Relationship between Microstructure and Properties of Cu-Cr-Ag-(Ce) Alloy Using Microscopic Investigation

Microstructure, precipitation hardening response, and mechanical and physical properties of Cu-Cr-Ag alloy and Cu-Cr-Ag-Ce alloy have been investigated using transmission electron microscopy, scanning electron microscope, optical microscope, electrical conductivity analysis, and tensile test. The in...

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Bibliographic Details
Published in:Scanning 2017-01, Vol.2017 (2017), p.1-8
Main Authors: Xie, Weibin, Wang, Hang, Wu, Shanjiang, Yuan, Dawei, Chen, Huiming, Yang, Bin
Format: Article
Language:English
Subjects:
Alloys
Chromium base alloys
Copper base alloys
Electrical resistivity
Electron microscopy
Engineering
Intermetallic compounds
Materials science
Metals
Microstructure
Physical properties
Precipitation hardening
Silver
Silver base alloys
Solid solutions
Sulfur
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Summary:Microstructure, precipitation hardening response, and mechanical and physical properties of Cu-Cr-Ag alloy and Cu-Cr-Ag-Ce alloy have been investigated using transmission electron microscopy, scanning electron microscope, optical microscope, electrical conductivity analysis, and tensile test. The influence of element Ce on the matrix refinement, impurity removal, and precipitation in the Cu-Cr-Ag alloys has been analyzed. The experimental results show that the strength and electrical conductivity of Ce containing alloys are greater than those of Ce-free alloys after each processing step. Improvement of strength and electrical conductivity of the Cu-Cr-Ag alloy by adding Ce element is attributed to removing oxygen and sulfur from as-cast alloy.
ISSN:0161-0457
1932-8745
DOI:10.1155/2017/4646581