Abstract

Publisher Summary This chapter discusses the research instruments and systems. Instrumentation of various degrees of complexity and sophistication for the ultrasonic examination of materials has been developed over the years since Floyd Firestone was granted a patent for his flaw detection device. This chapter presents representative machines designed primarily for the relatively new field of nondestructive evaluation (NDE) of materials using ultrasound over a very wide range of frequencies. In NDE work, the objective is generally to document the quality of the material under test rather than to examine it for gross flaws. Descriptions of some representative NDE instruments developed in the research laboratory and later successfully brought to the commercial marketplace are discussed in this chapter.

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