NAKAI Masaaki Last updated: Dec 18, 2018 at 19:52
Academic & Professional Experience
2016
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Today
Associate Professor, Faculty of Science and Engineering, Kindai University
2010
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2016
Associate Professor, Institute for Materials Research, Tohoku University
2007
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2010
Assistant Professor, Institute for Materials Research, Tohoku University
2006
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2007
Research Associate, Institute for Materials Research, Tohoku University
Committee Memberships
2009
- 日本学術振興会加工プロセスによる材料新機能発現第176委員会 委員
2013
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2018
日本金属学会チタン製造プロセスと材料機能研究会 委員
Awards & Honors
2009
日本金属学会第19回奨励賞（工業材料部門）
2012
トーキン科学技術振興財団第22回研究奨励賞
Published Papers
High-cycle fatigue properties of an easily hot-workable (α + β)-type titanium alloy butt joint prepared by friction stir welding below β transus temperature
M. Nakai, M. Niinomi, K. Komine, H.H. Liu, Y. Morisada and H. Fujii
742 553-563 2019 [Refereed]
Synchronous improvement in strength and ductility of biomedical Co-Cr-Mo alloys by unique low-temperature heat treatment
K. Ueki, M. Abe, K. Ueda, M. Nakai, T. Nakano and T. Narushima
Mater. Sci. Eng. A 739 53-61 2019 [Refereed]
B. Dikici, M. Niinomi, M. Topuz, S.G. Koc, and M. Nakai
J. Sol-Gel Sci. Technol. 87(3) 713-724 Sep 2018 [Refereed]
K. Ueki, K. Ueda, M. Nakai, T. Nakano and T. Narushima
Metall. Mater. Trans. A 49 2393-2404 Jun 2018 [Refereed]
Q. Li, D. Ma, J. Li, M. Niinomi, M. Nakai, Y. Koizumi, D. Wei, T. Kakeshita, T. Nakano, A. Chiba, K. Zhou and D. Pan
Mater. Trans 59(5) 858-860 May 2018 [Refereed]
B. Dikici, M. Niinomi, M. Topuz, Y. Say, B. Aksakal, H. Yilmazer, and M. Nakai
Prot. Met. Phys. Chem. Surf. 54(3) 457-462 2018 [Refereed]
M. Nakai, M. Niinomi, Y. Ishida, H.H. Liu, H. Fujii and T. Ninomiya
Mater. Trans. 58(8) 1223-1226 Aug 2017 [Refereed]
K. Niwa, T. Akahori, M. Niinomi, T. Hattori and M. Nakai
Mater. Trans. 58(6) 951-957 Jun 2017 [Refereed]
Liu Huihong, Niinomi Mitsuo, Nakai Masaaki, Cho Ken, Fujii Hidetoshi
SCRIPTA MATERIALIA 130 27-31 Mar 2017 [Refereed]
Hakan Yilmazer, Burak Dikici, Mitsuo Niinomi, Masaaki Nakai, Huihoung Lui, Yoshikazu Todaka, Ahmet Nuri Ozcivan
Materials Science Forum 879 2549-2554 Jan 2017
© 2017 Trans Tech Publications, Switzerland. The microstructural evolution and its effect on biocompatibility of TNTZ through HPT processing were investigated systematically in this study. TNTZ AHPT shows an enhanced mechanical biocompatibility, ...
