A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Damage tolerance of cold drawn ferritic–austenitic stainless steels wires for prestressed concrete
Highlights ► Damage tolerance of high strength cold-drawn 1.4462 duplex steel wires. ► Anisotropic fracture behaviour at macrostructural level of fatigue pre-cracked wires. ► Damage tolerance comparison with existing data of two types of high-strength steel.
Abstract Damage tolerance of high strength cold-drawn ferritic–austenitic stainless steel wires is assessed by means of tensile fracture tests of cracked wires. The fatigue crack is transversally propagated from the wire surface. The damage tolerance curve of the wires results from the empirical failure load when given as a function of crack depth. As a consequence of cold drawing, the wire microstructure is orientated along its longitudinal axis and anisotropic fracture behaviour is found at macrostructural level at the tensile failure of the cracked specimens. An in situ optical technique known as video image correlation VIC-2D is used to get an insight into this failure mechanism by tensile testing transversally fatigue cracked plane specimens extracted from the cold-drawn wires. Finally, the experimentally obtained damage tolerance curve of the cold-drawn ferritic–austenitic stainless steel wires is compared with that of an elementary plastic collapse model and existing data of two types of high strength eutectoid steel currently used as prestressing steel for concrete.
Damage tolerance of cold drawn ferritic–austenitic stainless steels wires for prestressed concrete
Highlights ► Damage tolerance of high strength cold-drawn 1.4462 duplex steel wires. ► Anisotropic fracture behaviour at macrostructural level of fatigue pre-cracked wires. ► Damage tolerance comparison with existing data of two types of high-strength steel.
Abstract Damage tolerance of high strength cold-drawn ferritic–austenitic stainless steel wires is assessed by means of tensile fracture tests of cracked wires. The fatigue crack is transversally propagated from the wire surface. The damage tolerance curve of the wires results from the empirical failure load when given as a function of crack depth. As a consequence of cold drawing, the wire microstructure is orientated along its longitudinal axis and anisotropic fracture behaviour is found at macrostructural level at the tensile failure of the cracked specimens. An in situ optical technique known as video image correlation VIC-2D is used to get an insight into this failure mechanism by tensile testing transversally fatigue cracked plane specimens extracted from the cold-drawn wires. Finally, the experimentally obtained damage tolerance curve of the cold-drawn ferritic–austenitic stainless steel wires is compared with that of an elementary plastic collapse model and existing data of two types of high strength eutectoid steel currently used as prestressing steel for concrete.
Damage tolerance of cold drawn ferritic–austenitic stainless steels wires for prestressed concrete
Valiente, Andrés (author) / Iordachescu, Mihaela (author)
Construction and Building Materials ; 36 ; 874-880
2012-06-04
7 pages
Article (Journal)
Electronic Resource
English
Damage tolerance of cold drawn ferritic–austenitic stainless steels wires for prestressed concrete
| Online Contents | 2012
Fatigue Damage in Austenitic-Ferritic Duplex Stainless Steels
| British Library Online Contents | 1995
Fatigue and fracture performance of cold drawn wires for prestressed concrete
| British Library Online Contents | 2000
Fatigue and fracture performance of cold drawn wires for prestressed concrete
| Online Contents | 2000
Alternative process to manufacture austenitic–ferritic stainless steel wires
| British Library Online Contents | 2005