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Abstract

Copper-based alloys with the addition of Al present excellent properties and can be considered a proper choice for applications as contact materials based on their good strength and fret resistance. Cu-Al alloys are used in different systems parts as bearings, gears and worm gears. The intention is to replace steel materials with new copper-based materials for parts that work in a possible explosive environment to reduce the possibility of spark appearance. Copper-berilyum alloys are known as non-sparking alloys and are used in different tools obtaining for environments with possible explosive gaseous. Results from the obtaining and analysis of a new alloy based on CuAlBe are given. The material was melted in a vacuum induction furnace from CuBe master alloy and high purity aluminium and cast into a metallic die. The alloys obtained were analyzed using EDS – energy dispersive spectroscopy for chemical composition, OM-optical and SEM-electronic microscopy for the microstructure, and the electro-corrosion resistance was tested using linear Tafel diagram and cyclic potentiometry.
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Authors and Affiliations

R.G Chelariu
1
ORCID: ORCID
N. Cimpoeșu
1
ORCID: ORCID
T.I. Birnoveanu
1
ORCID: ORCID
B. Istrate
2
ORCID: ORCID
C. Baciu
1
ORCID: ORCID
C. Bejinariu
1
ORCID: ORCID

  1. “Gheorghe Asachi” University of Iasi, Faculty of Materials Science Engineering, Prof.dr.doc. D. Mangeron Street, no. 41, Iași 700050, Romania
  2. “Gheorghe Asachi” University of Iasi, Faculty of Mechanical Engineering, Prof.dr.doc. D. Mangeron Street, No. 61-63, Iași 700050, Romania

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