Investigation the parameters for torsion ductility of bead wire

Su, Yea-Yang; Shemenski, R. M.

doi:10.1016/j.matdes.2009.08.038

Cited by 6 publications

(5 citation statements)

References 16 publications

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“…[56 -58] To have a precise oxide thickness measurement and prevent hydrogen consumption by the depolarizing oxygen in the electrolyte, ultra-high purity nitrogen was used in the purging process before and during the cathodic reduction. A theoretical study by Hickling and Salt showed that limiting current density for diffusion of a depolarizer to an electrode in an unstirred solution at room temperature is given by: [59] I limiting = 0.0223Dcn A/cm 2 (6) where D is the diffusion coefficient of the depolarizer; C is the oxygen concentration in aqueous solution; n is number of faradays used up by the reaction of 1 gmol of depolarizer at the electrode.…”

Section: Discussionmentioning

confidence: 99%

Qualitative and quantitative identification of copper oxides

Su¹,

Shemenski²

2008

Surface & Interface Analysis

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The quality, thickness, and chemistry of oxides on metal surfaces play a vital role in a variety of applications. Some of these include adhesion of elastomers to metal surfaces, solar cell efficiency, sealing of electronic packaging, reduction of friction during wet drawing, and degree of biocompatibility of biomaterials. However, contradictory results and misidentification of oxide layers on metallic surfaces have caused ambiguity in interpretation of results leading to incorrect use in industrial application. This study will focus on the effect of experimental parameters such as electrolyte composition and concentration, current density, coating, time constant, surface roughness, and concentration of depolarizer on cathodic reduction of oxides on metallic wires to yield precise measurement and correct identification of oxide layers.

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Section: Discussionmentioning

confidence: 99%

Qualitative and quantitative identification of copper oxides

Su¹,

Shemenski²

2008

Surface & Interface Analysis

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“…Torsion fracture may be either ductile type or brittle type. [53][54][55][56][57] Figures 13(a The mechanics of torsional crack/fracture and the factors which influence the torsional characteristic of metal wire were studied by several scientists. [58][59][60][61][62] Key manufacturing process conditions which influence the torsional characteristics includes patenting and temperature control during drawing process.…”

Section: Torsion Fracturementioning

confidence: 99%

“…Torsion fracture may be either ductile type or brittle type. 53–57 Figures 13(a) and (b), actually represents a typical “ductile torsion. If the wire doesn’t possess the desired level of ductility, the characteristic nature of the brittle torsion fractured surface looks different as depicted in Figure 13(d).…”

Section: Different Types Of Fracturesmentioning

confidence: 99%

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A critical review on fractographic studies of steel cord and bead wire used in tyre reinforcement

Shilavant,

Samui,

Chanda

et al. 2023

Progress in Rubber, Plastics and Recycling Technology

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Fracture is one of the failure modes of a material or product which may occur during its manufacturing process or its usage. Fractography is the science and art of examination and analysis of the fractured surface. Texture and nature of the fractured surface provide valuable information on origin of a crack and crack propagation; thereby, it helps to understand the mechanism of fracture and facilitate to identify the likely causes of failure. This review covers an extensive study on various types of fractures of steel cord and bead wire which are primarily used in rubber composites viz tyre, conveyor belt etc. Different types of fractures studied include ductile, central burst, brittle, fatigue, torsion, corrosion, delamination and weld fractures. Fundamentals on specific characteristics of each type of fracture and their likely causes have been elaborately discussed Microscopic examination through scanning electron microscope (SEM) provides deeper insights of the fractured surface as well as microstructure of material. In addition to the fundamental aspects of fractures, examples of different types of fractured samples have been illustrated in this article. This focused review would be useful to the steel cord and bead wire manufactures as well as to tyre manufacturers for detailed failure investigation of material/product and thereby to take appropriate corrective measures.

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“…Alternative bending causes the appearance of stresses which lead to the breakup the unstable substructures in the processed wire [48,49]. This kind of processing promotes the increase of its ductile properties.…”

Section: Use Of Setups For Alternative Bending To Increase the Ductility Of Bead Wirementioning

confidence: 99%

Automobile Tires’ High-Carbon Steel Wire

Polyakova

Stolyarov

2021

Encyclopedia

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It is a well-known fact that to manufacture an automobile tire more than 200 different materials are used, including high-carbon steel wire. In order to withstand the affecting forces, the tire tread is reinforced with steel wire or other products such as ropes or strands. These ropes are called steel cord. Steel cord can be of different constructions. To ensure a good adhesive bond between the rubber of the tire and the steel cord, the cord is either brass-plated or bronzed. The reason brass or bronze is used is because copper, which is a part of these alloys, makes a high-strength chemical composition with sulfur in rubber. For steel cord, the high carbon steel is usually used at 0.70–0.95% C. This amount of carbon ensures the high strength of the steel cord. This kind of high-quality, unalloyed steel has a pearlitic structure which is designed for multi-pass drawing. To ensure the specified technical characteristics, modern metal reinforcing materials for automobile tires, metal cord and bead wire, must withstand, first of all, a high breaking load with a minimum running meter weight. At present, reinforcing materials of the strength range 2800–3200 MPa are increasingly used, the manufacture of which requires high-strength wire. The production of such wire requires the use of a workpiece with high carbon content, changing the drawing regimes, patenting, and other operations. At the same time, it is necessary to achieve a reduction in the cost of wire manufacturing. In this context, the development and implementation of competitive processes for the manufacture of high-quality, high-strength wire as a reinforcing material for automobile tires is an urgent task.

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Investigation the parameters for torsion ductility of bead wire

Cited by 6 publications

References 16 publications

Qualitative and quantitative identification of copper oxides

Qualitative and quantitative identification of copper oxides

A critical review on fractographic studies of steel cord and bead wire used in tyre reinforcement

Automobile Tires’ High-Carbon Steel Wire

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