Liu Huihong, Niinomi Mitsuo, Nakai Masaaki, Cong Xin, Cho Ken, Boehlert Carl J., Khademi Vahid
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE 48A(1) 139-149 Jan 2017 [Refereed]
T. Homma, A. Arafah, D. Haley, M. Nakai, M. Niinomi and M.P. Moody
Mater. Sci. Eng. A 709 312-321 2017 [Refereed]
X.L. Zhao, L. Li, M. Niinomi, M. Nakai, D.L. Zhang and C. Suryanarayana
Acta Biomater. 62 372-384 2017 [Refereed]
H.H. Liu, M. Niinom, M. Nakai, S. Obara and H. Fujii
Mater. Sci. Eng. A 704 10-17 2017 [Refereed]
Santos Pedro Fernandes, Niinomi Mitsuo, Cho Ken, Liu Huihong, Nakai Masaaki, Narushima Takayuki, Ueda Kyosuke, Itoh Yoshinori
MATERIALS TRANSACTIONS 58(2) 271-279 2017 [Refereed]
Niwa Kentaro, Akahori Toshikazu, Niinomi Mitsuo, Hattori Tomokazu, Nakai Masaaki
JOURNAL OF THE JAPAN INSTITUTE OF METALS 80(12) 764-771 Dec 2016 [Refereed]
Santos Pedro Fernandes, Niinomi Mitsuo, Liu Huihong, Cho Ken, Nakai Masaaki, Trenggono Adhitya, Champagne Sebastien, Hermawan Hendra, Narushima Takayuki
MATERIALS & DESIGN 110 414-424 Nov 2016 [Refereed]
Takakuwa Osamu, Nakai Masaaki, Narita Kengo, Niinomi Mitsuo, Hasegawa Kazuhiro, Soyama Hitoshi
INTERNATIONAL JOURNAL OF FATIGUE 92 360-367 Nov 2016 [Refereed]
Niinomi Mitsuo, Nakai Masaaki, Hendrickson Mandana, Nandwana Peeyush, Alam Talukder, Choudhuri Deep, Banerjee Rajarshi
SCRIPTA MATERIALIA 123 144-148 Oct 2016 [Refereed]
E. Takematsu, K. Cho, J. Hieda, M. Nakai, K. Katsumata, K. Okada, M. Niinomi and N. Matsushita
J. Mech. Behav. Biomed. Mater. 61 174-181 Aug 2016 [Refereed]
Ding Yun-Fei, Li Rachel W., Nakai Masaaki, Majumdar Trina, Zhang Dong-Hai, Niinomi Mitsuo, Birbilis Nick, Smith Paul N., Chen Xiao-Bo
ADVANCED HEALTHCARE MATERIALS 5(14) 1740-1752 Jul 2016 [Refereed]
Isik Murat, Niinomi Mitsuo, Cho Ken, Nakai Masaaki, Liu Huihong, Yilmazer Hakan, Horita Zenji, Sato Shigeo, Narushima Takayuki
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS 59 226-235 Jun 2016 [Refereed]
Santos Pedro Fernandes, Niinomi Mitsuo, Liu Huihong, Cho Ken, Nakai Masaaki, Itoh Yoshinori, Narushima Takayuki, Ikeda Masahiko
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS 59 497-507 Jun 2016 [Refereed]
Cho Ken, Niinomi Mitsuo, Nakai Masaaki, Liu Huihong, Santos Pedro F., Itoh Yoshinori, Ikeda Masahiko, Gepreel Mohamed Abdel-Hady, Narushima Takayuki
JOURNAL OF ALLOYS AND COMPOUNDS 664 272-283 Apr 2016 [Refereed]
Tsutsumi Yusuke, Niinomi Mitsuo, Nakai Masaaki, Shimabukuro Masaya, Ashida Maki, Chen Peng, Doi Hisashi, Hanawa Takao
METALS 6(4) Apr 2016 [Refereed]
M. Sato, O. Takakuwa, M. Nakai, M. Niinomi, F. Takeo and H. Soyama
Mater. Sci. Appl. 7(4) 181-191 Apr 2016 [Refereed]
Liu Huihong, Niinomi Mitsuo, Nakai Masaaki, Cho Ken
ACTA MATERIALIA 106 162-170 Mar 2016 [Refereed]
Midorikawa Yutaka, Nakai Masaaki, Midorikawa Kaoru, Niinomi Mitsuo
JOURNAL OF THE JAPAN INSTITUTE OF METALS 80(3) 165-170 Mar 2016 [Refereed]
Isik Murat, Niinomi Mitsuo, Liu Huihong, Cho Ken, Nakai Masaaki, Horita Zenji, Sato Shigeo, Narushima Takayuki, Yilmazer Hakan, Nagasako Makoto
MATERIALS TRANSACTIONS 57(7) 1109-1118 2016 [Refereed]
Lee Yoon-Seok, Niinomi Mitsuo, Nakai Masaaki, Narita Kengo, Liu Huihong
MATERIALS TRANSACTIONS 57(12) 1993-1997 2016 [Refereed]
Isik Murat, Niinomi Mitsuo, Liu Huihong, Cho Ken, Nakai Masaaki, Horita Zenji, Narushima Takayuki, Ueda Kyosuke
MATERIALS TRANSACTIONS 57(11) 1887-1896 2016 [Refereed]
Midorikawa Yutaka, Nakai Masaaki, Midorikawa Kaoru, Niinomi Mitsuo
Journal of the Japan Institute of Metals 80(3) 165-170 2016
A novel method for detecting antimicrobial activity using an innate property of the Salmonella bacteria, namely, the ability of Salmonella to produce hydrogen sulfide (H2 S) was developed in this study. The effectiveness o...
