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Origin of burst-type acoustic emission in unflawed 7075-T6 aluminum

Journal Article · · J. Test. Eval.; (United States)
OSTI ID:7145314
 [1]; ;
  1. Univ. of California, Davis
+ Show Author Affiliations
Tensile tests were used to study the acoustic emission from several 7075-T6 aluminum plates. Specimens from one plate produced a large burst-type emission in addition to the continuous emission. Metallographic and fracture surface studies indicated that the burst-type emission resulted from the brittle fracture of large (20 to 60 ..mu..m) primary inclusions in the microstructure.
OSTI ID:
7145314
Journal Information:
J. Test. Eval.; (United States), Journal Name: J. Test. Eval.; (United States) Vol. 4:5; ISSN JTEVA
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
42 ENGINEERING
420500* -- Engineering-- Materials Testing
ACOUSTIC EMISSION TESTING
ACOUSTIC TESTING
ALUMINIUM
CHEMICAL ANALYSIS
ELECTRON MICROPROBE ANALYSIS
ELECTRON MICROSCOPY
ELEMENTS
FAILURES
FRACTURES
INCLUSIONS
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLOGRAPHY
METALS
MICROANALYSIS
MICROSCOPY
NONDESTRUCTIVE TESTING
TENSILE PROPERTIES
TESTING