De-alloying and stress corrosion cracking. Final report, July 1, 1990--June 30, 1993 | Zendy

K. Sieradzki | Zendy

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De-alloying and stress corrosion cracking. Final report, July 1, 1990--June 30, 1993

Author(s) -

K. Sieradzki

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/229368

Subject(s) - materials science , brittleness , brittle fracture , alloy , stress corrosion cracking , cracking , porosity , metallurgy , corrosion , penetration (warfare) , drop (telecommunication) , work (physics) , composite material , fracture (geology) , mechanical engineering , operations research , engineering

Results of work on fracture properties of porous dealloyed gold structures indicates that this material undergoes a brittle-ductile transition as the size scale of the porosity increases. Aspects of the work reported on and proposed address fundamental issues related corrosion in alloy systems. De-alloyed film induce brittle fracture experiments are being performed on Ag-Au and Cu-Au alloy thin sheets. An indirect potential drop technique is being developed to measure dynamic crack motion. Preliminary work is being performed to determine optimum conditions for film thickness-crack penetration experiments

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