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Dive into the research topics where Masanao Sekine is active.

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Featured researches published by Masanao Sekine.


Key Engineering Materials | 2012

Investigation of Damping Characteristics of Metals by the Use of Inverted Torsion Pendulum Method

Toshikatsu Asahina; Tadashi Shioya; Takahiro Toguri; Masanao Sekine

Damping characteristics of metals are measured by the use of inversed torsion pendulum method. As the materials, aluminum alloys, magnesium alloys, Inconel etc are used with the temperature and frequency parameters. Mild steel is employed as a reference material for calibrating the apparatus. The measured damping coefficient of magnesium alloys is larger than that of aluminum alloys indicating that the HCP crystal structure has more damping effect than the FCC structure. The damping of these metals increases with temperature. The manner of increment of damping is investigated to analyses the microscopic mechanism of damping.


The Proceedings of the Materials and processing conference | 2004

The strength of C/C Composite Materials fabricated by pre-formed yarn method

Aya Kanai; Masanao Sekine; Koji Fujimoto; Tadashi Shioya


The Proceedings of the Materials and processing conference | 2004

A new data evaluation method for experiments of deformation at high temperature and high strain rate with SHPB

Tadayoshi Syoyama; Masanao Sekine; Koji Fujimoto; Tadashi Shioya


The Proceedings of the Materials and processing conference | 2003

Deformation of Ceramics at High Strain Rate and High Temperature Using Split Hopkinson Pressure Bar Method

Toshifumi Kakiuchi; Chikatomo Hosokawa; Masanao Sekine; Katsuhiko Satoh; Koji Fujimoto; Tadashi Shioya


The Proceedings of Conference of Kanto Branch | 2012

1413 Study on Viscoelastic Behavior of Nickel-Based Superalloy by Inverted Torsion Pendulum Apparatus

Keita Fukumitsu; Shun Takahashi; Masanao Sekine; Koji Fujimoto


The proceedings of the JSME annual meeting | 2010

G0400-1-3 Effect of Crystal Texture on Internal Friction of Pure Copper

Koji Fujimoto; Yusuke Takahashi; Masanao Sekine


The Proceedings of the Materials and processing conference | 2009

527 Effect of Crystal Texture on Internal Friction of Commercially Pure Aluminum

Yusuke Takahashi; Masanao Sekine; Kentaro Yamada; Koji Fujimoto


The Proceedings of the Materials and Mechanics Conference | 2009

OS0212 Cracking and Delamination of Brittle Coating under Equi-Biaxial Tension

Koji Fujimoto; Makoto Ashikaga; Masanao Sekine


The Proceedings of Conference of Hokkaido Branch | 2008

202 純鉄における内部摩擦に及ぼす結晶粒径の影響(機械材料・材料加工(1))

Koji Fujimoto; Toshihide Suzuki; Masanao Sekine


The Proceedings of the Materials and processing conference | 2007

517 Mechanical Properties of C/C Composites Monolayer at Elevated Temperature

Toshiaki Yajima; Masanao Sekine; Koji Fujimoto

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Koji Fujimoto

Tokyo University of Agriculture and Technology

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