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Title:Experimental characterization and phase-field damage modeling of ductile fracture in AISI 316l
Authors:ID Dunić, Vladimir (Author)
ID Gubeljak, Nenad (Author)
ID Živković, Miroslav (Author)
ID Milovanović, Vladimir (Author)
ID Jagarinec, Darko (Author)
ID Djordjevic, Nenad (Author)
Files:.pdf metals-14-00787.pdf (3,84 MB)
MD5: 2A4AF225145F064478B5B6FC2BD35DF4
 
URL https://www.mdpi.com/2075-4701/14/7/787
 
Language:English
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:) Modeling and characterization of ductile fracture in metals is still a challenging task in the field of computational mechanics. Experimental testing offers specific responses in the form of crack-mouth (CMOD) and crack-tip (CTOD) opening displacement related to applied force or crack growth. The main aim of this paper is to develop a phase-field-based Finite Element Method (FEM) implementation for modeling of ductile fracture in stainless steel. (2) A Phase-Field Damage Model (PFDM) was coupled with von Mises plasticity and a work-densities-based criterion was employed, with a threshold to propose a new relationship between critical fracture energy and critical total strain value. In addition, the threshold value of potential internal energy—which controls damage evolution—is defined from the critical fracture energy. (3) The material properties of AISI 316L steel are determined by a uniaxial tensile test and the Compact Tension (CT) specimen crack growth test. The PFDM model is validated against the experimental results obtained in the fracture toughness characterization test, with the simulation results being within 8% of the experimental measurements.
Keywords:phase-field damage modeling, ductile fracture, crack-tip opening displacement, crack growth, resistance curve, finite element method, simulations
Publication status:Published
Publication version:Version of Record
Submitted for review:01.07.2024
Article acceptance date:02.07.2024
Publication date:05.07.2024
Publisher:MDPI
Year of publishing:2024
Number of pages:17 str.
Numbering:Vol. 14, iss. 7, [article no.] 787
PID:20.500.12556/DKUM-90747 New window
UDC:639.3:004.94
ISSN on article:2075-4701
COBISS.SI-ID:207662083 New window
DOI:10.3390/met14070787 New window
Publication date in DKUM:19.09.2024
Views:0
Downloads:9
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
DUNIĆ, Vladimir, GUBELJAK, Nenad, ŽIVKOVIĆ, Miroslav, MILOVANOVIĆ, Vladimir, JAGARINEC, Darko and DJORDJEVIC, Nenad, 2024, Experimental characterization and phase-field damage modeling of ductile fracture in AISI 316l. Metals [online]. 2024. Vol. 14, no. 7,  787. [Accessed 25 April 2025]. DOI 10.3390/met14070787. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=90747
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Record is a part of a journal

Title:Metals
Shortened title:Metals
Publisher:MDPI AG
ISSN:2075-4701
COBISS.SI-ID:15976214 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0137-2022
Name:Numerična in eksperimentalna analiza nelinearnih mehanskih sistemov

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:modeliranje poškodb faznega polja, duktilni lom, trdnost materiala, trdnost zvarnih spojev, rast razpoke, krivulja upora, metoda končnih elementov, simulacije


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