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Function Decomposition Tree with Causality-First Perspective and Systematic Description of Problems in Materials Informatics
Description/Abstract:
As interdisciplinary science is flourishing because of materials informatics and additional factors; a systematic way is required for exp...
Keyword:
functional decomposition
,
knowledge sharing
,
materials informatics
, and
ontology
Resource Type:
Report
Author:
Hiori Kino
,
Hieu Chi Dam
,
Takashi Miyake
, and
Riichiro Mizoguchi
Date Uploaded:
08/02/2023
Date Modified:
22/03/2024
Prediction of continuous cooling transformation diagram for weld heat affected zone by machine learning
Description/Abstract:
The continuous cooling transformation (CCT) diagram of steels is very important in considering the phase transformation depending on the ...
Keyword:
CCT
Resource Type:
Article
Author:
Satoshi Minamoto
,
Susumu Tsukamoto
,
Tadashi Kasuya
,
Makoto Watanabe
, and
Masahiko Demura
Date Uploaded:
09/02/2023
Date Modified:
20/03/2024
Important Descriptors and Descriptor Groups of Curie Temperatures of Rare-earth Transition-metal Binary Alloys
Description/Abstract:
We analyze Curie temperatures of rare-earth transition metal binary alloys with machine learning method. In order to select important de...
Keyword:
Curie temperature
,
binary rare-earth transition metal
,
descriptor importance
,
exhaustive search
,
hierarchical clustering
, and
subgroup relevance analysis
Resource Type:
Article
Author:
Hieu Chi Dam
,
Viet Cuong Nguyen
,
Tien Lam Pham
,
Anh Tuan Nguyen
,
Kiyoyuki Terakura
,
Takashi Miyake
, and
Hiori Kino
Date Uploaded:
10/02/2023
Date Modified:
20/03/2024
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
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
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
Detection and location of microdefects during selective laser melting by wireless acoustic emission measurement
Description/Abstract:
Microdefects sometimes form in workpieces fabricated by selective laser melting (SLM). It is difficult to understand the mechanism of gen...
Keyword:
Acoustic emission
,
Crack detection
,
Real-time monitoring
,
Selective laser melting
, and
Wireless monitoring
Resource Type:
Article
Author:
ITO, Kaita
,
KUSANO, Masahiro
,
DEMURA, Masahiko
, and
WATANABE, Makoto
Date Uploaded:
25/04/2023
選択的レーザ溶融法による金属材料造形中に発生する微小欠陥のAEモニタリング
Description/Abstract:
AE波形の連続計測と無線転送が行えるバッテリ駆動の独自開発装置「無線CWM」を用い,SLM造形装置のチャンバにケーブルを貫通させるような改造を加えない簡便な手法で,造形中の微小欠陥の発生をリアルタイムにモニタリングできることが示された.その結果,レーザ強度が高い条件ないし部...
Keyword:
3Dプリンタ
,
アコースティック・エミッション法
,
無線計測
, and
選択的レーザ溶融法
Resource Type:
Article
Author:
伊藤 海太
,
草野 正大
,
出村 雅彦
, and
渡邊 誠
Date Uploaded:
25/04/2023
インフラ維持管理のための構造材料技術の開発
Description/Abstract:
NIMSは,第1期SIP「インフラ維持管理・更新・マネジメント技術」に参画し,腐食促進試験法,腐食モニタリング,耐食鉄筋の新材料,高分子系・セメント系補修材料等を開発した.また,コンクリート内部の塩分,pH,酸素濃度,腐食抵抗を同時に長期モニタリングできる「コンクリート内部...
Keyword:
NDE
,
corrosion
, and
infrastructures
Resource Type:
Article
Author:
土谷 浩一
Journal:
AI・データサイエンス論文集
Date Uploaded:
09/05/2023
マテリアルズインテグレーションの挑戦
Description/Abstract:
SIP第1期および第2期にわたって構築してきたマテリアルズインタグレーションのコンセプトと、このもとで実施されてきたMIntシステムの開発について、その全体像を俯瞰するレビューである。計算材料科学とデータ科学を構造材料研究に活用して、欲しい性能から材料・プロセスを設計する逆...
Keyword:
Data-driven research
,
Digital transformation
,
Industry -academia collaboration
,
Integrated Computational Materials Engineering
, and
Structural Materials
Resource Type:
Article
Author:
出村 雅彦
Journal:
TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN
Date Uploaded:
29/06/2023
Date Modified:
29/06/2023
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