ゴム変性エポキシ系接着剤のMode I荷重下における疲労き裂進展特性について : 疲労き裂進展特性に及ぼすゴム変性,接着剤層厚さの影響

概要

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This paper presents the fatigue crack growth in Mode I of rubber toughened epoxy adhesives The effects of rubber content and adhesive thickness on fatigue crack growth were examined. The experimental results show that some of these parameters apparently do affect fatigue crack growth. The conclusions are summarized as follows : (1) For unmodified epoxy adhesives, the da/dN-ΔG_I diagram in Mode I varies according to adhesive thickness. For rubber modified epoxy adhesives, the effect of adhesive thickness on the da/dN-ΔG_I diagram is no more significant than that for unmodified epoxy adhesives. (2) Resistance to fatigue crack growth is increased by rubber modification. (3) From the fracture surface observation using SEM, it shows that the fracture surfaces of rubber modified adhesives are more complex than those of unmodified adhesives.
一般社団法人日本機械学会の論文
1995-06-25