Tearing toughness of annealed Cu–Al alloy sheets with different Al contents

Li, C.H.; Duan, Qingling; Qu, Sanyin; Zhang, Z.F.

doi:10.1016/j.msea.2012.03.027

Cited by 3 publications

(1 citation statement)

References 24 publications

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“…2. Apparently, the relationships between strength and elongation show the similar tendency, for 20 steel and Cu-2 wt% Be alloy [25,26], i.e., a typical trade-off relation exists, while for both cold-rolled and annealed Cu-Al alloys, with increasing Al content, the uniform elongation and ultimate tensile strength increase concurrently [27]. Coincidentally, the simultaneous increase in strength and ductility was also achieved in Cu-Al alloys after equal-channel angular pressing (ECAP) and high-pressure torsion (HPT), and the reason was attributed to the decrease in the stacking fault energy (SFE) of Cu-Al alloys with different Al contents [28][29][30].…”

Section: Resultsmentioning

confidence: 74%

Tearing Toughness of Ductile Metals

Duan

Zhang

2016

Acta Metall. Sin. (Engl. Lett.)

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A new parameter, i.e., tearing toughness, was employed to characterize the mechanical properties of some ductile metals (Cu, Cu-2 wt% Be, Cu-Al alloys, and some steels) by using three-leg trousers tearing tests. The experimental results demonstrate that their tearing toughness is not a physical constant and shows a close relationship with the materials' types and microstructures. It can be inferred that the tearing toughness of different ductile metals has their respective variation range, expectantly, and may be represented by the comprehensive mechanical properties of strength and ductility for various ductile materials.

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Section: Resultsmentioning

confidence: 74%

Tearing Toughness of Ductile Metals

Duan

Zhang

2016

Acta Metall. Sin. (Engl. Lett.)

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Influence of Twin Thickness and Grain Size on the Tensile Behavior of Fully Nanotwinned CuAl Alloys

2015

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In this study, the mechanical properties of fully nanotwinned Cu–2 wt%Al and Cu–6 wt%Al are evaluated by tension testing utilizing digital image correlation, allowing for the observation of local macroscopic deformation. By individually varying twin thickness, grain size, and composition, the isolated effect of each of these parameters on both strength and ductility is observed. Increased strength correlated with decreasing grain size or increasing Al content. It is observed that with decreasing twin thickness the ductility could be improved.

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