Midorikawa Yutaka, Nakai Masaaki, Midorikawa Kaoru, Niinomi Mitsuo
MATERIALS TRANSACTIONS 57(6) 995-1000 2016 [Refereed]
Yilmazer Hakan, Sen Mustafa, Niinomi Mitsuo, Nakai Masaaki, Liu Huihong, Cho Ken, Todaka Yoshikazu, Shiku Hitoshi, Matsue Tomokazu
RSC ADVANCES 6(9) 7426-7430 2016 [Refereed]
Oribe Kazuya, Hasegawa Kazuhiro, Kitahara Kou, Tamura Takashi, Narita Kengo, Yamanaka Shigeru, Nakai Masaaki, Takakuda Kazuo, Niinomi Mitsuo
Materia Japan 55(4) 142-146 2016
Lee Yoon-Seok, Niinomi Mitsuo, Nakai Masaaki, Narita Kengo, Cho Ken, Liu Huihong
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS 51 398-408 Nov 2015 [Refereed]
Santos Pedro Fernandes, Niinomi Mitsuo, Cho Ken, Nakai Masaaki, Liu Huihong, Ohtsu Naofumi, Hirano Mitsuhiro, Ikeda Masahiko, Narushima Takayuki
ACTA BIOMATERIALIA 26 366-376 Oct 2015 [Refereed]
Hieda Junko, Niinomi Mitsuo, Nakai Masaaki, Cho Ken, Matsubara Ayaka
MATERIALS TRANSACTIONS 56(10) 93-100 Oct 2015 [Refereed]
Liu Huihong, Niinomi Mitsuo, Nakai Masaaki, Cho Ken
ACTA BIOMATERIALIA 24 361-369 Sep 2015 [Refereed]
Narita Kengo, Niinomi Mitsuo, Nakai Masaaki, Suyalatu
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 643 109-118 Sep 2015 [Refereed]
Hieda Junko, Niinomi Mitsuo, Nakai Masaaki, Cho Ken
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS 54 1-7 Sep 2015 [Refereed]
Song Xiu, Wang Lei, Niinomi Mitsuo, Nakai Masaaki, Liu Yang
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 640 154-164 Jul 2015 [Refereed]
High bone bonding ability and affinity of new low-rigidity β-type Ti-29Nb-13Ta-4.6Zr alloy as a dental implant
H. Edamatsu, T. Kawai, K. Matsui, M. Nakai, T. Takahashi, S. Echigo, M. Niinomi and S. Kamakura
J. Dent. Oral Health 1(2) Article ID 009 Jul 2015 [Refereed]
H.H. Liu, M. Niinomi, M. Nakai, K. Cho, K. Narita, M. Sen, H. Shiku and T. Matsue
Acta Biomater. 12 352-361 Jan 2015 [Refereed]
Y.-S. Lee, M. Niinomi, M. Nakai, K. Narita, J. Hieda and K. Cho
J. Mech. Behav. Biomed. Mater. 41 208-220 Jan 2015 [Refereed]
T. Lee, M. Nakai, M. Niinomi, C.H. Park, C.S. Lee
Metal. Mater. Int. 21(1) 202-207 Jan 2015 [Refereed]
Y.-S. Lee, M. Niinomi, M. Nakai, K. Narita and K. Cho
Mater. Trans. 56(3) 317-326 2015 [Refereed]
M. Nakai, M. Niinomi, H. Tsutsumi, K. Saito and T. Goto
Mater. Technol. 30 B8-B12 2015
X. Song, L. Wang, M. Niinomi, M. Nakai, Y. Liu and M. Zhu
Mater. Sci. Eng. A 619 112-118 Dec 2014 [Refereed]
H.H. Liu, M. Niinomi, M. Nakai, J. Hieda and K.Cho
Scripta Mater. 82 29-32 Jul 2014 [Refereed]
H.H. Liu, M. Niinomi, M. Nakai, J. Hieda and K.Cho
J. Mech. Behav. Biomed. Mater. 34 66-74 Jun 2014 [Refereed]
J. Hieda, M. Niinomi, M. Nakai, K. Cho, T. Mohri and T. Hanawa
Mater. Sci. Eng. C 36 244-251 Mar 2014 [Refereed]
