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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
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
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
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
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
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
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
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
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
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
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541
Collection
Research Highlights
80
MANA E-BULLETIN
15
The history of DICE and NIMS Digital Library
10
Keyword
IMFP
17
nanomechanical sensors
13
Nanosheets
10
Auger Depth Profiling Analysis
9
Layer-by-layer assembly
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National Institute for Materials Science
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541
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In Copyright
246
Creative Commons BY Attribution 4.0 International
170
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37
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37
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7
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»
Material/Specimen
HfO2
2
InP/GaInAsP multilayer specimens
2
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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C (graphite), Si, Cr, Fe, Cu, Zn, Ga, Mo, Ag, Ta, W, Pt and Au
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26-n-paraffin
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2005
6
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5
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4
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3
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Creator
TODOROKI, Shin-ichi
12
轟 眞市
9
INOUE, Satoru
8
田邉 浩介
2
MATSUMOTO, T.
1
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»
Author
International Center for Materials Nanoarchitectonics (WPI-MANA)
95
Ikumu Watanabe
25
Tanuma, Shigeo
18
Kosuke Minami
17
Yuichi Oshima
16
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»
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MOTEKI, Fuma
1
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http://rightsstatements.org/vocab/InC/1.0/
14
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7
https://creativecommons.org/licenses/by-nc-nd/4.0/
4
https://creativecommons.org/licenses/by-nc/4.0/
2
http://opensource.org/licenses/MIT
1
Funder
JSPS
32
JST
20
Japan Society for the Promotion of Science
15
MEXT
6
日本学術振興会
5
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Journal
Physical Review B
11
Journal of Surface Analysis
10
Science and Technology of Advanced Materials
10
Scientific Reports
10
Surface and Interface Analysis
10
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»