Dynamic behavior of fiber reinforced composites under multiaxial compression

Kenji Oguni, G. Ravichandran

研究成果: Conference contribution

6 被引用数 (Scopus)

抄録

Results from an experimental investigation on the mechanical behavior of a unidirectional reinforced polymer composite with 50% volume fraction E-glass/vinylester under uniaxial and proportional multiaxial compression are presented. Specimens are loaded in the fiber direction using a servo-hydraulic material testing system for low strain rates and a Kolsky (split Hopkinson) pressure bar for high strain rates, up to 3000 s-1. The results indicate that the compressive strength of the composite increases with increasing levels of confinement and increasing strain rates. Post-test optical and scanning electron microscopy is used to identify the failure modes. The failure mode that is observed in unconfined specimen is axial splitting followed by fiber kink band formation. At high levels of confinement, the failure mode transitions from axial splitting to kink band formation and fiber failure. Also, a new energy based analytic model for studying axial splitting phenomenon in unidirectional fiber-reinforced composites is presented.

本文言語English
ホスト出版物のタイトルAmerican Society of Mechanical Engineers, Applied Mechanics Division, AMD
出版社ASME
ページ87-96
ページ数10
ISBN(印刷版)0791816524
出版ステータスPublished - 1999 12月 1
外部発表はい
イベントThick Composites for Load Bearing Structures - 1999 (The ASME International Mechanical Engineering Congress and Exposition) - Nashville, TN, USA
継続期間: 1999 11月 141999 11月 19

出版物シリーズ

名前American Society of Mechanical Engineers, Applied Mechanics Division, AMD
235
ISSN(印刷版)0160-8835

Other

OtherThick Composites for Load Bearing Structures - 1999 (The ASME International Mechanical Engineering Congress and Exposition)
CityNashville, TN, USA
Period99/11/1499/11/19

ASJC Scopus subject areas

  • 機械工学

フィンガープリント

「Dynamic behavior of fiber reinforced composites under multiaxial compression」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル