شماره ركورد كنفرانس :
5364
عنوان مقاله :
Experimental investigation of the crushing behavior of sandwich panel with egg box core made of corrugated strips
پديدآورندگان :
Tabasi S.M.M. smmtabasi@stu.nit.ac.ir 1Master of Science Student, Mechanical Engineering, Babol Noshirvani University of Technology, Babol , Goudarzi A.M. goudarzi@nit.ac.ir 2Associate Professor, Mechanical Engineering, Babol Noshirvani University of Technology, Babol , Morshedsolouk F f.morshed@nit.ac.ir Assistant Professor, Sea Engineering, Babol Noshirvani University of Technology, Babol
كليدواژه :
energy absorption#egg comb core#corrugated sandwich sheet#crushing behavior
عنوان كنفرانس :
سي امين همايش سالانه بين المللي انجمن مهندسان مكانيك ايران
چكيده فارسي :
This research investigates the amount of energy absorption in a sandwich panel with a corrugated core of an egg comb with two different dimensions. Sandwich panels with different core shapes are widely used in the transportation industry due to their light weight, and many studies have been conducted on its properties, one of which is the study of energy absorption. Investigating the amount of energy absorption in these types of cores will help to increase the safety of the passengers. In this research, the cores with the ratio of the angle of the leg to the base of 30 degrees (T30) and 40 degrees (T40) were made through sheet cutting and bending and were connected to each other using spot welding. ST 37 steel sheet was used for core and surface. The samples were subjected to quasi-static uniform load. The force-displacement curves were obtained and the peak force value, energy absorption rate, specific energy absorption and energy absorption efficiency were calculated from the crushing behavior of the sample. It was found that the angle ratio has an effect on the amount of energy absorption. The amount of energy absorption in T40 was about 1.5 times that of T30 model.