H.H. Liu, M. Niinomi, M. Nakai, J. Hieda and K.Cho
J. Mech. Behav. Biomed. Mater. 30 205-213 Feb 2014 [Refereed]
M. Nakai, M. Niinomi, J. Hieda, K. Cho, Y. Nagasawa, T. Konno, Y. Ito, Y. Itsumi and H. Oyama
Mater. Sci. Eng. A 594 103-110 Jan 2014 [Refereed]
K. Narita, M. Niinomi and M. Nakai
J. Mech. Behav. Biomed. Mater. 29 393-402 Jan 2014 [Refereed]
Akahori Toshikazu, Niinomi Mitsuo, Nakai Masaaki, Tsutsumi Harumi, Kondo Yusuke, Hattori Tomokazu, Fukui Hisao
The Journal of the Japan Institute of Metals.A 78(12) 459-459 2014
M. Nakai, M. Niinomi, K. Cho and K. Narita
Interface Oral Health Science 2014-Innovative Research on Biosis-Abiosis Intelligent Interface (Edited by K. Sasaki, O. Suzuki and N. Takahashi),Springer 2014
Development of low-cost high-strength beta-type titanium alloys using a metal injection molding
K. Cho, M. Niinomi, M. Nakai, J. Hieda, P.F. Santos, Y. Itoh and M. Ikeda
Proceedings of Materials Science and Technology Conference and Exhibition 2014 (MS&T2014) 1551-1558 2014
気孔にモノマー溶液を浸透させ，その場重合させて医療用ポリマーを充填した生体用多孔質チタンの開発―多孔質化と医療用ポリマー充填の両用による金属材料の低ヤング率化と機械的強度維持の可能性―
仲井正昭, 新家光雄
バイオマテリアル研究の最前線（成島尚之, 中野貴由編）,日本金属学会 2014
脊椎固定器具用ヤング率可変型β型Ti-Cr合金におけるCr含有量の最適化―応力遮蔽とスプリングバックとを抑制する弾性率自己調整機能―
仲井正昭, 新家光雄
バイオマテリアル研究の最前線（成島尚之, 中野貴由編）,日本金属学会 2014
Optimization of Cr and O contents in beta-type Ti-Cr-O alloys for obtaining both larger changeable Young's modulus during deformation and higher strength for use in spinal fixation applications
M. Nakai, M. Niinomi, J. Hieda, K. Cho, K. Narita and H.H. Liu
Proceedings of Materials Science and Technology Conference and Exhibition 2013 (MS&T2013) 2991-2997 2014
Endurance of low-modulus β-type titanium alloys for spinal fixation
M. Niinomi, M. Nakai, J. Hieda, K. Cho and K. Narita
TMS2014 Annual Meeting Supplemental Proceedings 205-212 2014
Fatigue characteristics and microstructures of laser- and non-laser welded low cost Ti-4.5Al-2.5Cr-1.2Fe-0.1C for use in next generation aircrafts
M. Niinomi, M. Nakai, J. Hieda, K. Cho, Y. Itsumi, S. Murakami, H. Oyama and W. Abe
TMS2014 Annual Meeting Supplemental Proceedings 49-56 2014
Difference of wear behavior between Ti-29Nb-13Ta-4.6Zr alloy and Ti-6Al-4V ELI alloy for biomedical applications
M. Nakai, M. Niinomi, J. Hieda, K. Cho and Y.-S. Lee
TMS2014 Annual Meeting Supplemental Proceedings 217-220 2014
MECHANICAL PROPERTIES, MICROSTRUCTURES, AND BIOCOMPATIBILITY OF LOW-COST beta-TYPE Ti-Mn ALLOYS FOR BIOMEDICAL APPLICATIONS
Cho Ken, Niinomi Mitsuo, Nakai Masaaki, Hieda Junko, Santos Pedro Fernandes, Itoh Yoshinori, Ikeda Masahiko
BIOMATERIALS SCIENCE: PROCESSING, PROPERTIES AND APPLICATIONS IV 251 21-30 2014 [Refereed]
