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http://dx.doi.org/10.3795/KSME-A.2006.30.6.653

Fabrication of Metallic Sandwich Plates with Inner Dimpled Shell Structure and Static Bending Test  

Seong Dae-Yong (한국과학기술원 기계공학과)
Jung Chang-Gyun (한국과학기술원 기계공학과)
Yoon Seok-Joon (한국과학기술원 기계공학과)
Lee Sang-Hoon (조선대학교 기계공학과)
Ahn Dong-Gyu (조선대학교 기계공학과)
Yang Dong-Yol (한국과학기술원 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.30, no.6, 2006 , pp. 653-661 More about this Journal
Abstract
Metallic sandwich plates with various inner cores have important new features with not only ultra-light material characteristics and load bearing function but also multifunctional characteristics. Because of production possibility on the large scale and a good geometric precision, sandwich plates with inner dimpled shell structure from a single material have advantages as compared with other solid sandwich plates. Inner dimpled shell structures can be fabricated with press or roll forming process, and then bonded with two face sheets by multi-point resistance welding or adhesive bonding. Elasto-plastic bending behavior of sandwich plates have been predicted analytically and measured. The measurements have shown that elastic perfectly plastic approximation can be conveniently employed with less than 10% error in elastic stiffness, collapse load, and energy absorption. The dominant collapse modes are face buckling and bonding failure after yielding. Sandwich plates with inner dimpled shell structure can absorb more energy than other types of sandwich plates during the bending behavior.
Keywords
Metallic Sandwich Plate; Inner Dimpled Shell Structure; Fabrication Process; Static Bending Test;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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