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Title: Achieving large linear elasticity and high strength in bulk nanocompsite via synergistic effect

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep08892· OSTI ID:1201551
 [1];  [1];  [1];  [2];  [1];  [1];  [3];  [4]
  1. China Univ. of Petroleum, Beijing (China). State Key Lab. of Heavy Oil Processing.
  2. Univ. of Western Australia, Crawley (Australia). School of Mechanical and Chemical Engineering.
  3. Northern Illinois Univ., De Kalb, IL (United States). Dept. of Physics.
  4. Argonne National Lab. (ANL), Argonne, IL (United States)

Elastic strain in bulk metallic materials is usually limited to only a fraction of 1%. Developing bulk metallic materials showing large linear elasticity and high strength has proven to be difficult. Here, based on the synergistic effect between nanowires and orientated martensite NiTi shape memory alloy, we developed an in-situ Nb nanowires-orientated martensitic NiTi matrix composite showing an ultra-large linear elastic strain of 4% and an ultrahigh yield strength of 1.8 GPa. This material also has a high mechanical energy storage efficiency of 96% and a high energy storage density of 36 J/cm3 that is almost one order of larger than that of spring steel. It is demonstrated that the synergistic effect allows the exceptional mechanical properties of nanowires to be harvested at macro scale and the mechanical properties of matrix to be greatly improved, resulting in these superior properties. This research provides new avenues for developing advanced composites with superior properties by using effective synergistic effect between components.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1201551
Alternate ID(s):
OSTI ID: 1239626
Journal Information:
Scientific Reports, Vol. 5; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 15 works
Citation information provided by
Web of Science

References (28)

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Cited By (1)

The Mechanical Properties of Nanowires journal January 2017

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