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Vol 11, Issue 1, 2016
Pages: 37 - 42
Professional paper
Metallic materials
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Published: 21.04.2016. Professional paper Metallic materials

A COMPARATIVE ANALYSIS OF BRONZE LAYER ON BEARING SLEEVE

By
Belma Fakić ,
Belma Fakić
Contact Belma Fakić

Institute Kemal Kapetanović, University of Zenica , Zenica , Bosnia and Herzegovina

Adisa Burić ,
Adisa Burić

Institute Kemal Kapetanović, University of Zenica , Zenica , Bosnia and Herzegovina

Edib Horoz ,
Edib Horoz

Institute Kemal kapetanović, University of Zenica , Zenica , Bosnia and Herzegovina

Amira Pašalić ,
Amira Pašalić

Institute Kemal Kapetanović, University of Zenica , Zenica , Bosnia and Herzegovina

Elvedin Ćosatović
Elvedin Ćosatović

Pobjeda d.d. Tešanj , Tešanj , Bosnia and Herzegovina

Abstract

Oil pump, apropos gear pump is used for lubrication in the automotive industry. In the process of the 
engine, and the oil pump, there is rotation of the shaft and without bearing sleeve there would be 
„spending”casing which is made of cast iron. The bearing sleeve is mounted in order to reduce wear 
and ensure the consistency of the oil pump. The bearing sleeve is a consisted of two parts, namely 
made of steel and bronze layer. 
In order to confim the quality of the bearing sleeve of the two manufacturers, investigation layer of 
bronze on Scanning Electron Microscopy (SEM) and clasic Atomic Absorption Spectrophotometry 
(AAS) of chip material bronze was performed. Hardness testing and measurement of thickness layer 
was performed, too. 

References

1.
Izvještaj o ispitivanju čahura broj 101/15 od 06.05.2015.
2.
Standard BAS EN ISO 6507: 2007 - Metalni materijali - Tvrdoća po Vikersu - Dio 1:Metoda ispitivanja.
3.
Bakar i legure bakra – Odlivci legura bakra – Hemijski sastav i mehaničke osobine.

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