Development of Design Margin Decision System for Advanced Materials Based on Reliability

Masaru Zako, Naoki Takano, Masahiro Ichikawa, Satoshi Hanaki

研究成果: Article査読

3 被引用数 (Scopus)

抄録

The design concept based on reliability is effective for advanced materials, because advanced materials such as fiber-reinforced composites have variable mechanical properties. In addition, as the failure mode in the low cycle fatigue region differs from that in the high cycle fatigue region, it is difficult to predict the fatigue life of advanced materials. So far, we have developed a design margin decision system based on reliability by evaluating fatigue life. In this study, the system is improved for application to advanced materials and a method to divide whole sets of data into the above two regions and to calculate the design margin in each region is presented. From numerical examples for CF/PEEK laminates and epoxy resin, it is revealed that a more reasonable S-N curve and design margin are obtained by the proposed system.

本文言語English
ページ(範囲)1909-1913
ページ数5
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series A
61
589
DOI
出版ステータスPublished - 1995
外部発表はい

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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