Oral presentations

• O01
  Initiatives to carbon-neutrality in R&D of steel products
  Kaori Kawano
  Nippon Steel Corporation, Japan
• O02
  Fatigue damage development associated with microstructure and alloying effects in carburized steels
  Kip O. Findley*, Milan Agnani, Ashlyn Orr, Charles M. Enloe, Eun Jung Seo, John G. Speer, Robert L. Cryderman, David K. Matlock
  Colorado School of Mines, USA
• O03
  Specificity and universality in variant pairings of lath, butterfly, lens and thin-plate martensites: perspective from geometrical theory
  Tomonari Inamura*, Nozomi Takahashi, Yuri Shinohara, Hiroyuki Kawata, Yasuaki Tanaka
  Institute of Science Tokyo, Japan
• O04
  Internal stress state of martensite in low-carbon steel: a phase-field study
  Yuhki Tsukada*, Akio Yoshida, Toshiyuki Koyama
  Nagoya University, Japan
• O05
  Effect of microstructure formation process during martensitic transformation on inhomogeneous properties in steels
  Shoichi Nambu
  The University of Tokyo, Japan
• O06
  Quantification and effects of microstructural dispersions on the mechanical behaviour of as-quenched martensite
  Juan Macchi, Imed-Eddine Benrabah, Julien Teixeira, Guillaume Geandier, Sabine Denis, Frédéric Bonnet, Sébastien Allain*
  Institut Jean Lamour, France
• O07
  Local crack arrestability of hydrogen-related fracture in high-strength martensitic steel
  Akinobu Shibata*, Ivan Gutierrez-Urrutia, Akiko Nakamura, Taku Moronaga, Kazuho Okada, Yazid Madi, Jacques Besson, Toru Hara
  National Institute for Materials Science, Japan
• O08
  Brittle-to-ductile transition in martensite - bainite steels
  Masaki Tanaka
  Kyushu University, Japan
• O09
  Multi-aspect characterization of low-temperature tempering behaviors in high-carbon martensite
  Yongjie Zhang*, Satoshi Morooka, Stefanus Harjo, Goro Miyamoto, Tadashi Furuhara
  Tohoku University, Japan
• O10
  Characterization of the precipitation sequence of transition carbides from carbon clusters by transmission electron microscopy
  Yasuhito Kawahara*, Jun Takahashi, Hideaki Sawada, Kenji Kaneko
  Kyushu University, Japan
• O11
  Formation mechanism of metastable carbides and carbon-clustering behaviour in Fe-C martensite
  Masanori Enoki*, Hiroshi Ohtani
  Shimane University, Japan
• O12
  Kinetics of carbon ordering and clustering in carbon-supersaturated iron
  Philippe Maugis
  Aix-Marseille University, France
• O13
  Utilizing chemical heterogeneity in displacive transformed microstructure
  Guiyoung Gu, Ji Hoon Kim, Dong-Woo Suh*
  POSTECH, Republic of Korea
• O14
  Microstructure and plastic deformation behavior of Si-bearing bainitic steels with different carbon contents
  Rintaro Ueji*, Wu Gong, Stefanus Harjo, Takuro Kawasaki, Akinobu Shibata, Yuuji Kimura, Tadanobu Inoue, Noriyuki Tsuchida
  National Institute for Materials Science, Japan
• O15
  Atomistic modeling of fcc to bcc transformation
  Yasushi Shibuta
  The University of Tokyo, Japan
• O16
  Possibility of block boundary design for further strengthening in martensitic steels
  Toshihiro Tsuchiyama*, Takuro Masumura, Yongjie Zhang
  Kyushu University, Japan
• O17
  Engineering metastable austenite in additively manufactured ultra-high strength steels
  Hao Chen*, Yingjie Yao, Jinhua Wang
  Tsinghua University, China
• O18
  Microstructure characterization in steel under ultrafast heating and cooling by femtosecond X-ray diffraction techniques
  Mitsuharu Yonemura
  Nippon Steel Corporation, Japan
• O19
  BCC/FCC martensitic transformation and thermoelasticity in Fe alloys
  Toshihiro Omori
  Tohoku University, Japan

Poster presentations

(Category 1)

