Effects of Cold Deformation on Microstructure and Mechanical Properties of Cu-0.35Al2O3(Y) Composite

Bao Hong Tian; Yong Qiang Dai; Yi Zhang; Yong Liu

doi:10.4028/www.scientific.net/AMR.194-196.1639

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Random Response and Statistic Characteristics Analysis of Random Parameters Nonlinear Systems
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Research on New Technology to Control Highway Semi-Rigid Base Asphalt Pavement Cracks
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Effects of Cold Deformation on Microstructure and Mechanical Properties of Cu-0.35Al₂O₃(Y) Composite
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196Effects of Cold Deformation on Microstructure and...

Effects of Cold Deformation on Microstructure and Mechanical Properties of Cu-0.35Al₂O₃(Y) Composite

Abstract:

Internal oxidation is one of the most common methods to produce in situ nano oxide particles dispersion strengthened copper base composite (ODSC) in powder industry. In this paper, a simplified internal oxidation method was proposed to prepare ODSC composite by using thin strip of Cu-Al alloy. The effects of the addition of rare earth element yttrium and cold deformation on the microstructure and mechanical properties, such as hardness and tensile strength, were investigated briefly. Results show that after 80% deformation, the crystalline grains of the composite matrix plastically deformed in elongated shape to a certain direction as banded fiber structure. The addition of trace element yttrium and cold information increase the hardness and tensile strength of the Cu-0.35Al₂O₃(Y) composite remarkably, respectively.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

1639-1642

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.1639

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Online since:

February 2011

Authors:

Bao Hong Tian, Yong Qiang Dai, Yi Zhang, Yong Liu

Keywords:

Cold Deformation, Cu-0.35Al₂O₃(Y) Composite, Internal Oxidation, Yttrium

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