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The Economics and Practical Application of Cobalt 60 in the Radiographic Inspection of Steel Weldments / W. L. Schwinn

Conference Author
Symposium on the R¿̐ưle of Non-Destructive Testing in the Economics of Production (1950 : Atlantic City, N. J.)
Physical Description
1 online resource (24 pages) : illustrations, figures, tables
Additional Creators
Schwinn, W. L., American Society for Testing and Materials, and ASTM International
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Summary
The industrial application of cobalt 60 in the inspection of steel weldments is investigated in actual practice by means of a comparison of radiographs taken with this source and with X-rays and gamma rays. Radiographs which have been exposed with variable X-ray voltages in the range of 250 to 2000 kv. are studied and compared to similar exposures with gamma rays from radium and cobalt 60 in the range of plate thicknesses of 1 to 4 in. In order to demonstrate not only the relative sensitivity of these sources but also the technique required, the economics, and exposure times, sensitivity charts covering these results are also presented. These studies indicate that in certain applications, when employing a specific technique, cobalt 60 is superior to radium.
Dates of Publication and/or Sequential Designation
Volume 1951, Issue 112 (January 1951)
Subject(s)
ISBN
9780803169500 (e-ISBN)
9780803165083
0803165080
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1951. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
View MARC record | catkey: 28008980