Niinomi Mitsuo, Nakai Masaaki, Hieda Junko, Cho Ken, Kasuga Toshihiro, Hattori Tomokazu, Goto Takashi, Hanawa Takao
INTERNATIONAL JOURNAL OF SURFACE SCIENCE AND ENGINEERING 8(2-3) 138-152 2014 [Refereed]
H. Yilmazer, M. Niinomi, K. Cho, M. Nakai, J. Hieda, S. Sato and Y. Todaka
Acta Mater. 80 172-182 2014
金属材料と生体組織との力学的不整合とその対策
仲井正昭, 新家光雄
バイオマテリアル―生体材料― 32 217-228 2014
Y.-H. Kim, M. Niinomi, J. Hieda, M. Nakai, K. Cho and H. Fukui
J. Mech. Behav. Biomed. Mater. 35 123-131 2014
Y-H. Kim, M. Niinomi, J. Hieda, M. Nakai, K. Cho and H. Fukui
Mater. Sci. Eng. C 37 204-209 2014
Y-H. Kim, M. Niinomi, J. Hieda, M. Nakai, K. Cho and H. Fukui
Mater. Sci. Eng. C 36 329-335 2014
Mechanical properties of biomedical β-type titanium alloy with rare-earth oxide particles formed by rare-earth metal addition
J. Hieda, M. Niinomi, M. Nakai and K. Cho
TMS2014 Annual Meeting Supplemental Proceedings 129-135 2014
H. Yilmazer , M. Niinomi, K. Cho, M. Nakai, J. Hieda, S. Sato and Y. Todaka
Adv. Mater. Lett. 5 378-383 2014
Mechanical properties, microstructures, and biocompatibility of low-cost β-type Ti-Mn alloys for biomedical applications
K. Cho, M. Niinomi, M. Nakai, J. Hieda, P.F. Santos, Y. Itoh and M. Ikeda
Ceram. Trans. 251 21-30 2014
Y.-S. Lee, M. Niinomi, M. Nakai, J. Hieda and K. Cho
Adv. Mater. Res. 922 424-428 2014
K. Narita, M. Niinomi and M. Nakai
Mater. Sci. Forum 783-786 1313-1319 2014
M. Nakai, M. Niinomi, J. Hieda, K. Cho, K. Narita and X.F. Zhao
Mater. Sci. Forum 783-786 1307-1312 2014
M. Niinomi, M. Nakai, J. Hieda, K. Cho, T. Goto and T. Hanawa
Mater. Sci. Forum 783-786 78-84 2014
M. Isik, M. Niinomi, K. Cho, M. Nakai, J. Hieda, H. Yilmazer, Z. Horita and T. Narushima
Key Eng. Mater. 616 263-269 2014
Y.-S. Lee, M. Niinomi, M. Nakai, K. Narita, J. Hieda and K. Cho
Key Eng. Mater. 616 270-274 2014 [Refereed]
H. Yilmazer, Mitsuo Niinomi, K. Cho, M. Nakai, J. Hieda and Y. Todaka
Adv. Mater. Res. 891-892 9-14 2014
M. Niinomi, M. Nakai, J. Hieda, K. Cho and K. Narita
Key Eng. Mater. 575-576 446-452 2014 [Refereed]
H.H. Liu, M. Niinomi, M. Nakai, J. Hieda and K. Cho
Key Eng. Mater. 575-576 453-460 2014 [Refereed]
Biomedical implant devices fabricated from low Young's modulus titanium alloys with demonstrating high mechanical biocompatibility
M. Niinomi and M. Nakai
Mater. Matters 9 39-46 2014
M. Niinomi, M. Nakai, J. Hieda, K. Cho, T. Kasuga, T. Hattori, T. Goto and T. Hanawa
Int. J. Surf. Sci. Eng. 8 138-152 2014
K. Cho, M. Niinomi, M. Nakai, J. Hieda, P.F. Santos, Y. Itoh, T. Hattori and M. Ikeda
Mater. Sci. Forum 783-786 1232-1237 2014
K. Cho, M. Niinomi, M. Nakai, J. Hieda and R. Kanekiyo
Mater. Trans. 54(10) 2000-2006 Oct 2013 [Refereed]
J. Hieda, M. Niinomi, M. Nakai, K. Cho and S. Nagai
