Strontium metal; tensile strength; tensile elongation; strain rate sensitivity Strontium metal; tensile strength; tensile elongation; strain rate sensitivity
1Ames Laboratory, US Department of Energy, Ames, IA 50011, USA
2Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011, USA
Adv. Mater. Lett., 2012, Current Issue, 3 (5), pp 362-364
DOI: 10.5185/amlett.2012.6360
Publication Date (Web): Sep 16, 2012
Copyright © IAAM-VBRI Press
E-mail: russell@iastate.edu
The yield strength, ultimate tensile strength, elastic modulus, and strain rate sensitivity of pure Sr metal in the as-extruded condition were determined by tensile testing and compared with the properties of other alkaline metals. Two strain rates were used for testing. At a strain rate of 6.5×10-4 s-1, Sr has a 0.2% offset yield strength of 71.6 MPa, an ultimate tensile strength of 88.1 MPa, and 10.4% elongation at fracture. At a strain rate of 6.3×10-3 s-1, Sr has a 0.2% offset yield strength of 81.9 MPa, and ultimate tensile strength of 101.5 MPa, and 5.0% elongation at fracture. The strain rate sensitivity was determined to be 0.059.
Strontium metal, tensile strength, tensile elongation, strain rate sensitivity
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