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J-GLOBAL ID：200901047302028022 Update date: Mar. 21, 2025

Mayama Tsuyoshi

マヤマツヨシ | Mayama Tsuyoshi

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Affiliation and department：
Job title： Professor

Research field (1)： Machine materials and mechanics

Research keywords (4)： Computational Mechanics , 計算力学 , 材料力学 , Mechanics of Materials

Research theme for competitive and other funds (33)：

2021 - 2027 カスタム力学機能制御学の構築 ~階層化異方性骨組織に学ぶ~
2022 - 2025 Influence of interfaces on local deformation and mechanical properties in dual phase light metals
2021 - 2024 Studies on corrosion and stress corrosion cracking of Mg alloys designed by heterogeneous microstructure control
2021 - 2023 Development of novel light metal superalloys under the concept of mechanical conflict microstructural control
2021 - 2023 Kink band formation depending on plastic anisotropy and phase configuration in layered structure

2021 - 2023 マルテンサイト変態を考慮した結晶塑性有限要素解析手法の開発

2020 - 2023 破壊に強い延性二相チタン合金の組織設計原理の確立

2019 - 2022 Multi-length scale mechanical characterisations towards comprehensive understanding of the microstructure - hydrogen embrittlement relationship

2019 - 2022 Investigation of the strain redistribution mechanism in titanium alloys using image-based crystal plasticity analysis

2018 - 2021 複相構造用合金における単結晶塑性パラメータの同定手法構築

2017 - 2020 Development of high strength and high corrosion resistant Mg alloys by controlling geometrical and electrochemical heterogeneity

2016 - 2020 Development of Development of LPSO-typed magnesium RS/PM alloy for bioresorbable stents

2017 - 2020 二相組織鋼の階層構造を考慮した力学解析手法の構築

2015 - 2019 Elucidation of Strengthening Mechanism in Martensite of Steels by Micromechanical Testing and Its Application to Toughening Design

2018 - 2019 複相高強度マグネシウム合金のための結晶塑性解析手法の構築

2015 - 2018 Elastic properties of Mg alloys and Mg-based intermetallic compounds whose single crystals are not easily grown

2017 - 2018 ポーラスマグネシウムにおける高エネルギー吸収能の発現機構解明

2014 - 2017 複相マグネシウム合金のヘテロ構造形成過程と力学特性発現機構の解明

2013 - 2016 High strength and high corrosion resistant Mg alloys designed using a heterogeneity integration method

2011 - 2016 Study on the deformation process and macroscopic mechanical response of LPSO structures by multiscale computational mechanics

2015 - 2016 マグネシウム合金の異方性弾塑性変形解析手法の構築

2014 - 2016 LPSO構造におけるキンク帯の不可逆性と加工硬化挙動への影響の解明

2011 - 2015 Process and alloy design of LPSO type Mg alloy

2014 - 2015 一方向ポーラスマグネシウムにおける異方性塑性変形挙動の結晶塑性解析手法の確立

2013 - 2014 単軸負荷を受ける一方向ポーラスマグネシウムにおける活動変形機構と変形挙動に関する結晶塑性解析

2012 - 2014 マグネシウム合金における双晶の形成・抑制機構と力学特性に及ぼす影響の解明

2011 - 2013 マグネシウム合金押出過程における異方性発展予測手法の確立

2011 - 2012 計算力学手法を援用した合金探査と加工組織制御による高機能マグネシウム合金の開発

2009 - 2011 長周期積層型マグネシウム合金の変形機構解明

2009 - 2010 双晶変形と動的再結晶を考慮した二相最密六方晶合金の結晶塑性解析手法の構築とマグネシウム合金の異方性制御への応用

2007 - 2008 結晶塑性有限要素法を用いた微細金属箔の成形解析

2005 - 2007 GENERATION AND OPTIMIZATION OF NEXT GENERATION AUTOMOBILE COMPOSITES WITH ARBITRATY CURVATURE

Underlying mechanism of lattice strain development owing to heterogeneous deformation

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Papers (74)：

Takuya Ishimoto, Naotaka Morita, Ryosuke Ozasa, Aira Matsugaki, Ozkan Gokcekaya, Shota Higashino, Masakazu Tane, Tsuyoshi Mayama, Ken Cho, Hiroyuki Y. Yasuda, et al. Superimpositional design of crystallographic textures and macroscopic shapes via metal additive manufacturing-Game-change in component design. Acta Materialia. 2025. 286. 120709-120709
Michiaki Yamasaki, Tsubasa Matsumoto, Tsuyoshi Mayama, Hidetoshi Somekawa, Koji Hagihara, Soya Nishimoto, Yoshihito Kawamura. Dynamic recovery around deformation kink boundary of Mg-Y-Zn alloy with long-period stacking ordered structure. Materials Letters. 2024. 377
Yoshiki Kawano, Tsuyoshi Mayama, Masatoshi Mitsuhara. Strengthening of HCP metals with split basal texture through non-dislocation hardening mechanism. Materials Today Communications. 2024. 41. 110947-110947
Tsuyoshi Mayama, Takuya Ishimoto, Masakazu Tane, Ken Cho, Koki Manabe, Daisuke Miyashita, Shota Higashino, Taichi Kikukawa, Hiroyuki Y. Yasuda, Takayoshi Nakano. Novel strengthening mechanism of laser powder bed fusion-manufactured Inconel 718: Effects of customized hierarchical interfaces. Additive Manufacturing. 2024. 93
Yoshiki Kawano, Tsuyoshi Mayama, Masatoshi Mitsuhara. Formation of plate-like high-strain region in polycrystalline α-titanium and its relation to high-strain bands on surface. Materials Today Communications. 2024. 39