• P01
  Analysis of development of the medium carbon low alloy martensite inclusive of coarse martensite regions
  Shigekazu Morito*, Taisuke Hayashi, Anh Hoang Pham
  Shimane University, Japan
• P02
  Changes in lattice parameters of austenite and martensite during martensitic transformation and tempering in Fe-18Ni alloy
  Wu Gong*, Stefanus Harjo, Yo Tomota, Satoshi Morooka, Takuro Kawasaki, Akinobu Shibatab, Nobuhiro Tsuji
  Japan Atomic Energy Agency, Japan
• P03
  Change in variant pairs with progression of transformation in lath martensite
  Nozomi Takahashi*, Yuri Shinohara, Hiroyuki Kawata, Tomonari Inamura
  Institute of Science Tokyo, Japan
• P04
  Spatial distribution of incompatibility in thin-plate martensite microstructure of steel
  Yuri Shinohara*, Mayuko Hishida, Yasuaki Tanaka, Tomonari Inamura
  The University of Electro-Communications, Japan

(Category 2)

• P05
  cancelled
• P06
  Influence of prior austenite grain boundary misorientation on hydrogen-induced crack propagation in a medium carbon martensitic steel
  Ji Hoon Kim*, Goro Miyamoto, Akinobu Shibata, Tomohiko Hojo, Motomichi Koyama, Yongjie Zhang, Tadahi Furuhara
  Tohoku University, Japan
• P07
  Characterization of strain distribution and microstructure at crack nucleation sites in martensitic steel subjected to tensile deformation
  Norimitsu Koga*, Motoki Fujita, Kosuke Shibata, Shigenobu Nanba
  Kanazawa University, Japan
• P08
  Strengthening by annealing of partially deformation-induced transformed microstructure in type 304 stainless steel
  Takuro Masumura*, Keita Rikiyama, Toshihiro Tsuchiyama
  Kyushu University, Japan
• P09
  Deformation-induced martensitic transformation behavior at cryogenic temperatures in an austenitic stainless steel studied by in situ neutron diffraction experiments
  Yudai Sasaki*, Noriyuki Tsuchida, Rintaro Tsuda, Tomoya Kawabata
  University of Hyogo, Japan
• P10
  Microscale observations of plastic deformation in lath martensitic steels using the digital image correlation method and the electron backscatter diffraction pattern method
  Kotaro Ueno*, Koutarou Hayashi, Shunji Hiwatashi, Manabu Takahashi
  Kyushu University, Japan
• P11
  Effect of loading rate on fracture toughness of low alloy martensitic steels in high pressure hydrogen gas
  Yuta Nakamura*, Yohichi Kayamori, Tomohiko Omura, Misaho Yamamura
  Nippon Steel Corporation, Japan
• P12
  cancelled
• P13
  Atomic-scale modelling of boundaries characterized lath martensite microstructure for hydrogen-induced crack initiation: A machine learning interatomic potentials study
  Kazuki Matsubara*, Shusaku Takagi, Fan-Shun Meng, Shigenobu Ogata, Nobuyuki Ishikawa
  JFE Steel Corporation, Japan
• P14
  Effects of P and S on low temperature toughness of tempered martensite in low alloy steel
  Hiro Ogawa*, Tetsuya Namegawa, Yusaku Tomio
  Nippon Steel Corporation, Japan
• P15
  Role of prior austenite grain boundary and retained austenite in strain localization of medium-carbon high-strength steels
  Wujun Yin*, Fabien Briffod, Haoyu Hu, Kazuhiko Yamazaki, Takayuki Shiraiwa, Manabu Enoki
  The University of Tokyo, Japan
• P16
  Effect of V addition on the hydrogen embrittlement susceptibility of 1100 MPa steel fasteners
  Michelle Kent*, Emmanuel De Moor, Kip Findley
  Colorado School of Mines, USA
• P17
  Improvement of fatigue limit by pre-fatigue deformation in 1.6 GPa-grade as-quenched martensitic steel
  Kazuho Okada*, Akinobu Shibata, Eri Nakagawa, Kaneaki Tsuzaki
  National Institute for Materials Science, Japan
• P18
  Deformation behavior of ultrafine-grained TRIP steel observed by neutron diffraction
  Wenqi Mao, Wu Gong, Takuro Kawasaki, Si Gao, Stefanus Harjo*, Nobuhiro Tsuji
  Japan Atomic Energy Agency, Japan
• P19
  Role of dislocation characteristics on deformation behavior of martensitic steel analyzed by neutron diffraction
  Hiroyuki Dannoshita*, Hiroshi Hasegawa, Sho Higuchi, Hiroshi Matsuda, Wu Gong, Takuro Kawasaki, Stefanus Harjo, Osamu Umezawa
  Institute of Science Tokyo, Japan
• P20
  Shear band development in bending of coarse-grained martensitic steel sheets
  Yuma Asada*, Shohhei Yabu, Yuri Kitajima, Shigeru Yonemura, Shunji Hiwatashi, Naoki Maruyama
  Nippon Steel Corporation, Japan
• P21
  Hydrogen trapping by dual precipitates in very strong martensitic steel
  Hung-Wei Yen*, Chin-En Chou, Yi-Hsuan Sun, Steve Woei Ooi, Ranming Niu, Yi-Sheng Chen, Julie M. Cairney
  National Taiwan University, Taiwan
• P22
  Cyclic transformation strengthening in Fe-24Ni-0.3C metastable austenitic steel
  Mayu Dono*, Si Gao, Myeong-Heom Park, Nobuhiro Tsuji
  Kyoto University, Japan

