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Tuning Interfacial Thermal and Electrical Conductance across a Metal/MoS2 Monolayer through N‐Methyl‐2‐pyrrolidone Wet Cleaning
Description/Abstract:
Extensive effort has been dedicated to developing two-dimensional (2D) materials as an alternative to Si-based semiconductor technology. ...
Keyword:
electrical conductance, interfacial thermal resistances, molybdenum disulfide, monolayers, wet cleaning
Resource Type:
Article
Author:
Yen‐Ju Wu
,
Yann‐Wen Lan
,
Shih‐Chieh Hsu
,
Chen‐Hao Yeh
,
Yu‐Seng Ku
,
Jyh‐Chiang Jiang
, and
Yibin Xu
Date Uploaded:
22/03/2023
Predicting interfacial thermal resistance by machine learning
Description/Abstract:
Lots of factors affect the interfacial thermal resistance (ITR), making ITR prediction a high-dimensional mathematical problem. Machine l...
Keyword:
interfacial thermal resistance, machine learning, thermal management
Resource Type:
Article
Author:
Yen-Ju Wu
,
Lei Fang
, and
Yibin Xu
Date Uploaded:
21/03/2023
Study on thermoelectric property optimization of mixed-phase bismuth telluride thin films deposited by co-evaporation process
Description/Abstract:
The development of Bi2Te3 thin films has huge potential in the pursuit of efficient thermoelectric micro/nanodevices due to their high Se...
Keyword:
Bi2Te3, Thermoelectric properties, Co-evaporation, Thin films, Mixed phases
Resource Type:
Article
Author:
Yen-Ju Wu
,
Shih-Chieh Hsu
,
Ya-Cheng Lin
,
Yibin Xu
,
Tung-Han Chuang
, and
Sheng-Chi Chen
Date Uploaded:
21/03/2023
Physical and chemical descriptors for predicting interfacial thermal resistance
Description/Abstract:
Heat transfer at interfaces plays a critical role in material design and device performance. Higher interfacial thermal resistances (ITRs...
Keyword:
interfacial thermal resistance, machine learning, database, descriptor
Resource Type:
Article
Author:
Yen-Ju Wu
,
Tianzhuo Zhan
,
Zhufeng Hou
,
Lei Fang
, and
Yibin Xu
Date Uploaded:
21/03/2023
Essential structural and experimental descriptors for bulk and grain boundary conductivities of Li solid electrolytes
Description/Abstract:
We present a computational approach for identifying the important descriptors of the ionic conductivities of lithium solid electrolytes. ...
Keyword:
Ionic conductivity
,
machine learning
,
grain boundary
,
ionic conductor
,
Li battery
,
grain size
, and
descriptor
Resource Type:
Article
Author:
Yen-Ju Wu
,
Takehiro Tanaka
,
Tomoyuki Komori
,
Mikiya Fujii
,
Hiroshi Mizuno
,
Satoshi Itoh
,
Tadanobu Takada
,
Erina Fujita
, and
Yibin Xu
Date Uploaded:
21/03/2023
Date Modified:
23/03/2023
Modification of aluminum current collectors with laser-scribed graphene for enhancing the performance of lithium ion batteries
Description/Abstract:
In this study, the graphene-modified Al foils have been prepared to assemble lithium ion batteries (LIBs). The graphene-modified Al foils...
Keyword:
Graphene, Laser irradiation, Current collector, Lithium ion battery
Resource Type:
Article
Author:
Er-Chieh Cho
,
Cai-Wan Chang-Jian
,
Yen-Ju Wu
,
Szu-Han Chao
,
Jen-Hsien Huang
,
Kuen-Chan Lee
,
Huei Chu Weng
, and
Shih-Chieh Hsu
Date Uploaded:
17/03/2023
Syntheses of Water-soluble Silver(II)-Phthalocyanines toward Optical Sensing for Thiol Detection
Description/Abstract:
Water-soluble silver(II)-phthalocyanine complexes (AgPcs), tetrakis{4-(N-alkylpyridinium)thio}phthalocyaninato silver(II) tetrafluorobora...
