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Designing metallic glass matrix composites with high toughness and tensile ductility

Author

Listed:
  • Douglas C. Hofmann

    (Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125, USA)

  • Jin-Yoo Suh

    (Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125, USA)

  • Aaron Wiest

    (Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125, USA)

  • Gang Duan

    (Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125, USA)

  • Mary-Laura Lind

    (Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125, USA)

  • Marios D. Demetriou

    (Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125, USA)

  • William L. Johnson

    (Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125, USA)

Abstract

A perfect match Bulk metallic glasses (BMGs) are a new class of engineering materials attracting significant technological interest. Many of these metals exhibit high strength and resist fracture, but they tend to lack tensile ductility and fail in an apparently brittle manner under a mechanical load. BMG–matrix composites, in which isolated dendrites stabilize the glass against catastrophic failure, overcome some of these weaknesses. Hofmann et al. take this approach a stage further by producing 'designed composites' with optimized mechanical properties by the matching of key fundamental mechanical and microstructural length scales. The resulting titanium–zirconium-based composites demonstrate high ductility and fracture toughness comparable with the toughest titanium and steel alloys.

Suggested Citation

  • Douglas C. Hofmann & Jin-Yoo Suh & Aaron Wiest & Gang Duan & Mary-Laura Lind & Marios D. Demetriou & William L. Johnson, 2008. "Designing metallic glass matrix composites with high toughness and tensile ductility," Nature, Nature, vol. 451(7182), pages 1085-1089, February.
    • Handle: RePEc:nat:nature:v:451:y:2008:i:7182:d:10.1038_nature06598
    DOI: 10.1038/nature06598
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    Cited by:

    1. Hengwei Luan & Xin Zhang & Hongyu Ding & Fei Zhang & J. H. Luan & Z. B. Jiao & Yi-Chieh Yang & Hengtong Bu & Ranbin Wang & Jialun Gu & Chunlin Shao & Qing Yu & Yang Shao & Qiaoshi Zeng & Na Chen & C. , 2022. "High-entropy induced a glass-to-glass transition in a metallic glass," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Ge Wu & Sida Liu & Qing Wang & Jing Rao & Wenzhen Xia & Yong-Qiang Yan & Jürgen Eckert & Chang Liu & En Ma & Zhi-Wei Shan, 2023. "Substantially enhanced homogeneous plastic flow in hierarchically nanodomained amorphous alloys," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    3. Ge Wu & Chang Liu & Yong-Qiang Yan & Sida Liu & Xinyu Ma & Shengying Yue & Zhi-Wei Shan, 2024. "Elemental partitioning-mediated crystalline-to-amorphous phase transformation under quasi-static deformation," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    4. Shannon A Zirbel & Kyler A Tolman & Brian P Trease & Larry L Howell, 2016. "Bistable Mechanisms for Space Applications," PLOS ONE, Public Library of Science, vol. 11(12), pages 1-18, December.

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