Koyama Atsuhiro

コヤマアツヒロ | Koyama Atsuhiro

Affiliation and department：
Job title： Associate Professor

Research field (1)： Machine materials and mechanics

Research keywords (4)：材料強度学 , 疲労 , Strength and Fracture of Materials , Fatigue

Research theme for competitive and other funds (15)：

2022 - 2025 CN実現のための軽量マルチマテリアル輸送車体用高耐損傷性革新的異材接合技術の開発
2019 - 2022 Development of innovative dissimilar material joining technology with high strength and high damage resistance to realize a lightweight multi-material structure
2016 - 2018 Energy Transfer of electron-induced thermal acoustic wave and its imaging
2011 - 2013 Development of Scanning Laser-induced Acoustic Non-destructive Inspection (SLANDI)
2003 - 2007 金属ガラスの変形機構を考慮したマルチスケールモデリングの研究

Show all

Papers (39)：

Tianhong Xie, Tatsuki Otsubo, Atsuhiro Koyama, Tomonori Kato, Riku Yamashita, Vanisara Kaewnamchai, Takanori Yazawa. Breakage Detection Based on the Breakage Mechanism of Small-Diameter Drills. Advances in Science and Technology. 2024. 139. 51-57
Tomohiro Tanaka, Tomonori Kato, Tatsuki Otsubo, Atsuhiro Koyama, Takanori Yazawa. Control of Spindle Position and Stiffness of Aerostatic-Bearing-Type Air Turbine Spindle. International Journal of Automation Technology. 2022. 16. 4. 456-463
Takuichiro Ino, Yohei Sonobe, Atsuhiro Koyama, Akihide Saimoto, Md. Abdul Hasib. 2D Stress Analysis of an Infinite Plate with Orthotropic Inclusions by Embedding Continuous Force Doublet. Journal of Multiscale Modelling. 2022. 13. 2
Atsuhiro KOYAMA, Toru TAKASE, Yohei SONOBE, Masayuki AKITA, Toshifumi KAKIUCHI, Yukio AGATA, Masaki NAKAJIMA, Akihide SAIMOTO, Yoshihiko UEMATSU. Effect of aging treatment on fatigue behavior of Nb-added ferritic stainless steel type 429 welds in 3% NaCl solution. QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 2021. 39. 3. 158-162
Yohei Sonobe, Takuichiro Ino, Atsuhiro Koyama, Akihide Saimoto. Analysis of 3-Dimensional Creased Cracks. Key Engineering Materials. 2019. 827. 416-421

ｍore...

MISC (36)：

KOGA Hiroki, RYU Satoshi, KOYAMA Atsuhiro, MOTOMURA Fumitaka, TAKASE Toru. D-21 Observation of surface micro-defects using Scanning Laser-induced Acoustic Microscope. 2016. 2016. 69. 167-168
SAKI Hyuma, SHIBAHARA Hiromu, YOSHITAKE Taisyu, KOYAMA Atsuhiro, TAKASE Toru. D-15 Effect of thickness on fatigue crack growth behavior of friction stir welded A6063 thin plate under constant amplitude. 2016. 2016. 69. 155-156
YAMASHITA Yuichi, KURATA Hideyuki, RIKIHISA Shinnosuke, KOYAMA Atsuhiro, TAKASE Toru. D-14 Effect of Two-step Loading on Fatigue Crack Growth Behavior of Friction Stir Welded A6063. 2016. 2016. 69. 153-154
URAKAWA Kazuma, TANIGAWA Keisuke, TANAKA Akira, KOYAMA Atsuhiro, TAKASE Toru. D-13 Fatigue Crack Initiation Life of Friction Stir Welded A6063 under Pulsating 4 Point Bending. 2016. 2016. 69. 151-152
Koyama Atsuhiro, Takase Toni, Motomura Fumitaka, Koga Hiroki, Ryu Satoshi, Shibutani Yoji. OS6-9 Non-destructive Observations of Small Crack using Scanning Laser-induced Acoustic Microscope(Ultrasonic NDT of Cracks and Damages (1),OS6 Ultrasonic non-destructive testing and evaluation,MEASUREMENT METHODS). Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics. 2015. 2015. 14. 80-80

ｍore...

Books (1)：

Lectures and oral presentations (83)：

二段繰返し変動荷重下における摩擦攪拌接合A6063合金の疲労き裂進展挙動
(日本機械学会九州支部第76期総会・講演会 2023)
一定振幅荷重下における円孔を有するA5052合金薄板の疲労き裂進展挙動
(日本機械学会九州支部第76期総会・講演会 2023)
一定振幅荷重下におけるA5052/SUS304単純重ね合わせ接着継手の疲労寿命に及ぼす水浸漬の影響
(日本機械学会九州支部第76期総会・講演会 2023)
ウォーターブラスト処理を施したA7075合金の回転曲げ疲労寿命
(日本機械学会九州支部第76期総会・講演会 2023)
走査型電子線誘起超音波顕微鏡を用いた材料表面近傍の内部欠陥の非破壊観察
(日本機械学会九州支部第76期総会・講演会 2023)

ｍore...

Works (7)：

ｍore...

Education (4)：

Professional career (2)：

Work history (5)：

Committee career (5)：

Awards (1)：

Association Membership(s) (5)：

溶接学会 , 日本軽金属学会 , 日本金属学会 , 日本材料学会 , 日本機械学会

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page