Plastic deformation mechanisms of AZ31 magnesium alloy under high strain rate compression

Yong biao YANG; Fu chi WANG; Cheng wen TAN; Yuan yuan WU; Hong nian CAI

doi:10.1016/S1003-6326(08)60178-8

Plastic deformation mechanisms of AZ31 magnesium alloy under high strain rate compression

Yong biao YANG, Fu chi WANG, Cheng wen TAN^*, Yuan yuan WU, Hong nian CAI

^*Corresponding author for this work

School of Material Science and Engineering

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

50 Citations (Scopus)

Abstract

The twinning and slip activities of AZ31 magnesium alloy sheet at a strain rate of 1 200 s^-1 were investigated. Dynamically mechanical properties of various oriented samples were measured using Split Hopkinson Pressure Bar(SHPB). Optical microscope observations reveal that the dominant deformation mechanism is twinning for 90° oriented sample, and is slip for 45° and 0° oriented samples. TEM analysis for samples at a strain of 0.3% shows that the main deformation mechanisms for 90°, 45° and 0° oriented sample are {10{A figure is presented}2} < 10{A figure is presented}1 > and {10{A figure is presented}1} < 10{A figure is presented}2 > twinning, basal slip and non basal slip, respectively. The main features of the true stress-true strain curves can be explained based on deformation mechanism analysis.

Original language	English
Pages (from-to)	1043-1046
Number of pages	4
Journal	Transactions of Nonferrous Metals Society of China (English Edition)
Volume	18
Issue number	5
DOIs	https://doi.org/10.1016/S1003-6326(08)60178-8
Publication status	Published - Oct 2008

Keywords

AZ31 magnesium alloy
basal slip, non basal slip
twinning

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10.1016/S1003-6326(08)60178-8

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YANG, Y. B., WANG, F. C., TAN, C. W., WU, Y. Y., & CAI, H. N. (2008). Plastic deformation mechanisms of AZ31 magnesium alloy under high strain rate compression. Transactions of Nonferrous Metals Society of China (English Edition), 18(5), 1043-1046. https://doi.org/10.1016/S1003-6326(08)60178-8

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title = "Plastic deformation mechanisms of AZ31 magnesium alloy under high strain rate compression",

abstract = "The twinning and slip activities of AZ31 magnesium alloy sheet at a strain rate of 1 200 s-1 were investigated. Dynamically mechanical properties of various oriented samples were measured using Split Hopkinson Pressure Bar(SHPB). Optical microscope observations reveal that the dominant deformation mechanism is twinning for 90° oriented sample, and is slip for 45° and 0° oriented samples. TEM analysis for samples at a strain of 0.3% shows that the main deformation mechanisms for 90°, 45° and 0° oriented sample are {10{A figure is presented}2} < 10{A figure is presented}1 > and {10{A figure is presented}1} < 10{A figure is presented}2 > twinning, basal slip and non basal slip, respectively. The main features of the true stress-true strain curves can be explained based on deformation mechanism analysis.",

keywords = "AZ31 magnesium alloy, basal slip, non basal slip, twinning",

author = "YANG, {Yong biao} and WANG, {Fu chi} and TAN, {Cheng wen} and WU, {Yuan yuan} and CAI, {Hong nian}",

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T1 - Plastic deformation mechanisms of AZ31 magnesium alloy under high strain rate compression

AU - YANG, Yong biao

AU - WANG, Fu chi

AU - TAN, Cheng wen

AU - WU, Yuan yuan

AU - CAI, Hong nian

PY - 2008/10

Y1 - 2008/10

N2 - The twinning and slip activities of AZ31 magnesium alloy sheet at a strain rate of 1 200 s-1 were investigated. Dynamically mechanical properties of various oriented samples were measured using Split Hopkinson Pressure Bar(SHPB). Optical microscope observations reveal that the dominant deformation mechanism is twinning for 90° oriented sample, and is slip for 45° and 0° oriented samples. TEM analysis for samples at a strain of 0.3% shows that the main deformation mechanisms for 90°, 45° and 0° oriented sample are {10{A figure is presented}2} < 10{A figure is presented}1 > and {10{A figure is presented}1} < 10{A figure is presented}2 > twinning, basal slip and non basal slip, respectively. The main features of the true stress-true strain curves can be explained based on deformation mechanism analysis.

AB - The twinning and slip activities of AZ31 magnesium alloy sheet at a strain rate of 1 200 s-1 were investigated. Dynamically mechanical properties of various oriented samples were measured using Split Hopkinson Pressure Bar(SHPB). Optical microscope observations reveal that the dominant deformation mechanism is twinning for 90° oriented sample, and is slip for 45° and 0° oriented samples. TEM analysis for samples at a strain of 0.3% shows that the main deformation mechanisms for 90°, 45° and 0° oriented sample are {10{A figure is presented}2} < 10{A figure is presented}1 > and {10{A figure is presented}1} < 10{A figure is presented}2 > twinning, basal slip and non basal slip, respectively. The main features of the true stress-true strain curves can be explained based on deformation mechanism analysis.

KW - AZ31 magnesium alloy

KW - basal slip, non basal slip

KW - twinning

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IS - 5

ER -

Plastic deformation mechanisms of AZ31 magnesium alloy under high strain rate compression

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Keywords

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