A novel severe plastic deformation method for fabricating ultrafine grained pure copper

Wang, Chengpeng; Li, Fuguo; Li, Qinghua; Li, Jiang; Wang, Lei; Dong, Jie

doi:10.1016/j.matdes.2012.07.047

Cited by 43 publications

(26 citation statements)

References 30 publications

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“…The acquisition of superb grain materials using Elliptical cross-sectional flattened extrusion (ECSEE) [9]. They used a 3D elemental element model to study the behavior of materials during the process.…”

Section: To Counter This Task By Wang Et Al a New Spd Technique Callmentioning

confidence: 99%

“…Where y is the responses (i.e., punch force, effective pressure and mean squared error); b0, bi, bii and bij are coefficients; Xiu is the variable (Φ, L, and m); you have the number of tests (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13). k is the number (1-3); Xiu2 is the term above the variable and Xiu, Xju are interacting.…”

Section: Mathematical Model Of Responsesmentioning

confidence: 99%

“…However, the TE greater limitation is only for rectangular pieces, while the raw material has a cylindrical portion. [9] has been introduced. Torsion, extrusion and insufficiency are used in this process.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Enhancing Mechanical Property of Al7075 by Using Elliptical Cross- Sectioned Spiral Equal-Channel Extrusion: Experimental, Numerical and Optimization Approach

Ghasempour-Mouziraji¹,

Ghorbani-Menghari²,

Hosseinzade³

et al. 2018

Int J Adv Tech

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Section: To Counter This Task By Wang Et Al a New Spd Technique Callmentioning

confidence: 99%

Section: Mathematical Model Of Responsesmentioning

confidence: 99%

See 1 more Smart Citation

Enhancing Mechanical Property of Al7075 by Using Elliptical Cross- Sectioned Spiral Equal-Channel Extrusion: Experimental, Numerical and Optimization Approach

Ghasempour-Mouziraji¹,

Ghorbani-Menghari²,

Hosseinzade³

et al. 2018

Int J Adv Tech

View full text Add to dashboard Cite

“…The positive effect of combining various SPD methods, passes and components together has already been proven [39,40]. However, TCAP provides a new combination of strain paths in a single pass, which is very efficient from the viewpoint of grain refinement [35].…”

Section: A Grain Sizementioning

confidence: 99%

Natural ageing of aluminium processed by twist channel angular pressing

Kunčická¹,

Kocich²

2017

Fifth International Conference on Advances in Civil, Structural and Mechanical Engineering - CSM 2017

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-The method of twist channel angular pressing (TCAP) was invented with the aim to increase the efficiency of single pass severe plastic deformation (SPD) technologies. The study shows the structure of TCAP-processed aluminium after processing and the changes developed in the structure after a year of natural ageing at room temperature. The grain refinement after a single pass TCAP was very significant due to effectively imposed shear strain; the majority of grains were smaller than 5μm. The grains further showed sub-structure featuring fine precipitates, accumulated dislocations and developed subgrains. Transmission electron microscopy of the one-year-aged samples showed increased precipitation; the precipitates acted as effective obstacles for grain growth and structure recovery. The microscopy results were supplemented with microhardness measurements, the results of which showed a significant hardening for the single pass TCAP, after which the average microhardness increased from 44.6 HV to more than 91 HV.

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“…A strong enhancement in mechanical strength, achieved through a wide range of SPD procedures, such as high-pressure torsion [32], equal-channel angular pressing [33,34], multiple channel-die compression [35], elliptical cross-section spiral equal-channel extrusion [36], equal-channel forward extrusion [37], is extensively reported in literature. Formation of ultra-refined microstructures, consisting of submicron, or even, nano-sized grains, is argued in most of the works to be the main cause promoting the mechanical enhancement of copper.…”

Section: Introductionmentioning

confidence: 99%

Effect of friction stir processing parameters on the microstructural and electrical properties of copper

Leal

Galvão

Loureiro

et al. 2015

Int J Adv Manuf Technol

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Friction stir processing (FSP) is an innovative technology, based on friction stir welding (FSW) operative principles, which can be used for changing locally the microstructure and the mechanical properties of conventional materials. In this work, the copper alloy C12200 was friction stir processed using two distinct tools, i.e. a scrolled and a conical shoulder tool, in order to promote different thermomechanical conditions inside the stirred volume, and consequently, varied post-processed microstructures. The influence of the tool geometry and tool rotation and traverse speeds on the microstructural and electrical properties of the processed copper alloy was analysed. The processing conditions were found to have an important influence on the electrical conductivity of the processed material. The differences in electrical conductivity were explained based on dislocations density effects. The effect of the dislocations density on electrical conductivity of the processed material was found to prevail over the effect of the grain boundaries.

show abstract

A novel severe plastic deformation method for fabricating ultrafine grained pure copper

Cited by 43 publications

References 30 publications

Enhancing Mechanical Property of Al7075 by Using Elliptical Cross- Sectioned Spiral Equal-Channel Extrusion: Experimental, Numerical and Optimization Approach

Enhancing Mechanical Property of Al7075 by Using Elliptical Cross- Sectioned Spiral Equal-Channel Extrusion: Experimental, Numerical and Optimization Approach

Natural ageing of aluminium processed by twist channel angular pressing

Effect of friction stir processing parameters on the microstructural and electrical properties of copper

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