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Elasto-plastic single fiber pulling out of matrix with friction
Institute of Mechanics, Concrete Mechanics Laboratory, Riga Technical University.
Institute of Mechanics, Riga Technical University.
Majmaah University.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap. Department of Engineering Sciences and Mathematics, Luleå University of Technology.ORCID-id: 0000-0001-9649-8621
2014 (Engelska)Ingår i: 16th European Conference on Composite Materials, ECCM 2014: Seville, Spain, 22- 26 June 2014, European Conference on Composite Materials, ECCM , 2014Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Fibers are bridging cracks in short fiber brittle matrix composites. Post cracking composite material load - bearing capacity is dependent on each single fiber pull-out process. Numerical modeling results for single elasto-plastic fiber, is pulling out of elastic matrix, are presenting in the paper. Numerical results were compared with the data for single steel fiber pull-out of concrete matrix. 2D elastic and 3D elasto-plastic modeling, using the finite element method (FEM) approach, taking into account friction between fiber and matrix is presenting. Numerical modeling was performed for straight shape fiber was embedded into elastic matrix under variable angles to direction of applied pulling force. Fibers were embedded into matrix at variable depth. Friction between fiber and matrix and matrix shrinkage as well as elastic and plastic deformations in fiber are under investigation.

Ort, förlag, år, upplaga, sidor
European Conference on Composite Materials, ECCM , 2014.
Nyckelord [en]
Elasticity, Fiber, Friction, Plasticity
Nationell ämneskategori
Kompositmaterial och -teknik
Forskningsämne
Polymera konstruktionsmaterial
Identifikatorer
URN: urn:nbn:se:ltu:diva-39350Scopus ID: 2-s2.0-84915819099Lokalt ID: e0be1f72-b1f6-4ad5-bb74-9ab3447c0d11ISBN: 9780000000002 (tryckt)OAI: oai:DiVA.org:ltu-39350DiVA, id: diva2:1012861
Konferens
European Conference on Composite Materials : 22/06/2014 - 26/06/2014
Anmärkning

Godkänd; 2014; 20141217 (andbra)

Tillgänglig från: 2016-10-03 Skapad: 2016-10-03 Senast uppdaterad: 2019-08-20Bibliografiskt granskad

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