| 摘要 |
PROBLEM TO BE SOLVED: To provide a test method capable of performing a lengthy bending fatigue test of a lightweight sandwich panel automatically with high reliability. SOLUTION: In this method, a bending fatigue test of the lightweight sandwich panel comprising a fiber reinforced plastic skin and a core having a lower specific gravity than the skin is performed by using three fulcrums or four fulcrums. The method is characterized by inserting an antislipping material between the sandwich panel and the fulcrums. COPYRIGHT: (C)2006,JPO&NCIPI
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