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Session 1426

GAS ADSORPTION INDICATOR METHOD: AN INNOVATIVE EXPERIMENTAL APPROACH FOR NDT LABORATORY INSTRUCTION OF ENGINEERING STUDENTS. Guido W. Lopez College of Engineering Northeastern University, Boston, MA 02115

Nadezda G. Berezkina, and Ilya O. Leipunsky Russian Academy of Sciences Institute of Energy Problems of Chemical Physics Moscow, 117829 Russia

ABSTRACT

Non Destructive Testing (NDT) is a technology of significant importance for determining the integrity of engineering materials in a myriad of applications. NDT has become inherent to virtually every process in industry where the condition of parts and assemblies need to be evaluated in order to determine their usefulness and serviceability. The testing of materials plays a significant role in design and manufacture of engineering equipment and, therefore, it is an essential ingredient of engineering education and training. This paper presents a simple, inexpensive and effective method to convey the underlying science of penetrant techniques (PT) for nondestructive testing (NDT) of metals, ceramics, and composites, and the details of an experimental approach that can be easily adopted in educational laboratories to enhance engineering curricula. The proposed procedure is referred to as Gas Adsorption Indicator Method (GAIM). This is a relatively unknown NDT technique in the United States, but it has been used for several years in the former Soviet Union, and more recently in the Russian Federation, in the Aerospace, and Power Generation industries. The educational benefits derived from the inclusion of GAIM approaches in NDT Laboratory instruction are discussed. The underlying phenomena of the GAIM technique are explained, and graphical documentation, procedures and experimental results are presented in order to substantiate the suitability of GAIM as an educational tool in laboratory instruction of engineering students in disciplines such as, Mechanical, Chemical, Aerospace, and Nuclear.

INTRODUCTION

Non Destructive Testing (NDT) is defined as the examination of objects using techniques that do not affect their future usefulness 7,8. There are several techniques that fit this definition. The

Proceedings of the 2004 American Society for Engineering Education Annual Conference and Exposition Copyright © 2004, American Society for Engineering Education

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Berezkina, N., & Leipunsky, I., & Lopez, G. (2004, June), Gas Adsorption Indicator Method: An Innovative Experimental Approach For Ndt Laboratoy Instruction Of Engineering Students Paper presented at 2004 Annual Conference, Salt Lake City, Utah. 10.18260/1-2--13653