70 records found.
Microstructure Development during Creep Deformation of 9Cr–1Mo–V–Nb Steel with Excess Nitrogen Introduced by Solution Nitriding – Multidimensional Scatter Diagram Analysis of STEM-EDS Maps by Machine Learning –
- Article
- Creator
-
Tomotaka Hatakeyama
;
Shuntaro Ida
;
Kota Sawada
;
Kyosuke Yoshimi
- Keyword
- nitrogen, precipitation, scatter diagram method, k-means clustering, creep deformation
- Date published
- 2025-06-15
- Updated at
- 2025-06-16 10:04:29 +0900
Supplemental data to 'A unified model for metallic materials reliability data and its application in NIMS Metallic Materials Database (Kinzoku)'
- Dataset
- Creator
-
Asahiko Matsuda
;
Masahiko Demura
;
Masayoshi Yamazaki
;
Takuya Kadohira
;
Toshihiro Ashino
;
Yoshiyuki Furuya
;
Kota Sawada
;
Nobutaka Nishikawa
- Keyword
- metallic materials, structural materials, database, data format, data model, creep, fatigue
- Date published
- Updated at
- 2025-04-22 11:16:21 +0900
Effect of Cyclic Stress Change on Creep Behavior in ASME P91 Steel
- Article
- Creator
-
Kota Sawada
;
Yasushi Taniuchi
;
Takehiro Nojima
;
Kaoru Sekido
;
Tomotaka Hatakeyama
;
Kazuhiro Kimura
- Keyword
- P91 steel, creep, cyclic stress change, creep ductility, microstructure
- Date published
- 2025-02-01
- Updated at
- 2025-02-03 12:30:27 +0900
Creep data sheet for Nickel-based 19Cr-18Fe-3Mo-5Nb-Ti-Al superalloy
- Article
- Creator
-
Kota Sawada
;
Yasushi Taniuchi
;
Kaoru Sekido
;
Takehiro Nojima
;
Tomotaka Hatakeyama
;
Kazuhiro Kimura
- Keyword
- Nickel-based superalloy, 100,000h creep rupture strength, heat-to-heat variation
- Date published
- 2024-12-31
- Updated at
- 2024-12-05 12:47:31 +0900
Microstructure of Modified 9Cr-1Mo Steel Manufactured via Laser Powder Bed Fusion
- Proceedings
- Creator
-
Tomotaka Hatakeyama
;
Kota Sawada
;
Masaru Suzuki
;
Makoto Watanabe
- Keyword
- Laser powder bed fusion, microstructure, heat resistant steel
- Date published
- Updated at
- 2024-12-05 08:30:58 +0900
CREEP STRENGTH AND MICROSTRUCTURE IN WELDED JOINTS OF ASME GR.91 TYPE 1 AND TYPE 2 STEELS
- Proceedings
- Creator
-
Masatoshi Mitsuhara
;
Katsuhiro Sato
;
Kyohei Nomura
;
Takahiro Kimura
;
Yoshiki Shioda
;
Kota Sawada
;
Kazuhiro Kimura
;
Hideharu Nakashima
- Keyword
- Gr.91 steel, welded joints, creep strength, impurity elements
- Date published
- Updated at
- 2024-11-06 16:31:08 +0900
NONDESTRUCTIVE DETECTION OF CREEP DAMAGE IN ASME GRADE 91 STEEL WELDS
- Proceedings
- Creator
-
Kota Sawada
;
Yasushi Taniuchi
;
Takehiro Nojima
;
Kazuhiro Kimura
;
Takahiro Kimura
;
Kyohei Nomura
;
Noriko Saito
;
Akira Morita
;
Hiroyuki Hayakawa
;
Takao Sugiuchi
;
Kazushige Ohbitsu
;
Masatsugu Yaguchi
;
Koju Nishizawa
;
Hiroshi Ozaki
;
Hayato Fukunishi
;
Kouji Ohi
;
Tomoya Nishioka
;
Naoya Emi
;
Hirokazu Okada
;
Nobuyoshi Komai
;
Kyohei Hayashi
;
Kimihiko Tominaga
- Keyword
- Gr.91 steel welds, creep, damage, nondestructive evaluation
- Date published
- Updated at
- 2024-11-06 16:31:04 +0900
Significant creep-strength improvement in modified 9Cr-1Mo steel via microstructural control through laser powder bed fusion
- Article
- Creator
-
Tomotaka Hatakeyama
;
Kota Sawada
;
Masahiro Kusano
;
Makoto Watanabe
- Keyword
- Creep, Ferritic steels, Laser powder bed fusion, Precipitation, δ-ferrite
- Date published
- 2024-09-18
- Updated at
- 2024-09-26 12:30:07 +0900
Precipitation behavior of the M23C6 phase on the coherent twin boundary of 25Cr-20Ni-Nb-N steel
- Article
- Creator
-
Tomotaka Hatakeyama
;
Kota Sawada
- Keyword
- Austenitic steel, Carbide, Coherent precipitation, Twin boundary
- Date published
- 2024-03-07
- Updated at
- 2024-03-19 16:57:27 +0900