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Wyszukujesz frazę "Tunçay, T." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
The Effect of Modification and Grain Refining on the Microstructure and Mechanical Properties of A356 Alloy
Autorzy:
Tunçay, T.
Powiązania:
https://bibliotekanauki.pl/articles/1033394.pdf
Data publikacji:
2017-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.05.Bx
Opis:
In this study, microstructure and mechanical properties of modified (Al10Sr) and grain refined (Al5TiB) A356 aluminum alloy were investigated. To determine the effect of modification and grain refining on the microstructure and mechanical properties of A356 alloy, density measurement, optical microscope and scanning electron microscope examinations and tensile tests were performed. As a result of the study, the highest density and the least percentage of porosity were measured for the modified (with Al10Sr) and grain refined (with 1.5% Al5TiB) alloy system. The lowest density values and the highest percentage of porosity were measured for the unmodified and non-grain refined alloy. According to the tensile tests, average ultimate tensile strength and the highest elongation were obtained for the alloy modified with Al10Sr and grain refined with 1.5% Al5TiB alloy. It was determined that average ultimate tensile strength and percentage of elongation increased as the amount of Al5TiB added for grain refinement and modified to A356 alloy increased.
Źródło:
Acta Physica Polonica A; 2017, 131, 1; 89-91
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Investigation of the Effects of Ageing Parameters on Wear Behaviours and Electrical Conductivity of Cu-Co-Be Alloys
Autorzy:
Özyürek, D.
Yıldırım, M.
Tunçay, T.
Powiązania:
https://bibliotekanauki.pl/articles/1398723.pdf
Data publikacji:
2016-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.40.Pq
Opis:
In this study, the effects of ageing parameters were investigated on wear behaviours and electrical conductivity of Cu-Co-Be alloy. The samples were quenched at room temperature after solution heat treated for 1 h. Then, ageing processes were applied for three different temperatures (470°C, 500°C, 530°C) and for three different ageing times (1, 2, 3 h). Microstructure examining, electrical conductivity and hardness measurements were carried out after ageing process. On the samples, which obtained the highest hardness values from hardness test (470°C), there were carried out wear tests with 1 m s¯¹ sliding speed under 30 N at four sliding distance (500-2000 m). Results clearly show that the highest hardness values were measured for samples aged at 470°C for 3 h and hardness values were decreased with increasing ageing temperature. The lowest weight loss values were evaluated for samples aged at 470°C for 3 h. The highest electrical conductivity values were measured at 500°C for 1 h aged samples.
Źródło:
Acta Physica Polonica A; 2016, 129, 4; 559-561
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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