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Title: Imprinting bulk amorphous alloy at room temperature

Abstract

We present investigations on the plastic deformation behavior of a brittle bulk amorphous alloy by simple uniaxial compressive loading at room temperature. A patterning is possible by cold-plastic forming of the typically brittle Hf-based bulk amorphous alloy through controlling homogenous flow without the need for thermal energy or shaping at elevated temperatures. The experimental evidence suggests that there is an inconsistency between macroscopic plasticity and deformability of an amorphous alloy. Moreover, imprinting of specific geometrical features on Cu foil and Zr-based metallic glass is represented by using the patterned bulk amorphous alloy as a die. These results demonstrate the ability of amorphous alloys or metallic glasses to precisely replicate patterning features onto both conventional metals and the other amorphous alloys. In conclusion, our work presents an avenue for avoiding the embrittlement of amorphous alloys associated with thermoplastic forming and yields new insight the forming application of bulk amorphous alloys at room temperature without using heat treatment.

Authors:
 [1];  [2];  [3];  [3];  [4];  [5];  [6];  [1]
  1. Korea Institute of Industrial Technology, Incheon (Korea)
  2. Samsung Electronics Co., Ltd., Suwon (Korea). Global Technology Center
  3. Ames Lab., Ames, IA (United States)
  4. Korea Univ., Seoul (Korea). Dept. of Materials Science and Engineering
  5. Yonsei Univ., Seoul (Korea)
  6. Austrian Academy of Sciences, Leoben (Austria). Erich Schmid Institute of Materials Science; Montanuniversitat Leoben, Leoben (Austria)
Publication Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1258594
Grant/Contract Number:  
AC02-07CH11358
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 5; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Kim, Song-Yi, Park, Eun-Soo, Ott, Ryan T., Lograsso, Thomas A., Huh, Moo-Young, Kim, Do-Hyang, Eckert, Jürgen, and Lee, Min-Ha. Imprinting bulk amorphous alloy at room temperature. United States: N. p., 2015. Web. doi:10.1038/srep16540.
Kim, Song-Yi, Park, Eun-Soo, Ott, Ryan T., Lograsso, Thomas A., Huh, Moo-Young, Kim, Do-Hyang, Eckert, Jürgen, & Lee, Min-Ha. Imprinting bulk amorphous alloy at room temperature. United States. doi:10.1038/srep16540.
Kim, Song-Yi, Park, Eun-Soo, Ott, Ryan T., Lograsso, Thomas A., Huh, Moo-Young, Kim, Do-Hyang, Eckert, Jürgen, and Lee, Min-Ha. Fri . "Imprinting bulk amorphous alloy at room temperature". United States. doi:10.1038/srep16540. https://www.osti.gov/servlets/purl/1258594.
@article{osti_1258594,
title = {Imprinting bulk amorphous alloy at room temperature},
author = {Kim, Song-Yi and Park, Eun-Soo and Ott, Ryan T. and Lograsso, Thomas A. and Huh, Moo-Young and Kim, Do-Hyang and Eckert, Jürgen and Lee, Min-Ha},
abstractNote = {We present investigations on the plastic deformation behavior of a brittle bulk amorphous alloy by simple uniaxial compressive loading at room temperature. A patterning is possible by cold-plastic forming of the typically brittle Hf-based bulk amorphous alloy through controlling homogenous flow without the need for thermal energy or shaping at elevated temperatures. The experimental evidence suggests that there is an inconsistency between macroscopic plasticity and deformability of an amorphous alloy. Moreover, imprinting of specific geometrical features on Cu foil and Zr-based metallic glass is represented by using the patterned bulk amorphous alloy as a die. These results demonstrate the ability of amorphous alloys or metallic glasses to precisely replicate patterning features onto both conventional metals and the other amorphous alloys. In conclusion, our work presents an avenue for avoiding the embrittlement of amorphous alloys associated with thermoplastic forming and yields new insight the forming application of bulk amorphous alloys at room temperature without using heat treatment.},
doi = {10.1038/srep16540},
journal = {Scientific Reports},
number = ,
volume = 5,
place = {United States},
year = {2015},
month = {11}
}

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    Works referencing / citing this record:

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