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Ikumu Watanabe
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Ta-Te Chen
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Minimal-surface-based multiphase metamaterials with highly variable stiffness
Description/Abstract:
Variable-stiffness materials have a unique ability to change their stiffness reversibly in response to external stimuli or conditions. Ho...
Keyword:
Low-melting-point alloys
,
Mechanical metamaterials
,
Phase transition
,
Shape memory
,
Triply periodic minimal surfaces
, and
Variable-stiffness materials
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Ikumu Watanabe
,
Siqian Wang
,
Ta-Te Chen
, and
Masanobu Naito
Journal:
Materials & Design
Date Uploaded:
12/04/2024
Multi-objective topology optimization of porous microstructure in die-bonding layer of a semiconductor
Description/Abstract:
To enhance semiconductor efficiency, it is imperative to develop a die-bonding material possessing exceptional thermal conductivity and s...
Keyword:
Multi-objective topology optimization
,
finite element analysis
,
highthroughput evaluation
,
microstructure design
, and
porous microstructure
Resource Type:
Article
Author:
Jiaxin Zhou
,
Ikumu Watanabe
,
Weikang Song
,
Keita Kambayashi
, and
Ta-Te Chen
Journal:
Science and Technology of Advanced Materials: Methods
Date Uploaded:
12/04/2024
Topological alternation from structurally adaptable to mechanically stable crosslinked polymer
Description/Abstract:
Stimuli-responsive polymers with complicated but controllable shape-morphing behaviors are critically desirable in several engineering f...
Keyword:
Covalent adaptable network polymer
,
creep deformation
,
shape-morphing polymer material
, and
topological alternation
Resource Type:
Article
Author:
Wei-Hsun Hu
,
Ta-Te Chen
,
Ryo Tamura
,
Kei Terayama
,
Siqian Wang
,
Ikumu Watanabe
, and
Masanobu Naito
Date Uploaded:
02/03/2023
Data-driven estimation of plastic properties in work-hardening model combining power-law and linear hardening using instrumented indentation test
Description/Abstract:
In this study, a method for determining the additional material constant in a modified work-hardening model combining power-law and linea...
Keyword:
Elastic-plastic material
,
finite element method
,
instrumented indentation test
,
material database
, and
response surface
Resource Type:
Article
Author:
Ta-Te Chen
and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Data-driven estimation of plastic properties of alloys using neighboring indentation test
Description/Abstract:
A data-driven estimation method for the plastic properties of alloys was proposed using indentations at neighboring positions. An instrum...
Keyword:
Elastic-plastic material
,
finite element method
,
instrumented indentation test
,
material database
,
mechanical testing
, and
response surface
Resource Type:
Article
Author:
Ta-Te Chen
,
Ikumu Watanabe
,
Dayuan Liu
, and
Kenta Goto
Date Uploaded:
28/02/2023
Reprogrammable flexible mechanical metamaterials
Description/Abstract:
Mechanical metamaterials are artificial structures with structure-dependent properties. They often harness zero-energy deformation modes....
Keyword:
Buckling
,
Imperfection
,
Mechanical metamaterials
,
Negative Poisson’s ratios
,
Shape-memory polymers
, and
Soft robotics
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Koichiro Uto
,
Wei-Hsun Hu
,
Ta-Te Chen
,
Masanobu Naito
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Characterization of the Strain-Rate-Dependent Plasticity of Alloys Using Instrumented Indentation Tests
Description/Abstract:
Instrumented indentation tests are an efficient approach to characterize stress--strain curves instead of tensile or compression tests an...
Keyword:
finite elements
,
instrumented indentation test
,
mechanical testing
, and
strain-rate-dependent plasticity
Resource Type:
Article
Author:
Ta-Te Chen
,
Ikumu Watanabe
, and
Tatsuya Funazuka
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
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
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