperatures of Al–12Si–3.8Cu–2Ni–1Mg Alloy

FEM analysis of piston for aircraft two stroke diesel engine

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