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Creative Commons BY Attribution 4.0 International
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Tensile deformation behavior of TRIP-aided bainitic ferrite steel in the post-necking strain region
Description/Abstract:
This study validated the methods for the evaluation of stress triaxiality using finite element (FE) simulations. The FE simulations traci...
Keyword:
Advanced high-strength steel
,
finite element simulation
,
large strain
,
small round-bar tensile test
,
stress-triaxiality
, and
synchrotron X-ray diffraction
Resource Type:
Article
Author:
Takashi Matsuno
,
Tomohiko Hojo
,
Ikumu Watanabe
,
Ayumi Shiro
,
Takahisa Shobu
, and
Kentaro Kajiwara
Date Uploaded:
28/02/2023
Origin of phase stability in Fe with long-period stacking order as an intermediate phase in cyclic γ−ε martensitic transformation
Description/Abstract:
A class of Fe-Mn-Si based alloys was found to exhibit a reversible martensitic transformation between the gamma (fcc) and epsilon (hcp) p...
Resource Type:
Article
Author:
Takao Tsumuraya
,
Ikumu Watanabe
, and
Takahiro Sawaguchi
Date Uploaded:
28/02/2023
Effect of Punch Surface Microtexture on the Microextrudability of AA6063 Micro Backward Extrusion
Description/Abstract:
To apply conventional forming processes to microscale processing, the influence of size effects caused by material properties and frictio...
Keyword:
aluminum alloy
,
microextrusion
,
microtexture
,
size effect
, and
tribology
Resource Type:
Article
Author:
Tatsuya Funazuka
,
Kuniaki Dohda
,
Tomomi Shiratori
,
Syunsuke Horiuchi
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Controllable inverse design of auxetic metamaterials using deep learning
Description/Abstract:
As typical mechanical metamaterials with negative Poisson's ratios, auxetic metamaterials exhibit counterintuitive auxetic behaviors tha...
Keyword:
Additive manufacturing
,
Generative adversarial network
,
Metamaterial
,
Negative Poisson’s ratio
, and
Voronoi tessellation
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Ta-Te Chen
,
Xiaofeng Guo
,
Sadaki Samitsu
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Numerical calculation and finite element analysis for anisotropic elastic properties of carbon fibers: Dependence of integration subinterval and mesh size on indentation-derived elastic modulus
Description/Abstract:
The elastic modulus measured by indentation of carbon fibers with various anisotropic elasticity is calculated by two numerical approache...
Keyword:
Vlassak–Nix model
,
anisotropic elasticity
,
finite element method
,
indentation
, and
numerical integration
Resource Type:
Article
Author:
Kenta Goto
,
Kimiyoshi Naito
,
Keiichi Shirasu
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Virtual substrate method for nanomaterials characterization
Description/Abstract:
Characterization techniques available for bulk or thin-film solid-state materials have been extended to substrate-supported nanomaterials...
Keyword:
Virtual substrate method
Resource Type:
Article
Author:
Bo Da
,
Jiangwei Liu
,
Mahito Yamamoto
,
Yoshihiro Ueda
,
Kazuyuki Watanabe
,
Nguyen Thanh Cuong
,
Songlin Li
,
Kazuhito Tsukagoshi
,
Hideki Yoshikawa
,
Hideo Iwai
,
Shigeo Tanuma
,
Hongxuan Guo
,
Zhaoshun Gao
,
Xia Sun
, and
Zejun Ding
Date Uploaded:
28/02/2023
Deep-learning-based inverse design of three-dimensional architected cellular materials with the target porosity and stiffness using voxelized Voronoi lattices
Description/Abstract:
Architected cellular materials are a class of artificial materials with cellular architecture-dependent properties. Typically, designing ...
Keyword:
Architected materials
,
Voronoi lattices
,
finite element simulation
,
generative adversarial network
,
inverse design
, and
mechanical properties
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Ta-Te Chen
,
Xiaoyu Jiang
,
Masanobu Naito
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Individual separation of surface, bulk and Begrenzungs effect components in the surface electron energy spectra
Description/Abstract:
We present the first theoretical recipe for the clear and individual separation of surface, bulk and Begrenzungs effect components in sur...
Keyword:
reflection electron energy loss spectroscopy spectrum
Resource Type:
Article
Author:
Lihao Yang
,
Bo Da
,
Károly Tőkési
, and
Z. J. Ding
Date Uploaded:
28/02/2023
Deep neural network approach to estimate biaxial stress-strain curves of sheet metals
Description/Abstract:
Multiaxial material testing is used to evaluate plastic deformation behavior of sheet metals in multiaxial stress states. A constitutive ...
Keyword:
Aluminum alloy sheets
,
Deep neural network
,
Material modeling
, and
Multiaxial material testing
Resource Type:
Article
Author:
Akinori Yamanaka
,
Ryunosuke Kamijyo
,
Kohta Koenuma
,
Ikumu Watanabe
, and
Toshihiko Kuwabara
Date Uploaded:
28/02/2023
Effect of Punch Surface Grooves on Microformability of AA6063 Backward Microextrusion
Description/Abstract:
In order to apply conventional forming processes at the micro scale, the size effects caused by material properties and frictional effect...
Keyword:
aluminum alloy
,
grain size
,
microextrusion
,
microtexture
, and
size effect
Resource Type:
Article
Author:
Tatsuya Funazuka
,
Kuniaki Dohda
,
Tomomi Shiratori
,
Ryo Hiramiya
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
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