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3D microstructure and damage accumulation in a cast AlSi12Cu5Ni2 piston alloy as a function of solution Treatment

Bugelnig, Katrin and Sket, Federico and Germann, Holger and Steffens, Thomas and Wilde, Fabian and Boller, Elodie and Requena, Guillermo (2016) 3D microstructure and damage accumulation in a cast AlSi12Cu5Ni2 piston alloy as a function of solution Treatment. In: NDT Database & Journal of Nondestructive Testing. 6th Conference on Industrial Computed Tomography, Wels, Österreich.

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Official URL: http://www.ndt.net/article/ctc2016/papers/ICT2016_paper_id77.pdf

Abstract

The microstructural evolution as well as the damage mecha nisms and accumulation during RT tensile deformation of an AlSi12Cu5Ni2 piston alloy for high performance die sel truck engines are studied as a function of solution heat treatment (ST) time at 500°C. For this, interrupted in-situ synchrotron tomography experiments are combined with conventional metallography investigations. The study shows that the lower resistance to structural damage of the alloy after ST is linked to the local disintegration of the highly interconnected 3D network formed by intermetallics and Si embedded in the Al-matrix.

Item URL in elib:https://elib.dlr.de/108464/
Document Type:Conference or Workshop Item (Speech)
Title:3D microstructure and damage accumulation in a cast AlSi12Cu5Ni2 piston alloy as a function of solution Treatment
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bugelnig, KatrinUNSPECIFIEDUNSPECIFIED
Sket, FedericoUNSPECIFIEDUNSPECIFIED
Germann, HolgerUNSPECIFIEDUNSPECIFIED
Steffens, ThomasUNSPECIFIEDUNSPECIFIED
Wilde, FabianUNSPECIFIEDUNSPECIFIED
Boller, ElodieUNSPECIFIEDUNSPECIFIED
Requena, GuillermoGuillermo.Requena (at) dlr.deUNSPECIFIED
Date:2016
Journal or Publication Title:NDT Database & Journal of Nondestructive Testing
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Al-Si piston alloys, synchrotron tomography, solution treatment, 3D microstructure, damage evolution
Event Title:6th Conference on Industrial Computed Tomography
Event Location:Wels, Österreich
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Metallic Structures and Hybrid Material Systems
Deposited By: Requena, Guillermo
Deposited On:29 Nov 2016 14:44
Last Modified:31 Jul 2019 20:05

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