Profile
Image: 
Title: 
Asst. Prof. Dr.
Surname: 
YALCINKAYA
Status: 
Part-Time Academic Staff
Program: 
Aerospace Engineering
Telephone: 
2929
E-mail: 
ytuncay@metu.edu.tr
Room: 
R211
Educational Background: 
  • B.S., METU; M.S., University of Stuttgart; Ph.D., Eindhoven University of Technology (METU-Ankara)
Research Interests: 
  • Theoretical and Computational Mechanics of Solids and Structures, Constitutive Modeling of Engineering Materials, Physics-based Plasticity Modeling (e.g. Crystal Plasticity and Strain Gradient Crystal Plasticity), Material Forming, Plastic Anisotropy, Dislocation mechanics and Grain Boundaries, Fracture and Damage Mechanisms of Solids, Cohesive Zone Modeling, Irradiation Damage, Creep and Fatigue of Engineering Materials, Energy Materials, Numerical Analysis and Finite Element Method
Courses Taught: 
  • Statics
  • Mechanics of Materials
  • Applied Elasticity
  • Aerospace Structures
Selected Publications: 
  • Dissertations/Books
  • Theory and Numerics of Material Forces in Thermo-Elastic-Plastic Materials by Tuncay Yalçınkaya, Report No: 05-I-05, Institute für Mechanik - Lehrstuhl I, Universität Stuttgart, June 2005 (M.Sc. Thesis)
  • Microstructure evolution in crystal plasticity: strain path effects and dislocation slip patterning by Tuncay Yalçınkaya, ISBN:978-90-386-2729-8, Eindhoven University of Technology, September 2011 (PhD Thesis)
  • Journal publications
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, BCC single crystal plasticity modeling and its experimental identification, Model. Simul. Mater. Sci. Engng. 16 (2008) 085007
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, A composite dislocation cell model to describe strain path change effects in BCC metals, Model. Simul. Mater. Sci. Engng. 17 (2009) 064008
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, Deformation patterning driven by rate dependent non-convex strain gradient plasticity, Journal of the Mechanics and Physics of Solids 59 (2011) 1-17
  • T. Yalçinkaya, W.A.M. Brekelmans, M.G.D. Geers, Non-convex rate dependent strain gradient crystal plasticity and deformation patterning, International Journal of Solids and Structures, 49 (2012) 2625-2636
  • T. Yalçinkaya, Multi-scale modeling of microstructure evolution induced anisotropy in metals, Key Engineering Materials, 554-557 (2013) 2388-2399
  • Benjamin Klusemann, Tuncay Yalçinkaya, Plastic deformation induced microstructure evolution through gradient enhanced crystal plasticity based on a non-convex Helmholtz energy, International Journal of Plasticity, 48 (2013) 168-188
  • Benjamin Klusemann, Tuncay Yalçinkaya, Marc Geers, Bob Svendsen, Application of non-convex rate dependent gradient plasticity to the modeling and simulation of inelastic microstructure development and inhomogeneous material behavior, Computational Materials Science, 80 (2013) 51-60
  • Izzet Ozdemir, Tuncay Yalcinkaya, Modeling of dislocation-grain boundary interactions in a strain gradient crystal plasticity framework, Computational Mechanics, 54 (2014) 255–268
  • Giovanni Lancioni, Tuncay Yalcinkaya, Plastic slip patterns through rate-independent and rate-dependent plasticity, Key Engineering Materials, 611 (2014) 1777-1786
  • Tuncay Yalcinkaya, Giovanni Lancioni, Energy-based modeling of localization and necking in plasticity, Procedia Materials Science, 3 (2014) 1618–1625
  • Giovanni Lancioni, Tuncay Yalcinkaya, Alan Cocks, Energy based non-local plasticity models for deformation patterning, localization and fracture, Proceedings A, 471 (2015) 20150275
  • Tuncay Yalcinkaya, Alan Cocks, Physics based formulation of a cohesive zone model for ductile fracture, Key Engineering Materials, 651-653 (2015) 993-999
  • Giovanni Lancioni, Gianluca Zitti, Tuncay Yalcinkaya, Rate-independent deformation patterning in crystal plasticity, Key Engineering Materials,651-653 (2015) 944-949
  • Tuncay Yalcinkaya, Alan Cocks, Micromechanical cohesive zone relations for ductile fracture, Procedia Structural Integrity, 2 (2016) 1716-1723
