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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
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
Date Modified:
22/03/2024
材料データプラットフォームのための協働型材料語彙システム展開
Description/Abstract:
材料学の分野ごとの用語の差異の吸収や、材料データに付与するメタデータから参照する概念の特定に用いることを想定した材料語彙システムを構築した。集合知的プロセスを通じて多面的な観点を包含することを目指し、Wikidataプロジェクトで使われているWikibaseソフトウェアを採...
Keyword:
Collaborative intelligence
,
Materials science
,
Metadata
,
Vocabulary
, and
Wikibase
Resource Type:
Poster
Author:
松田 朝彦
,
内藤 裕幸
, and
門平 卓也
Date Uploaded:
15/02/2023
Date Modified:
05/05/2024
Continuous real-time O 1s core XPS spectra of H2O adsorption on +c Ga-face and m-plane surfaces of GaN
Description/Abstract:
The surface oxidation behavior of different GaN surfaces (the polar Ga-face (+c) and the nonpolar m-plane) under H<sub>2</sub>O vapor amb...
Keyword:
GaN
,
Gallium nitride
,
MOS structure
,
Oxidation
,
SPring-8
,
Surface oxidation
, and
XPS
Resource Type:
Dataset
Data origin:
other
Author:
SUMIYA, Masatomo
Date Uploaded:
14/02/2023
Date Modified:
28/02/2023
CrySPY: a crystal structure prediction tool accelerated by machine learning
Description/Abstract:
We have developed an open-source software called CrySPY, which is a crystal structure prediction tool written in Python 3, ...
Keyword:
evolutionary algorithm
,
Bayesian optimization
,
LAQA
,
crystal structure prediction
, and
first-principles calculations
Resource Type:
Article
Author:
Tomoki Yamashita
,
Shinichi Kanehira
,
Nobuya Sato
,
Hiori Kino
,
Kei Terayama
,
Hikaru Sawahata
,
Takumi Sato
,
Futoshi Utsuno
,
Koji Tsuda
,
Takashi Miyake
, and
Tamio Oguchi
Date Uploaded:
10/02/2023
Date Modified:
02/04/2024
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