Compression behavior of inter-particle regions in high-strength Al84Ni7Gd6Co3 alloy

Zhi Wang; R. T. Qu; Konda Gokuldoss Prashanth; Jürgen Eckert; Sergio Scudino

doi:10.1016/j.matlet.2016.08.090

Compression behavior of inter-particle regions in high-strength Al₈₄Ni₇Gd₆Co₃ alloy

Zhi Wang
, R. T. Qu
, Konda Gokuldoss Prashanth
, Jürgen Eckert
, Sergio Scudino

Chair of Materials Physics (430)

Shi-Changxu Innovation Center for Advanced Materials
Erich Schmid Institute of Materials Science
Leibniz Institute for Solid State and Materials Research, Dresden
Tohoku University
South China University of Technology

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

8 Citations (Scopus)

Abstract

We have studied the deformation behavior of the inter-particle regions using a high strength nanostructured alloy (Al84Ni7Gd6Co3) produced by hot pressing of amorphous powders. The inter-particle regions, including soft aluminum and pores, are relatively weak compared to the consolidated particles. Plastic deformation, crack branching and deflection are observed in the inter-particle regions, giving rise to the arrest of cracks. High density of stacking faults and/or nanotwins are formed in the inter-particle regions after plastic deformation. The fracture mode of the Al84Ni7Gd6Co3 nanostructured alloy changes from the inter-particle failure to trans-particle failure with decreasing volume fraction of the inter-particle regions.

Original language	English
Pages (from-to)	25-28
Number of pages	4
Journal	Materials letters
Volume	185.2016
Issue number	15 December
DOIs	https://doi.org/10.1016/j.matlet.2016.08.090
Publication status	Published - 15 Dec 2016

Keywords

Deformation and fracture
Metals and alloys
Sintering
Triple point

Access to Document

10.1016/j.matlet.2016.08.090

Cite this

@article{6871ea85d3be43259ff90f89bba6b186,

title = "Compression behavior of inter-particle regions in high-strength Al84Ni7Gd6Co3 alloy",

abstract = "We have studied the deformation behavior of the inter-particle regions using a high strength nanostructured alloy (Al84Ni7Gd6Co3) produced by hot pressing of amorphous powders. The inter-particle regions, including soft aluminum and pores, are relatively weak compared to the consolidated particles. Plastic deformation, crack branching and deflection are observed in the inter-particle regions, giving rise to the arrest of cracks. High density of stacking faults and/or nanotwins are formed in the inter-particle regions after plastic deformation. The fracture mode of the Al84Ni7Gd6Co3 nanostructured alloy changes from the inter-particle failure to trans-particle failure with decreasing volume fraction of the inter-particle regions.",

keywords = "Deformation and fracture, Metals and alloys, Sintering, Triple point",

author = "Zhi Wang and Qu, \{R. T.\} and Prashanth, \{Konda Gokuldoss\} and J{\"u}rgen Eckert and Sergio Scudino",

year = "2016",

month = dec,

day = "15",

doi = "10.1016/j.matlet.2016.08.090",

language = "English",

volume = "185.2016",

pages = "25--28",

journal = "Materials letters",

issn = "0167-577X",

publisher = "Elsevier B.V.",

number = "15 December",

}

TY - JOUR

T1 - Compression behavior of inter-particle regions in high-strength Al84Ni7Gd6Co3 alloy

AU - Wang, Zhi

AU - Qu, R. T.

AU - Prashanth, Konda Gokuldoss

AU - Eckert, Jürgen

AU - Scudino, Sergio

PY - 2016/12/15

Y1 - 2016/12/15

N2 - We have studied the deformation behavior of the inter-particle regions using a high strength nanostructured alloy (Al84Ni7Gd6Co3) produced by hot pressing of amorphous powders. The inter-particle regions, including soft aluminum and pores, are relatively weak compared to the consolidated particles. Plastic deformation, crack branching and deflection are observed in the inter-particle regions, giving rise to the arrest of cracks. High density of stacking faults and/or nanotwins are formed in the inter-particle regions after plastic deformation. The fracture mode of the Al84Ni7Gd6Co3 nanostructured alloy changes from the inter-particle failure to trans-particle failure with decreasing volume fraction of the inter-particle regions.

AB - We have studied the deformation behavior of the inter-particle regions using a high strength nanostructured alloy (Al84Ni7Gd6Co3) produced by hot pressing of amorphous powders. The inter-particle regions, including soft aluminum and pores, are relatively weak compared to the consolidated particles. Plastic deformation, crack branching and deflection are observed in the inter-particle regions, giving rise to the arrest of cracks. High density of stacking faults and/or nanotwins are formed in the inter-particle regions after plastic deformation. The fracture mode of the Al84Ni7Gd6Co3 nanostructured alloy changes from the inter-particle failure to trans-particle failure with decreasing volume fraction of the inter-particle regions.

KW - Deformation and fracture

KW - Metals and alloys

KW - Sintering

KW - Triple point

UR - https://www.scopus.com/pages/publications/84989948832

U2 - 10.1016/j.matlet.2016.08.090

DO - 10.1016/j.matlet.2016.08.090

M3 - Article

AN - SCOPUS:84989948832

SN - 0167-577X

VL - 185.2016

SP - 25

EP - 28

JO - Materials letters

JF - Materials letters

IS - 15 December