Todo, M; Takahashi, K; Jar, P Y (Ben); Beguelin, P
Toughening mechanisms of three types of rubber toughened poly (methyl methacrylate) (RT-PMMA) were investigated under mode 1 loading condition by optical and electron microscopies in conjunction with the quantitative evaluation of mode I fracture toughness. Polarizing optical microscopy clearly exhibited damage zone development ahead of a crack-tip in the RT PMMA's. The three RT PMMA's revealed different shapes of the damage zone. Transmission electron microscopy exhibited microcrazes generated...[Show more]
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