Residual stresses in cold drawn ferritic rods

Atienza, J. M.; Ruiz-Hervías, J.; Martinez, M.; Mompeán, F. J.; Garcia-Hernandez, M.; Elices, M.

doi:10.1016/j.scriptamat.2004.10.010

Cited by 56 publications

(29 citation statements)

References 14 publications

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“…A very good correlation between experimental and numerical results was obtained, giving additional validation to both techniques. Furthermore, the residual stress distribution [30] (tensile at the surface, compressive at the centre) agrees with the experience of steelmakers.…”

Section: Characterization Of Residual Stresses In Prestressing Steel supporting

confidence: 80%

“…The a-Fe reflection under study was (211), that produces a Bragg peak at 28=156.1° for the mentioned wavelength. The sin 2 t|) method was employed [30]. The residual stresses at the rod surface in different generatrices were approximately constant, in agreement with the expected axisymmetric stress state after colddrawing.…”

Section: Characterization Of Residual Stresses In Prestressing Steel supporting

confidence: 67%

“…2 along with the numerical simulations [30]. A very good correlation between experimental and numerical results was obtained, giving additional validation to both techniques.…”

Section: Characterization Of Residual Stresses In Prestressing Steel supporting

confidence: 57%

“…Measurements by laboratory X-rays, neutron and synchrotron radiation and numerical simulations were performed on rods specially fabricated for this purpose [10,17,29,30]. To this end, two different steel rods, ferritic (single phase) and pearlitic (two phases), of 20 mm diameter were prepared and subjected to one drawing pass under precisely controlled conditions.…”

Section: Characterization Of Residual Stresses In Prestressing Steel mentioning

confidence: 99%

“…Gauge volume was: 1.5x3x 1.5 mm 3 . Experimental details are given elsewhere [30], Residual stresses were measured at a number of points at the rod surface by X-ray diffraction (XRD). The measurements Some authors have also measured residual stresses in cementite by X-ray diffraction [18][19][20], neutron diffraction [7,9,21,22] and high-energy synchrotron radiation [10,14], Cementite stresses are frequently averaged over the whole cross-section of the sample, in an attempt to improve the poor peak statistics.…”

Section: Characterization Of Residual Stresses In Prestressing Steel mentioning

confidence: 99%

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The Role of Residual Stresses in the Performance and Durability of Prestressing Steel Wires

2012

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Residual stresses developed during wire drawing influence the mechanical behavior and durability of steel wires used for prestressed concrete structures, particularly the shape of the stress-strain curve, stress relaxation losses, fatigue life, and environmental cracking susceptibility. The availability of general purpose finite element analysis tools and powerful diffraction techniques (X-rays and neutrons) has made it possible to predict and measure accurately residual stress fields in cold-drawn steel wires. Work carried out in this field in the past decade, shows the prospects and limitations of residual stress measurement, how the stress relaxation losses and environmentally-assisted cracking are correlated with the profile of residual stresses and how the performance of steel wires can be improved by modifying such a stress profile.

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Section: Characterization Of Residual Stresses In Prestressing Steel supporting

confidence: 80%

Section: Characterization Of Residual Stresses In Prestressing Steel supporting

confidence: 67%

“…2 along with the numerical simulations [30]. A very good correlation between experimental and numerical results was obtained, giving additional validation to both techniques.…”

Section: Characterization Of Residual Stresses In Prestressing Steel supporting

confidence: 57%

Section: Characterization Of Residual Stresses In Prestressing Steel mentioning

confidence: 99%

Section: Characterization Of Residual Stresses In Prestressing Steel mentioning

confidence: 99%

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The Role of Residual Stresses in the Performance and Durability of Prestressing Steel Wires

2012

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Size Effects in Continuous Drive Friction Welded Spray‐Compacted Hypereutectic Al–Si Alloys

Feng

Wettlaufer

2017

Adv Eng Mater

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Spray-compacted hypereutectic Al-Si alloy is one of the most important lightweight materials for casting components in electric vehicles. Size effects in such alloys jointed by continuous drive friction welding have been investigated by connecting the interfacial microstructure with the joint strength. The nature of phases present, the topology, and the dispersion of particles have been examined carefully. The mechanical properties of joints have been characterized by transverse tensile tests, microhardness tests, XRD residual stress measurements, and finite element simulations. Size effects on the strengthening of the joint strength and the fracture of particles have been evaluated qualitatively and quantitatively. It has been confirmed that the micromechanical strengthening, which is related to the average particle size d and proportional to d À0.5 , and the residual stress together determine the joint strength. By means of the fracture-mechanical analysis, a lower and an upper limit of the particle size have been defined to assess whether a particle can be refined or not during continuous drive friction welding.

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Influence of Material Delivery Condition on Residual Stresses and Part Properties During Forward Rod Extrusion

Jobst

Merklein

2021

Forming the Future

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During the manufacturing of semi-finished products, the material is subjected to various forming steps to achieve the final geometry. In order to reduce the work hardening introduced and to ensure a good formability, it is annealed before component manufacturing. Forming technologies like forward rod extrusion are well-established methods for an efficient production of resilient components. In this process however, an inhomogeneous prestrengthening of the material influences the stress distribution during forming and therefore the mechanical properties and the residual stresses in the component. Since they affect the parts operating behaviour, knowledge of the influence of the delivery condition of the material is necessary. The aim in this paper is to derive dependencies between material properties and the resulting residual stresses and work hardening in the component. Due to the increasing application, ferritic stainless steel X6Cr17 in the skin passed (+LC) and soft annealed (+A) states is used. Residual stresses, microstructure and microhardness distribution of both material states are compared regarding the rods and extruded parts. The effects of the delivery condition are evaluated by comparing process and component properties.

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Residual stresses in cold drawn ferritic rods

Cited by 56 publications

References 14 publications

The Role of Residual Stresses in the Performance and Durability of Prestressing Steel Wires

The Role of Residual Stresses in the Performance and Durability of Prestressing Steel Wires

Size Effects in Continuous Drive Friction Welded Spray‐Compacted Hypereutectic Al–Si Alloys

Influence of Material Delivery Condition on Residual Stresses and Part Properties During Forward Rod Extrusion

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