Koyano Tamotsu

Affiliation

Institute of Pure and Applied Sciences

Official title

Associate Professor

Research fields


Physical properties of metals/Metal-base materials
Structural/Functional materials

Research keywords


鉄鋼材料
窒素鋼
材料物性
物性と構造
金属材料

Research projects


高硬度・高窒素ナノ二相鋼の作製と耐熱性に関する基礎研究	2009 -- 2011	古谷野有	Japan Society of for the Promotion of Science/基盤研究(C)	4,680,000Yen
窒素オーステナイトの等温変態曲線の精密測定と表面処理応用の基礎研究	2013 -- 2015	古谷野有	Japan Society of for the Promotion of Science/基盤研究(C)	4,290,000Yen

Degree


	工学博士	Univ. of Tsukuba

Licenses and qualifications


1998-07-24	高圧ガス製造保安責任者(甲種機械)
2003-09-29	エックス線作業主任者

Academic societies


1989-04 -- (current)	THE JAPAN INSTITUTE OF METALS
2001 -- (current)	THE IRON AND STEEL INSTITUTE OF JAPAN

Articles

Martensitic transformation and shape memory effect of TiZrHf-based multicomponent alloys
Tasaki Wataru; Akiyama Yuzuki; Koyano Tamotsu; Miyazak...
JOURNAL OF ALLOYS AND COMPOUNDS/931(167496)/pp.1-11, 2023-01
Novel beta-type high entropy shape memory alloys with low magnetic susceptibility and high biocompatibility
Hashimoto N.; Al-Zain Y.; Yamamoto A.; Koyano T.; Kim He...
Elsevier/287(129286), 2021-03
Comparison of Microstructure and Hardness between High-carbon and High-nitrogen Martensites
Tsuchiyama Toshihiro; Inoue Kurato; Hyodo Katsutoshi; ...
ISIJ International/59(1)/pp.161-168, 2019
CiNii
Difference between carbon and nitrogen in thermal stability of　metastable 18%Cr-8%Ni austenite
Masumura Takuro; Tsuchiyama Toshihiro; Takaki Setsuo; Koy...
Scripta Materialia/154/pp.8-11, 2018-06
Effects of oxygen concentration and temperature on deformation behavior of Ti-Nb-Zr-Ta-O alloys
Wei Le Si; Kim Hee Young; Koyano Tamotsu; Miyazaki Sh...
SCRIPTA MATERIALIA/123/pp.55-58, 2016-10
Effect of Solution Carbon and Nitrogen on the Microstructural Size and Crystallography of Lath Martensite in Fe–N and Fe–C Alloys
Morito Shigekazu; Iwami Yuki; Koyano Tamotsu; Ohba Takuya
MATERIALS TRANSACTIONS/57(3)/pp.227-232, 2016-03
CiNii
A comparative study on the effects of the omega and alpha phases on the temperature dependence of shape memory behavior of a Ti-27Nb alloy
Al-Zain Yazan; Kim Hee Young; Koyano Tamotsu; Hosoda ...
SCRIPTA MATERIALIA/103/pp.37-40, 2015-07
A comparative study on the effects of the w and a phases on the temperature dependence of shape memory behavior of a Ti-27Nb alloy
Yazan Al-Zain; 金　煕榮; 古谷野有; Hideki Hosoda; 宮崎修一
Scripta Materialia/103/pp.37-40, 2015-03
The difference in thermal and mechanical stabilities of austenite between carbon- and nitrogen-added metastable austenitic stainless steels
Masumura Takuro; Nakada Nobuo; Tsuchiyama Toshihiro; T...
ACTA MATERIALIA/84/pp.330-338, 2015-02
Isothermal Transformation in Fe-N Hypereutectoid Alloy
N. Nakada; N. Fukuzawa; T. Tsuchiyama; S. Takaki; Koyano Tamo...
