Influence of different aluminium alloys on the material properties of CF/Al-MMC manufactured by GPI method

• Autorzy: Hufenbach W. , Gude M. , Czulak A. , Engelmann F.

Warianty tytułu

PL

Wpływ różnych stopów aluminium na własności materiałowe CF/Al-MMC wykonanych za pomocą metody GPI

• Języki publikacji: EN

Abstrakty

EN

Carbon fibre (CF) reinforced aluminium (Al) composites show a high potential for lightweight design of structural components subjected to thermo-mechanical loadings. The relatively high stiffness and strength of the metal matrix allow the introduction of extremely high forces, thereby enabling a much better exploitation of the existing lightweight construction potential of this material in comparison to other composite materials. The manufacture of CF/Al-composites by the help of an advanced differential gas pressure infiltration (GPI) technique was developed at ILK, TU Dresden. Specimens made of carbon fibre reinforced aluminium metal matrix composites (CF/Al-MMC) were manufactured by GPI technology using moulds of graphite, nickel coated carbon fibres and different types of aluminium matrices. Examinations such as tensile tests, microscopic analysis and inspections of fracture surfaces provide a relation between mechanical properties of the manufactured CF/Al-MMC and the formation of their microstructure during the gas pressure infiltration process subjected to the type of aluminium matrix.

PL

Kompozyty wykonane z aluminium (Al) wzmocnionego włóknem węglowym (CF) wykazują ogromny potencjał w konstrukcjach lekkich elementów poddanych termomechanicznym obciążeniom. Stosunkowo duża sztywność i wytrzymałość osnowy metalowej umożliwia przeniesienie niezwykle dużych obciążeń, co pozwala na znacznie lepsze wykorzystanie istniejących możliwości konstrukcyjnych tego materiału w porównaniu do innych materiałów kompozytowych. Produkcja kompozytów CF/Al- za pomocą zaadaptowanej infiltracji ciśnieniowej (GPI) została opracowana w ILK, TU Dresden. Próbki aluminium wzmocnionego włóknem węglowym (CF/Al-MMC) zostały wykonane technologią GPI z użyciem form grafitowych z wykorzystaniem włókien węglowych powlekanych niklem oraz różnych rodzajów osnów aluminiowych. Przeprowadzone badania wytrzymałości na rozciąganie oraz analiza mikroskopowa powierzchni pękania pozwoliły dostarczyć informacji o zależnościach pomiędzy właściwościami mechanicznymi wytwarzanych CF/Al-MMC oraz powstałą mikrostrukturą w czasie procesu infiltracji gazowej w odniesieniu do rodzaju zastosowanej osnowy aluminiowej.

Słowa kluczowe

EN

composite; carbon fibre-reinforced aluminium; gas pressure infiltration; MMC

PL

kompozyt; kompozyty aluminiowe; włókno węglowe; infiltracja gazowa; MMC

• Wydawca: Wydawnictwo Politechniki Częstochowskiej
• Czasopismo: Kompozyty
• Rocznik: 2010
• Tom: R. 10, nr 2
• Strony: 143--148
• Opis fizyczny: Bibliogr. 34 poz., rys., tab.

Twórcy

autor

Hufenbach W.

autor

Gude M.

autor

Czulak A.

autor

Engelmann F.

• Technische Universität Dresden, Institut für Leichtbau und Kunststofftechnik (ILK), 01062 Dresden, Germany,

Bibliografia

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