Thermally formed oxide films on Al-6Zn-XMg (X 5 0 and 2 mass%) alloys heated in different gases

Po Chen Chen; Teng Shih Shih; Juen Shiou Chen

doi:10.1007/s10973-009-0088-2

Thermally formed oxide films on Al-6Zn-XMg (X 5 0 and 2 mass%) alloys heated in different gases

Po Chen Chen, Teng Shih Shih, Juen Shiou Chen

Department of Mechanical Engineering

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

1 Scopus citations

Abstract

In this study, thermogravimetric analysis (TG) testing is used to measure the mass loss of polished Al-6Zn-XMg (X = 0 and 2 mass%) alloy samples heated at 773 K for 6 h in dry air or nitrogen gas. The progressive development of thermally formed oxides on an Al-6Zn-XMg(X = 0 and 2 mass%) alloy as shown by X-ray diffractometer analyses is discussed. Zn-spinel and Mg-spinel are detected on the Al-6Zn and Al-6Zn-2Mg alloy samples, respectively, and then heated in the dry air atmosphere; AlN and Mg₃N₂ are detected in alloy samples heated in nitrogen gas. The chain reactions that cause the serrated change in the mass loss curve are proposed and discussed.

Original language	English
Pages (from-to)	229-235
Number of pages	7
Journal	Journal of Thermal Analysis and Calorimetry
Volume	99
Issue number	1
DOIs	https://doi.org/10.1007/s10973-009-0088-2
State	Published - Jan 2010

Keywords

AlN
MgN
Spinel
TG
XRD

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10.1007/s10973-009-0088-2

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title = "Thermally formed oxide films on Al-6Zn-XMg (X 5 0 and 2 mass%) alloys heated in different gases",

abstract = "In this study, thermogravimetric analysis (TG) testing is used to measure the mass loss of polished Al-6Zn-XMg (X = 0 and 2 mass%) alloy samples heated at 773 K for 6 h in dry air or nitrogen gas. The progressive development of thermally formed oxides on an Al-6Zn-XMg(X = 0 and 2 mass%) alloy as shown by X-ray diffractometer analyses is discussed. Zn-spinel and Mg-spinel are detected on the Al-6Zn and Al-6Zn-2Mg alloy samples, respectively, and then heated in the dry air atmosphere; AlN and Mg3N2 are detected in alloy samples heated in nitrogen gas. The chain reactions that cause the serrated change in the mass loss curve are proposed and discussed.",

keywords = "AlN, MgN, Spinel, TG, XRD",

author = "Chen, {Po Chen} and Shih, {Teng Shih} and Chen, {Juen Shiou}",

note = "Funding Information: Acknowledgements The authors would like to thank the National Science Council of Taiwan for providing financial support for this study under Grant Number NSC97-2221-E-008-017.",

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T1 - Thermally formed oxide films on Al-6Zn-XMg (X 5 0 and 2 mass%) alloys heated in different gases

AU - Chen, Po Chen

AU - Shih, Teng Shih

AU - Chen, Juen Shiou

N1 - Funding Information: Acknowledgements The authors would like to thank the National Science Council of Taiwan for providing financial support for this study under Grant Number NSC97-2221-E-008-017.

PY - 2010/1

Y1 - 2010/1

N2 - In this study, thermogravimetric analysis (TG) testing is used to measure the mass loss of polished Al-6Zn-XMg (X = 0 and 2 mass%) alloy samples heated at 773 K for 6 h in dry air or nitrogen gas. The progressive development of thermally formed oxides on an Al-6Zn-XMg(X = 0 and 2 mass%) alloy as shown by X-ray diffractometer analyses is discussed. Zn-spinel and Mg-spinel are detected on the Al-6Zn and Al-6Zn-2Mg alloy samples, respectively, and then heated in the dry air atmosphere; AlN and Mg3N2 are detected in alloy samples heated in nitrogen gas. The chain reactions that cause the serrated change in the mass loss curve are proposed and discussed.

AB - In this study, thermogravimetric analysis (TG) testing is used to measure the mass loss of polished Al-6Zn-XMg (X = 0 and 2 mass%) alloy samples heated at 773 K for 6 h in dry air or nitrogen gas. The progressive development of thermally formed oxides on an Al-6Zn-XMg(X = 0 and 2 mass%) alloy as shown by X-ray diffractometer analyses is discussed. Zn-spinel and Mg-spinel are detected on the Al-6Zn and Al-6Zn-2Mg alloy samples, respectively, and then heated in the dry air atmosphere; AlN and Mg3N2 are detected in alloy samples heated in nitrogen gas. The chain reactions that cause the serrated change in the mass loss curve are proposed and discussed.

KW - AlN

KW - MgN

KW - Spinel

KW - TG

KW - XRD

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DO - 10.1007/s10973-009-0088-2

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SN - 1388-6150

VL - 99

SP - 229

EP - 235

JO - Journal of Thermal Analysis and Calorimetry

JF - Journal of Thermal Analysis and Calorimetry

IS - 1

ER -

Thermally formed oxide films on Al-6Zn-XMg (X 5 0 and 2 mass%) alloys heated in different gases

Abstract

Keywords

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