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Enhancing the fretting damage resistance of suspension plasma sprayed hydroxyapatite coating with Titania addition
Samiksha Moharana, Yuichi Otsuka, Gnanamoorthy R
Surface and Coatings Technology 476 130236-130236 2024年1月30日  
論文はこちら  
 
 
Interactive Evaluation of Interfacial Damages on Loosening Behavior of Acetabular Cup Loosening Using AE and IR Method
Yuichi Otsuka, Takuya Sakonju, Yukio Miyashita
Key Engineering Materials 967 171-176 2023年12月5日  
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Enhancement of Human Gingival Fibroblasts Bioactivity and Proliferation on Plasma Sprayed Yttria-Stabilised Zirconia/TiO2 Surface Coating of Titanium Alloys: An In-Vitro Study
Afida Jema, Masfueh Razali, Yuichi Otsuka, Mariyam Jameelah Ghazali
Coatings 13(10) 1746-1746 2023年10月9日  
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Antiviral/antibacterial and mechanical properties of HAp/TiO2 porous composite
Yuichi Otsuka, Ngyuen Quang Minh, Keigo Ishiguro, Yukio Miyashita
Materials Today: Proceedings 2023年8月12日    
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A finite element study on the interactive effect between the damage of the cup–bone interface and the bone strain of hip implants under various fixation conditions
Quang Minh Nguyen, Yuichi Otsuka, Yukio Miyashita
Journal of the Mechanical Behavior of Biomedical Materials 144 105945-105945 2023年6月  
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Fluoride adsorption enhancement of Calcined-Kaolin/Hydroxyapatite composite
Teerawat Laonapakul, Tanaratchanon Suthi, Yuichi Otsuka, Yoshiharu Mutoh, Patamaporn Chaikool, Prinya Chindaprasirt
Arabian Journal of Chemistry 15(11) 104220-104220 2022年11月  
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Surface modification of hydroxyapatite nanoparticles for bone regeneration by controlling their surface hydration and protein adsorption states
Zizhen Liu, Shota Yamada, Yuichi Otsuka, Tania Guadalupe Penaflor Galindo, Motohiro Tagaya
Dalton Transactions 51(25) 9572-9583 2022年5月24日
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Fretting Wear Characteristics of Suspension Plasma-Sprayed Hydroxyapatite Coating on Titanium Substrate for Orthopedic Applications
M. Samiksha, R. Gnanamoorthy, Y. Otsuka
Journal of Materials Engineering and Performance 31(9) 7290-7301 2022年3月11日
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Effects of composition of hydroxyapatite/gray titania coating fabricated by suspension plasma spraying on mechanical and antibacterial properties
Md Mirazul Mahmud Abir, Yuichi Otsuka, Kiyoshi Ohnuma, Yukio Miyashita
Journal of the Mechanical Behavior of Biomedical Materials 125 104888-104888 2022年1月  
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Delamination-fretting wear failure evaluation at HAp-Ti-6Al–4V interface of uncemented artificial hip implant
M. Nagentrau, A.L. Mohd Tobi, S. Jamian, Y. Otsuka, R. Hussin
Journal of the Mechanical Behavior of Biomedical Materials 122 104657-104657 2021年10月  
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Effect of delamination of plasma sprayed hydroxyapatite coating on loosening behaviors of acetabular cups subjected to cyclic loading
Yuichi Otsuka, Kengo Kagaya, Yukio Miyashita
Engineering Failure Analysis 127 105548-105548 2021年9月  
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Damage evaluation of HAp-coated porous titanium foam in simulated body fluid based on compression fatigue behavior
Munshi Mohammad Raihan, Yuichi Otsuka, Koudai Tsuchida, Anchalee Manonukul, Kiyoshi Ohnuma, Yukio Miyashita
Journal of the Mechanical Behavior of Biomedical Materials 117 104383-104383 2021年5月  
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Bias Voltage for Avoiding Fatigue Strength Degradation Due to TiAlN Coating on Ti-Alloy Substrates
NithyaGnana Poorani Sivagnanam Chandra, Yuichi Otsuka, Yoshiharu Mutoh, Kenji Yamamoto
Journal of Materials Engineering and Performance 30(3) 2204-2212 2021年3月  
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摩擦圧接によるセラミックス異種接合の試行と自己修復特性
高橋 剛, 木村 真晃, グエン タンソン, 大塚 雄市, 中山 忠親
年次大会 2021 J043-13 2021年  
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Proposal of a Validation Method of Failure Mode Analyses based on the Stress-Strength Model with a Support Vector Machine
Tomoyuki Okabe, Yuichi Otsuka
Reliability Engineering & System Safety 205 107247-107247 2021年1月  
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水酸アパタイト錯体・光触媒複合皮膜による抗菌性評価
大塚雄市
溶射技術 40(2) 27-31 2020年11月17日  査読有り招待有り筆頭著者  
 
