Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Okba Belahssen"'
Autor:
Ali Amiar, Okba Belahssen, Mebrouk Ghougali, Mourad Mimouni, Ghani Rihia, Mohammed Sadok Mahboub, Yamina Benkrima
Publikováno v:
East European Journal of Physics, Iss 3, Pp 314-320 (2023)
In this study, we prepared mixtures of nickel oxide (NiO) and zinc (ZnO) in different proportions as thin films on high-purity glass substrates, using pyrolysis spray technique. Where samples of mixtures were precipitated from two solutions of nickel
Externí odkaz:
https://doaj.org/article/df66720e2fd446bdaed817c389d91bf5
Publikováno v:
Acta Metallurgica Slovaca, Vol 25, Iss 2 (2019)
In this paper, we are interested in the study of electrochemical, morphological and structural characteristics of the properties of the deposits of Zn-Ni-TiO2 obtained by electrodeposition on the mild steel substrate in a bath of sulfate. The princip
Externí odkaz:
https://doaj.org/article/12fb41d59c44488397b9e43fc9545a68
Publikováno v:
Acta Metallurgica Slovaca, Vol 24, Iss 3 (2018)
Currently, Ni-Cr coatings are widely used in a number of important applications due to their excellent properties. In this study, Ni-Cr alloys were electrodeposited from citrate bath onto Cu substrates by using different values of applied current den
Externí odkaz:
https://doaj.org/article/816b1c38723f4d19b0b048097cb63bb7
Publikováno v:
Acta Metallurgica Slovaca, Vol 23, Iss 1 (2017)
Nickel (Ni) is one of the most important hard coatings. Improvement in its tribological and mechanical properties would greatly enhance its use in industry. Nanocomposite coatings of metals with various reinforced nanoparticles have been developed in
Externí odkaz:
https://doaj.org/article/a80f4640b85740b79b55b35d8001fa6a
Publikováno v:
Acta Metallurgica Slovaca, Vol 21, Iss 3 (2015)
This paper presents wear behavior of the plasma nitrided 42CrMo4 steel. This steel is used in mechanical industry; it has been assessed by evaluating tribological properties and surface hardness by using a pin-on-disk wear machine and microhardness t
Externí odkaz:
https://doaj.org/article/829ca77794f94c23b647e12a77b46176
Publikováno v:
Acta Metallurgica Slovaca, Vol 20, Iss 4 (2014)
In the present paper, we have studied the effect of ageing temperature, ageing time and quenching temperature on structural, microstructure and mechanical properties of Al-Mg-Si alloy. The ageing temperature used in this work was 300 °C pending time
Externí odkaz:
https://doaj.org/article/b483ebbd1eb045e487d5cfd24b3082fc
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
Defect and Diffusion Forum. 406:285-291
Zinc oxide codoped with Fluorine and Cobalt thin films (FCZO) were successfully synthesized on heated glass substrate at 380 °C by spray pyrolysis technique. The influence of doping and codoping on the structural, optical and electrical properties w
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Djamel Berdjane, Okba Belahssen, Samira Djemili, Badreddine Maalem, Youcef Faci, Latifa Tairi
Publikováno v:
Acta Metallurgica Slovaca. 25:291-296
A significant amount of scale is produced during casting of ingots and processing of hot-rolled products. In manufacturing steel, during the various rolling operations, the amount of scale produced is approximately 0.1% of the annual production of th