The plasticity of Fe78Si9B13 amorphous alloy thin strip was modified by conventional annealing and current annealing.Nanoindentation tests and plastic forming tests were carried out to evaluate the properties and forming effect of Fe78Si9B13 amorphous alloy thin strip under the two annealing processes.The results show that when the temperatures of the two annealing processes are the same,the hardness and elastic modulus of the Fe78Si9B13 amorphous alloy thin strips after current annealing are lower,and the plastic forming effect is better,in which the nanoindentation displacement after current annealing at 300 ℃ for 20 min is the largest,and the improvement of the plastic deformation behavior is also the most obvious.
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