Superplastically Formed New Sandwich Coresby Charles E.S. Ueng, (M.ASCE), Prof. of Engrg. Sci. and Mechanics; Georgia Inst. of Tech., Atlanta, Ga.,
Serial Information: Transportation Engineering Journal of ASCE, 1978, Vol. 104, Issue 4, Pg. 437-447
Document Type: Journal Paper
A new method using superplastic materials and vacuum forming technique is developed. In this new process, different sandwich core configurations are obtained by heating up a superplastic sheet and then allowing it to collapse gently onto a die having the desired geometry. Two analytically investigated problems are reported: (1)Determination and maximization of the shear modulus of the core; and (2)least weight configuration analysis. Geometric shapes of four- and six-sided, truncated pyramids are presented. Advantages of this new innovation are cited.
Subject Headings: Geometrics | Shear modulus | Temperature effects | Innovation
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