 
Damage evaluations in Supporting Porous Components using Infrared Thermography and Acoustic Emission and their Effects on Loosening Behaviour of Acetabular Cup
Yuichi Otsuka, Hiraku Sugawara, Yukio Miyashita
Procedia Structural Integrity 28 1018-1023 2020年11月  
 
 
Effect of coating thickness on fatigue behavior of TiAlN coated Ti-alloys
NithyaGnana Poorani Sivagnanam Chandra, Yuichi Otsuka, Yoshiharu Mutoh, Kenji Yamamoto
International Journal of Fatigue 140 105767-105767 2020年11月  査読有り責任著者
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The Antibacterial Activity of Hydroxyapatite-Tryptophan Complex with Gray Titania by Photocatalysis Using LED Diodes
Kanda Leelanarathiwat, Yasuhiro Katsuta, Yuichi Otsuka, Hiroaki Katsuragi, Fumihiko Watanabe
35(2) 265-274 2020年3月  
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Fatigue strength and mechanism of Ti6242S titanium alloy with TiAlN coating deposited under various bias voltages
NithyaGnana Poorani, Sivagnanam Chandra, Yuichi Otsuka, Yoshiharu Mutoh, Kenji Yamamoto
International Journal of Fatigue 131 105338-105338 2020年2月  査読有り  
 
 
A Method for Determining Failure Modes Associated with Damage/Fracture of Materials in Early Design Stages
Tomoyuki Okabe , Yuichi Otsuka
Journal of Failure Analysis and Prevention 20(1) 302-314 2020年1月30日  査読有り責任著者  
 
 
アルミニウム合金とアルミナの摩擦圧接とその界面解析
グエン タンソン, 高橋 剛, 木村 真晃, 大塚 雄市, 中山 忠親
年次大会 2020 J04214 2020年  
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Wettability Characteristics of Laser Surface Textured Plasma Sprayed TiO2/ZnO Coatings
大塚 雄市
Tribology Online 14(5) 279-284 2019年12月  査読有り
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Antibacterial properties of laser surface-textured TiO2/ZnO ceramic coatings
大塚 雄市
Ceramics International 46(3) 3949-3959 2019年10月  査読有り
論文はこちら  
 
 
生体・医療材料の最前線 2.医療材料の表面改質技術と機能化の最前線
水谷正義, 大塚雄市, 菊池将一
材料 68(9) 723-729 2019年9月  査読有り
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Enhancement effect on antibacterial property of gray titania coating by plasma-sprayed hydroxyapatite-amino acid complexes during irradiation with visible light
Sarita Morakul, Yuichi Otsuka, Kiyoshi Ohnuma, Motohiro Tagaya, Satoshi Motozuka, Yukio Miyashita, Yoshiharu Mutoh
5(8) e02207-e02207 2019年8月
 論文はこちら  
 
 
Self-healing behavior and strength recovery of ytterbium disilicate ceramic reinforced with silicon carbide nanofillers
大塚 雄市
Journal of the European Ceramic Society 39(10) 3139-3152 2019年8月  査読有り
論文はこちら  
 
