Abstract
The time, temperature and stress dependence of the homogeneous flow of amorphous FeNiPB and PdCuSi has been examined in tensile creep, tensile stress relaxation and bend stress relaxation tests. The results are shown to be entirely self-consistent, and are used to reconcile the discrepancies found in the literature data. In all cases, the viscosity increases linearly with time, the rate of increase being both temperature and composition dependent. The stress dependence of the strain rate follows a hyperbolic sine relation. The volume strain element appears to be a function of temperature and composition. A general empirical flow law for amorphous alloys is presented based on these observations. It is shown to be in agreement with all the available data.
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