Search Results - "Watanabe, Tadao"

Grain boundary engineering: historical perspective and future prospects by Watanabe, Tadao

“…A brief introduction of the historical background of grain boundary engineering for structural and functional polycrystalline materials is presented herewith…”
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Control of grain boundary connectivity based on fractal analysis for improvement of intergranular corrosion resistance in SUS316L austenitic stainless steel by Kobayashi, Shigeaki, Kobayashi, Ryosuke, Watanabe, Tadao

“…The connectivity of high energy random boundaries was investigated on the basis of the fractal analyses of grain boundary microstructures in SUS316L stainless…”
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A new approach to grain boundary engineering for nanocrystalline materials by Kobayashi, Shigeaki, Tsurekawa, Sadahiro, Watanabe, Tadao

“…A new approach to grain boundary engineering (GBE) for high performance nanocrystalline materials, especially those produced by electrodeposition and…”
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A mechanism of grain growth-assisted intergranular fatigue fracture in electrodeposited nanocrystalline nickel–phosphorus alloy by Kobayashi, Shigeaki, Kamata, Akiyuki, Watanabe, Tadao

“…Quantitative investigation of the grain growth and resultant change in grain boundary microstructure during high-cycle fatigue was performed to understand…”
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Effects of grain boundary- and triple junction-character on intergranular fatigue crack nucleation in polycrystalline aluminum by Kobayashi, Shigeaki, Inomata, Toshiyuki, Kobayashi, Hiroyuki, Tsurekawa, Sadahiro, Watanabe, Tadao

“…The effects of grain boundary- and triple junction-character on intergranular fatigue crack nucleation were studied in coarse-grained polycrystalline aluminum…”
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In situ observations of crack propagation and role of grain boundary microstructure in nickel embrittled by sulfur by Kobayashi, Shigeaki, Maruyama, Tatsuya, Saito, Sakae, Tsurekawa, Sadahiro, Watanabe, Tadao

“…In situ observations of crack propagation in sulfur-doped coarse-grained nickel were performed for the specimens with grain boundary microstructure…”
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Effect of grain boundary microstructure on fatigue crack propagation in austenitic stainless steel by Kobayashi, Shigeaki, Nakamura, Manabu, Tsurekawa, Sadahiro, Watanabe, Tadao

“…The effect of grain boundary microstructure on fatigue crack propagation in austenitic stainless steel was investigated in order to control fatigue crack…”
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Toughening of brittle materials by grain boundary engineering by Watanabe, Tadao, Tsurekawa, Sadahiro

“…Microstructural aspects of fracture processes and the origin of the brittleness in brittle materials are discussed in connection with structure-dependent…”
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High temperature magnetic strengthening in iron-based alloys: Magnetic effects on deformation and fracture, revisited by Watanabe, Tadao

“…The importance of magnetic effects upon mechanical properties of ferromagnetic materials, discussed by Zener almost a half century ago, has been revisited in…”
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Grain boundary character distribution and texture evolution during surface energy-driven grain growth in nanocrystalline gold thin films by Kobayashi, Shigeaki, Takagi, Hiroki, Watanabe, Tadao

“…The evolution of grain boundary microstructure during annealing in sputtered gold thin films was investigated on the basis of FEG-SEM/EBSD/OIM analyses of…”
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Potential barrier at grain boundaries in polycrystalline silicon: influence of grain-boundary character and copper/iron contamination by Tsurekawa, Sadahiro, Takahashi, Hiroaki, Nishibe, Yumi, Watanabe, Tadao

“…We used Kelvin probe force microscopy to measure the potential barrier associated with grain boundaries in B-doped p-type polycrystalline silicon. The…”
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Roles of grain boundary microstructure in high-cycle fatigue of electrodeposited nanocrystalline Ni–P alloy by Kobayashi, Shigeaki, Kamata, Akiyuki, Watanabe, Tadao

“…The fatigue properties and the morphology of the specimen surface and fracture surface were investigated in electrodeposited nanocrystalline Ni–P alloy…”
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Grain boundary hardening and triple junction hardening in polycrystalline molybdenum by Kobayashi, Shigeaki, Tsurekawa, Sadahiro, Watanabe, Tadao

“…The grain boundary and triple junction hardenings in molybdenum with different carbon content were studied in connection with the character and the…”
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A new challenge : grain boundary engineering for advanced materials by magnetic field application by WATANABE, Tadao, TSUREKAWA, Sadahiro, XIANG ZHAO, LIANG ZUO, ESLING, Claude

“…This paper gives an overview of “Grain boundary engineering (GBE) for advanced materials by magnetic field application” based on recent experimental work…”
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Influence of Na2O on Phase Relation between Mold Flux Composition and Cuspidine by Hanao, Masahito, Kawamoto, Masayuki, Watanabe, Tadao

“…Phase relation between mold flux composition and cuspidine was researched fundamentally. Solidification temperatures of the mold flux were measured at various…”
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Prevention of Slab Surface Transverse Cracking by Microstructure Control by Kato, Toru, Ito, Yoshiki, Kawamoto, Masayuki, Yamanaka, Akihiro, Watanabe, Tadao

“…Slab surface transverse cracking is well known to be induced by strain concentration at film-like primary ferrite, i.e. allotriomorphs of ferrite formed along…”
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Prediction of Density of Carbon Steels by Mizukami, Hideo, Yamanaka, Akihiro, Watanabe, Tadao

“…The change in the density of carbon steel with phase at a temperature range from 1 000 to 1 973 K has been studied by a sessile drop profile method…”
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High Temperature Deformation Behavior of Peritectic Carbon Steel during Solidification by Mizukami, Hideo, Yamanaka, Akihiro, Watanabe, Tadao

“…Phase dependence of tensile strength of Fe-C binary steel and peritectic carbon steel during and after solidification has been studied by a technique for high…”
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The Control of Oxidation-Induced Intergranular Embrittlement by Grain Boundary Engineering in Rapidly Solidified Ni-Fe Alloy Ribbons by Yamaura, Shin-ichi, Tsurekawa, Sadahiro, Watanabe, Tadao

“…The relation between grain boundary microstructure and oxidation-induced intergranular embrittlement has been investigated in rapidly solidified and…”
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Generation of Hydrogen Gas from Solidified Shell Surface at Initial Stage of Solidification of Carbon Steel by Mizukami, Hideo, Hara, Masashi, Shirai, Yoshihisa, Watanabe, Tadao

“…The generation of hydrogen gas from the surface of solidified shell of carbon steel was confirmed by the experiments of both collecting gas from shell surface…”
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