Abstract
Tension creep tests of METGLAS (R) 2826 in the temperature range 523–573 K at stresses from 620 to 1620 MPa have demonstrated that the strain rate-stress relationship for this material is non-linear. The data can be described by a power law relationship, with the stress exponent varying from 7 at 573 K to 10 at 523 K. Macroscopic tensile strains up to 20% have been recorded. Examination of the fracture surfaces of specimens which failed during creep reveal that this material is capable of necking to a chisel edge. Accordingly even greater macroscopic ductility may result from the elimination of detrimental surface defects.
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