Nanocrystallization at shear bands in bulk metallic glass matrix composites

Min Ha Lee; Dong Hyun Bae; Do Hyang Kim; Won Tae Kim; Daniel J. Sordelet; Ki Buem Kim; Jürgen Eckert

doi:10.1016/j.scriptamat.2007.11.032

Nanocrystallization at shear bands in bulk metallic glass matrix composites

Min Ha Lee, Dong Hyun Bae, Do Hyang Kim, Won Tae Kim, Daniel J. Sordelet, Ki Buem Kim, Jürgen Eckert

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

We investigated the effect of reinforcement on the formation of nanocrystals at shear bands in a Ni-based metallic glass matrix composite in comparison with monolithic Ni-based bulk metallic glass when shear bands are generated during deformation. The results suggest that the occurrence of nanocrystallization at a shear band implies a stress concentration by a geometrical effect of the reinforcement phase on the compressive loading conditions.

Original language	English
Pages (from-to)	651-654
Number of pages	4
Journal	Scripta Materialia
Volume	58
Issue number	8
DOIs	https://doi.org/10.1016/j.scriptamat.2007.11.032
Publication status	Published - 2008 Apr

Bibliographical note

Funding Information:
This work was supported by the European Union within the framework of the Research Training Network on “ductile bulk metallic glass composites” (MRTN-CT-2003-504692), Basic Energy Sciences of the US Department of Energy through Iowa State University under Contract No. W-7405-ENG-82. Additional funding provided by the Global Research Laboratory Program of Korea Ministry of Science and Technology is also gratefully acknowledged.

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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title = "Nanocrystallization at shear bands in bulk metallic glass matrix composites",

abstract = "We investigated the effect of reinforcement on the formation of nanocrystals at shear bands in a Ni-based metallic glass matrix composite in comparison with monolithic Ni-based bulk metallic glass when shear bands are generated during deformation. The results suggest that the occurrence of nanocrystallization at a shear band implies a stress concentration by a geometrical effect of the reinforcement phase on the compressive loading conditions.",

author = "Lee, {Min Ha} and Bae, {Dong Hyun} and Kim, {Do Hyang} and Kim, {Won Tae} and Sordelet, {Daniel J.} and Kim, {Ki Buem} and J{\"u}rgen Eckert",

note = "Funding Information: This work was supported by the European Union within the framework of the Research Training Network on “ductile bulk metallic glass composites” (MRTN-CT-2003-504692), Basic Energy Sciences of the US Department of Energy through Iowa State University under Contract No. W-7405-ENG-82. Additional funding provided by the Global Research Laboratory Program of Korea Ministry of Science and Technology is also gratefully acknowledged.",

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AU - Lee, Min Ha

AU - Bae, Dong Hyun

AU - Kim, Do Hyang

AU - Kim, Won Tae

AU - Sordelet, Daniel J.

AU - Kim, Ki Buem

AU - Eckert, Jürgen

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N2 - We investigated the effect of reinforcement on the formation of nanocrystals at shear bands in a Ni-based metallic glass matrix composite in comparison with monolithic Ni-based bulk metallic glass when shear bands are generated during deformation. The results suggest that the occurrence of nanocrystallization at a shear band implies a stress concentration by a geometrical effect of the reinforcement phase on the compressive loading conditions.

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