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determination of unidirectional graphite /epoxy DCB composites from the elastic work factor approach
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 Title & Authors
determination of unidirectional graphite /epoxy DCB composites from the elastic work factor approach
Rhee, Kyeong-Yeop; Lee, Joong-Hee;
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 Abstract
Compliance calibration method is frequently used to determine from the DCB composite specimen. However, the method requires at least 4 to 5 fracture test (loading-unloading) records. In this study, of unidirectional graphite/epoxy DCB composites was determined from the elastic work factor approach which uses a single fracture test record. In order to inspect the validity of the elastic work factor approach, determined from the elastic work factor approach was compared to that of determined from the compliance calibration method. It was shown that determined from the elastic work factor approach was comparable to that determined from the compliance calibration method. That is, the elastic work factor approach can be used to determine of unidirectional graphite/epoxy DCB specimen from a single fracture record.
 Keywords
DCB Specimen;Laminated Composites;Energy Release Rate;Mode I Fracture Toughness;Compliance;Elastic Work Factor Approach;Compliance Calibration method;
 Language
Korean
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