Actions for The Development of Standard Methods for Determining the Dynamic Fracture Toughness of Metallic Materials

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The Development of Standard Methods for Determining the Dynamic Fracture Toughness of Metallic Materials / HJ. MacGillivray, DF. Cannon

Conference Author
Rapid Load Fracture Testing (1990 : San Francisco, California)
Physical Description
1 online resource (19 pages) : illustrations, figures, tables
Additional Creators
Cannon, DF., MacGillivray, HJ., American Society for Testing and Materials, and ASTM International
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Summary
A simple, reliable, and repeatable method has been developed for determining dynamic plane-strain fracture toughness using an on-specimen strain gage. This extends the range of the British Standard Method for Determination of the Dynamic Fracture Toughness of Metallic Materials (BS 6729) to include measurement at impact testing rates. Dynamic finite element computing was used to optimize the position of the gage on the specimen. In tests at low loading rates on Charpy specimens, good agreement was found between toughness values calculated from the applied load and the calibrated gage, and with those measured by the shadow optic caustic technique. At higher rates, several gage types and two adhesives were compared. A satisfactory method was developed for performing tests at high and low temperatures. The technique was applied to larger bend specimens of two steels, and a test program was conducted at seven laboratories to assess the influence of testing machine and instrumentation variables. From the results, a standard calibration and test procedure has been developed.
Dates of Publication and/or Sequential Designation
Volume 1992, Issue 1130 (January 1992)
Subject(s)
Other Subject(s)
ISBN
9780803151925 (e-ISBN)
9780803114296
080311429X
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 29.
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, 1992. 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.
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