Impact Strength of Composite Materials Based on EN AC-44200 Matrix Reinforced with Al2O3 Particles

• Autorzy: Kurzawa A. , Kaczmar J. W.

Identyfikatory

DOI

10.1515/afe-2017-0094

• Języki publikacji: EN

Abstrakty

EN

The paper presents the results of research of impact strength of aluminum alloy EN AC-44200 based composite materials reinforced with alumina particles. The research was carried out applying the materials produced by the pressure infiltration method of ceramic preforms made of Al2O3 particles of 3-6mum with the liquid EN AC-44200 Al alloy. The research was aimed at determining the composite resistance to dynamic loads, taking into account the volume of reinforcing particles (from 10 to 40% by volume) at an ambient of 23°C and at elevated temperatures to a maximum of 300°C. The results of this study were referred to the unreinforced matrix EN AC-44200 and to its hardness and tensile strength. Based on microscopic studies, an analysis and description of crack mechanics of the tested materials were performed. Structural analysis of a fracture surface, material structures under the crack surfaces of the matrix and cracking of the reinforcing particles were performed.

Słowa kluczowe

EN

composites; squeeze casting; aluminum; tensile strength; impact strength

PL

kompozyty; odlewy; aluminium; wytrzymałość na rozciąganie

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2017
• Tom: Vol. 17, iss. 3
• Strony: 73--78
• Opis fizyczny: Bibliogr. 18 poz., il., tab., wykr.

Twórcy

autor

Kurzawa A.

• Wrocław University of Technology, Faculty of Mechanical Engineering, Chair of Foundry Engineering, Plastics and Automation, ul. Ignacego Łukasiewicza 5, 50-371 Wrocław, Poland

autor

Kaczmar J. W.

• Wrocław University of Technology, Faculty of Mechanical Engineering, Chair of Foundry Engineering, Plastics and Automation, ul. Ignacego Łukasiewicza 5, 50-371 Wrocław, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)