Structural and mechanical characterization of as-cast CuAlBe alloy

Copper-Beryllium (Cu-Be) materials are known as non-sparking elements and are used for tools in gaseous rich atmospheres. In this article we present few preliminary results from the obtaining and analyze of a new chemical composition CuAlBe alloy. The experimental alloys were cast in a vacuum induct...

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Bibliographic Details
Published in:Materials today : proceedings 2023, Vol.72, p.594-599
Main Authors: Gabriel CHELARIU, Romeo, BENCHEA, Marcelin, CIMPOEŞU, Ramona, RUSU, Oana, MANOLE, Vasile, Petronela BURDUHOS-Negris, Diana, CIMPOEŞU, Nicanor, BEJINARIU, Costică
Format: Article
Language:English
Subjects:
EDS
Gears
Micro-indentation
Non-sparking alloy
Scratch
SEM
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Summary:Copper-Beryllium (Cu-Be) materials are known as non-sparking elements and are used for tools in gaseous rich atmospheres. In this article we present few preliminary results from the obtaining and analyze of a new chemical composition CuAlBe alloy. The experimental alloys were cast in a vacuum induction furnace from CuBe master alloy and high purity aluminium using a graphite crucible and a metal casting mold. The alloys obtained were analyzed by chemical composition homogenization point of view (energy dispersive spectroscopy – EDS), microstructure (optical – MO and electronic microscopy - SEM) and mechanical properties (microhardness, Young modulus and contact stiffness). The addition of beryllium present an increasing of hardness effect collaborated with an increase of friction coefficient.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2022.10.106