ProSI 2020 Interfacial debonding in compacted graphite iron - effect of thermal loading.pdf (1.27 MB)

Interfacial debonding in compacted graphite iron: effect of thermal loading

Download (1.27 MB)
journal contribution
posted on 23.03.2021, 16:24 by Evangelia Palkanoglou, Konstantinos Baxevanakis, Vadim Silberschmidt
In this work, graphite debonding under thermal loading in compacted graphite iron (CGI) is investigated, employing a microstructure-based modelling approach. CGI has a complex microstructure, comprising graphite particles of different shapes, sizes and orientations embedded in an iron matrix. As a result of mismatch in coefficients of thermal expansion of constituents, thermal load can result in damage due to interfacial debonding. To evaluate this phenomenon, representative volume elements of CGI microstructures are studied using finite-element simulations. Specific inputs in the model are provided through statistical analysis of SEM micrographs. Further, the influence of boundary conditions and incorporation of an interfacial layer is discussed. The obtained results demonstrate that the onset of matrix plasticisation and graphite decohesion are sensitive to the adopted modelling assumptions.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Procedia Structural Integrity

Volume

28

Pages

1286 - 1294

Publisher

Elsevier BV

Version

VoR (Version of Record)

Rights holder

© The Authors

Publisher statement

This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence (CC BY-NC-ND 4.0). Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

06/11/2020

Publication date

2020-12-01

Copyright date

2020

ISSN

2452-3216

eISSN

2452-3216

Language

en

Depositor

Prof Vadim Silberschmidt. Deposit date: 18 March 2021

Usage metrics

Loughborough Publications

Categories

Exports