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Structure evolution of bulk Zr60Cu20Pd10Al10 amorphous alloy during rolling deformation

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Abstract

Bulk Zr60Cu20Pd10Al10 amorphous alloy was rolled at room temperature up to 96% reduction in thickness without fracture. The changes of microstructure and hardness during rolling deformation were investigated by X-ray diffraction, differential scanning calorimetry, high-resolution transmission electron microscopy, and microhardness measurement. It is revealed that the rolling deformation causes the quenched-in nuclei in the glass to grow slowly before a deformation degree of 90%. Substantial nanocrystallization occurs at higher deformation degree, where the softening induced by shear bands can even be compensated by the nanocrystallization.

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Acknowledgements

Financial support from the National Natural Science Foundation of China under Grant No. 50671066 is acknowledged. The authors are grateful to Mr. Jianyi Tang and Ms. Hui Xing for the TEM observation.

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Correspondence to J. F. Li.

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Zhang, P.N., Li, J.F., Hu, Y. et al. Structure evolution of bulk Zr60Cu20Pd10Al10 amorphous alloy during rolling deformation. J Mater Sci 43, 7179–7183 (2008). https://doi.org/10.1007/s10853-008-3019-x

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  • DOI: https://doi.org/10.1007/s10853-008-3019-x

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