Search Results - "Morito, Shigekazu"

Correlation between strength and hardness for substructures of lath martensite in low- and medium-carbon steels by Kwak, Kwangsik, Mine, Yoji, Morito, Shigekazu, Ohmura, Takahito, Takashima, Kazuki

“…In this study, microtensile and nanoindentation tests were systematically performed to evaluate the contribution of the block boundary to yield strength and to…”
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Substructure and crystallography of lath martensite in as-quenched interstitial-free steel and low-carbon steel by Shibata, Akinobu, Miyamoto, Goro, Morito, Shigekazu, Nakamura, Akiko, Moronaga, Taku, Kitano, Houichi, Gutierrez-Urrutia, Ivan, Hara, Toru, Tsuzaki, Kaneaki

“…In this study, the substructures and crystallographic features of as-quenched lath martensite in interstitial-free (IF) steel and low-carbon steel (0.2C steel)…”
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Effect of inhomogeneous microstructure on strength and fracture resistance in sharp edge of Japanese swords by Kwak, Kwangsik, Yamamuro, Takateru, Mine, Yoji, Morito, Shigekazu, Takashima, Kazuki

“…Microtensile and microfracture tests were performed on the sharp-edge regions of Japanese swords fabricated in the Muromachi and Showa periods, which are…”
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Comparison of TiN-coated tools using CVD and PVD processes during continuous cutting of Ni-based superalloys by Koseki, Shuho, Inoue, Kenichi, Morito, Shigekazu, Ohba, Takuya, Usuki, Hiroshi

“…High-strength, low-conducting Ni-based superalloys require higher cutting force and cutting temperature than other materials during the machining process. To…”
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Lath and Butterfly Composite Martensite Microstructure of a Medium-carbon Steel and its Quantitative Evaluation by Hayashi, Taisuke, Morito, Shigekazu, Ohba, Takuya

“…Low-alloy medium carbon steel martensite that is obtained by quenching from austenite is composed of lath and butterfly types of martensite. Lath martensite is…”
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Wear mechanisms of PVD-coated cutting tools during continuous turning of Ti-6Al-4V alloy by Koseki, Shuho, Inoue, Kenichi, Sekiya, Katsuhiko, Morito, Shigekazu, Ohba, Takuya, Usuki, Hiroshi

“…•Damage of PVD-coated cutting tool during titanium alloy turning was investigated.•TiN coating on cutting tool wore faster than actual cemented carbide…”
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Evaluation of the block boundary and sub-block boundary strengths of ferrous lath martensite using a micro-bending test by Shibata, Akinobu, Nagoshi, Takashi, Sone, Masato, Morito, Shigekazu, Higo, Yakichi

“…▶ The sub-block boundaries contribute very little to the macroscopic strength of lath martensite. ▶ The presence of a block boundary greatly increased the…”
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Interpretability of Deep Learning Classification for Low-Carbon Steel Microstructures by Maemura, Tatsuya, Terasaki, Hidenori, Tsutsui, Kazumasa, Uto, Kyohei, Hiramatsu, Shogo, Hayashi, Kotaro, Moriguchi, Koji, Morito, Shigekazu

“…In this paper, a model is developed to identify the microstructure of low-carbon steel by deep learning. In classifying steel microstructures using a machine…”
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Three-dimensional Characterisation of Microstructures in Low-carbon Lath Martensite by Morito, Shigekazu, Pham, Anh Hoang, Hayashi, Taisuke, Miyamoto, Goro, Furuhara, Tadashi

“…The toughness of martensitic steels is strongly related to their fine and complex morphologies. To control the toughness of martensitic steels, the effect of…”
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Effect of Cyclic Uniaxial Pressure in Pulse-Current Sintering on Microstructure of Bi2Te3-Based Thermoelectric Materials by Suzuki, Ayako, Kitagawa, Hiroyuki, Hirayama, Kazuaki, Pham, Anh Hoang, Morito, Shigekazu, Etoh, Takao, Kikuchi, Kotaro

