Cermet composite material based on aluminothermy

• Autorzy: Penkov I. , Petkov V. , Valov R.

Identyfikatory

DOI

10.7356/iod.2017.27

• Języki publikacji: EN

Abstrakty

EN

A new method for synthesis of cermet composite materials was developed based on aluminothermy. Employing this method a cermet composite material with a high content of AlN crystal phase was synthesized. Fine powders of aluminum and silica glass were mixed and heated in a corundum crucible for 6 hours at 1100°C in air. The X-ray diffraction analysis showed that the composite material thus synthesized contains a high concentration of AlN particles (about 33 vol. %) embedded in an aluminum silicon alloy. A small amount of Al₂O₃ particles (about 8 vol. %) was also found. The method proposed can also be used for synthesis of aluminum matrix composite materials containing, besides AlN, other ceramic reinforcement phases. The properties of these composite materials can be tailored by choosing an appropriate composition of the initial powder mixture for aluminothermic synthesis.

Słowa kluczowe

EN

aluminum matrix composite; aluminum nitride; aluminothermy

• Wydawca: Instytut Odlewnictwa
• Czasopismo: Prace Instytutu Odlewnictwa
• Rocznik: 2017
• Tom: Vol. 57, no. 4
• Strony: 293--296
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Penkov I.

• Institute of Metal Science, Equipment and Technologies with Hydroaerodynamics Centre “Acad. A. Balevski” – Bulgarian Academy of Sciences, 67 Shipchenski prohod, 1574 Sofia, Bulgaria

autor

Petkov V.

• Institute of Metal Science, Equipment and Technologies with Hydroaerodynamics Centre “Acad. A. Balevski” – Bulgarian Academy of Sciences, 67 Shipchenski prohod, 1574 Sofia, Bulgaria

autor

Valov R.

• Institute of Metal Science, Equipment and Technologies with Hydroaerodynamics Centre “Acad. A. Balevski” – Bulgarian Academy of Sciences, 67 Shipchenski prohod, 1574 Sofia, Bulgaria

Bibliografia

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Uwagi

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