ISIJ International/53(1)/pp.139-144, 2013-01
CiNii
Characterization of Highly Concentrated Bi Donors Wire-δ-Doped in Si
K. Murata; Koyano Tamotsu; P. L. Neumann; Y. Yasutake; K. Nit...
Jpn. J. Appl. Phys/51(11)/p.11PE05, 2012-11
CiNii
Anormalous temperature dependence of the superelastic behaviour of Ti-Nb-Mo alloys
Al-Zain Yazan; H. Y. Kim; T. Koyano; H. Hosoda; T.H Nam; ...
Acta Materiarlia,/59/p.1464-1473, 2011-01
Morphology and Crystallography of Lath Martensite in Fe-N Alloys
森戸茂一; 岩見祐貴; 古谷野有; 大庭卓也
熱処理/49(3)/pp.89-90, 2009-06
CiNii
Production of TiNi amorphous/nanocrystalline wires with high strength and elastic modulus by severe cold drawing
Tsuchiya Koichi; Hada Yasufumi; Koyano Tamotsu; Nakajima ...
SCRIPTA MATERIALIA/60(9)/pp.749-752, 2009-05
Aging effect on martensitic transformation at cryogenic temperatures in Cu-Al-Mn alloy
S. Ii; K. Tsuchiya; T. Koyano
ESOMAT 2009 - The 8th European Symposium on Martensitic Transformations/p.02011, 2009-01
Fabrication of magnetic tunneling junctions with NaCl barriers
Nakazumi Makoto; Yoshioka Daichi; Yanagihara Hideto; Kita...
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS/46(10A)/pp.6618-6620, 2007-10
High Temperature Shape Memory Behavior in Ti-Ta Base Alloy
P. J. S. Buenconseho; H. Y. Kim; T. Koyano; H. Hosoda; S....
Proc. The 11th World Conf. on Titanium, Kyoto, 2007/p.801-804, 2007-01
Mechanical milling process of high nitrogen austenite
Koyano Tamotsu
ISIJ INTERNATIONAL/47(12)/pp.1826-1828, 2007-01
CiNii
Magnetization of α’ iron-nitride produced through the fcc -> bct martensitic transformation in high magnetic field
T. Koyano; T. Nomiyama; N. Kanoh; H. Numata; T. Ohba; E. ...
J. Appl. Phys./100/p.033906, 2006-08
Calibration of a superconducting quantum interference device magnetometer
Koyano T
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS/43(10)/pp.7322-7323, 2004-10
CiNii
Isothermal Martensitic Transformation of γ-FeN in a Magnetic Field
T. Koyano
Mater. Trans., JIM/44/p.2541-2544, 2003-12
X-ray diffraction studies of Fe-N bulk-processed in a magnetic field using synchrotron radiation
Ohba T; Kanou N; Koyano T; Ikeda H; Ohtsuka H; Wada H; Ka...
MATERIALS TRANSACTIONS/44(12)/pp.2537-2540, 2003-12
Martensitic Transformation of γ-FeN in High Magnetic Field and Magnetic Properties of bct Iron Nitrides
古谷野有
Bulletin of the Iron and Steel Institute of Japan/8(3)/pp.143-145, 2003-03
CiNii
Martensitic Transformation of γ-FeN in High Magnetic Field Generated by a Hybrid Magnet
T.Koyano; T.Nomiyama; H.Ikeda; N.Kanoh; T.Ohba; H.Ohtsuka; and ...
J. Materials Research Society of Japan/28/p.235-237, 2003-01
Effect of Magnetic Field on γ→α' Martensitic Transformation and Magnetization of α' and α" Iron-nitrides.
T.Koyano; H.Ikeda; R.Yoshizaki; K.Uehara; A.Tasaki; T.Takamasu...
Mater. Trans., JIM,/41/p.923-927, 2000-01
more...

Conference, etc.