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MISC (167)：

山崎倫昭, 萩原幸司, 松本龍介, 眞山剛, HARJO Stefanus. Developing Structural Lightweight Metallic Materials with High Strength and Large Ductility Based on Multimodal Microstructure Design Concept. まてりあ(Web). 2024. 63. 1
杉田三佳, 徳永透子, 萩原幸司, 眞山剛, 山崎倫昭. Mg-Y-Znマルチモーダル押出合金の引張塑性異方性. 日本金属学会講演大会(Web). 2024. 174th
堀口皓匠, 山崎倫昭, 西本宗矢, 眞山剛, 萩原幸司, 徳永透子, HARJO Stefanus. α-Mg/LPSO二相合金押出材の引張・圧縮変形挙動の調査. 日本金属学会講演大会(Web). 2024. 174th
田中大地, 眞山剛, 高山隼太朗, 山崎倫昭, 河村能人, 諸岡聡, GONG Wo, HARJO Stefanus, 萩原幸司, 徳永透子. Estimation of critical resolved shear stress for basal slip system of α-Mg and LPSO phases in as-cast Mg₉₄Zn₂Y₄ alloy. 日本金属学会九州支部・日本鉄鋼協会九州支部・軽金属学会九州支部合同学術講演大会講演概要集. 2024. 2024
眞山剛, 萩原幸司, 山崎倫昭, ハルヨステファヌス, 徳永透子, ゴンウー, 西本宗矢. マルチモーダル組織型マグネシウム合金における弾塑性遷移の数値解析. 日本金属学会講演大会(Web). 2024. 174th

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Books (2)：

“マグネシウム合金の最先端技術と応用展開(監修:河村能人,千野端正)マグネシウム合金の不均一変形に関する結晶塑性有限要素解析”
シーエムシー出版 2020
LPSO型マグネシウム合金の材料科学・河村能人(代表編著) 第4章第2節計算力学によるLPSO構造の変形と力学特性の解明
2018

Lectures and oral presentations (186)：

粒間/粒内不均一変形に起因するLPSO単相合金における除荷時の非線形挙動
(日本金属学会2020年秋期(第167回)講演大会 2020)
計算,実験によるMg基LPSO相におけるキンク帯形成挙動の考察
(日本金属学会2019年(第165回)秋期講演大会講演概要集 2019)
α-Mg/LPSO二相合金鋳造材における格子ひずみ発達機構
(日本金属学会2019年(第165回)秋期講演大会講演概要集 2019)
RD-splitの集合組織を有するαチタンのイメージベース結晶塑性解析
(日本機械学会2019年度年次大会講演論文集 2019)
αチタンにおけるすべり系活動への結晶粒間相互作用の影響とその範囲
(日本金属学会2019秋期(第165回)講演大会講演概要集(web) 2019)

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Education (4)：

- 2001 Hokkaido University
- 2001 Hokkaido University Graduate School, Division of Engineering
- 1999 Hokkaido University School of Engineering Department of Mechanical Engineering
- 1999 Hokkaido University Faculty of Engineering Mechanical Engineering

Professional career (1)：

博士(工学) (北海道大学)

Work history (11)：

2024/01 - 現在 Kumamoto University Unregistered
2021/04 - 2023/12 Kumamoto University, Magnesium Research Center
2017/04 - 2021/03 Kumamoto University Associate Professor
2012/04 - 2017/03 Kumamoto University Associate Professor
2008/02 - 2012/03 Kumamoto University Research Associate

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Awards (5)：

2022/12 - Professor Award
2015/06 - 日本マグネシウム協会平成26年度(第18回)日本マグネシウム協会賞・奨励賞
2012/01 - 日本塑性加工学会第62回塑性加工連合講演会・優秀論文講演奨励賞
2010/05 - 日本塑性加工学会平成22年度日本塑性加工学会新進賞
2006/04 - 日本機械学会平成17年度日本機械学会学会賞奨励賞(研究)

Association Membership(s) (6)：

THE SOCIETY OF MATERIALS SCIENCE, JAPAN , THE JAPAN INSTITUTE OF LIGHT METALS , THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY , THE JAPAN INSTITUTE OF METALS AND MATERIALS , THE JAPAN SOCIETY OF MECHANICAL ENGINEERS , THE IRON AND STEEL INSTITUTE OF JAPAN

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