Results 21 to 30 of about 187 (155)

Influence of surface defects on the fatigue crack initiation in pearlitic steel

MATEC Web of Conferences, 2014
Tensile fatigue tests were performed under load control, with constant stress range Δσ on pearlitic steel wires, from the hot rolled bar to the commercial prestressing steel wire (which has undergone seven cold drawing steps).
Toribio Jesús, Matos Juan Carlos, González Beatriz   +2 more
doaj   +1 more source

Low temperature annealing of cold-drawn pearlitic steel wire [PDF]

IOP Conference Series: Materials Science and Engineering, 2015
Cold-drawn pearlitic steel wires are nanostructured and the flow stress at room temperature can reach values above 6 GPa. A typical characteristic of the nanostructured metals, is the low ductility and thermal stability. In order to optimize both the processing and application of the wires, the thermal behaviour is of interest. This has been studied by
Zhang, Xiaodan; id_orcid 0000-0002-2874-1519, Bech, Jakob Ilsted, Hansen, Niels   +2 more
openaire   +2 more sources

The Assessment Of The Structure And Properties Of High-Carbon Steel Wires After The Process Of Patenting With Induction Heating

Archives of Metallurgy and Materials, 2015
One of the most important types of heat treatment that high-carbon steel wires are subjected to is the patenting treatment. This process is conducted with the aim of obtaining a fine-grained uniform pearlitic structure which will be susceptible to ...
Wiewiórowska S., Muskalski Z.
doaj   +1 more source

Tensile Fracture Behavior of Progressively-Drawn Pearlitic Steels

Metals, 2016
In this paper a study is presented of the tensile fracture behavior of progressively-drawn pearlitic steels obtained from five different cold-drawing chains, including each drawing step from the initial hot-rolled bar (not cold-drawn at all) to the final
Jesús Toribio, Francisco-Javier Ayaso, Beatriz González, Juan-Carlos Matos, Diego Vergara, Miguel Lorenzo   +5 more
doaj   +1 more source

Microstructure evolution governing Multi-property enhancement in cold drawn pearlitic steel

Materials & Design
Cold-drawn pearlitic steel wires are extensively used in rope-core drilling under severe conditions, where corrosion and cyclic loading accelerate crack initiation and propagation.
Yonggang Zhao, Nan Ji, Rong Fu, Song Xiang, Chun Feng   +4 more
doaj   +1 more source

Defects in Carbon-Rich Ferrite of Cold-Drawn Pearlitic Steel Wires

Metallurgical and Materials Transactions A, 2013
By means of X-ray line profile analysis and positron lifetime spectroscopy, densities of deformation-induced defects in carbon-rich ferrite of a series of cold-drawn pearlitic steel wires with true strains (epsilon) up to 5 are characterized. It is shown that both the dislocation densities and the vacancy cluster concentrations increase continuously ...
Chen, Y. Z., Csiszar, G., Cizek, Jakub, Westerkamp, S., Borchers, Christine, Ungar, T., Goto, S., Liu, F., Kirchheim, Reiner   +8 more
openaire   +3 more sources

Effect of Spheroidizing and Normalizing Treatments on the Electromagnetic Behavior and Microstructural Transformations of Ferritic-Pearlitic Steel Wire for Flexible Marine Pipelines [PDF]

Materials Research
The tensile armor of flexible marine pipelines, responsible for the flow of oil and gas, is composed of the helical arrangement of steel wires subjected to complex stress modes that can cause unpredictable failures.
Samille Kricia B. de Lima, Juan Manuel Pardal, Leosdan Figueredo Noris, Pedro Henrique P. Lima, João Victor B. Xavier, Hamilton Ferreira G. de Abreu   +5 more
doaj   +1 more source

On the formation of vacancies in α-ferrite of a heavily cold-drawn pearlitic steel wire

Scripta Materialia, 2011
Cold-drawn pearlitic steel wires are widely used in numerous engineering fields. Combining X-ray line profile analysis and positron annihilation spectroscopy methods, up to 10−5–10−4 vacancies were found in α-ferrite of a cold-drawn pearlitic steel wire with a true strain of ε = 3.
Chen, Y. Z., Csiszar, G., Cizek, Jakub, Borchers, Christine, Ungar, T., Goto, S., Kirchheim, Reiner   +6 more
openaire   +3 more sources

Alteration of Phase Transformation Behavior and Prior Austenite Grain Structure Due to Elevated Tramp Element Concentrations in a Hypoeutectoid Steel

steel research international, EarlyView.
The phase transformation behavior of a hypoeutectoid steel is studied in comparison with alloys containing higher concentrations of tramp elements, simulating high recycling rates. The examination of microstructures reveals that the tramp elements facilitate the formation of displacive phases along with retained austenite.
Lukas Hatzenbichler, Marek Gocnik, Phillip Haslberger, Matthew Galler, Andreas Stark, Oleksandr Glushko, Jozef Keckes, Ronald Schnitzer   +7 more
wiley   +1 more source

Strain aging of pearlitic steel wire during post­drawing heat treatments

Materials Science and Technology, 2001
The thermal treatment involved in galvanising affects the mechanical properties of cold drawn pearlitic steels.
Hinchliffe, C, Smith, G
openaire   +2 more sources