Reactive casting of ceramic composites (r-3C)

• Published in: Scripta materialia Vol. 44; no. 5; pp. 751 - 757
• Main Authors: Kumar, P, Travitzky, N.A, Beyer, P, Sandhage, K.H, Janssen, R, Claussen, N
• Format: Journal Article
• Language: English
• Published: New York, NY Elsevier Ltd 26-03-2001; Elsevier Science
• Subjects: Applied sciences; Casting; Composites; Cross-disciplinary physics: materials science; rheology; Dispersion-, fiber-, and platelet-reinforced metal-based composites; Exact sciences and technology; Intermetallics; Materials science; Metals. Metallurgy; Other materials; Physics; Reactive infiltration; Refractory alloys; Specific materials; Intermetallics; Casting; Composites; Reactive infiltration; Refractory alloys; Nickel base alloys; Composite materials; Intermetallic compounds; Heat resisting alloys; Infiltration; XRD; Experimental study; Alumina; Titanium base alloys; Dispersion strengthened metal; Iron base alloys
• ISSN: 1359-6462; 1872-8456
• DOI: 10.1016/S1359-6462(00)00667-9

Oxide/metal or oxide/intermetallic composites feature an attractive combination of mechanical properties, such as enhanced fracture strength and toughness, enhanced wear and creep resistance, stiffness, and hardness at reduced weight. However, scaleable, low-cost methods for fabricating dense shaped composites need to be developed to allow the commercial use of these materials in automotive, aircraft, energy production, and other applications. A new set of processes, termed collectively Reactive Casting of Ceramic Composites (r-3C), have recently been developed which combine the advantages of both infiltration and reaction processing. Here, the feasibility of fabricating alumina /aluminide and metal/alumina composites by four types of r-3C processes is demonstrated. (CSA)