The attractive physical and mechanical properties of ordered intermetallic alloys have been recognized since early in this century. However, periodic attempts to develop intermetallics for structural applications were unsuc­ cessful, due in major part to the twin handicaps of inadequate low-temper­ ature ductility or toughness, together with poor elevated-temperature creep strength. The discovery, in 1979, by Aoki and Izumi in Japan that small additions of boron caused a dramatic improvement in the ductility of Ni3Al was a major factor in launching a new wave of fundamental and applied research on intermetallics. Another important factor was the issuance in 1984 of a National Materials Advisory Board reported entitled "Structural Uses for Ductile Ordered Alloys," which identified numerous potential defense-related applications and proposed the launching of a coordinated development program to gather engineering property and processing data. A substantial research effort on titanium aluminides was already underway at the Air Force Materials Laboratory at Wright­ Patterson Air Force Base in Ohio and, with Air Force support, at several industrial and university laboratories. Smaller programs also were under­ way at Oak Ridge National Laboratory, under Department of Energy sponsorship. These research efforts were soon augmented in the United States by funding from Department of Defense agencies such as Office of Naval Research and Air Force Office of Scientific Research, and by the National Science Foundation.

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zlib/Engineering/M. Yamaguchi, Y. Shirai (auth.), N. S. Stoloff, V. K. Sikka (eds.)/Physical Metallurgy and processing of Intermetallic Compounds_2114201.pdf

edited by N.S. Stoloff, V.K. Sikka

N. S Stoloff; Vinod K Sikka

Chapman & Hall

United States, United States of America

Springer Nature, New York, NY, 2012

Boston, MA, Massachusetts, 1996

New York, ©1996

Sep 30, 2011

1, 2012

sm23272965

{"edition":"1","isbns":["1461285151","1461312159","9781461285151","9781461312154"],"last_page":684,"publisher":"Springer US"}

This comprehensive and in-depth work details state-of-the-art intermetallic compounds, from mechanical properties and alloy development to processing and structural applications. Emphasizing the role of processing in developing microstructures and optimizing mechanical behavior, experts from a variety of disciplines: <br>
• detail environmental effects on mechanical properties, especially those caused by hydrogen and moisture <br>
• enable appropriate selection of materials for specific applications by comparing intermetallic behavior with that of other high-temperature materials such as superalloys and composite ceramics <br>
• describe powder and melt processing, as well as the mechanical working of intermetallics <br>
• offer insights into major developing intermetallic alloy systems, with particular focus on aluminides and silicides <br>
• examine creep, fatigue and fracture of intermetallic materials

Front Matter....Pages i-xv
Front Matter....Pages 1-1
Defect Structures....Pages 3-27
Grain Boundary Structure and Chemistry....Pages 28-55
Brittle Fracture and Toughening....Pages 56-94
Creep....Pages 95-125
Fatigue....Pages 126-155
Front Matter....Pages 157-157
The Physical and Mechanical Metallurgy of Ni 3 Al and Its Alloys....Pages 159-211
The Physical and Mechanical Metallurgy of NiAl....Pages 212-296
Titanium Aluminides....Pages 297-350
Iron Aluminides....Pages 351-391
Advanced Intermetallics....Pages 392-440
Silicides....Pages 441-475
Front Matter....Pages 477-477
Environmental Embrittlement....Pages 479-516
Aqueous Corrosion of Intermetallic Alloys....Pages 517-558
Front Matter....Pages 559-559
Processing of Aluminides....Pages 561-604
Powder Metallurgy Processing....Pages 605-654
Joining....Pages 655-675
Back Matter....Pages 677-684

2013-08-01