Identifier	Thesis 2498
Author	Sabella, Sandra Lynn, 1963-
Title	A Comparison of Adhesive Shear Strength Test Specimens
Publisher	Central Connecticut State University
Date of Publication	2015
Resource Type	Master's Thesis
Abstract	The single lap shear test is the most common test of the shear strength of adhesive bonds, despite 80 years of analyses showing that it under-reports the stresses which cause bond failure due to uneven stress distribution and the presence of unintended normal stress. Material properties of both the adherend and adhesive cause variation in the magnitude of these stresses, making multi-material comparisons difficult. While there are test specimens and methods which more effectively isolate shear stress, they are difficult to perform and require specialized equipment. The single lap and similar tests are fast and simple by comparison and will continue to be widely used; as such their limitations need to be understood. In this experiment, the single lap shear specimen was compared with a modified single lap-shear, two variations on block shear and a double lap-shear specimen were examined with FEA and a 3² factorial laboratory test. The factors were adhesive elastic modulus and adherend elastic modulus. The classic 1944 Goland-Reissner analysis was used as a check on the single lap FEA results. An assumption was made that any specimen displaying more even stress distribution in its FEA model would also have higher stresses at failure in the corresponding laboratory test. Results did not support this assumption.
Notes	"Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science in Engineering Technology, Mechanical; Department of Engineering Technology."; Thesis advisors: Thomas Vasko, Peter Baumann.; M.S.,Central Connecticut State University,,2015.; Includes bibliographical references (leaves 73-76).
Subject	Adhesives.
Department	Department of Engineering Technology
Advisor	Baumann, Peter F. Vasko, Thomas
Type	Text
Digital Format	application/pdf
Software	System requirements: PC and World Wide Web browser.
Language	eng
OCLC number	940974737
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A Comparison of Adhesive Shear Strength Test Specimens

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