Keyword:
phthalocyanine
Resource Type:
Article
Author:
Hiroaki Isago
,
Harumi Fujita
,
Suzuko Nakai
, and
Tamotsu Sugimori
Date Uploaded:
17/03/2023
Date Modified:
23/03/2023
Polyimide-Derived Carbon-Coated Li4Ti5O12 as High-Rate Anode Materials for Lithium Ion Batteries
Description/Abstract:
Carbon-coated Li4Ti5O12 (LTO) has been prepared using polyimide (PI) as a carbon source via the thermal imidization of polyamic acid (PAA...
Keyword:
Li4Ti5O12; polyimide; carbon coating; lithium ion battery; rate performance
Resource Type:
Article
Author:
Shih-Chieh Hsu
,
Tzu-Ten Huang
,
Yen-Ju Wu
,
Cheng-Zhang Lu
,
Huei Chu Weng
,
Jen-Hsien Huang
,
Cai-Wan Chang-Jian
, and
Ting-Yu Liu
Date Uploaded:
17/03/2023
Date Modified:
20/03/2023
Narrow-Band Emitting Phosphor Na2Cs2Sr(B9O15)2:Eu2+ Discovered from Local Structure Similarity with Sulfate Phosphor
Description/Abstract:
Narrow-band emitting phosphors are required to improve performance of phosphor-converted light-emitting diodes. Here, we found a new narr...
Keyword:
Eu2+
,
local structure similarity
,
narrow-band emission
, and
phosphor
Resource Type:
Article
Author:
Shota Takemura
,
Yukinori Koyama
,
Takayuki Nakanishi
,
Shiro Funahashi
,
Naoto Hirosaki
,
Hidekazu Ikeno
, and
Takashi Takeda
Date Uploaded:
09/03/2023
Nano-Indentation Measurement for Heat Resistant Alloys at Elevated Temperatures in Inert Atmosphere
Description/Abstract:
A new approach of nano-indentation measurements at elevated temperatures has been developed to evaluate a temperature-dependent mechanica...
Keyword:
elastic modulus
,
hardness
,
high-temperature nano-indentation
, and
nickel-based superalloy
Resource Type:
Article
Author:
RUZIC, Jovana
,
WATANABE, Ikumu
,
GOTO, Kenta
, and
OHMURA, Takahito
Date Uploaded:
03/03/2023
Chemically Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for PEM Fuel Cells
Description/Abstract:
Sulfonated polyphenylsulfone (SPPSU) with a high ion exchange capacity (IEC) was synthesized using commercially available PPSU, and a lar...
Keyword:
CSPPSU
,
High IEC
,
activation
,
PEMFCs
, and
PPSU
Resource Type:
Article
Author:
Je-Deok Kim
,
Akihiro Ohira
, and
Hidenobu Nakao
Date Uploaded:
03/03/2023
Dissimilarity measure of local structure in inorganic crystals using Wasserstein distance to search for novel phosphors
Description/Abstract:
To efficiently search for novel phosphors, we propose a dissimilarity measure of Local Structure using the Wasserstein distance. This sim...
Keyword:
Wasserstein distance
,
local structure
,
phosphors
, and
similarity measure
Resource Type:
Article
Author:
Shota Takemura
,
Takashi Takeda
,
Takayuki Nakanishi
,
Yukinori Koyama
,
Hidekazu Ikeno
, and
Naoto Hirosaki
Date Uploaded:
03/03/2023
Water Electrolysis Using a Porous IrO2/Ti/IrO2 Catalyst Electrode and Nafion Membranes at Elevated Temperatures
Description/Abstract:
Porous IrO2/Ti/IrO2 catalyst electrodes were obtained by coating IrO2 on three types of porous Ti powder sheets (sample 1, sample 2, and ...
Keyword:
elevated temperature
,
nafion membrane
,
polymer electrolyte
,
porous IrO2/Ti/IrO2 catalyst electrode
, and
water electrolysis
Resource Type:
Article
Author:
Je-Deok Kim
and
Akihiro Ohira
Date Uploaded:
03/03/2023
Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for Elevated-Temperature PEM Water Electrolysis
Description/Abstract:
In order to reduce the burden on the environment, there is a need to develop non-fluorinated electrolyte membranes as alternatives to flu...
