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Titolo:
Advances in processing of Ni3Al-based intermetallics and applications
Autore:
Sikka, VK; Deevi, SC; Viswanathan, S; Swindeman, RW; Santella, ML;
Indirizzi:
Oak Ridge Natl Lab, Div Met & Ceram, Oak Ridge, TN 37831 USA Oak Ridge Natl Lab Oak Ridge TN USA 37831 Ceram, Oak Ridge, TN 37831 USA Phillip Morris USA, Ctr Res Dev & Engn, Richmond, VA 23234 USA Phillip Morris USA Richmond VA USA 23234 v & Engn, Richmond, VA 23234 USA
Titolo Testata:
INTERMETALLICS
fascicolo: 9-11, volume: 8, anno: 2000,
pagine: 1329 - 1337
SICI:
0966-9795(200009/11)8:9-11<1329:AIPONI>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
ALUMINIDES; NICKEL;
Keywords:
nickel aluminides, based on Ni3Al; mechanical properties of high temperatures; casting; corrosion- and erosion-resistant applications; furnace furniture, including heating elements;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Sikka, VK Oak Ridge Natl Lab, Div Met & Ceram, POB 2008, Oak Ridge, TN 37831 USA Oak Ridge Natl Lab POB 2008 Oak Ridge TN USA 37831 TN 37831 USA
Citazione:
V.K. Sikka et al., "Advances in processing of Ni3Al-based intermetallics and applications", INTERMETALL, 8(9-11), 2000, pp. 1329-1337

Abstract

The intermetallic-based alloys for structural applications have been an active field of research around the world for the last 20 years. Several major breakthroughs have occurred in this field during this time period. These breakthroughs include: (I) the dramatic effects of boron on ductility improvement for Ni3Al at ambient and high temperatures, (2) effect of chromium addition for intermediate temperature ductility improvement of Ni3Al, and (3) identification of an environmental effect from hydrogen generated by the reduction of moisture in air by aluminum in the aluminides. The knowledge of the compositional effects has led to the development of Ni3Al-based alloys, which allowed them to be taken from laboratory-size melts to commercial applications. This paper will describe the advances in melting practice, casting practices, solidification modeling as it applies to static and centrifugal castings and weld repairs, and welding of castings. This paper will also describe various applications of Ni3Al-based alloys and their current status of commercialization. (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/04/20 alle ore 03:01:39