Ultrasonic Reference Blocks and Characterized Fatigue Cracks

dc.contributor.author Eitzen, Donald
dc.contributor.author Chwirut, Daniel
dc.date 2018-02-16T06:26:45.000
dc.date.accessioned 2020-06-30T06:25:55Z
dc.date.available 2020-06-30T06:25:55Z
dc.date.issued 1975
dc.description.abstract <p>The National Bureau of Standards initiated an identifiable program in nondestructive testing about a year and a half ago. Up until that time there was significant effort in areas affecting NDT, but the focus of these efforts was not nondestructive testing.</p> <p>I will describe only a couple of the facets of the current NOT program at NBS. The program is growing, and by now is approaching the size of about 3/4 of a million dollars per year. The aim of the program is to bring direct impact on nondestructive activities through better test methods, through standards, and through measurement services and interpretive methodologies.</p> <p>I will describe progress on an activity aimed at near term improvements in ASTM type reference blocks and also on an effort aimed at producing characterized flaws. I will also very briefly touch on some work we are doing towards establishing measurement techniques for determining the characteristics of ultrasonic and acoustic emission transducers. The ASTM reference block work is supported by the Air Force, NASA and the Army, and the work on characterized flaws and transducers is supported by in-house funding.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/qnde/1975/allpapers/13/
dc.identifier.articleid 4366
dc.identifier.contextkey 7015463
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath qnde/1975/allpapers/13
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/58081
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/qnde/1975/allpapers/13/1975_YellowJacket_010_Eitzen_UltrasonicReferenceBlocks.pdf|||Fri Jan 14 19:37:17 UTC 2022
dc.subject.disciplines Engineering Mechanics
dc.subject.disciplines Mechanics of Materials
dc.title Ultrasonic Reference Blocks and Characterized Fatigue Cracks
dc.type event
dc.type.genre event
dspace.entity.type Publication
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