Keyword:
CSPPSU membrane
,
PEM water electrolysis
,
elevated temperature
,
engineering plastic PPSU
, and
hydrocarbon electrolytes
Resource Type:
Article
Author:
Jedeok Kim
and
Akihiro Ohira
Date Uploaded:
03/03/2023
Multiscale analysis of mechanical behavior of multilayer steel structures fabricated by wire and arc additive manufacturing
Description/Abstract:
The mechanical behavior of multilayer steel structures fabricated via wire and arc additive manufacturing (WAAM) has been investigated fr...
Keyword:
Wire and arc additive manufacturing
,
finite element method
,
instrumented indentation
,
multiscale characterization
, and
stainless steel
Resource Type:
Article
Author:
Ikumu Watanabe
,
Zhengzhong Sun
,
Houichi Kitano
, and
Kenta Goto
Date Uploaded:
02/03/2023
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
Stress dependence of indentation modulus for carbon fiber in polymer composite
Description/Abstract:
Elastic modulus measured through atomic force microscopy (AFM)-based indentation on single carbon fiber (CF) is found with dependence on ...
Keyword:
Atomic force microscopy
and
indentation
Resource Type:
Article
Author:
Hongxin Wang
,
Han Zhang
,
Daiming Tang
,
Kenta Goto
,
Ikumu Watanabe
,
Hideaki Kitazawa
,
Masamichi Kawai
,
Hiroaki Mamiya
, and
Daisuke Fujita
Date Uploaded:
02/03/2023
Estimation of Texture-Dependent Stress-Strain Curve and <i>r</i>-Value of Aluminum Alloy Sheet Using Deep Learning
Description/Abstract:
Deformation of an aluminum alloy sheet which is affected by its underlying crystallographic texture has been widely studied using crystal...
Keyword:
crystallite orientation
,
deep learning
,
flow stress
,
numerical analysis
,
tension test
, and
texture
Resource Type:
Article
Author:
Kohta Koenuma
,
Akinori Yamanaka
,
Ikumu Watanabe
, and
Toshihiko Kuwabara
Date Uploaded:
02/03/2023
計測インフォマティクスと機械学習
Description/Abstract:
計測に機械学習など、統計的な手法を導入するときの共通課題を、関連技術の歴史を織り交ぜつつ解説します。材料が持つ物理・化学的コンテキストの多様性と、本来計測が持つべき汎化性を評価軸にして、代表的な手法の位置づけと応用における制約を考え、計測インフォマティクスを材料開発などに展...
Keyword:
クラスタリング
,
コンテキスト
,
分類
,
機械学習
,
照合
,
特徴量
, and
計測インフォマティクス
Resource Type:
Article
Author:
石井真史
Date Uploaded:
02/03/2023
Stress mapping reveals extrinsic toughening of brittle carbon fiber in polymer matrix
Description/Abstract:
We conducted an in situ study on CFRP fracturing process using atomic-force-microscopybased stress-sensitive indentation. Tensile stress ...
Keyword:
AFM
,
CFRP
,
Stress
, and
indentation
Resource Type:
Article
Author:
Hongxin Wang
,
Han Zhang
,
Kenta Goto
,
Ikumu Watanabe
,
Hideaki Kitazawa
,
Masamichi Kawai
,
Hiroaki Mamiya
, and
Daisuke Fujita
Date Uploaded:
02/03/2023
Inverse estimation approach for elastoplastic properties using the load-displacement curve and pile-up topography of a single Berkovich indentation
Description/Abstract:
An approach for the inverse estimation of the elastoplastic properties from a single indentation with a Berkovich indenter was developed....
Keyword:
Elastic-plastic material
,
Finite elements
,
Indentation
,
Inverse analysis
, and
Mechanical testing
Resource Type:
Article
Author:
Kenta Goto
,
Ikumu Watanabe
, and
Takahito Ohmura
Date Uploaded:
02/03/2023
Anisotropic Multiscale Modelling in SAE-AISI 1524 Gas Tungsten Arc Welded Joints
Description/Abstract:
A transient non-linear multiscale finite element heat flow-mechanical model to determine micro residual stresses (type III) and micro pla...
