Retained Ambient Temperature Properties of Superplastically Deformed Al-10%Mg-0.1%Zr, Al-10%Mg-0.5%Mn and Al-10%Mg-0.4%Cu Alloys.
Abstract
The room temperature mechanical properties of three superplastic, high-Magnesium, Aluminum-Magnesium alloys (Al-10%Mg-0.1%Zr, Al-10%Mg-0.5%Mn, Al-10%Mg-0.4%Cu) were evaluated after simulated superplastic forming at warm temperature. The alloys were initially processed to produce superplastic response. They were then deformed at 300 C to stains of 100 to 200 % at strain rates of 1,700 S or 170 S and samples remachined for ambient temperature testing. Results indicate yield strengths of about 276 MPa (40 KSI) are attainable with ductility varying from about 1 to 14 percent elongation at fracture. Ultimate strengths correspondingly vary up to about 517 MPa (75 KSI). Origin of the variability of the ductility is considered.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1985
- Accession Number
- ADA164493
Entities
People
- Karl A. Klankowski
Organizations
- Naval Postgraduate School