Superplastic Al-Li alloys
Conference
·
· TMS (The Metallurgical Society) Paper Selection; (USA)
OSTI ID:5449957
- Lockheed Palo Alto Research Laboratory, Palo Alto, CA (USA)
Superplastic properties have been developed in Al-Li based alloys. Alloys produced both by ingot metallurgy (IM) and powder metallurgy (PM) are included. The influences of processing parameters leading to superplasticity are discussed and, in particular, the properties of Al-Li alloys produced by rapid solidification processes are described. Microstructural changes that occur as a result of thermomechanical processing are presented. In addition, room temperature properties have been measured in the solution-treated and peak aged (T6) condition for all the alloys and comparison is made with other commercial, non-lithium-containing, superplastic alloys. Emphasis is placed on properties of interest in aerospace applications such as specific modulus and specific strength.
- OSTI ID:
- 5449957
- Report Number(s):
- CONF-840909--
- Conference Information:
- Journal Name: TMS (The Metallurgical Society) Paper Selection; (USA) Journal Volume: 56
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360102 -- Metals & Alloys-- Structure & Phase Studies
360103* -- Metals & Alloys-- Mechanical Properties
AEROSPACE INDUSTRY
ALLOYS
ALUMINIUM ALLOYS
CRYSTAL STRUCTURE
FABRICATION
HEAT TREATMENTS
INDUSTRY
LITHIUM ALLOYS
MATERIALS WORKING
MECHANICAL PROPERTIES
METALLURGY
MICROSTRUCTURE
PHASE TRANSFORMATIONS
PLASTICITY
POWDER METALLURGY
SOLIDIFICATION
THERMOMECHANICAL TREATMENTS
360102 -- Metals & Alloys-- Structure & Phase Studies
360103* -- Metals & Alloys-- Mechanical Properties
AEROSPACE INDUSTRY
ALLOYS
ALUMINIUM ALLOYS
CRYSTAL STRUCTURE
FABRICATION
HEAT TREATMENTS
INDUSTRY
LITHIUM ALLOYS
MATERIALS WORKING
MECHANICAL PROPERTIES
METALLURGY
MICROSTRUCTURE
PHASE TRANSFORMATIONS
PLASTICITY
POWDER METALLURGY
SOLIDIFICATION
THERMOMECHANICAL TREATMENTS