Mater. Trans. 54(8) 1361-1367 Aug 2013 [Refereed]
Q. Li, M. Niinomi, J. Hieda, M. Nakai and K. Cho
Acta Biomater. 9(8) 8027-8035 Aug 2013 [Refereed]
K. Cho, M. Niinomi, M. Nakai, J. Hieda and X. Tao
Mater. Trans. 54(8) 1295-1301 Aug 2013 [Refereed]
J. Hieda, M. Niinomi, M. Nakai, H. Kamura, H. Tsutsumi and T. Hanawa
J. Biomed. Mater. Res. B 101(5) 776-783 Jul 2013 [Refereed]
T. Akahori, M. Niinomi, M. Nakai, H. Tsutsumi, S. Aki, Y. Itsumi, S. Murakami and H. Oyama
Mater. Trans. 54(5) 783-790 May 2013 [Refereed]
J. Hieda, M. Niinomi, M. Nakai, K. Cho, T. Gozawa, H. Katsui, R. Tu and T. Goto
J. Mech. Behav. Biomed. Mater. 18 232-239 Feb 2013 [Refereed]
J.Hieda, M. Niinomi, M. Nakai and K. Cho
Advances in Biomaterials Science and Biomedical Applications,InTech 515-538 2013
Mechanical properties of Ti-12Cr alloy with self-tunable Young's modulus for use in spinal fixation devices
M. Nakai, M. Niinomi, J. Hieda and K. Cho
Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing CD-ROM 1541-1546 2013
Deformation induced changeable Young's modulus in ternary Ti-Cr-O alloys for spinal fixation applications
H.H Liu, M. Niinomi, M. Nakai, J. Hieda and K. Cho
Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing CD-ROM 1635-1641 2013
Microstructural control and mechanical properties of low-cost titanium alloys for next generation aircrafts
M. Niinomi, M, Nakai, Itsumi, S. Murakami, H. Oyama, W. Abe, J. Hieda and K. Cho
Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing CD-ROM 1131-1138 2013
Mechanical properties of low-cost beta-type Ti-Mn alloys fabricated by metal injection molding
K. Cho, M. Niinomi, M. Nakai, J. Hieda, P.F. Santos, Y. Itoh and M. Ikeda
Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing CD-ROM 1115-1122 2013
Microstructure and fatigue properties of double-sided friction stir welded Ti-4.5Al-2.5Cr-1.2Fe-0.1C alloy plate for aerospace applications
M. Nakai, M. Niinomi, J. Hieda, K. Cho, K. Komine, H. Fujii, Y. Morisada, Y. Ito, T. Konno, Y. Itsumi, H. Oyama and W. Abe
Proceedings of the 1st International Joint Symposium on Joining and Welding 429-434 2013
骨-インプラント間の弾性率差による骨形態変化
新家光雄, 服部友一, 仲井正昭
日本骨形態計測学会雑誌 23 23-30 2013
Misc
Hieda Junko, Niinomi Mitsuo, Nakai Masaaki, Cho Ken
Proceedings of JSPE Semestrial Meeting 2015(0) 513-514 2015
生体用金属材料であるTiと骨の形成を促進すると報告されているMgを合金化し、Ti-Mg合金の生体用金属材料としての可能性を探った。DCマグネトロンスパッタ法により作製したTi-Mg合金薄膜を擬似体液に30日間浸漬し、骨の無機成分であるリン酸カルシウムの析出挙動について調査・検討を行った。その結果、Mgの含有量が33mass%のTi-Mg合金薄膜では膜の剥離は生じず、表面にリン酸カルシウムが析出することがわかった。
（支部便り）平成26年度軽金属学会東北支部講演会「転位挙動に基づくMultiscale結晶塑性シミュレーション―材料科学と固体力学の架け橋―」開催報告
新家光雄, 仲井正昭
軽金属 65 78 2015
Nakai Masaaki, Koizumi Yuichiro, Ueda Masato, Miura-Fujiwara Eri, Ohtsu Naofumi, Hiromoto Sachiko, Ishimoto Takuya, Ueda Kyosuke
