Temat: hypereutectic Al-Si alloy - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Fatigue Resistance of A390.0 Alloy Modified with Phosphorus
Autorzy:: Wieszała, R.
Piątkowski, J.
Powiązania:: https://bibliotekanauki.pl/articles/381178.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: fatigue wear
unilateral pulsating vibration
hypereutectic Al-Si alloy
zużycie zmęczeniowe
drganie pulsacyjne
stop nadeutektyczny Al-Si
Opis:: The paper presents fatigue tests (unilateral pulsating vibrations) for hypereutectic silumin AlSi17Cu5Mg aimed at simulation of deflection of the piston head in a combustion engine. The methodology of the tests and the way of marking the deflection of the tested material is described together with the detailed description of the test stand. The fatigue resistance Z_G was identified in the tested material and a Wöhler diagram was prepared to show the areas of limited and unlimited fatigue resistance.
Źródło:: Archives of Foundry Engineering; 2015, 15, 3 spec.; 99-102
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Application of FEM Analysis for Evaluation of the Stress and Deformation Distributions in the Top Layer of A390.0 Alloy During Friction
Autorzy:: Wieszała, R.
Piątkowski, J.
Bąkowski, H.
Powiązania:: https://bibliotekanauki.pl/articles/381624.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: hypereutectic Al-Si alloy
surface layer
finite elements method
FEM
stop Al-Si
warstwa powierzchniowa
metoda elementów skończonych
MES
Opis:: The paper presents an analysis of the effect of shape of primary silicon crystals on the sizes of stresses and deformations in a surface layer of A390.0 alloy by Finite Elements Method (FEM). Analysis of stereological characteristics of the studied alloy, performed based on a quantitative metallographic analysis in combination with a statistical analysis, was used for this purpose. The presented simulation tests showed not only the deposition depth of maximum stresses and strains, but also allowed for determining the aforementioned values depending on the shape of the silicon crystals. The studied material is intended for pistons of internal combustion engines, therefore the analysis of the surface layer corresponded to conditions during friction in a piston-cylinder system of an internal combustion engine having power of up to 100 kW. The obtained results showed important differences in the values of stresses and strains up to 15% between various shape of the silicon crystals. Crystals with sharp edges caused higher stresses and deformation locally than those with rounded shapes.
Źródło:: Archives of Foundry Engineering; 2017, 17, 1; 228-234
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Tribological Properties of AlSi17Cu5Mg Alloy Modified with CuP Master Alloy with Various Speeds of Friction
Autorzy:: Piątkowski, J.
Wieszała, R.
Powiązania:: https://bibliotekanauki.pl/articles/380741.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: friction coefficient
power of frictions
tribology
hypereutectic alloy Al-Si
współczynnik tarcia
siła tarcia
tribologia
stop Al-Si
Opis:: The paper presents the influence of modification with phosphorus (CuP10) on the tribological properties of the alloy AlSi17Cu5Mg coupled abrasively with cast-iron EN GJL-350. Tests of coefficient of friction and wear of mass were conducted on tribological tester T-01. An important aspect in the assessment of the tribological properties is the analysis of initial material microstructure in reference to silumin which underwent modification with phosphorus. It was found that the difference in structure of tested materials, mainly sizes of primary silicon crystals significantly influences the tribological properties whereas the speed change of the friction knot does not have such big influence.
Źródło:: Archives of Foundry Engineering; 2016, 16, 1; 45-48
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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