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Quantitative analysis of three dimensional images of dimple and stretch zone
ディンプルとストレッチゾーンの3次元画像定量解析

Kenjiro KOMAI, Kohji MINOSHIMA, Hiromitsu MORITA
1990 Journal of the Society of Materials Science Japan  
The fracture surface reconstruction technique has been applied to dimple and stretch zone patterns to elucidate the quantitative relationship between three-dimensional parameters of fracture surfaces and material properties. The followings have been made clear. Testing temperature of Charpy impact tests is closely related to the averaged ratio of surface area and the averaged depth of dimples irrespective of kinds of steels; the higher the former, the greater the latter in dimple fracture
more » ... es. Similarly, the greater the absorbed energy is, the greater the averaged ratio of surface area and the averaged depth of dimples become. When the height of stretch zone is high, the height can be automatically and precisely deduced without human assistance.
doi:10.2472/jsms.39.1311 fatcat:6r57istdqzdf5eze57a6jstuuq

Occurrence of Juveniles of Two Bathymasterid Species from Hokkaido, Japan
北海道から得られたメダマウオ科2種の稚魚

Hisayoshi Wakimoto, Kunio Amaoka
1994 Japanese Journal of Ichthyology  
Tomoyuki Komai and Mr. Hiromitsu Endo (HUMZ) for their assistance.  ... 
doi:10.11369/jji1950.41.222 fatcat:yjraeg4uq5gkfoeezd6k76gb6m

A new species of the thorid shrimp genus Eualus Thallwitz, 1892 (Crustacea: Decapoda: Caridea) from the Bering Sea, with notes on related species

T. Komai, Grave S. De
2015 Arthropoda Selecta  
, Hayashi, 2003; Komai, Fujiwara, 2012] .  ...  Nöel 1978 Komai, Fujiwara 2012] . The status of E. gaimardii (H.  ... 
doi:10.15298/arthsel.24.3.05 fatcat:w4sqhpxyzba6diuifgjedd46fm

Tracing and Visualizing Variation of Chatter for In-Process Identification of Preferred Spindle Speeds

Hiromitsu Morita, Toru Yamashita
2012 Procedia CIRP  
Yasuhiro KOMAI took initiatives in advancing the research. Support from Mitsubishi Heavy Industories, Ltd. Aerospace Systems is appreciated. Dr.  ... 
doi:10.1016/j.procir.2012.10.003 fatcat:x2n5yrq5abbjjgym3eplectrde

Tidal current measurement in the Kurushima Strait by the reciprocal sound transmission method

Yudi Adityawarman, Arata Kaneko, Naokazu Taniguchi, Hidemi Mutsuda, Katsuaki Komai, Xinyu Guo, Noriaki Gohda
2012 Acoustical Science and Technology  
Hiromitsu Ichiki for his contribution in observation and data analysis. Dr. Yoshio Takasugi is greatly acknowledged for the kindest support in the instrumentation.  ... 
doi:10.1250/ast.33.45 fatcat:653qcnyh2fgb3oemrmve5lvtue

Annual Table of Contents

2014 Journal of the Ceramic Society of Japan  
Masaru Yamashita, Sachiko Matsumoto, Tomoko Akai, Hajime Sugita, Yukari Imoto, Takeshi Komai and Hirofumi Sakanakura ...... [12] ... 1020 Transition in micro/nano-scale mechanical properties of ZrO 2 /  ...  Naoyuki Kitamura, Naoki Hirao, Kohki Takahashi, Hiroaki Uchiyama and Hiromitsu Kozuka ...... [10] ... 917 Improvement in matrix microstructure of SiC/SiC composites by incorporation of pore-forming powder  ... 
doi:10.2109/jcersj2.122.i-1 fatcat:pl2rmrxbovgcxizxe7d4jdx6yu

Pheophytinization of Eight Chlorophyll Derivatives in Aqueous Acetone

Hitoshi Mazaki, Tadashi Watanabe, Terumi Takahashi, Andreas Struck, Hugo Scheer
1992 Bulletin of the Chemical Society of Japan  
Extraction of Divalent Metals as Dihydrobis(l-pyrazolyl)borate Chelates 781 KOMA, Norio Orientations of a Nematic Liquid Crystal in Sandwich-Type Cells Studied by Polarized Electronic Absorp tion Spectra 3135 KOMAI  ...  the Charge Resonance Band 909 TERADA, Akira A Formation of a Fusarubin Carbon Skeleton 2854 TERAI, Tadamasa Crystal and Molecular Structure of 1,5-Secograyanotoxin-1,3,6,14,16-pentaacetate 3482 TERAO, Hiromitsu  ... 
doi:10.1246/bcsj.65.3212 fatcat:slgk4skvs5drjegkpyu6qyiyli

Epimerization of Chlorophyll Derivatives. V. Effects of the Central Magnesium and Ring Substituents on the Epimerization of Chlorophyll Derivatives

Hitoshi Mazaki, Tadashi Watanabe, Terumi Takahashi, Andreas Struck, Hugo Scheer
1992 Bulletin of the Chemical Society of Japan  
Divalent Metals as Dihydrobis(l-pyrazolyl)borate Chelates 781 KOMA, Norio Orientations of a Nematic Liquid Crystal in Sandwich-Type Cells Studied by Polarized Electronic Absorp tion Spectra 3135 KOMAI  ...  the Charge Resonance Band 909 TERADA, Akira A Formation of a Fusarubin Carbon Skeleton 2854 TERAI, Tadamasa Crystal and Molecular Structure of 1,5-Secograyanotoxin-1,3,6,14,16-pentaacetate 3482 TERAO, Hiromitsu  ... 
doi:10.1246/bcsj.65.3080 fatcat:ywdsmbedcjdprnsvuplh47ukiy

Phylogeny of the Family Platycephalidae and Related Taxa (Pisces : Scorpaeniformes)

Hisashi Imamura
1996 Species Diversity  
(Natural History Museum and Institute, Chiba) and Hiromitsu Endo (BSKU) for discussion and valuable advice, and to my friends Kouichi Hoshino, Fumihito Muto, Tomoki Shimokawa, Tomoaki S.  ...  Institute, Nagasaki), Toru Miki (Himeji City Aquarium), Kiyoniri Nishida (Osaka Aquarium Ring of Fire), Minoru Ishida (Nansei National Fisheries Research Institute, Kouchi), Kunio Sasaki (BSKU), Tomoyuki Komai  ... 
doi:10.12782/specdiv.1.123 fatcat:pgrigxnpojdvrnqcuenb5end5q