Induced multiple heterogeneities and related plastic improvement by laser surface treatment in CuZr-based bulk metallic glass

Guojuan Wu; Ran Li; Zengqian Liu; Bingqing Chen; Yan Li; Yan Cai; Tao Zhang

doi:10.1016/j.intermet.2012.01.022

Induced multiple heterogeneities and related plastic improvement by laser surface treatment in CuZr-based bulk metallic glass

Guojuan Wu
, Ran Li^*
, Zengqian Liu
, Bingqing Chen
, Yan Li
, Yan Cai
, Tao Zhang

^*Corresponding author for this work

School of Materials Science and Engineering

Beihang University

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

48 Scopus citations

Abstract

Microstructure and mechanical properties of Cu _46.5Zr _47.5Al ₅Co ₁ bulk metallic glass (BMG) irritated by laser surface treatment (LST) were investigated. A surface-multilayer glassy composite structure with micron- and nano-scale CuZr (B2) particles was synthesized. The forming mechanism of the unique structure was studied by analyzing the thermal behaviors of glassy matrix and simulating the LST process using finite volume method. Plasticity of the treated rods is enhanced about five times because of the induced multiplication of shear bands and martensitic transformation of B2 precipitates. The LST method is powerful for tailoring BMG composites with controllable position and morphology of second phase.

Original language	English
Pages (from-to)	50-55
Number of pages	6
Journal	Intermetallics
Volume	24
DOIs	https://doi.org/10.1016/j.intermet.2012.01.022
State	Published - May 2012

Keywords

B. Glasses, metallic
B. Mechanical properties at ambient temperature
B. Precipitates
C. Laser processing
D. Microstructure

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10.1016/j.intermet.2012.01.022

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title = "Induced multiple heterogeneities and related plastic improvement by laser surface treatment in CuZr-based bulk metallic glass",

abstract = "Microstructure and mechanical properties of Cu 46.5Zr 47.5Al 5Co 1 bulk metallic glass (BMG) irritated by laser surface treatment (LST) were investigated. A surface-multilayer glassy composite structure with micron- and nano-scale CuZr (B2) particles was synthesized. The forming mechanism of the unique structure was studied by analyzing the thermal behaviors of glassy matrix and simulating the LST process using finite volume method. Plasticity of the treated rods is enhanced about five times because of the induced multiplication of shear bands and martensitic transformation of B2 precipitates. The LST method is powerful for tailoring BMG composites with controllable position and morphology of second phase.",

keywords = "B. Glasses, metallic, B. Mechanical properties at ambient temperature, B. Precipitates, C. Laser processing, D. Microstructure",

author = "Guojuan Wu and Ran Li and Zengqian Liu and Bingqing Chen and Yan Li and Yan Cai and Tao Zhang",

year = "2012",

month = may,

doi = "10.1016/j.intermet.2012.01.022",

language = "英语",

volume = "24",

pages = "50--55",

journal = "Intermetallics",

issn = "0966-9795",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Induced multiple heterogeneities and related plastic improvement by laser surface treatment in CuZr-based bulk metallic glass

AU - Wu, Guojuan

AU - Li, Ran

AU - Liu, Zengqian

AU - Chen, Bingqing

AU - Li, Yan

AU - Cai, Yan

AU - Zhang, Tao

PY - 2012/5

Y1 - 2012/5

N2 - Microstructure and mechanical properties of Cu 46.5Zr 47.5Al 5Co 1 bulk metallic glass (BMG) irritated by laser surface treatment (LST) were investigated. A surface-multilayer glassy composite structure with micron- and nano-scale CuZr (B2) particles was synthesized. The forming mechanism of the unique structure was studied by analyzing the thermal behaviors of glassy matrix and simulating the LST process using finite volume method. Plasticity of the treated rods is enhanced about five times because of the induced multiplication of shear bands and martensitic transformation of B2 precipitates. The LST method is powerful for tailoring BMG composites with controllable position and morphology of second phase.

AB - Microstructure and mechanical properties of Cu 46.5Zr 47.5Al 5Co 1 bulk metallic glass (BMG) irritated by laser surface treatment (LST) were investigated. A surface-multilayer glassy composite structure with micron- and nano-scale CuZr (B2) particles was synthesized. The forming mechanism of the unique structure was studied by analyzing the thermal behaviors of glassy matrix and simulating the LST process using finite volume method. Plasticity of the treated rods is enhanced about five times because of the induced multiplication of shear bands and martensitic transformation of B2 precipitates. The LST method is powerful for tailoring BMG composites with controllable position and morphology of second phase.

KW - B. Glasses, metallic

KW - B. Mechanical properties at ambient temperature

KW - B. Precipitates

KW - C. Laser processing

KW - D. Microstructure

UR - https://www.scopus.com/pages/publications/84862830733

U2 - 10.1016/j.intermet.2012.01.022

DO - 10.1016/j.intermet.2012.01.022

M3 - 文章

AN - SCOPUS:84862830733

SN - 0966-9795

VL - 24

SP - 50

EP - 55

JO - Intermetallics

JF - Intermetallics

ER -

Induced multiple heterogeneities and related plastic improvement by laser surface treatment in CuZr-based bulk metallic glass

Abstract

Keywords

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