Okayasu, Mitsuhiro - OU Author List - OKAYAMA UNIVERSITY SCIENTIFIC ACHIEVEMENT REPOSITORY

Effect of Repeated Gravity Casting on the Microstructure and Mechanical Properties of 6061 Aluminum Alloy

Author	Okayasu, Mitsuhiro\| Makino, Shouei\| Nakagawa, Shota\| Takeuchi, Shuhei\| Shinzato, Yoshifumi\| Minoda, Tadashi\| Ohtsuka, Naotaka\|
Keywords	aluminum alloy repeated casting 6061 microstructure mechanical property
Note	This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s40962-025-01792-4\| This fulltext file will be available in Nov. 2026.\|
Published Date	2025-11-05
Publication Title	International Journal of Metalcasting
Publisher	Springer Science and Business Media LLC
ISSN	1939-5981
NCID	AA12354742
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 American Foundry Society
File Version	author
DOI	10.1007/s40962-025-01792-4
Web of Science KeyUT	001607957600001
Related Url	isVersionOf https://doi.org/10.1007/s40962-025-01792-4

Enhanced electric power generation in PZT ceramics via stress control

Author	Okayasu, Mitsuhiro\| Shimazu, Itsuki\|
Keywords	PZT ceramic Electric voltage Piezoelectric effect Stress distribution
Note	This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s41779-025-01298-6\| This fulltext file will be available in Oct. 2026.\|
Published Date	2025-10-28
Publication Title	Journal of the Australian Ceramic Society
Publisher	Springer Science and Business Media LLC
ISSN	2510-1560
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© Australian Ceramic Society 2025
File Version	author
DOI	10.1007/s41779-025-01298-6
Web of Science KeyUT	001603988300001
Related Url	isVersionOf https://doi.org/10.1007/s41779-025-01298-6

Upgrading Recycle Technology for Iron Removal in ADC12 Alloy Using Gravity and Magnetic Force

Author	Okayasu, M.\| Takeuchi, S.\| Syahid, M.\| Ikeda, T.\|
Keywords	aluminum alloy upgrade recycle iron microstructure mechanical property
Note	This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s40962-025-01749-7\| This fulltext file will be available in Sep. 2026.\|
Published Date	2025-09-06
Publication Title	International Journal of Metalcasting
Publisher	Springer Science and Business Media LLC
ISSN	1939-5981
NCID	AA12354742
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 American Foundry Society
File Version	author
DOI	10.1007/s40962-025-01749-7
Web of Science KeyUT	001564856600001
Related Url	isVersionOf https://doi.org/10.1007/s40962-025-01749-7

Electric Power Generation of PZT Piezoelectric Ceramics Using Both Direct and Inverse Piezoelectric Effects

Author	Okayasu, Mitsuhiro\| Shimazu, Itsuki\|
Keywords	PZT ceramic electric voltage inverse piezoelectric effect resonant frequency
Note	This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s11664-025-11960-1\| This fulltext file will be available in Apr. 2026.\|
Published Date	2025-04-29
Publication Title	Journal of Electronic Materials
Volume	volume54
Issue	issue7
Publisher	Springer Science and Business Media LLC
Start Page	5143
End Page	5150
ISSN	0361-5235
NCID	AA00697093
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Minerals, Metals & Materials Society 2025
File Version	publisher
DOI	10.1007/s11664-025-11960-1
Web of Science KeyUT	001478399600001
Related Url	isVersionOf https://doi.org/10.1007/s11664-025-11960-1

MATERIAL PROPERTIES OF DIE-CASTING DIE AROUND HEAT-CHECKING CREATED BY A HIGH-PRESSURE ALUMINUM ALLOY DIE-CASTING OPERATION

FullText URL	fulltext.pdf
Author	Okayasu, Mitsuhiro\| Shimazu, Junya\|
Keywords	die-casting die heat-checking hydrogen embrittlement mechanical property
Note	The version of record of this article, first published in International Journal of Metalcasting, is available online at Publisher’s website: http://dx.doi.org/10.1007/s40962-025-01573-z\|
Published Date	2025-04-06
Publication Title	International Journal of Metalcasting
Publisher	Springer Science and Business Media LLC
ISSN	1939-5981
NCID	AA12354742
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 The Author(s)
File Version	publisher
DOI	10.1007/s40962-025-01573-z
Web of Science KeyUT	001459890900001
Related Url	isVersionOf https://doi.org/10.1007/s40962-025-01573-z

An Implementation of Creep Test Assisting System with Dial Gauge Needle Reading and Smart Lighting Function for Laboratory Automation

FullText URL	fulltext.pdf
Author	Kong, Dezheng\| Funabiki, Nobuo\| Fang, Shihao\| Noprianto\| Okayasu, Mitsuhiro\| Puspitaningayu, Pradini\|
Keywords	creep test Raspberry Pi dial gauge needle reading smart lighting
Published Date	2025-04-02
Publication Title	Technologies
Volume	volume13
Issue	issue4
Publisher	MDPI
Start Page	139
ISSN	2227-7080
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 by the authors.
File Version	publisher
DOI	10.3390/technologies13040139
Web of Science KeyUT	001474287400001
Related Url	isVersionOf https://doi.org/10.3390/technologies13040139

