Evaluation of Interfacial Fracture Toughness between Paint and Steel Sheet in Paint-coated Steel Sheet System Using DCB Specimen
作者： Keisuke HARA , Makoto IMANAKA
DOI: 10.2355/TETSUTOHAGANE.93.296
关键词:
摘要: A method for evaluating the interfacial adhesion strength between paint layer and chromate-coated steel sheet in paint-coated system was proposed. Three kinds of sheets modified with chromic acid which contained various content colloidal silica a composed mixture alkyd resin particles were used as specimens experiment. The evaluated by critical strain energy release rate at crack initiation. To measure rate, an asymmetric double cantilever beam specimen used, where pre-crack induced sheet. When propagates along interface sheet, it observed that increase increasing Similar dependency on had been also confirmed cross cut tests. This signified could be quantitatively rate.
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