  • Haydar Dirik, Tuncay Yalcinkaya, Fatigue Crack Growth Under Variable Amplitude Loading Through XFEM, Procedia Structural Integrity, 2 (2016) 3073-3080
  • Book chapters
  • T. Yalcinkaya, Strain Gradient Crystal Plasticity: Thermodynamics and Implementation, Handbook of Nonlocal Continuum Mechanics for Materials and Structures; Editor: George Z. Voyiadjis, Springer, 1–32, (2017)
  • I. Ozdemir, T. Yalcinkaya, Strain Gradient Crystal Plasticity: Intergranular Microstructure Formation, Handbook of Nonlocal Continuum Mechanics for Materials and Structures; Editor: George Z. Voyiadjis, Springer, 1–32, (2017)
  • T. Yalcinkaya, G. Lancioni, Strain Gradient Plasticity: Deformation Patterning, Localization and Fracture, Handbook of Nonlocal Continuum Mechanics for Materials and Structures; Editor: George Z. Voyiadjis, Springer, To appear soon, (2017)
  • International Proceedings
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, A BCC crystal plasticity framework for strain path effects, in Proceedings of the Seventh World Congress on Computational Mechanics, 17-21 July 2006, Los Angeles, United States
  • T. Yalcinkaya, Strain Path Change Effects in a BCC Crystal Plasticity Framework, in Proceedings of the Ninth Engineering Mechanics Symposium, 26-27 October 2006, De Werelt, Lunteren, The Netherlands
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, Strain Path Change Induced Anisotropy in BCC Structured Metals, in Proceedings of the International Symposium on Plasticity 2007 and its current applications, 2-6 June 2007, Alaska, United States
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, Anisotropy During Monotonic and Multi-stage loading in BCC Structured Metals, in Proceedings of Ninth US National Congress on Computational Mechanics, 23-27 July 2007, San Francisco, United States
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, Modeling of strain path change induced anisotropy in BCC structured metals, in Proceedings of the IUTAM Symposium on Multi-Scale Plasticity of Crystalline Materials, Eindhoven University of Technology, 05-09 November 2007 Eindhoven, The Netherlands
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, A Composite Cell model for BCC Structured Metals Under Strain Path Changes, in Proceedings of the 8thWorld Congress on Computational Mechanics (WCCM8), 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), 30 June - 4 July 2008, Venice, Italy
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, Plastic anisotropy induced by strain path changes in BCC metals, in the book of abstracts of M2I conference 2008 (Materials to Innovate the Industry), 8-10 December 2008, Noordwijkerhout, The Netherlands
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, Plastic slip patterning driven by rate dependent non-convex strain gradient plasticity, in proceedings of 4th European Conference on Computational Mechanics (ECCM 2010), 17 - 21 May 2010, Paris, France
  • Tuncay Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, Plastic slip patterning through rate dependent non-convex gradient-enhanced plasticity, in proceedings of 82nd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM 2011), 18-21 April 2011, Graz, Austria
  • M.G.D. Geers, T. Yalcinkaya, W.A.M. Brekelmans, Patterning in non-convex strain gradient crystal plasticity, in proceedings of 2nd International Conference on Material Modeling (ICMM2), 31 August - 2 September 2011, Paris, France
  • Tuncay Yalcinkaya, Izzet Ozdemir, Karl-Fredrik Nilsson, Non-local polycrystal plasticity modeling of Generation IV nuclear reactor components with special focus on grain boundaries, in proceedings of COMPLAS XI, XI International Conference on Computational Plasticity, 7-9 September 2011, Barcelona, Spain
  • M.G.D. Geers, T. Yalcinkaya, W.A.M. Brekelmans, Microstructural patterning in time dependent non-convex crystal plasticity, in proceedings of 11th GAMM Seminar on Microstructures, 20-21 January 2012, Essen, Germany
  • T. Yalcinkaya, Deformation patterning and grain boundary modeling through strain gradient crystal plasticity, in proceedings of 83rd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM 2012), 26-30 March 2012, Darmstadt, Germany
  • T. Yalcinkaya, W.A.M. Brekelmans, M.G.D. Geers, Deformation patterning through non-convex strain gradient crystal plasticity, in proceedings of 10th World Congress on Computational Mechanics, (WCCM 2012), 6-10 August 2012, Sao Paulo, Brazil
  • Bob Svendsen, Benjamin Klusemann, T. Yalcinkaya, M.G.D. Geers, Modeling of inelastic microstructure development and inhomogeneous material behavior via non-convex rate-dependent crystal plasticity, in proceedings of XXIII ICTAM (ICTAM 2012), 19-24 August 2012 Beijing, China
  • Benjamin Klusemann, T. Yalcinkaya, M.G.D. Geers, Bob Svendsen, Modeling and simulation of inelastic microstructure development and inhomogeneous material behaviour via non-convex rate dependent gradient plasticity, in proceedings of 6th European Congress on Computational Methods in Applied Sciences and Engineering (ECOMMAS 2012), 10-14 September 2012, Vienna, Austria
  • T. Yalcinkaya, Modeling of localization and microstructure evolution in metallic materials, in proceedings of 1st International Workshop on Physics Based Modeling of Material Properties and Experimental Observations, 22-23 October 2012, Ankara, Turkey
  • Karl-Fredrik Nilsson and T. Yalcinkaya, Material issues in nuclear applications, in proceedings of 1st International Workshop on Physics Based Modeling of Material Properties and Experimental Observations, 22-23 October 2012, Ankara, Turkey
  • T. Yalcinkaya, Rate dependent plastic microstructure evolution through strain gradient crystal plasticity, in proceedings of PLASTICITY 2013, 3-8 January 2013, Nassau, Bahamas
  • Giovanni Lancioni and Tuncay Yalcinkaya, Comparing two models for slip-patterning and strain-localization based on a non-convex plastic energy, in proceedings of 2nd International Workshop on Physics Based Modeling of Material Properties and Experimental Observations, 15-17 May 2013, Antalya, Turkey
  • Karl-Fredrik Nilsson and Tuncay Yalcinkaya, The need for physics-based fracture and damage models for nuclear energy applications, in proceedings of 2nd International Workshop on Physics Based Modeling of Material Properties and Experimental Observations, 15-17 May 2013, Antalya, Turkey
  • Giovanni Lancioni and Tuncay Yalcinkaya, Rate-dependent and rate-independent plasticity models for slip-patterning and strain-localization, in proceedings of 11th AIMETA (Italian Association of Theoretical and Applied Mechanics) Congress, 17-20 September 2013, Torino, Italy
  • Tuncay Yalcinkaya, Micro-mechanical approach to metal forming. 17th Annual Conference on Material Forming - ESAFORM 2014, 7-9 May 2014, Espoo, Finland
  • Tuncay Yalcinkaya, Giovanni Lancioni, Plastic slip patterns through rate-independent and rate-dependent plasticity. 17th Annual Conference on Material Forming - ESAFORM 2014, 7-9 May 2014, Espoo, Finland
  • Igor Simonovski, Leon Cizelj, Tuncay Yalcinkaya, Intergranular cracking in polycrystalline aggregates using cohesive zone approach, in proceedings of 3rd International Workshop on Physics Based Material Models and Experimental Observations, 2-4 June 2014, Cesme, Turkey
  • Tuncay Yalcinkaya, Giovanni Lancioni, Strain localization induced failure and microstructure evolution through rate dependent and rate independent non-convex plasticity models, in proceedings of 20th. European Conference on Fracture, 30 June - 4 July 2014, Trondheim, Norway
  • Tuncay Yalcinkaya, Izzet Ozdemir, Modeling of grain boundaries in a strain gradient crystal plasticity framework, in proceedings of 11th. World Congress on Computational Mechanics (WCCM XI), 20-25 July 2014, Barcelona, Spain
  • Tuncay Yalcinkaya, Giovanni Lancioni, Gianluca Zitti, Strain Localization in Multi-Slip Crystal Plasticity , in proceedings of 9th. European Solid Mechanics Conference, 6-10 July 2015, Madrid, Spain
  • Tuncay Yalcinkaya, Alan Cocks, Micromechanically motivated cohesive zone formulation for ductile fracture, in proceedings of ENUMATH2015, 14-18 September 2015, in Ankara, TURKEY.