Hydrogen Embrittlement Characteristics of Austenitic Stainless Steels After Punching Process

Author	Okayasu, Mitsuhiro\| Li, Xichang\| Kawakami, Tomohisa\|
Keywords	Hydrogen embrittlement Stainless steel Punching process Fatigue Tensile strength
Note	This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s13296-025-00991-3\| This fulltext file will be available in Aug. 2026.\|
Published Date	2025-08-19
Publication Title	International Journal of Steel Structures
Publisher	Springer Science and Business Media LLC
ISSN	1598-2351
NCID	AA11988451
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© Korean Society of Steel Construction 2025
File Version	publisher
DOI	10.1007/s13296-025-00991-3
Related Url	isVersionOf https://doi.org/10.1007/s13296-025-00991-3

Study of the Mechanical Properties of Al–Mg ADC6 Aluminum Alloy Produced by Unidirectional Casting Under Various Cooling Rates

Author	Takeuchi, S.\| Okayasu, M.\|
Keywords	Al-Mg alloy heated mold continuous casting mechanical property microstructural characteristics crystal orientation fractography
Note	This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s40962-025-01723-3\| This fulltext file will be available in Aug. 2026.\|
Published Date	2025-08-11
Publication Title	International Journal of Metalcasting
Publisher	Springer Science and Business Media LLC
ISSN	1939-5981
NCID	AA12354742
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 American Foundry Society
File Version	author
DOI	10.1007/s40962-025-01723-3
Web of Science KeyUT	001548060000001
Related Url	isVersionOf https://doi.org/10.1007/s40962-025-01723-3

An Implementation of Creep Test Assisting System with Dial Gauge Needle Reading and Smart Lighting Function for Laboratory Automation

FullText URL	fulltext.pdf
Author	Kong, Dezheng\| Funabiki, Nobuo\| Fang, Shihao\| Noprianto, Mitsuhiro\| Okayasu, Mitsuhiro\| Puspitaningayu, Pradini\|
Keywords	creep test Raspberry Pi dial gauge needle reading smart lighting
Published Date	2025-04-02
Publication Title	Technologies
Volume	volume13
Issue	issue4
Publisher	MDPI
Start Page	139
ISSN	2227-7080
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 by the authors.
File Version	publisher
DOI	10.3390/technologies13040139
Web of Science KeyUT	001474287400001
Related Url	isVersionOf https://doi.org/10.3390/technologies13040139

Microstructural Control and Alloy Design for Improving the Resistance to Delayed Fracture of Ultrahigh-Strength Automotive Steel Sheets

FullText URL	fulltext.pdf
Author	Senuma, Takehide\| Okayasu, Mitsuhiro\| Mohrbacher, Hardy\|
Keywords	delayed fracture hydrogen embrittlement high-strength steel automotive steel sheets microstructural control alloy design
Published Date	2023-07-29
Publication Title	Metals
Volume	volume13
Issue	issue8
Publisher	MDPI
Start Page	1368
ISSN	2075-4701
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023 by the authors.
File Version	publisher
DOI	10.3390/met13081368
Web of Science KeyUT	001055467200001
Related Url	isVersionOf https://doi.org/10.3390/met13081368

An Edge Device Framework in SEMAR IoT Application Server Platform

FullText URL	fulltext.pdf
Author	Panduman, Yohanes Yohanie Fridelin\| Funabiki, Nobuo\| Ito, Sho\| Husna, Radhiatul\| Kuribayashi, Minoru\| Okayasu, Mitsuhiro\| Shimazu, Junya\| Sukaridhoto, Sritrusta\|
Keywords	Internet of Things edge device framework application server platform SEMAR
Published Date	2023-05-29
Publication Title	Information
Volume	volume14
Issue	issue6
Publisher	MDPI
Start Page	312
ISSN	2078-2489
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023 by the authors.
File Version	publisher
DOI	10.3390/info14060312
Web of Science KeyUT	001014882200001
Related Url	isVersionOf https://doi.org/10.3390/info14060312

Effects of microstructural characteristics on the hydrogen embrittlement characteristics of austenitic, ferritic, and γ–α duplex stainless steels

FullText URL	fulltext.pdf
Author	Okayasu, Mitsuhiro\| Fujiwara, Takafumi\|
Keywords	Hydrogen embrittlement Stainless steel Austenite Ferrite Duplex phase
Note	© 2021 Elsevier B.V. This manuscript version is made available under the CC-BY-NC-ND 4.0 License. http://creativecommons.org/licenses/by-nc-nd/4.0/. This is the accepted manuscript version. The formal published version is available at [https://doi.org/10.1016/j.msea.2021.140851] .\|
Published Date	2021-03-11
Publication Title	Materials Science and Engineering: A
Volume	volume807
Publisher	Elsevier
Start Page	140851
ISSN	0921-5093
NCID	AA10720420
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2021 Elsevier B.V.
File Version	author
DOI	10.1016/j.msea.2021.140851
Web of Science KeyUT	000623134600001
Related Url	isVersionOf https://doi.org/10.1016/j.msea.2021.140851

