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Journal of Materials Science

, Volume 54, Issue 9, pp 7246–7255 | Cite as

A thermal processing map of a ZrCuNiAlEr bulk metallic glass in the supercooled liquid region

  • Chunyan LiEmail author
  • Jinfeng Yin
  • Juanqiang Ding
  • Fuping Zhu
  • Fei Xu
  • Yanchun Zhao
  • Shengzhong Kou
Metals

Abstract

Thermal compression tests of (Zr0.6336Cu0.1452Ni0.1012Al0.12)97.4Er2.6 bulk metallic glass (BMG) were performed at temperature of 410, 420, 430 and 440 °C and strain rates of 5 × 10−4, 10−3, 5 × 10−3 and 10−2 s−1, and a thermal processing map was constructed in the supercooled liquid region. The results indicate that in low strain rate regions (5 × 10−4–10−3 s−1), the processing efficiency range is 70–85% and stress range is 70–120 MPa with temperatures of 410 and 420 °C, and the samples can be thermally processed under relatively small stress and show better fluidity, so temperatures of 410 and 420 °C and the strain rate range of 5 × 10−4–10−3 s−1 are optional thermal processing parameters. When the temperature is 430 °C and the strain rate range is 5 × 10−4–10−2 s−1, the processing efficiency range is 75–85%, and the stress range is 16–106 MPa. The (Zr0.6336Cu0.1452Ni0.1012Al0.12)97.4Er2.6 BMG can be thermoformed under smaller flow stress and shows excellent fluidity; therefore, 430 °C and 5 × 10−4–10−2 s−1 also are optional thermal processing parameters.

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Nos. 51661016, 51861021, 51571105, 51661017), Wenzhou Public Welfare Science and Technology Project (G20170019) and the Natural Science Foundation of Gansu Province (Grant No. 145RJZA090).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringLanzhou University of TechnologyLanzhouChina
  2. 2.State Key Laboratory of Advanced Processing and Reuse of Nonferrous MetalsLanzhou University of TechnologyLanzhouChina
  3. 3.Wenzhou Engineering Institute of Pump and ValveLanzhou University of TechnologyWenzhouChina
  4. 4.Technology Department, Science and TechnologyXCMG Earthmoving Machinery DivisionXuzhouChina

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