Bulletin of the Japan Institute of Metals 53(4) 133-133 2014
ENDURANCE OF LOW-MODULUS beta-TYPE TITANIUM ALLOYS FOR SPINAL FIXATION
TMS 2014 SUPPLEMENTAL PROCEEDINGS 205-212 2014 [Refereed]
MECHANICAL PROPERTIES OF BIOMEDICAL beta-TYPE TITANIUM ALLOY WITH RARE-EARTH METAL OXIDE PARTICLES FORMED BY RARE-EARTH METAL ADDITION
TMS 2014 SUPPLEMENTAL PROCEEDINGS 129-135 2014 [Refereed]
（はぐくむ）平成25年度第2回軽金属学会東北支部講演会「若手研究者による最近のチタン系生体材料の研究・開発」開催報告
新家光雄, 仲井正昭
軽金属 64 227 2014
企画にあたって
仲井正昭, 小泉雄一郎, 上田正人, 三浦永理, 大津直史, 廣本祥子, 石本卓也, 上田恭介
まてりあ 53 133 2014
（支部便り）平成25年度軽金属学会東北支部講演会「チタンプロセシングの新展開」開催報告
新家光雄, 仲井正昭
軽金属 64 133 2014
（支部便り）東北大学金属材料研究所共同研究ワークショップおよび日本バイオマテリアル学会東北地域講演会「インプラントデバイス構築に向けた金属系バイオマテリアルの研究開発の最前線」
新家光雄, 仲井正昭, 稗田純子, 趙研
軽金属 64 35 2014
Niinomi Mitsuo, Yamaura Shin-ichi, Nakai Masaaki
MATERIALS TRANSACTIONS 54(8) 1313 Aug 2013 [Refereed]
M. Niinomi, S. Yamaura and M. Nakai
Mater. Trans. 54(8) 1313 2013
Special Issue on Advanced Materials Development and Integration of Novel Structured Metallic and Inorganic Materials—Selected Papers from the 3rd Advanced Materials Development and Integration of Novel Structured Metallic and Inorganic Materials (...
NOMURA Naoyuki, OHTSU Naofumi, KOBAYASHI Sengo, NAKAI Masaaki, MIURA FUJIWARA Eri
Bulletin of the Japan Institute of Metals 51(7) 307-308 Jul 2012
加工誘起オメガ相変態を利用した新しい脊椎固定用チタン合金の開発
仲井正昭
チタン,日本チタン協会 60(4) 309 2012
企画にあたって
野村直之, 大津直史, 小林千悟, 仲井正昭, 三浦永理
まてりあ 51 307-308 2012
NAKAI Masaaki
軽金属 61(10) 583-584 Oct 2011
β型Ti-Nb-Ta-Zr系合金中の等温オメガ相安定性に及ぼす酸素添加の影響
仲井正昭
チタン,日本チタン協会 59(4) 307 2011
YILMAZER Hakan, NIINOMI Mitsuo, AKAHORI Toshikazu, NAKAI Masaaki, TODAKA Yoshikazu
The proceedings of the JSME annual meeting 2010(0) 17-18 2010
A new biomedical β-type titanium alloy, Ti-29Nb-13Ta-4.6Zr (TNTZ) has been developed by the authors. Severe plastic deformation (SPD) is a well-proved technique for forming submicron- or nano-sized grain structures in metallic materials. The effec...
ZHAO Xingfeng, NIINOMI Mitsuo, NAKAI Masaaki
The proceedings of the JSME annual meeting 2010(0) 29-30 2010
The ω phase significantly influences mechanical properties of titanium alloys. It has been reported that the ω phase can be introduced by deformation at room temperature in several β-type titanium alloys. In this study, in order to exploit a new T...
NAKAI Masaaki, NIINOMI Mitsuo, AKAHORI Toshikazu, TSUTSUMI Harumi, NARITA Kengo, ORIBE Kazuya
The proceedings of the JSME annual meeting 2010(0) 27-28 2010
A biomedical β-type titanium alloy, Ti-29Nb-13Ta-4.6Zr (TNTZ) (mass%), which is composed of non-toxic and allergy-free elements and exhibits low Young's modulus similar to that of cortical bone, has been developed by the authors. According to our ...
