Process allowing to increase the cracking corrosion resistance of a wire under stress

The invention allows to increase the cracking corrosion resistance of a wire under stress by introducing, through surface treatment by brushing, compressive stresses on the apparent surface of the wire. The invention is notably applied for the manufacture of wire-reinforced flexible pipes. The reinf...

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Bibliographic Details
Main Authors XAVIER LONGAYGUE, CHRISTIAN BOUDOU
Format Patent
LanguageEnglish
Published 15.08.2002
Edition7
Subjects
AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL
MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF METAL WIRE
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Summary:The invention allows to increase the cracking corrosion resistance of a wire under stress by introducing, through surface treatment by brushing, compressive stresses on the apparent surface of the wire. The invention is notably applied for the manufacture of wire-reinforced flexible pipes. The reinforcing wires are subjected to a surface treatment by brushing after setting the wires on the flexible pipe.
Bibliography:Application Number: US20010988414