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Modelling of mechanical properties of MAX-phase materials
University West, Department of Engineering Science, Division of Production Engineering. (PTW)
2009 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
2009.
Series
Thesis for the degree of licentiate of engineering/Chalmers university of technology, ISSN 1652-8565 ; 2009:10
Keywords [en]
MAX-phase; Thermal spray; Kinking; FEM
National Category
Other Engineering and Technologies not elsewhere specified
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-2433OAI: oai:DiVA.org:hv-2433DiVA, id: diva2:316084
Presentation
(English)
Supervisors
Available from: 2010-04-30 Created: 2010-04-29 Last updated: 2018-07-25Bibliographically approved
List of papers
1. Microindentation and Inverse Analysis to Characterize Elastic-Plastic Properties for Thermal Sprayed Ti2AlC and NiCoCrAlY
Open this publication in new window or tab >>Microindentation and Inverse Analysis to Characterize Elastic-Plastic Properties for Thermal Sprayed Ti2AlC and NiCoCrAlY
2009 (English)In: Journal of thermal spray technology (Print), ISSN 1059-9630, E-ISSN 1544-1016, Vol. 18, no 2, p. 194-200Article in journal (Refereed) Published
Abstract [en]

Elastic-plastic material properties for HVOF sprayed Ti2AlC (sprayed with Maxthal 211 powder) and plasma sprayed NiCoCrAlY coatings were investigated using modeling and experimental Berkovich microindentation. Optical microstructure evaluations were also performed. The theories of Hertz, Oliver and Pharr were combined with finite element analysis for extracting the material properties. Empirically based material models for both thermal sprayed Ti2AlC and NiCoCrAlY coatings are proposed.

Place, publisher, year, edition, pages
Springer, 2009
Keywords
elastic-plastic properties, indentation, inverse analysis, MAX phase, NiCoCrAlY
National Category
Metallurgy and Metallic Materials
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
urn:nbn:se:hv:diva-2252 (URN)10.1007/s11666-009-9310-9 (DOI)
Available from: 2010-03-03 Created: 2010-03-03 Last updated: 2020-03-31Bibliographically approved
2. Object-oriented finite element analysis to simulate microindentation of thermal sprayed MAX-phase coatings
Open this publication in new window or tab >>Object-oriented finite element analysis to simulate microindentation of thermal sprayed MAX-phase coatings
2009 (English)In: Proceedings - 2009 International Conference on Computer Modeling and Simulation, ICCMS 2009, 2009, p. 337-341Conference paper, Published paper (Other (popular science, discussion, etc.))
Keywords
FEM, Indentation, Inhomogeneity, MAX-phase, Nonlinear analysis, OOF, Simulation
National Category
Production Engineering, Human Work Science and Ergonomics Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
urn:nbn:se:hv:diva-1682 (URN)10.1109/ICCMS.2009.77 (DOI)978-0-7695-3562-3 (ISBN)
Conference
ICCMS 2009
Available from: 2009-09-28 Created: 2009-09-25 Last updated: 2018-07-25Bibliographically approved
3. Numerical modelling of the compression behaviour of single-crystalline MAX-phase materials
Open this publication in new window or tab >>Numerical modelling of the compression behaviour of single-crystalline MAX-phase materials
2010 (English)In: Advanced materials research, ISSN 1022-6680, Vol. 89-91, p. 262-267Article in journal (Refereed) Published
Abstract [en]

In this article a numerical model to describe the mechanical behaviour of nanophased singlecrystalline Ti3SiC2 is proposed. The approach is a two dimensional finite element periodic unit cell consisting of an elastic matrix interlayered with shear deformable slip planes which obey the Hill's yield criterion. The periodic unit cell is used to predict compression material behaviour of Ti3SiC2 crystals with arbitrary slip plane orientations. Stress strain relationships are derived for Ti 3SiC2, and the effect of slip plane volume fraction as well as orientation of the slip planes are investigated. The two main deformation mechanisms of the material namely; ordinary slip and so called kinking are considered in the study.

Place, publisher, year, edition, pages
Trans Tech Publications, 2010
Keywords
FEA; Homogenization; Max-phase; Periodic unit cell
National Category
Manufacturing, Surface and Joining Technology Metallurgy and Metallic Materials
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
urn:nbn:se:hv:diva-2218 (URN)10.4028/www.scientific.net/AMR.89-91.262 (DOI)
Available from: 2010-02-16 Created: 2010-02-16 Last updated: 2018-07-25Bibliographically approved

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