UNSPECIFIED (1991) DESIGN OF MICRO-HAMMERS FOR ULTRASONIC SOURCE APPLICATIONS. ULTRASONICS, 29 (1). pp. 68-75. ISSN 0041-624X

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Abstract

A 'micro-hammer' is proposed as convenient, repeatable broad-band ultrasonic source for point source/point receiver applications. Its operation provides a short force pulse on a surface similar to that of the impact of a free particle. The theoretical basis of that concept is discussed and two prototype designs described. Evaluation of prototypes with hammer heads of around 1 mg mass demonstrates that signals of practical usefulness can be obtained from low cost devices. Some discussion of the application of such devices to routine practice is given.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) R Medicine
Journal or Publication Title:	ULTRASONICS
Publisher:	BUTTERWORTH-HEINEMANN LTD
ISSN:	0041-624X
Date:	January 1991
Volume:	29
Number:	1
Number of Pages:	8
Page Range:	pp. 68-75
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/22904

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