Effects of temperature on the bearing strength of CF/epoxy pinned joints

Nori Yoshi Hirano, Yoshihiro Takao, Wen Xue Wang

研究成果: Contribution to journalArticle査読

23 被引用数 (Scopus)

抄録

Pinned joint bearing tests are conducted at room temperature (25°C) and at high (150°C) and low (-100°C) temperatures for CF/epoxy quasi-isotropic laminates cured at 180°C with two stacking sequences, namely, [0/45/-45/90]3S and [90/-45/45/0]3S. Then, the evolution of microscopic damage as a function of load is examined by using an optical microscope. This article presents an original set of experimental data on the bearing strength of CF/epoxy pinned joints at high and low temperatures, as well as room temperature, while the previous studies did not cover the wide range of temperatures. Moreover, a technique for dynamically monitoring the load is developed to obtain the damage at the maximum load. The critical damage has not been distinguished from the secondary ones in the previous literature. It is found that the bearing failure of a pinned joint is composed of various damages depending on environmental temperatures; further, the strength of the pinned joint is closely related to the compressive kinking failure of all the inner 0° layers. Other characteristic features of the damage evolution at each temperature are discussed in detail.

本文言語英語
ページ(範囲)335-351
ページ数17
ジャーナルJournal of Composite Materials
41
3
DOI
出版ステータス出版済み - 2 1 2007

All Science Journal Classification (ASJC) codes

  • セラミックおよび複合材料
  • 材料力学
  • 機械工学
  • 材料化学

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