Positions

Selected Publications

Academic Article

Year Title
2024 Reforming toolpath effect on deformation mechanics in double-sided incremental forming.  International Journal of Mechanical Sciences.  280:109548-109548. 2024
2024 Artificial neural network enhanced plasticity modeling and ductile fracture characterization of grade-1 commercial pure titanium.  International Journal of Plasticity.  179:104044-104044. 2024
2024 Identification of Yld2000–2d anisotropic yield function parameters from single hole expansion test using machine learning.  CIRP Annals.  2024
2023 Multi-interpolation Method to Linearize Stress Path in Cruciform Specimen for In-Plane Biaxial Test.  Journal of Metals.  75:5505-5514. 2023
2023 Inter-void shearing effect on damage evolution under plane strain deformation in high-strength aluminum alloy sheet.  Journal of Materials Research and Technology.  26:7547-7565. 2023
2023 Modeling the multiaxial fracture behavior of Ti–6Al–4V alloy sheets at a high temperature using improved damage modeling.  Journal of Materials Research and Technology.  25:1844-1859. 2023
2023 Manipulating martensite transformation of SS304L during double-sided incremental forming by varying temperature and deformation path.  CIRP Annals.  72:221-224. 2023
2022 Acoustic emission monitoring for necking in sheet metal forming.  Journal of Materials Processing Technology.  310:117758-117758. 2022
2022 Plastic anisotropy evolution of SS316L and modeling for novel cruciform specimen.  International Journal of Mechanical Sciences.  234:107663-107663. 2022
2022 Constitutive modeling of commercial pure titanium sheet based on non-associated flow rule and differential hardening.  International Journal of Mechanical Sciences.  230:107549-107549. 2022
2022 Robustness of deep-drawing finite-element simulations to process variations.  International Journal of Material Forming.  15. 2022
2022 Effectiveness of different closed-loop control strategies for deep drawing on single-acting 3D Servo Presses.  CIRP Annals.  71:357-360. 2022
2022 Inducing <111> texture in AA5182-O through continuous-bending-under-tension and recovery heat treatment processes to influence r-values.  CIRP Annals.  71:249-252. 2022
2021 Observation of Portevin-le Chatelier effect in aluminum alloy 7075-w under a heterogeneous stress field.  Scripta Materialia.  205:114178-114178. 2021
2021 Effect of plastic anisotropy and Portevin-Le Chatelier bands on hole-expansion in AA7075 sheets in-T6 and -W tempers.  Journal of Materials Processing Technology.  296:117211-117211. 2021
2021 Hole-Expansion: Sensitivity of Failure Prediction on Plastic Anisotropy Modeling.  JOURNAL OF MANUFACTURING AND MATERIALS PROCESSING.  5:28-28. 2021
2020 Plasticity and Formability of Annealed, Commercially-Pure Aluminum: Experiments and Modeling..  Materials.  13:E4285. 2020
2020 On the expansion of a circular hole in an orthotropic elastoplastic thin sheet.  International Journal of Mechanical Sciences.  182:105706-105706. 2020
2019 Ductile fracture of an aluminum sheet under proportional loading.  Journal of the Mechanics and Physics of Solids.  132:103685-103685. 2019
2019 Plasticity and ductile fracture modeling of an Al-Si-Mg die-cast alloy.  International Journal of Fracture.  216:101-121. 2019
2018 Plastic anisotropy and ductile fracture of bake-hardened AA6013 aluminum sheet.  International Journal of Solids and Structures.  155:123-139. 2018
2018 Influence of Yield Stress Determination in Anisotropic Hardening Model on Springback Prediction in Dual-Phase Steel.  Journal of Metals.  70:1560-1566. 2018
2018 A Coupled Crystal Plasticity and Anisotropic Yield Function Model to Identify the Anisotropic Plastic Properties and Friction Behavior of an AA 3003 Alloy.  Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science.  49A:282-294. 2018
2016 Evolutionary anisotropy and flow stress in advanced high strength steels under loading path changes.  Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing.  672:65-77. 2016
2016 Prediction of part shape and associated material properties in hot-press forming using finite element analysis.  Journal of Physics : Conference Series.  734:032024-032024. 2016
2014 Meso-Scopic Analysis of Strain Path Change Effect on the Hardening Behavior of Dual-Phase Steel.  Steel Research International.  85:1047-1057. 2014
2014 Continuous strain path change simulations for sheet metal.  Computational Materials Science.  82:286-292. 2014
2013 Strain hardening response and modeling of EDDQ and DP780 steel sheet under non-linear strain path.  Mechanics of Materials.  64:11-26. 2013
2013 Extension of homogeneous anisotropic hardening model to cross-loading with latent effects.  International Journal of Plasticity.  46:130-142. 2013
2012 Determination of flow curves under equibiaxial stress conditions.  Key Engineering Materials.  504-506:53-+. 2012
Advances in Constitutive Modeling of Plasticity for Forming Applications.  Key Engineering Materials.  725:3-14.

Chapter

Year Title
2024 Examination of Bending Stress Superposition Effect on Martensite Transformation in Austenitic Stainless Steel 304.  Lecture Notes in Mechanical Engineering. 475-485. 2024

Conference Paper

Year Title
2020 Experimental Investigation and Plasticity Modeling of SS316 L Microtubes Under Varying Deformation Paths.  Journal of Micro and Nano-Manufacturing. 2020
2019 AA1100-O cylindrical cup-drawing using 3D servo-press.  IOP Conference Series: Materials Science and Engineering. 012094-012094. 2019
2019 Failure of AA6022-T4 Sheets in Hole-Expansion after Uniaxial Prestrain.  AIP Conference Proceedings. 2019
2018 Ductile fracture of AA6111 alloy including the effect of bake-hardening.  Journal of Physics : Conference Series. 012026-012026. 2018
2017 Investigation of plastic strain rate under strain path changes in dual-phase steel using microstructure-based modeling.  International Journal of Plasticity. 89-111. 2017
2017 Ductile fracture of an Al-Si-Mg die-casting aluminum alloy.  Procedia Engineering. 2024-2029. 2017
2011 Application of Homogeneous Potentials for the Modeling of the Bauschinger Effects in Ultra Low Carbon Steel.  AIP Conference Proceedings. 1453-1457. 2011

Teaching Activities

  • Doctoral Research Taught course
  • Doctoral Research Taught course
  • Honors Seminar Taught course
  • Materials Processing in Manuf Taught course
  • Materials Processing in Manuf Taught course
  • Statics Taught course
  • Doctoral Research Taught course 2023
  • Theory of Plasticity Taught course 2023
  • Doctoral Research Taught course 2022
  • Honors Seminar Taught course 2022
  • Materials Processing in Manuf Taught course 2022
  • Materials Processing in Manuf Taught course 2022
  • Statics Taught course 2022
  • Theory of Plasticity Taught course 2022
  • Statics Taught course 2021
  • Theory of Plasticity Taught course 2021
  • Statics Taught course 2020
  • Top/Mat Processing& Manufactng Taught course 2020

    • Full Name

  • Jinjin Ha