The effects of sea water and concentrated salt solutions on the fatigue of nylon 6,6 fibres

Cyclic fatigue and creep rupture tests have been run on high-tenacity nylon 6,6 single fibres, yarns and small ropes in air and sea water environments. Fatigue failure in each case is by a creep rupture mechanism; yarns and small ropes show the same fatigue sensitivity as do single fibres. Sea water...

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Bibliographic Details
Published inJournal of materials science Vol. 20; no. 6; pp. 2060 - 2070
Main Authors KENNEY, M. C, MANDELL, J. F, MCGARRY, F. J
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 01.06.1985
Subjects
Applied sciences
creep
Exact sciences and technology
fatigue
fibers
Fibers and threads
Forms of application and semi-finished materials
materials testing
nylon
Polymer industry, paints, wood
Technology of polymers
Filament
Stress cracking
Creep
Cyclic load
Synthetic fiber
Humidity
Amide 66 polymer
Fatigue
String
Stress strain
Fracture(mechanics)
Seawater
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Summary:Cyclic fatigue and creep rupture tests have been run on high-tenacity nylon 6,6 single fibres, yarns and small ropes in air and sea water environments. Fatigue failure in each case is by a creep rupture mechanism; yarns and small ropes show the same fatigue sensitivity as do single fibres. Sea water reduces the strength by approximately 10% under most conditions. Concentrated matallic salt solutions which cause environmental stress cracking in bulk nylon do not degrade the fibres beyond the effect of plain water. Tests on oriented nylon specimens show the environmental stress crack sensitivity is greatly reduced by orientation.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-2461
1573-4803
DOI:10.1007/BF01112289