 
Cytotoxicity of hydroxyapatite-tyrosine complex with gray titania coating on titanium alloy surface to L929 mouse fibroblasts
Kanda LEELANARATHIWAT, Kentaro MINATO, Yasuhiro KATSUTA, Yuichi OTSUKA, Hiroaki KATSURAGI, Fumihiko WATANABE
38(4) 573-578 2019年7月26日  
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Comparison of two fabrication processes for biomimetic collagen/hydroxyapatite hybrids
Y Chai, M Okuda, Y Otsuka, K Ohnuma, M Tagaya
Advanced Powder Technology 30(7) 1419-1423 2019年7月  査読有り
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 Contact slip prediction in HAp coated artificial hip implant using finite element analysis
大塚 雄市
Mechanical Engineering Journal 6(3) 18-00562-18-00562 2019年4月  査読有り
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Effect of Interface Damage on Loosening Behavior of Acetabular Cup Subjected to Cyclic Loading
大塚 雄市
Materials Science Forum 941 1841-1845 2018年12月  査読有り
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難燃性Mg-Al-Ca系合金押出材の疲労強度特性とその疲労強度に及ぼすAl添加量の影響の破壊力学的検討
大塚 雄市, 宮下幸雄, 木村聖光, 萩原悠斗
材料Journal of the Society of Materials Science,Japan 67(12) 1029-1035 2018年12月  査読有り  
 
 
Effects of compression on orientation of ligands in fluorescent complexes between hydroxyapatite with amino acids and their optical properties
Sarita Morakul, Yuichi Otsuka, Andaradhi Nararya, Motohiro Tagaya, Satoshi Motozuka, Kiyoshi Ohnuma, Yukio Miyashita, Yoshiharu Mutoh
Journal of the Mechanical Behavior of Biomedical Materials 88 406-414 2018年9月6日  査読有り  
 
 
Visible light-induced antibacterial effects of the luminescent complex of hydroxyapatite and 8-hydroxyquinoline with gray titania coating
Takehiko Matsuya, Sarita Morakul, Yuichi Otsuka, Kiyoshi Ohnuma, Motohiro Tagaya, Satoshi Motozuka, Yukio Miyashita, Yoshiharu Mutoh
Applied Surface Science 448 529-538 2018年8月1日  査読有り
論文はこちら  
 
 
Fracture Behavior Simulation of a High-Pressure Vessel Under Monotonic and Fatigue Loadings
Nie D, Otsuka Y, Mutoh Y
Journal of Pressure Vessel Technology 140(4) 41407-41407-7 2018年6月18日  査読有り  
 
 
The synergy of corrosion and fretting wear process on Inconel 690 in the high temperature high pressure water environment
Zihao Wang, Jian Xu, Jie Li, Long Xin, Yonghao Lu, Tetsuo Shoji, Yoichi Takeda, Yuichi Otsuka, Yoshiharu Mutoh
JOURNAL OF NUCLEAR MATERIALS 502 255-262 2018年4月  査読有り
論文はこちら  
 
 
Effects of TiO2 on microstructural, mechanical properties and in-vitro bioactivity of plasma sprayed yttria stabilised zirconia coatings for dental application
A. Jemat, M.J. Ghazali, M. Razali, Y. Otsuka, A. Rajabi
44(4) 4271-4281 2018年3月  
論文はこちら  
 
 
Effect of Mg concentration on interfacial strength and corrosion fatigue behavior of thermal-sprayed Al-Mg coating layers
Sarita Morakul, Yuichi Otsuka, Yukio Miyashita, Yoshiharu Mutoh
Engineering Failure Analysis 88 13-24 2018年2月21日  査読有り  
 
 
MICROSTRUCTURAL, SURFACE ROUGHNESS AND WETTABILITY OF TITANIUM ALLOY COATED BY YZP-30WT. % TIO2 FOR DENTAL APPLICATION
Afida Jemat, Mariyam Jameelah Ghazali, Masfueh Razali, Yuichi Otsuka
Jurnal Teknolog 80(2) 45-50 2018年1月10日  査読有り 
 

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