(Category 3)

• P23
  Calculation of grain boundary segregation of solute elements in Fe-C-Mn-P alloys
  Mariko Egami*, Yuya Murata, Kazushi Hayashi, Shigenobu Nanba, Ikuo Ohnuma, Taku Moronaga, Toru Hara, Takahito Ohmura
  Kobe Steel Ltd., Japan
• P24
  Room temperature aging of autotempered low-to-medium carbon martensitic steel
  Naoki Maruyama*, Shinichiro Tabata
  Osaka University, Japan
• P25
  Microstructure evolution and properties of the high temperature pressure vessel steel
  Yu-Wen Chen*, Tsung-Feng Wu
  China Steel Corporation, Taiwan

(Category 4)

• P26
  Influence of austenitizing temperature on acicular ferrite formation on Ti-Rare Earth Metal (REM)-Zr oxide in low carbon steel
  Hidenori Nako*, Yongjie Zhang, Goro Miyamoto, Tadashi Furuhara
  Kobe Steel, Ltd., Japan
• P27
  Effect of phosphorus on bainite transformation in low carbon steel
  Taku Miyakawa*, Yukiko Kobayashi, Kengo Takeda, Katsuya Nakano, Takafumi Yokoyama
  Nippon Steel Corporation, Japan
• P28
  The effect of deformation on the bainite transformation kinetics
  Imed-Eddine Benrabah*, Arina Deboer, Guillaume Geandier, Hugo Van Landeghem, Christopher Hutchinson, Yves Brechet, Hatem Zurob
  Université de Lorraine, France

(Category 5)

• P29
  cancelled
• P30
  Development of a H13 modified alloy powder for large 3D printed molds
  Takashi Yoshimoto*, Yoshiki Kumagai, Kosuke Tomiyama, Tetsuya Masuda
  Daido Steel Co., Ltd., Japan
• P31
  In situ neutron diffraction study to elucidate hydrogen effect on the deformation mechanism in Type 310S austenitic stainless steel
  Tatsuya Ito*, Yuhei Ogawa, Wu Gong, Wenqi Mao, Takuro Kawasaki, Kazuho Okada, Akinobu Shibata, Stefanus Harjo
  Japan Atomic Energy Agency, Japan
• P32
  In-situ alloyed low density ultrahigh strength steels via additive manufacturing
  Xiaopei Wang*, Wenhua Wu, Zhigang Yang, Hao Chen
  University of Science and Technology Beijing, China
• P33
  Friction / wear and rolling contact fatigue properties under oil lubrication in steels with ultrafine martensitic structure surface-treated by repeated induction heating and quenching
  Yoshikazu Todaka*, Nozomu Adachi, Gen Ishikawa, Masahiro Tsukahara, Osamu Idohara, Yoshinori Shiihara, Masatoshi Mitsuhara, Atsushi Kubo
  Toyohashi University of Technology, Japan

(Category 6)

• P34
  Study of hole expansion ratio of advanced high-strength steel sheets
  Seung-Ho Lee, Woojin Cho, Deunbom Chung, Jewoong Lee, Sung-Il Kim, Heung Nam Han*
  Seoul National University, Republic of Korea
• P35
  Effect of the amount of Ti and N on the dispersion state of TiN in low alloyed steel
  Akira Doi*, Yusaku Tomio, Yuji Arai
  Nippon Steel Corporation, Japan
• P36
  The effects of pre-existed austenite fraction on the phase constitution of martensite and retained austenite in intercritical-annealed medium Mn steel
  Kazuki Endoh*, Takako Yamashita, Yuki Toji, Yuji Tanaka, Hiromi Yoshida, Shinjiro Kaneko
  JFE Steel Corporation, Japan
• P37
  Recrystallization during tempering in high strength steel plates
  Yuya Sato*, Shunichi Tachibana
  JFE Steel Corporation, Japan
• P38
  cancelled