NDLI: Ultrasonic spectroscopy of stainless steel sandwich panels

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Ultrasonic spectroscopy of stainless steel sandwich panels

Content Provider	NASA Technical Reports Server (NTRS)
Author	Ghosn, Louis J. Cosgriff, Laura M. Lerch, Bradley A. Hebsur, Mohan G. Baaklini, George Y.
Copyright Year	2003
Description	Enhanced, lightweight material systems, such as 17-4PH stainless steel sandwich panels are being developed for use as fan blades and fan containment material systems for next generation engines. In order to improve the production for these systems, nondestructive evaluation (NDE) techniques, such as ultrasonic spectroscopy, are being utilized to evaluate the brazing quality between the 17-4PH stainless steel face plates and the 17-4PH stainless steel foam core. Based on NDE data, shear tests are performed on sections representing various levels of brazing quality from an initial batch of these sandwich structures. Metallographic characterization of brazing is done to corroborate NDE findings and the observed shear failure mechanisms.
File Size	24600218
Page Count	15
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20030111824
Archival Resource Key	ark:/13960/t06x49n4n
Language	English
Publisher Date	2003-01-01
Access Restriction	Open
Subject Keyword	Metals And Metallic Materials Panels Nondestructive Tests Resonant Frequencies Metal Plates Failure Analysis Mechanical Properties Ultrasonic Spectroscopy Metallography Brazing Sandwich Structures Stainless Steels Fan Blades Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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