Analysis of kinetics and TTT curves for microstructure transformation in Al-Zn-Mg-Cu-Li alloy by DSC

Fang Wei; Jinshan Li; Changqi Chen

Analysis of kinetics and TTT curves for microstructure transformation in Al-Zn-Mg-Cu-Li alloy by DSC

Fang Wei, Jinshan Li, Changqi Chen

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

7 引用（Scopus）

摘要

DSC (Differential Scanning Calorimetric) techniques were used to investigate the kinetics of microstructure transformation of Al-Zn-Mg-Cu-Li alloy during aging at 393 K, 24 h and 393 K, 3.5 h+433 K, 12 h. The kinetics parameters for GP zones and η′ phase transformation were calculated by using Avrami-Johnson-Mehl(AJM) equation, and the kinetic expresses about both above microstructure transformation are further gained. On the basis of TTT curves, the kinetic expresses were modified to get the mathematic modes of TTT curves. It is prove that the mathematic modes are agreement with trial results.

源语言	英语
页（从-至）	1348-1351
页数	4
期刊	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
卷	37
期	8
出版状态	已出版 - 8月 2008

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title = "Analysis of kinetics and TTT curves for microstructure transformation in Al-Zn-Mg-Cu-Li alloy by DSC",

abstract = "DSC (Differential Scanning Calorimetric) techniques were used to investigate the kinetics of microstructure transformation of Al-Zn-Mg-Cu-Li alloy during aging at 393 K, 24 h and 393 K, 3.5 h+433 K, 12 h. The kinetics parameters for GP zones and η′ phase transformation were calculated by using Avrami-Johnson-Mehl(AJM) equation, and the kinetic expresses about both above microstructure transformation are further gained. On the basis of TTT curves, the kinetic expresses were modified to get the mathematic modes of TTT curves. It is prove that the mathematic modes are agreement with trial results.",

keywords = "η′ phase, Al-Zn-Mg-Cu-Li alloy, GP zone, Kinetics, TTT curves",

author = "Fang Wei and Jinshan Li and Changqi Chen",

year = "2008",

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language = "英语",

volume = "37",

pages = "1348--1351",

journal = "Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering",

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T1 - Analysis of kinetics and TTT curves for microstructure transformation in Al-Zn-Mg-Cu-Li alloy by DSC

AU - Wei, Fang

AU - Li, Jinshan

AU - Chen, Changqi

PY - 2008/8

Y1 - 2008/8

N2 - DSC (Differential Scanning Calorimetric) techniques were used to investigate the kinetics of microstructure transformation of Al-Zn-Mg-Cu-Li alloy during aging at 393 K, 24 h and 393 K, 3.5 h+433 K, 12 h. The kinetics parameters for GP zones and η′ phase transformation were calculated by using Avrami-Johnson-Mehl(AJM) equation, and the kinetic expresses about both above microstructure transformation are further gained. On the basis of TTT curves, the kinetic expresses were modified to get the mathematic modes of TTT curves. It is prove that the mathematic modes are agreement with trial results.

AB - DSC (Differential Scanning Calorimetric) techniques were used to investigate the kinetics of microstructure transformation of Al-Zn-Mg-Cu-Li alloy during aging at 393 K, 24 h and 393 K, 3.5 h+433 K, 12 h. The kinetics parameters for GP zones and η′ phase transformation were calculated by using Avrami-Johnson-Mehl(AJM) equation, and the kinetic expresses about both above microstructure transformation are further gained. On the basis of TTT curves, the kinetic expresses were modified to get the mathematic modes of TTT curves. It is prove that the mathematic modes are agreement with trial results.

KW - η′ phase

KW - Al-Zn-Mg-Cu-Li alloy

KW - GP zone

KW - Kinetics

KW - TTT curves

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SN - 1002-185X

VL - 37

SP - 1348

EP - 1351

JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

IS - 8

ER -

Analysis of kinetics and TTT curves for microstructure transformation in Al-Zn-Mg-Cu-Li alloy by DSC

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