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Dive into the research topics where Munehiro Kawamura is active.

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Featured researches published by Munehiro Kawamura.


Journal of Composite Materials | 2005

Unambiguous Determination of 3D Fiber Orientation Distribution in Thermoplastic Composites Using SAM Image of Elliptical Mark and Interference Fringe

Munehiro Kawamura; Satoshi Ikeda; Satoru Morita; Yukio Sanomura

The in-plane angle determined using an optical reflection microscope with an image analyzer is ambiguous, because the same elliptical image would be obtained for a fiber. A method of determining the three-dimensional (3D) fiber orientation distribution using the scanning acoustic microscopy (SAM) image of an elliptical mark and interference fringe is proposed. The interference fringe appearing in the composite in the direction of a fiber is observed by SAM. One can easily determine the in-plane angle without ambiguity by adopting this information of interference fringes. It is shown that this technique is effective for the determination of the 3D fiber orientation distribution in plaque and cylindrical composite parts.


Polymer Composites | 2003

Fiber orientation control of short-fiber reinforced thermoplastics by ram extrusion

Yukio Sanomura; Munehiro Kawamura


Polymer Composites | 2007

Effects of process conditions on Young's modulus and strength of extrudate in short-fiber-reinforced polypropylene

Yukio Sanomura; Kunio Hayakawa; Mamoru Mizuno; Munehiro Kawamura


Seikei-kakou | 1997

Measurement of Three Dimensional Fiber Orientation Distribution in Fiber Reinforced Thermoplastics Using Scanning Acoustic Microscopy

Munehiro Kawamura; Satoru Morita; Minoru Tanaka; Teruo Tachibana


Seikei-kakou | 2006

Effect of Process Conditions on Young's Modulus and Strength of Extrudate in Short-Fiber-Reinforced Polypropylene

Yukio Sanomura; Kunio Hayakawa; Mamoru Mizuno; Munehiro Kawamura


Seikei-kakou | 2001

Measurement of 3D Fiber Orientation in FRP Using Elliptical Marks and Fringe Patterns Observed through SAM

Munehiro Kawamura; Satoshi Ikeda; Satoru Morita; Yukio Sanomura


The Proceedings of Conference of Kanto Branch | 2006

10409 Elastic Constant and fracture of Extruded Short Fiber Reinforced Polymer Composites

Yukio Sanomura; Kunio Hayakawa; Mamoru Mizuno; Munehiro Kawamura


The Proceedings of The Computational Mechanics Conference | 2003

Prediction of Young's Modulus and strength of Extrudate in Short-Fiber-Reinforced Polypropylene by fiber orientation parameter

Yukio Sanomura; Munehiro Kawamura


Seikei-kakou | 2003

An Analysis of 3D Fiber Orientation Distribution Using a Clustering Method in Image Processing

Munehiro Kawamura; Satoru Morita; Satoshi Ikeda; Fumiaki Tomonaga; Toshio Inoue; Naoki Mori; Masaaki Omoto; Yukio Sanomura


Proceedings of the 1992 Annual Meeting of JSME/MMD | 2001

361 Measurement of 3D Fiber Orientation in FRP Observed Through SAM

Munehiro Kawamura; Yukio Sanomura; Satoshi Ikeda

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Mamoru Mizuno

Akita Prefectural University

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