Effect of strain rate on the deformation and fracture behavior of ductile metals containing porosity
Conference
·
· TMS (The Metallurgical Society) Paper Selection; (USA)
OSTI ID:5450256
- Michigan Technological Univ., Houghton (USA)
The influence of strain rate on the tensile deformation and fracture behavior of powder-fabricated titanium and nickel containing porosity has been investigated. Measurements of uniform strains, local fracture strains, and elongations to failure show that, over the range of strain rates from 10{sup {minus}4} to 10{sup 2} s{sup {minus}1}, there is little or no effect of the strain rate on the fracture behavior of these materials at any of the porosity levels studied. A slight elongation minimum in the two lowest porosity levels for titanium occurs at intermediate strain rates and is interpreted to be due to thermal gradients forming during deformation.
- OSTI ID:
- 5450256
- Report Number(s):
- CONF-840909-; CODEN: TMPSA
- Journal Information:
- TMS (The Metallurgical Society) Paper Selection; (USA), Vol. 56; Conference: TMS-AIME fall meeting, Detroit, MI (USA), 16-20 Sep 1984; ISSN 0197-1689
- Country of Publication:
- United States
- Language:
- English
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