Journal ArticleDOI
A gradient nano/micro-structured surface layer on copper induced by severe plasticity roller burnishing
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TLDR
In this paper, the microstructure characteristics and material properties of sample at various depths from the topmost surface were investigated by SEM, TEM, XRD, OM etc.About:
This article is published in Transactions of Nonferrous Metals Society of China.The article was published on 2014-02-01. It has received 14 citations till now. The article focuses on the topics: Grain boundary & Roller burnishing.read more
Citations
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Effect of severe shot peening on corrosion behavior of AZ31 and AZ91 magnesium alloys
TL;DR: In this paper, the microstructure, micro-hardness and corrosion behavior of AZ31 and AZ91 Mg alloys after severe shot peening were studied using transmission electron microscopy, microhardness tester and corrosion tests, respectively.
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Investigation of Two-Dimensional Ultrasonic Surface Burnishing Process on 7075-T6 Aluminum
TL;DR: In this article, a two-dimensional ultrasonic surface burnishing process (2D-USBP) was proposed for the processing of 7075-T6 aluminum samples by a custom-designed 2DUSBP setup.
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A study on nanoscale gradient alloying induced by a punching deformation process on low carbon steel
TL;DR: In this article, the gradient alloying surface produced on a low-carbon steel material by a punching deformation and recovery process was investigated using scanning electron microscopy, energy disperse spectroscopy and X-ray diffraction.
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Experimental Study on the Surface Densification of Fe-2Cu-0.6C Powder Metallurgy Material
TL;DR: In this article, the authors investigated the effects of rolling force and spindle speed on surface performance of Fe-2Cu-0.6C powder metallurgy material and obtained a densified depth and a surface hardness of 335µm and 320 HV0.1.
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Study on the Surface Integrity of a Thin-Walled Aluminum Alloy Structure after a Bilateral Slid Rolling Process
TL;DR: In this paper, a self-designed bilateral slid rolling (BSRP) appliance was used to conduct rolling experiments and the residual stress distributions along the depth of the rolling surface and milling surface were tested respectively.
References
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Journal ArticleDOI
Revealing Extraordinary Intrinsic Tensile Plasticity in Gradient Nano-Grained Copper
TL;DR: The extraordinary intrinsic plasticity of gradient NG structures offers their potential for use as advanced coatings of bulk materials in both high strength and ductility materials.
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An investigation of surface nanocrystallization mechanism in Fe induced by surface mechanical attrition treatment
TL;DR: A grain refinement mechanism induced by plastic deformation during the SMA treatment in Fe was proposed in this article, which involves formation of dense dislocation walls (DDWs) and dislocation tangles (DTs) in original grains and in the refined cells under further straining.
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Nitriding iron at lower temperatures.
TL;DR: The microstructure in the surface layer of a pure iron plate was refined at the nanometer scale by means of a surface mechanical attrition treatment that generates repetitive severe plastic deformation of the surfaceLayer to provide a new approach for selective surface reactions in solids.
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Tensile properties of copper with nano-scale twins
TL;DR: In this article, an electrodeposited Cu sample with a high density of nano-scale growth twins showed an ultrahigh tensile strength (similar to 1 GPa) with a considerable plastic strain (> 13%).
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Plastic strain-induced grain refinement at the nanometer scale in copper
TL;DR: In this article, two different mechanisms for plastic strain-induced grain refinement in pure Cu were identified, corresponding to different levels of strain rate, and the minimum size of refined grains via this process is about 100 nm.