Powder metallurgy of superalloys

Book · Sun Jan 01 04:00:00 EST 1984

OSTI ID:7142044

Gessinger, G H

Powder metallurgy superalloys were developed in the mid-1960's when stronger aircraft turbine disk materials were needed. Their characteristics of greatly reduced segregation, better hot-workability, improved mechanical properties, and cost-effective manufacturing processes made P/M superalloys highly desirable in high-temperature applications. This book deals with prealloyed superalloys including rapidly solidified (RSR) alloys and oxide-dispersion strengthened alloys, as well as processing techniques such as sintering, hot isostatic pressing, extrusion, and isothermal forging. The large range of microstructures possible are correlated with mechanical properties at intermediate and elevated temperatures. Methods of powder production and consolidation are detailed, as are thermomechanical processing principles by which different microstructures can be created. Non-destructive testing techniques, and problems and advances relating to mechanical properties and processing are also covered.

• OSTI ID: 7142044
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
CONTROL
ECONOMICS
FABRICATION
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
JOINING
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLURGY
NONDESTRUCTIVE TESTING
OXIDATION
POWDER METALLURGY
PRODUCTION
QUALITY CONTROL
TESTING