Effect of Prior-Heat Treatments on the Creep Behavior of an Industrial Drawn Copper

Boumerzoug, Zakaria; Gareh, Salim; Beribeche, Abdellatif

doi:10.4236/wjcmp.2012.24041

Cited by 6 publications

(6 citation statements)

References 19 publications

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“…In order to compare our results to some previous studies, Fig. 6 presents plotted curves of strain versus stress of our copper wires and other curves obtained in other investigations [5,[14][15]. These investigations confirm our results because our findings are close to these scientific works.…”

Section: Introductionsupporting

confidence: 90%

“…Creep can be determined by long-term laboratory creep tests, the results of which are used to generate creep curves. A creep behavior drop in pure copper and some copper alloys at high temperature has been reported by many researchers [4][5][6][7][8]. There are three basic mechanisms that can contribute to creep in metals, namely ; Dislocation slip and climb, Grain boundary sliding, and Diffusional flow.…”

Section: Introductionmentioning

confidence: 99%

“…They have been found that the creep mechanism is governed by grain boundary sliding. Boumerzoug et al [5], have been investigated creep mechanism of an industrial copper wire which were tested at temperature of 290 and 340°C under stresses of 98, 108 and 118 MPa. From activation energy values, they have found that the creep mechanism was climbing.…”

Section: Introductionmentioning

confidence: 99%

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Heat Treatment Effect on the Creep of Industrial Copper Wire

Gareh

Boumerzoug

2016

Acta Metall Slovaca

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<p class="Default">Creep behavior of copper wire, produced by wiredrawing process in ENICAB Biskra, has been investigated by creep tests at 340°C under the stress 98,108 and 118 MPa. In this investigation, three samples have been tested: copper drawn wire non heat treated, and heat treated at 600°C and 700°C. Microstructure after the creep test was observed by optical microscopy to understand the rupture mechanism. We have found that the sample heat treated at 600 °C had a longer creep life. We have also deduced that the dislocation creep was the creep deformation mechanism of the drawn copper. SEM observations of fractured surfaces after creep tests of drawn copper wire non heat treated and treated 10 min at 600 ° C under stress of 118 MPa.</p>

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Section: Introductionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Heat Treatment Effect on the Creep of Industrial Copper Wire

Gareh

Boumerzoug

2016

Acta Metall Slovaca

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“…In general, necking is considered as a property of a ductile material. According to our recent results [5,6], identical behavior which has been observed by creep tests is also exhibited during tensile tests, i.e., the heat treated drawn copper for 2 min exhibits the maximum elongation. This last result has been found also by creep test.…”

Section: Tensile Testssupporting

confidence: 78%

Heat treatment effect on the mechanical properties of industrial drawn copper wires

Beribeche¹,

Boumerzoug²,

Ji³

2013

AIP Conference Proceedings

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Articles you may be interested inComparison of effect of induction and classical sintering to mechanical properties of powder metal components AIP Conf.Abstract. In this present investigation, the mechanical properties of industrial drawn copper wires have been studied by tensile tests. The effect of prior heat treatments at 500°C on the drawn wires behavior was the main goal of this investigation. We have found that the mechanical behavior of drawn wires depends strongly on those treatments. SEM observations of the wire cross section after tensile tests have shown that the mechanism of rupture was mainly controlled by the void formation.

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“…The shape of the final part of the creep curve and the duration of the tertiary creep stage depend on the material composition, the stress and the temperature [3]. The origins of tertiary creep are progressive damage processes DOI including the formation, growth and coalescence of voids on grain boundaries, coarsening of precipitates and environmental effects [4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Constituve Modelling for Creep of Drawn Copper Wire

Boumerzoug¹,

Gareh²

2014

Acta Metall Slovaca

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The high-temperature creep behaviour of drawn copper wire was studied by different constant stresses 98,108 and 118 MPa and under the temperatures of 250, 290 and 340°C. This study deals with the creep based prediction modelling of an industrial copper wire. The proposed unified creep damage constitutive equations were determined using experimental data achieved for materials at applied stress. The comparison of experimental and predicted effective creep strain curves is carried out for all applied stresses applied on the drawn copper wire. The evaluated stress exponent n = 9.21, 10 and 14 and the activation energy Q = 22.25, 31.75 and 50.75 indicated that the creep deformation of the drawn copper wire is controlled by the dislocation creep. The evaluated of the mean relative error from 5.18 % to 10.11 confirmed the creep strain predicted by the proposed model well agree with experimental data.

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Effect of Prior-Heat Treatments on the Creep Behavior of an Industrial Drawn Copper

Cited by 6 publications

References 19 publications

Heat Treatment Effect on the Creep of Industrial Copper Wire

Heat Treatment Effect on the Creep of Industrial Copper Wire

Heat treatment effect on the mechanical properties of industrial drawn copper wires

Constituve Modelling for Creep of Drawn Copper Wire

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