Ti-17合金の高温圧縮特性と組織形成に及ぼす侵入型元素の影響
塚瀬　大規; 岸本　竜介; 古谷野　有; 金熙榮; 宮崎修一; 北嶋　具教; 萩原　益夫
日本金属学会2019年秋期講演大会/2019-09-11--2019-09-13
等温保持中の窒素オーステナイトの組織変化
関口将人; 古谷野有
日本鉄鋼協会第176回秋期講演大会・学生ポスターセッション/2018-9-19--2018-09-21
Zr-Nb-Al合金のマルテンサイト変態特性及び微細組織
石井佑典; 金熙榮; 古谷野　有; 宮崎修一
日本金属学会2019年春期講演大会/2019-03-20--2019-03-22
Ti-17合金の高温変形特性に及ぼす酸素・炭素添加の影響
岸本　竜介; 塚瀬　大規; 古谷野　有; 金熙榮; 宮崎修一; 北嶋　具教; 萩原　益夫
日本金属学会2018年秋期講演大会/2018-09-19--2018-09-21
Zr-Nb-Al三元系合金の集合組織と超弾性特性の組成依存性
石井佑典; 金熙榮; 古谷野　有; 宮崎修一
日本金属学会2018年秋期講演大会/2018-09-19--2018-09-21
窒素オーステナイトの格子定数測定
黒川武紀; 古谷野有; 土山聡宏
日本鉄鋼協会第167回春期講演大会・学生ポスターセッション/2014-03-21--2014-03-23
電気抵抗による過共析オーステナイトの等温変態曲線の測定と組織観察
黒川武紀; 古谷野有; 土山聡宏; 高木節雄
日本鉄鋼協会第165回春期講演大会/2013-03-28
Fe-N合金オーステナイトにおける相変態の特徴
土山聡宏; 中田伸生; 高木節雄; 福澤範英; 築山訓明; 古谷野有
日本鉄鋼協会第164回秋期講演大会/2012-09-19

Intellectural property rights

湾曲検出センサ
古谷野有; 金熙榮; 雨宮　太希

Teaching


2023-04 -- 2023-08	Research in Materials Physics and Engineering IB	University of Tsukuba.
2023-10 -- 2024-02	Research in Materials Physics and Engineering VA	University of Tsukuba.
2023-10 -- 2024-02	Research in Materials Physics and Engineering IIIA	University of Tsukuba.
2023-04 -- 2023-08	Research in Materials Physics and Engineering IVB	University of Tsukuba.
2023-04 -- 2023-08	Research in Materials Physics and Engineering IIIB	University of Tsukuba.
2023-04 -- 2023-08	Research in Materials Physics and Engineering VA	University of Tsukuba.
2023-04 -- 2023-08	Research in Materials Physics and Engineering VB	University of Tsukuba.
2023-10 -- 2024-02	Research in Materials Physics and Engineering IVB	University of Tsukuba.
2023-04 -- 2023-08	Research in Materials Physics and Engineering IIB	University of Tsukuba.
2023-10 -- 2024-02	Research in Materials Physics and Engineering IVA	University of Tsukuba.
more...

Other educational activities


2008-06 -- (current)	筑波大学蹴球部・副部長	University of Tsukuba.
2008-04 -- 2018-06	筑波大学体育会サッカー同好会・顧問	University of Tsukuba.
2008-04 -- 2014-03	筑波大学公認学生団体カレッジサッカーリーグ・顧問	University of Tsukuba.
1998-04 -- 2003-04	筑波大学芸術系サークル連合ＪＡＺＺ愛好会・顧問	University of Tsukuba.

Professional activities


2007-06 -- 2008-05	THE IRON AND STEEL INSTITUTE OF JAPAN	「相変態に及ぼす磁場効果の解明と磁気エネルギー評価」フォーラム
2010-06 -- 2012-05	THE IRON AND STEEL INSTITUTE OF JAPAN	「高炭素・窒素オーステナイトの物性評価と力学特性制御」フォーラム

(Last updated: 2023-04-11)