Research field (1):
Manufacturing and production engineering
Research theme for competitive and other funds (14):
2021 - 2024 Prediction of deformation localization and fracture in polycrystalline titanium alloy based on 3D measurement of ultra-small inhomogeneous deformation
2019 - 2023 Springback analysis of metallic materials by yield surface taken into into consideration crystal orientation changes with plastic deformation
2018 - 2021 Prediction of Development of Inhomogeneous Plastic Deformation and Fracture Based on Change in Elastic Height Distribution in Polycrystalline Metals
2015 - 2018 高精度大ひずみ弾塑性材料モデルを用いた一貫成形FEMの開発とその応用
2013 - 2016 Establishment of prediction and evaluation techniques of the effect of initial residual stress in sheet metal forming process
2011 - 2013 Multiscale analysis of plastic anistropy and Bauschinger effect and Its press stamping simulations
2010 - 2012 Modeling of viscoplastic behavior of highly ductile acrylic adhesive under cyclic torsion and its application for press- forming analysis of adhesively bonded sheet metals
2008 - 2011 Accurate material models and prediction of forming limits on high performance difficult-to-form sheet metals for cold and hot forming CAE
2003 - 2005 Constitutive models of plasticity for anisotropic sheet metals for cold/warm forming and their forming simulation applications
弾塑性FEMによるハット曲ゲスプリングバック解析
Springback analysis for Hat-bending by the elasto-plastic FEM
材料・力学メタモデル構築によるスプリングバック補正プレス金型の最適設計
冷間鍛造部品の供用時強度評価シミュレーションの高精度化
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Papers (111):
OKUI Kento, TADA Naoya, UEMORI Takeshi, SAKAMOTO Junji, SAKAKIBARA Keita. Relationship between cyclic tensile properties of cellulose nanofiber reinforced natural rubber and volume fraction of bound rubber obtained from swelling tests. Transactions of the JSME (in Japanese). 2024. 90. 932. 24-00008-24-00008
SAKAMOTO Junji, TADA Naoya, UEMORI Takeshi. Vibration change and crack propagation under bending vibration of aluminum alloy. Transactions of the JSME (in Japanese). 2024. 90. 930. 23-00246-23-00246
Effect of artificial defect on tensile properties of thin titanium alloy wire. 2023. 19-G04
Prediction of active slip system for commercially pure titanium sheet by crystal plasticity finite element analysis. Extended abstract of The Advanced Technology in Experimental Mechanics and International DIC Society Joint Conference 2023 (ATEM-iDICs '23). 2023. 19-G05
Naoya Tada, Takeshi Uemori, Junji Sakamoto. Prediction of slip activity of crystal grains around semi-circular and semi-elliptical notches in thin-sheet specimens of pure titanium using formulated macroscopic stress distribution and crystal orientation. Engineering Failure Analysis. 2023. 107623-107623
THE ADHESION SOCIETY OF JAPAN
, THE JAPAN INSTITUTE OF LIGHT METALS
, THE SOCIETY OF MATERIALS SCIENCE, JAPAN
, THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY
, THE IRON AND STEEL INSTITUTE OF JAPAN
, THE JAPAN SOCIETY OF MECHANICAL ENGINEERS