Keyword:
GTA welding
,
anisotropy
,
digital microstructure code
,
micro residual stresses
,
sub-modeling
, and
thermal gradients
Resource Type:
Article
Author:
Edison A. Bonifaz
and
Ikumu Watanabe
Date Uploaded:
28/02/2023
High Current Output Hydrogenated Diamond Triple-Gate MOSFETs
Description/Abstract:
In this paper, planar-type and novel triple-gate fin-type hydrogenated diamond (H-diamond) metal-oxide-semiconductor field-effect transis...
Keyword:
Diamond
,
MOSFET
, and
triple-gate
Resource Type:
Article
Author:
LIU, Jiangwei
,
OOSATO, Hirotaka
,
DA, Bo
, and
KOIDE, Yasuo
Date Uploaded:
28/02/2023
Analysis of Nano-hardness Distribution Near the Ferrite-martensite Interface in a Dual Phase Steel with Factorization of Its Scattering Behavior
Description/Abstract:
We investigated the local preliminary hardening of ferrite near the ferrite–martensite interfaces in a dual-phase (DP) steel. Geometrical...
Keyword:
dual phase steel
,
grains and interfaces
,
nanoindentation
,
scattering
, and
serial sectioning
Resource Type:
Article
Author:
Reon Ando
,
Takashi Matsuno
,
Tomoko Matsuda
,
Norio Yamashita
,
Hideo Yokota
,
Kenta Goto
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Understanding Complex Electron Radiolysis in Saline Solution by Big Data Analysis
Description/Abstract:
In this article, we developed a new method to analyze the complex chemical reactions induced by electron beam radiolysis based on big dat...
Keyword:
Complex Electron Radiolysis
Resource Type:
Article
Author:
Zhihao Zhang
,
Hongxuan Guo
,
Bo Liu
,
Dali Xian
,
Xuanxuan Liu
,
Bo Da
, and
Litao Sun
Date Uploaded:
28/02/2023
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
Three-Dimensionally Gradient and Periodic Harmonic Structure for High Performance Advanced Structural Materials
Description/Abstract:
Creation of a unique “Harmonic Structure (HS)” with controlled bimodal grain size distribution in metals and alloys is a new material de...
Keyword:
bimodal Titanium
,
harmonic structure
,
lightweight materials
,
powder metallurgy
,
severe plastic deformation
, and
strengthening
Resource Type:
Article
Author:
Sanjay Kumar Vajpai
,
Han Yu
,
Mie Ota
,
Ikumu Watanabe
,
Guy Dirras
, and
Kei Ameyama
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
Determination of electron backscattering coefficient of beryllium by a high-precision Monte Carlo simulation
Description/Abstract:
We present an up-to-date Monte Carlo simulation of electron backscattering coefficient of beryllium, which is an important material in fu...
Keyword:
electron backscattering coefficient
Resource Type:
Article
Author:
Abrar Hussain
,
Lihao Yang
,
Shifeng Mao
,
Bo Da
,
Károly Tőkési
, and
Z.J. Ding
Date Uploaded:
28/02/2023
Reliable Ohmic Contact Properties for Ni/Hydrogen-Terminated Diamond at Annealing Temperature up to 900 °C
Description/Abstract:
Ohmic contact with high thermal stability is essential to promote hydrogen-terminated diamond (H-diamond) based electronic devices for hi...
Keyword:
Ni
,
high-temperature
,
hydrogen-terminated diamond (H-diamond)
,
ohmic contact
, and
specific contact resistance
Resource Type:
Article
Author:
Xiaolu Yuan
,
Jiangwei Liu
,
Jinlong Liu
,
Junjun Wei
,
Bo Da
,
Chengming Li
, and
Yasuo Koide
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
A mathematically defined 3D auxetic metamaterial with tunable mechanical and conduction properties
Description/Abstract:
An auxetic metamaterial is a type of mechanical metamaterial that has negative Poisson's ratio. Most auxetic metamaterials are truss-base...
Keyword:
3D printing
,
Electroless plating
,
Metamaterial
,
Minimal surface
, and
Negative Poisson’s ratio
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Xiaofeng Guo
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Thermal stability investigation for Ohmic contact properties of Pt, Au, and Pd electrodes on the same hydrogen-terminated diamond
Description/Abstract:
Here, thermal stabilities for Ohmic contact properties of Pt, Au, and Pd on the same hydrogen-terminated diamond (H-diamond) epitaxial la...
