TU Darmstadt / ULB / TUbiblio

Crack growth resistance (R-curve) behaviour and thermo-physical properties of Al2O3 particle-reinforced AlN/Al matrix composites

Boddapati, Srinivasa Rao ; Rödel, Jürgen ; Jayaram, Vikram (2007)
Crack growth resistance (R-curve) behaviour and thermo-physical properties of Al2O3 particle-reinforced AlN/Al matrix composites.
In: Composites Part A: Applied Science and Manufacturing, 38 (3)
doi: 10.1016/j.compositesa.2006.06.015
Artikel, Bibliographie

Dies ist die neueste Version dieses Eintrags.

Kurzbeschreibung (Abstract)

Crack growth resistance behaviour and thermo-physical properties of Al2O3 particle-reinforced AlN/Al matrix composites have been studied as a function of AlN volume fraction as well as Al2O3 particle size. The fracture toughness of the composites decreased with increase in vol% AlN and decrease in Al2O3 particle size. All the composites exhibited R-curve behaviour which has been attributed to crack bridging by the intact metal ligaments behind the crack tip. The Young’s modulus of the composites increased with the vol% of AlN whereas the thermal diffusivity and coefficient of thermal expansion followed a reverse trend. The composites exhibited hysteresis in thermal expansion as a function of temperature and the hysteresis decreased with decrease in metal content of the composite.

Typ des Eintrags: Artikel
Erschienen: 2007
Autor(en): Boddapati, Srinivasa Rao ; Rödel, Jürgen ; Jayaram, Vikram
Art des Eintrags: Bibliographie
Titel: Crack growth resistance (R-curve) behaviour and thermo-physical properties of Al2O3 particle-reinforced AlN/Al matrix composites
Sprache: Englisch
Publikationsjahr: März 2007
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Composites Part A: Applied Science and Manufacturing
Jahrgang/Volume einer Zeitschrift: 38
(Heft-)Nummer: 3
DOI: 10.1016/j.compositesa.2006.06.015
Kurzbeschreibung (Abstract):

Crack growth resistance behaviour and thermo-physical properties of Al2O3 particle-reinforced AlN/Al matrix composites have been studied as a function of AlN volume fraction as well as Al2O3 particle size. The fracture toughness of the composites decreased with increase in vol% AlN and decrease in Al2O3 particle size. All the composites exhibited R-curve behaviour which has been attributed to crack bridging by the intact metal ligaments behind the crack tip. The Young’s modulus of the composites increased with the vol% of AlN whereas the thermal diffusivity and coefficient of thermal expansion followed a reverse trend. The composites exhibited hysteresis in thermal expansion as a function of temperature and the hysteresis decreased with decrease in metal content of the composite.

Freie Schlagworte: Particle-reinforcement; Fracture; Thermal properties; Liquid metal infiltration
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften
Hinterlegungsdatum: 15 Jun 2011 08:18
Letzte Änderung: 05 Mär 2013 09:48
PPN:
Export:
Suche nach Titel in: TUfind oder in Google

Verfügbare Versionen dieses Eintrags

Frage zum Eintrag Frage zum Eintrag

Optionen (nur für Redakteure)
Redaktionelle Details anzeigen Redaktionelle Details anzeigen