Index Catalog // MDR

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

Chemically Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for PEM Fuel Cells

Dissimilarity measure of local structure in inorganic crystals using Wasserstein distance to search for novel phosphors

Water Electrolysis Using a Porous IrO2/Ti/IrO2 Catalyst Electrode and Nafion Membranes at Elevated Temperatures

Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for Elevated-Temperature PEM Water Electrolysis

Multiscale analysis of mechanical behavior of multilayer steel structures fabricated by wire and arc additive manufacturing

Topological alternation from structurally adaptable to mechanically stable crosslinked polymer

Stress dependence of indentation modulus for carbon fiber in polymer composite

Estimation of Texture-Dependent Stress-Strain Curve and <i>r</i>-Value of Aluminum Alloy Sheet Using Deep Learning

計測インフォマティクスと機械学習

Stress mapping reveals extrinsic toughening of brittle carbon fiber in polymer matrix

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