Friction-Induced Martensitic Transformation and Wear Properties of Stainless Steel under Dry and Wet Conditions

FullText URL	fulltext.pdf
Author	Lee, Yoon-Seok\| Kondo, Yuta\| Okayasu, Mitsuhiro\|
Keywords	stainless steels friction-induced transformation lubricant wear martensite
Published Date	2020-06-03
Publication Title	Metals
Volume	volume10
Issue	issue6
Publisher	MDPI
Start Page	743
ISSN	2075-4701
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2020 by the authors.
File Version	publisher
DOI	10.3390/met10060743
Web of Science KeyUT	000551102100001
Related Url	isVersionOf https://doi.org/10.3390/met10060743

Failure Characteristics of PZT Ceramic During Cyclic Loading

FullText URL	JEM_fulltext.pdf
Author	Okayasu, Mitsuhiro\| Ogawa, Tsukasa\|
Keywords	Piezoelectric ceramic lead zirconate titanate ceramic electrical power generation domain switching cyclic loading
Note	This is a post-peer-review, pre-copyedit version of an article published in Journal of Electronic Materials. The final authenticated version is available online at: http://dx.doi.org/10.1007/s11664-020-08303-7. This fulltext is available in Jul. 2021.\|
Published Date	2020-07-08
Publication Title	Journal of Electronic Materials
Publisher	Springer
ISSN	0361-5235
NCID	AA00697093
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
File Version	author
DOI	10.1007/s11664-020-08303-7
Web of Science KeyUT	000546531900001
Related Url	isVersionOf https://doi.org/10.1007/s11664-020-08303-7

The effect of precipitations (NbC and carbide) in Fe–C–Mn-xNb steels on hydrogen embrittlement characteristics

Author	Okayasu, Mitsuhiro\| Sato, Masaya\| Ishida, Daiki\| Senuma, Takehide\|
Keywords	Steel Hydrogen embrittlement; Trapping site Niobium carbide; ε-carbide
Published Date	2020-06-18
Publication Title	Materials Science and Engineering: A
Volume	volume791
Publisher	Elsevier
Start Page	139598
ISSN	0921-5093
NCID	AA10720420
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2020 Elsevier B.V.
File Version	author
DOI	10.1016/j.msea.2020.139598
Related Url	isVersionOf https://doi.org/10.1016/j.msea.2020.139598

Microstructure-dependent hydrogen diffusion and trapping in high-tensile steel

Author	Okayasu, Mitsuhiro\| Motojima, Jun\|
Keywords	High-tensile steel Hydrogen embrittlement Hydrogen trapping Hydrogen diffusion Carbide Lattice structure
Published Date	2020-05-06
Publication Title	Materials Science and Engineering: A
Volume	volume790
Publisher	Elsevier
Start Page	139418
ISSN	09215093
NCID	AA10720420
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2020 Elsevier B.V. All rights reserved.
DOI	10.1016/j.msea.2020.139418
Related Url	isVersionOf https://doi.org/10.1016/j.msea.2020.139418

Effects of loading contact on electric-power generation of lead zirconate titanate piezoelectric ceramic plate

FullText URL	fulltext.pdf
Author	Okayasu, Mitsuhiro\| Ogawa, Tsukasa\|
Keywords	piezoelectric ceramic lead zirconate titanate ceramic electric power generation
Published Date	2019-12-04
Publication Title	Journal of Advanced Ceramics
Volume	volume8
Issue	issue4
Publisher	SpringerOpen
Start Page	509
End Page	518
ISSN	2226-4108
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2019.
File Version	publisher
DOI	10.1007/s40145-019-0331-7
Web of Science KeyUT	000517128600005
Related Url	isVersionOf https://doi.org/10.1007/s40145-019-0331-7

Mechanical and fatigue properties of long carbon fiber reinforced plastics at low temperature

FullText URL	fulltext.pdf
Author	Okayasu, Mitsuhiro\| Tsuchiya, Yuki\|
Keywords	CFRP Carbon fiber Tensile strength Fatigue strength Low temperature
Published Date	2019-10-14
Publication Title	Journal of Science: Advanced Materials and Devices
Volume	volume4
Issue	issue4
Publisher	Vietnam National University
Start Page	577
End Page	583
ISSN	24682179
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2019 Publishing services by Elsevier B.V. on behalf of Vietnam National University, Hanoi.
File Version	publisher
DOI	10.1016/j.jsamd.2019.10.002
Web of Science KeyUT	000504059200011
Related Url	isVersionOf https://doi.org/10.1016/j.jsamd.2019.10.002