“…Various cyclic uniaxial pressure patterns have been applied to a powder of Bi 0.4 Sb 1.6 Te 3 thermoelectric material during the pulse-current sintering…”
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Selective growth of single-grain crystal in Al thin film by micron chevron-shaped laser beam scanning by Pham, Anh Hoang, Yeh, Wenchang, Morito, Shigekazu, Ohba, Takuya

“…Polycrystalline Al film has been widely used in electronics and plasmonics, but the high density of grain boundaries causes conductivity deterioration,…”
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Microstructural fatigue crack growth in single-packet structures of ultra-low carbon steel lath martensite by Ueki, Shohei, Matsumura, Takuya, Mine, Yoji, Morito, Shigekazu, Takashima, Kazuki

“…Fatigue crack growth in single-packet structures with different habit-plane orientations was examined using miniature compact-tension specimens of ultra-low…”
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Effect of Solution Carbon and Nitrogen on the Microstructural Size and Crystallography of Lath Martensite in Fe–N and Fe–C Alloys by Morito, Shigekazu, Iwami, Yuki, Koyano, Tamotsu, Ohba, Takuya

“…Microstructures of lath martensite that contains bcc or bct martensite crystals in Fe–C alloys are known to depend on the carbon content of the alloys. The…”
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Thermoelectric properties of crystal-aligned bismuth antimony tellurides prepared by pulse-current sintering under cyclic uniaxial pressure by Kitagawa, Hiroyuki, Takimura, Kodai, Ido, Shota, Morito, Shigekazu, Kikuchi, Kotaro

“…Pulse-current sintering under cyclic uniaxial pressure (PCS-cyclic) was applied to p-type Bi2−xSbxTe3 (x = 1.5, 1.6, and 1.7) to obtain sintered materials with…”
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Rapid annealing of Au thin films by micron chevron-shaped laser beam scanning toward growth of single-grain crystal by Pham, Anh Hoang, Fukunaga, Naruki, Yeh, Wenchang, Morito, Shigekazu, Ohba, Takuya

“…A practicable solution to reduce the density of grain boundaries in metal thin films in order to improve their physical properties, and compatibility with…”
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A methodology of steel microstructure recognition using SEM images by machine learning based on textural analysis by Tsutsui, Kazumasa, Terasaki, Hidenori, Uto, Kyohei, Maemura, Tatsuya, Hiramatsu, Shogo, Hayashi, Kotaro, Moriguchi, Koji, Morito, Shigekazu

“…•Textural-based recognitions of SEM images of low-carbon steels are demonstrated.•Combination with tree-based algorithms and majority voting successfully…”
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Carbon Enrichment in Retained Austenite Films in Low Carbon Lath Martensite Steel by Morito, Shigekazu, Oh-ishi, Keiichiro, Hono, Kazuhiro, Ohba, Takuya

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Application of Newton's method for precise calculation of parent orientation and orientation relationship from orientations of daughter phase by Pham, Anh Hoang, Ohba, Takuya, Morito, Shigekazu, Hayashi, Taisuke

“…For any quantitative study on microstructure of a product phase, information on the parent orientation and orientation relationship is essential, yet it is…”
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Lateral growth of a twin-free Si stripe longer than 1 mm as a result of rotation suppression by Yeh, Wenchang, Shirakawa, Toshiki, Hoang Pham, Anh, Morito, Shigekazu

“…Rotation of the crystal orientation of a laterally grown grain in Si thin film was investigated with the micro-chevron laser beam scanning ( CLBS) method. The…”
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Quantitative analysis of three-dimensional morphology of martensite packets and blocks in iron-carbon-manganese steels by Morito, Shigekazu, Edamatsu, Yuma, Ichinotani, Kenta, Ohba, Takuya, Hayashi, Taisuke, Adachi, Yoshitaka, Furuhara, Tadashi, Miyamoto, Goro, Takayama, Naoki

“…► The three-dimensional morphologies of lath martensite were observed. ► Lath martensite contains coarse and small packets in a prior austenite grain. ► The…”
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