NDLI: Evaluation of stress corrosion cracking susceptibility using fracture mechanics techniques, part 1. [environmental tests of aluminum alloys, stainless steels, and titanium alloys

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Evaluation of stress corrosion cracking susceptibility using fracture mechanics techniques, part 1. [environmental tests of aluminum alloys, stainless steels, and titanium alloys

Content Provider	NASA Technical Reports Server (NTRS)
Author	Shumaker, M. B. Coursen, J. W. Sprowls, D. O. Walsh, J. D.
Copyright Year	1973
Description	Stress corrosion cracking (SSC) tests were performed on 13 aluminum alloys, 13 precipitation hardening stainless steels, and two titanium 6Al-4V alloy forgings to compare fracture mechanics techniques with the conventional smooth specimen procedures. Commercially fabricated plate and rolled or forged bars 2 to 2.5-in. thick were tested. Exposures were conducted outdoors in a seacoast atmosphere and in an inland industrial atmosphere to relate the accelerated tests with service type environments. With the fracture mechanics technique tests were made chiefly on bolt loaded fatigue precracked compact tension specimens of the type used for plane-strain fracture toughness tests. Additional tests of the aluminum alloy were performed on ring loaded compact tension specimens and on bolt loaded double cantilever beams. For the smooth specimen procedure 0.125-in. dia. tensile specimens were loaded axially in constant deformation type frames. For both aluminum and steel alloys comparative SCC growth rates obtained from tests of precracked specimens provide an additional useful characterization of the SCC behavior of an alloy.
File Size	17931572
Page Count	302
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19740002722
Archival Resource Key	ark:/13960/t6d26pv32
Language	English
Publisher Date	1973-05-31
Access Restriction	Open
Subject Keyword	Structural Mechanics Titanium Alloys Fracture Mechanics Environmental Tests Aluminum Alloys Stress Corrosion Cracking Stainless Steels 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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