NDLI: Stress corrosion cracking and fatigue crack growth studies pertinent to spacecraft and booster pressure vessels

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Stress corrosion cracking and fatigue crack growth studies pertinent to spacecraft and booster pressure vessels

Content Provider	NASA Technical Reports Server (NTRS)
Author	Finger, R. W. Hall, L. R.
Copyright Year	1972
Description	This experimental program was divided into two parts. The first part evaluated stress corrosion cracking in 2219-T87 aluminum and 5Al-2.5Sn (ELI) titanium alloy plate and weld metal. Both uniform height double cantilever beam and surface flawed specimens were tested in environments normally encountered during the fabrication and operation of pressure vessels in spacecraft and booster systems. The second part studied compatibility of material-environment combinations suitable for high energy upper stage propulsion systems. Surface flawed specimens having thicknesses representative of minimum gage fuel and oxidizer tanks were tested. Titanium alloys 5Al-2.5Sn (ELI), 6Al-4V annealed, and 6Al-4V STA were tested in both liquid and gaseous methane. Aluminum alloy 2219 in the T87 and T6E46 condition was tested in fluorine, a fluorine-oxygen mixture, and methane. Results were evaluated using modified linear elastic fracture mechanics parameters.
File Size	13465980
Page Count	169
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19730013119
Archival Resource Key	ark:/13960/t8cg4gj73
Language	English
Publisher Date	1972-12-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Tin Alloys Aluminum Alloys Stress Corrosion Pressure Vessels Fatigue Materials Crack Propagation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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