  • Igor Simonovski, Tuncay Yalcinkaya Strain gradient crystal plasticity approach to modelling micro-plastic flow and localisation in polycrystalline materials,in proceedings of NENE2015 (24th International Conference Nuclear Energy for New Europe), 14-17 September 2015, in Portoroz, SLOVENIA.
  • Tuncay Yalcinkaya, Igor Simonovski, Izzet Ozdemir, Strain Gradient Polycrystal Plasticity for Micro-Forming, AIP Conference Proceedings 1769, 160003 (2016); doi: 10.1063/1.4963546, in the proceedings of 19th ESAFORM Conference on Material Forming, 27-29 April 2016, Nantes, FRANCE
  • Tuncay Yalcinkaya, Izzet Ozdemir, Inter-granular Microstructure Formation and Evolution Through Crystal Plasticity, in proceedings of 12th World Congress on Computational Mechanics (WCCM2016) Conference, 24-29 July, 2016, Seoul, Korea
  • Tuncay Yalcinkaya, Microstructure evolution in plasticity, in proceedings of 24th International Congress of Theoretical and Applied Mechanics (ICTAM 2016) Conference, 21-26 August, 2016, Montreal, Canada
  • Tuncay Yalcinkaya, Aytekin Demirci, Igor Simonovski, Izzet Ozdemir, Intrinsic and Statistical Size Effects in Microforming , To appear in AIP Conference Proceedings, in the proceedings of 20th ESAFORM Conference on Material Forming, 26-28 April 2017, Dublin, Ireland
  • Haydar Dirik, Tuncay Yalcinkaya, An XFEM Based Algorithm for Fatigue Crack Growth Path and Life Evaluation Under Variable Amplitude Loading , in the proceedings of Workshop on Materials resistant to extreme conditions for future energy systems, 12-14 June 2017, Kiev, Ukraine
  • Tuncay Yalcinkaya, Aytekin Demirci, Size Effect and Inter-Granular Localization in Polycrystalline Materials , in the proceedings of Workshop on Materials resistant to extreme conditions for future energy systems, 12-14 June 2017, Kiev, Ukraine
  • National Proceedings
  • Haydar Dirik, Tuncay Yalcinkaya, Degisken genlikli yukleme altinda genisletilmis sonlu elemanlar yontemi ile catlak ilerlemesi analizi, in Proceedings of the UHUK 2016 conference on 28-30 September 2016, in Kocaeli, Turkey
  • Other Publications
  • Book of abstracts of 1st International Workshop on Physics Based Material Models and Experimental Observations, edited by Tuncay Yalçınkaya and Karl-Fredrik Nilsson, ISBN:978-92-79-26418-4 (pdf), ISBN:978-92-79-26455-9 (print), doi: 10.2790/62941 European Commission, 2012.
  • Book of abstracts of 2nd International Workshop on Physics Based Material Models and Experimental Observations, edited by Tuncay Yalçınkaya, Karl-Fredrik Nilsson, Ersin Emre Oren and Cihan Tekoglu, ISBN 978-92-79-29384-9 (pdf), doi:10.2790/85872 European Commission, 2013.
  • Book of abstracts of 3rd International Workshop on Physics Based Material Models and Experimental Observations, edited by Tuncay Yalçınkaya, Karl-Fredrik Nilsson, Ercan Gurses, Cem Tasan and Can Ayas, ISBN 978-92-79-38252-9 (pdf), doi:10.2790/19785 European Commission, 2014.
  • Tuncay Yalcinkaya, Micromechanical plasticity for metal forming, ESAFORM Bulletin Vol. 18 No:1 2015, 3-6.