Processing of Porous NiTi Preforms for NiTi/Mg Composites

• Autorzy: Kucharczyk A. , Naplocha K. , Tomanik M.

Identyfikatory

DOI

10.24425/amm.2019.127608

• Języki publikacji: EN

Abstrakty

EN

NiTi alloys are successfully used in engineering and medical applications because of their properties, such as shape memory effect, superelasticity or mechanical strength. A composite with Mg matrix, due to its vibration damping properties, can be characterized by low weight and good vibration damping properties. In this study, a combination of two techniques was used for successful fabrication of Mg composite reinforced by NiTi alloy preform. The porous preforms synthesized by Self-propagating Hightemperature Synthesis (SHS) from elemental powders were subsequently infiltrated with Mg by squeeze casting. The effects were examined with scanning electron microscope with EDS detector, X-ray diffraction and microindentation. The inspection has shown well-connected matrix and reinforcement; no reaction at the interface and open porosities fully infiltrated by liquid Mg. Moreover, analysis of samples’ fracture has exhibited that crack propagates inside the Mg matrix and there is no detachment of reinforcement.

Słowa kluczowe

EN

metal matrix composite; magnesium; nitinol; SHS; squeeze casting

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2019
• Tom: Vol. 64, iss. 2
• Strony: 747--752
• Opis fizyczny: Bibliogr. 16 poz., fot., rys., tab., wzory

Twórcy

autor

Kucharczyk A.

• Wrocław University of Science and Technology, Faculty of Mechanical Engineering, Chair of Foundry Engineering, Plastics and Automation, 25 Smoluchowskiego Str., 50-372 Wrocław, Poland

autor

Naplocha K.

• Wrocław University of Science and Technology, Faculty of Mechanical Engineering, Chair of Foundry Engineering, Plastics and Automation, 25 Smoluchowskiego Str., 50-372 Wrocław, Poland

autor

Tomanik M.

• Wrocław University of Science and Technology, Faculty of Mechanical Engineering, Department of Biomedical Engineering, Mechatronics and Theory of Mechanisms, 7/9 Łukasiewicza Str., 50-371 Wrocław, Poland

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).