NIINOMI Mitsuo, NAKAI Masaaki, AKAHORI Toshikazu, TSUTSUMI Harumi, Hattori Tomokazu, NAKANO Takayoshi, GOTO Takashi
The Reference Collection of Annual Meeting 2010(0) 53-54 2010
局所弾性率上昇型脊椎固定用チタン合金製ロッドの開発プロジェクトの概要
仲井正昭, 新家光雄, 織部一弥, 宮本吾郎, 石本卓也
軽金属,軽金属学会 60(7) 342-344 2010
KIM YoungHwan, NIINOMI Mitsuo, AKAHORI Toshikazu, NAKAI Masaaki, TSUTSUMI Harumi, KANNO Toru, FUKUI Hisao
The proceedings of the JSME annual meeting 2009(0) 279-280 2009
Geng F., Niinomi M., Nakai M., Akahori T., Tsutsumi H., Ogawa M.
The proceedings of the JSME annual meeting 2009(0) 283-284 2009
Improving the mechanical properties is very important for Ti-29Nb-13Ta-4.6Zr (TNTZ) alloy as a biomedical material. In this study, oxygen was used as an interstitial element to improve the mechanical properties of Ti-Nb-Ta-Zr alloy. The oxygen con...
SONG Xiu, NIINOMI Mitsuo, TSUTSUMI Harumi, AKAHORI Toshikazu, NAKAI Masaaki, YONEZAWA Satoshi, OGAWA Michiharu, WANG Lei
The proceedings of the JSME annual meeting 2009(0) 285-286 2009
Various additions of TiB_2 and Y_2O_3 were added to the β-type Ti-29Nb-13Ta-4.6Zr alloy (TNTZ) in order to achieve excellent mechanical performance as well as lower Young's modulus. All the alloys are found to be composted of β phase by XRD analys...
NAKAI Masaaki
Journal of Japanese Society for Biomaterials 25(5) 343-345 Sep 2007
仲井正昭
まてりあ,日本金属学会 46(9) 630 Sep 2007
学会印象記（第11回チタン世界会議（JIMIC5））
仲井正昭
バイオマテリアル―生体材料―,日本バイオマテリアル学会 25 343-345 2007
NAKAI Masaaki
材料とプロセス : 日本鉄鋼協会講演論文集 = Current advances in materials and processes : report of the ISIJ meeting 17(6) Sep 2004
NAKAI Masaaki
材料とプロセス : 日本鉄鋼協会講演論文集 = Current advances in materials and processes : report of the ISIJ meeting 17(6) Sep 2004
INAGAKAI Nobuaki
材料とプロセス : 日本鉄鋼協会講演論文集 = Current advances in materials and processes : report of the ISIJ meeting 14(6) Sep 2001
NAKAI Masaaki
材料とプロセス : 日本鉄鋼協会講演論文集 = Current advances in materials and processes : report of the ISIJ meeting 13(6) Sep 2000
Association Memberships
日本金属学会(189) ,
軽金属学会(32) ,
日本バイオマテリアル学会(21) ,
日本鉄鋼協会(100) ,
日本歯科理工学会(32) ,
日本金属学会第4分科(1) ,
日本金属学会チタン製造プロセスと材料機能研究会(1) ,
日本金属学会会報編集委員会(3) ,
軽金属学会東北支部(2) ,
日本鉄鋼協会東北支部(4) ,
日本金属学会東北支部(4) ,
日本金属学会機能性チタン合金研究会(2) Works
弾性率自己調整金属の国産脊椎固定インプラントへの応用
2014 - 2015
非平衡プロセスを用いた非固溶元素の合金化効果の探索
2013 - 2015
弾性率自己調整金属を応用した脊椎固定器具の開発
2012 - 2013
局所弾性率上昇型脊椎固定用チタン合金製ロッドの開発
2009 - 2013
チタン合金の生体適合表面加工プロセス開発
2011 - 2012
Patents
Spinal Fixation Rod Made of Titanium Alloy
US 9,034,017 B2
疲労強度に優れた低弾性率の脊椎固定用チタン合金製ロッドの製造方法
特許第5584898号
Spinal Fixation Rod Made of Titanium Alloy
US 8,425,567 B2
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