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Comparison of ductile damage models during scratch tests - a numerical study

Mostaani, Akbar, Pereira, Michael and Rolfe, Bernard 2016, Comparison of ductile damage models during scratch tests - a numerical study, in BALTTRIB' 2015: Proceedings of the 8th International Scientific Conference, Aleksandras Stulginskis University, Kaunas, Lithuania, pp. 126-133, doi: 10.15544/balttrib.2015.23.

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Title Comparison of ductile damage models during scratch tests - a numerical study
Author(s) Mostaani, Akbar
Pereira, MichaelORCID iD for Pereira, Michael
Rolfe, BernardORCID iD for Rolfe, Bernard
Conference name BALTTRIB International Scientific Conference (8th : 2015 : Kaunas, Lithuania)
Conference location Kaunas, Lithuania
Conference dates 26 - 27 Nov. 2015
Title of proceedings BALTTRIB' 2015: Proceedings of the 8th International Scientific Conference
Editor(s) Padgurskas, J.
Rukuiža, R. K.
Rukuiža, V.
Publication date 2016
Start page 126
End page 133
Total pages 7
Publisher Aleksandras Stulginskis University
Place of publication Kaunas, Lithuania
Keyword(s) Ductile damage
Finite element
Scratch test
Summary The ‘wear mode diagram’ has been commonly used to classify the deformation regime of the soft work-piece during scratching, into three modes: ploughing, wedge formation and cutting. The scratch test is usedto evaluate wear modes and material removal associated with wear. There are different damage models in the literature used for the description of material behaviour after damage initiation under different loadingconditions. However, there has been little analysis to compare damage models during scratch test conditions. The first aim of this work is first to use a finite element modelling package (Abaqus/Explicit) to build a 3Dmodel to capture deformation modes during scratching with indenters with different attack angles. Three different damage models are incorporated into the model and patterns of damage initiation and propagation arecompared with experimental results from the literature. This work highlights the role of the damage model in accurately capturing wear modes and material removal during two body sliding interactions.
ISBN 9786094490934
ISSN 2424-5089
Language eng
DOI 10.15544/balttrib.2015.23
Field of Research 091309 Tribology
091307 Numerical Modelling and Mechanical Characterisation
Socio Economic Objective 861205 Sheet Metal Products
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Grant ID ARC LP120100239
Copyright notice ©2015, The Authors
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