Keyword:
thermal stabilities for Ohmic contact properties
Resource Type:
Article
Author:
Xiaolu Yuan
,
Jiangwei Liu
,
Siwu Shao
,
Jinlong Liu
,
Junjun Wei
,
Bo Da
,
Chengming Li
, and
Yasuo Koide
Date Uploaded:
28/02/2023
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
Multiscale characterization of a polycrystalline aggregate subjected to severe plastic deformation with the finite element method
Description/Abstract:
The heterogeneous deformation of a polycrystalline aggregate under severe plastic deformation was reproduced with finite element analysis...
Keyword:
crystal plasticity
,
finite element analysis
,
severe plastic deformation
, and
texture
Resource Type:
Article
Author:
Ikumu Watanabe
and
Daigo Setoyama
Date Uploaded:
28/02/2023
Numerical Estimation of Frictional Effects in Equal Channel Angular Extrusion
Description/Abstract:
The purpose of this study is to numerically estimate the friction coefficient for equal channel angular extrusion (ECAE) with and without...
Keyword:
equal channel angular extrusion
,
finite element analysis
, and
friction model
Resource Type:
Article
Author:
Vinicius Aguiar de Souza
,
Ikumu Watanabe
, and
Akira Yanagida
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
Relationship Extraction with Weakly Supervised Learning Based on Process-Structure-Property-Performance Reciprocity
Description/Abstract:
We developed a computer aided material design system that extracts relationships from natural language texts in weakly labeled data. We b...
Keyword:
Natural language processing
,
knowledge extraction
,
materials informatics
,
relation extraction
, and
weakly supervised learning
Resource Type:
Article
Author:
Takeshi Onishi
,
Takuya Kadohira
, and
Ikumu Watanabe
Date Uploaded:
17/02/2023
Forced Gradient Copolymer for Rational Design of Mussel-Inspired Adhesives and Dispersants
Description/Abstract:
イガイの接着機構を模倣した接着性ポリマーにおいて、接着部位の位置がAl-Al間の接着強度やチタン酸バリウムの分散性に影響を及ぼすことを明らかにした。
Keyword:
dispersant
,
BaTiO3
,
L-3,4- dihydroxyphenylalanine
,
adhesive
,
dopamine
,
forced gradient polymer
,
gallic acid
, and
mussel-inspired polymer
Resource Type:
Article
Author:
Takehiro Fujita
,
Masami Shuta
,
Mika Mano
,
Shinnosuke Matsumoto
,
Atsushi Nagasawa
,
Akihiro Yamada
, and
Masanobu Naito
Date Uploaded:
15/02/2023
Understanding the evolution of a de novo molecule generator via characteristic functional group monitoring
Description/Abstract:
AIを用いた機能性有機化合物の開発。
Keyword:
De novo molecule generation
,
characteristic functional group monitoring
,
chromophore
, and
deep learning
Resource Type:
Article
Author:
Takehiro Fujita
,
Kei Terayama
,
Masato Sumita
,
Ryo Tamura
,
Yasuyuki Nakamura
,
Masanobu Naito
, and
Koji Tsuda
Date Uploaded:
15/02/2023
Data-Driven Design of Transparent Thermal Insulating Nanoscale Layered Oxides
Description/Abstract:
Predicting the interfacial thermal resistance (ITR) for various material systems is a time-consuming process. In this study, we applied o...
Keyword:
thermal conductivity; thermal insulator; thin film; superlattice; transparency
Resource Type:
Article
Author:
Yen-Ju Wu
and
Yibin Xu
Date Uploaded:
13/02/2023
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MANA E-BULLETIN
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Nanosheets
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Auger Depth Profiling Analysis
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HfO2
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InP/GaInAsP multilayer specimens
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41 elemental solids (Li, Be, graphite, diamond, glassy C, Na, Mg, Al, Si, K, Sc, Ti, V, Cr, Fe, Co, Ni, Cu, Ge, Y, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Cs, Gd, Tb, Dy, Hf, Ta, W, Re, Os, Ir, Pt, Au, and Bi)
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TODOROKI, Shin-ichi
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轟 眞市
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田邉 浩介
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International Center for Materials Nanoarchitectonics (WPI-MANA)
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Journal of Surface Analysis
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SURFACE AND INTERFACE ANALYSIS
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