Study on globularization of a lamellar structure in TC17 titanium alloy during hot deformation using processing map

Jun Zhou; Weidong Zeng; Ying Shu; Yigang Zhou

Study on globularization of a lamellar structure in TC17 titanium alloy during hot deformation using processing map

Jun Zhou, Weidong Zeng, Ying Shu, Yigang Zhou

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

31 引用（Scopus）

摘要

The globularization of a lamellar microstructure in Ti-5Al-4Mo-4Cr-2Sn-2Zr (TC17) alloy was studied using processing map theory. The deformation behavior at elevated temperature and the microstructure evolution under different deformation conditions can be indicated exactly and directly by the processing map. As a result, the deformation at 840°C-870°C and strain rate of 0.5 s^-1-3 s^-1 are the optimum globularization conditions of lamellar microstructure for TC17 alloy, and the corresponding efficiency of power-dissipation is about 45%; TC17 alloy exhibits flow instability regimes due to adiabatic shear bands formation at higher strain rates(>5 s^-1).

源语言	英语
页（从-至）	265-269
页数	5
期刊	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
卷	35
期	2
出版状态	已出版 - 2月 2006

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abstract = "The globularization of a lamellar microstructure in Ti-5Al-4Mo-4Cr-2Sn-2Zr (TC17) alloy was studied using processing map theory. The deformation behavior at elevated temperature and the microstructure evolution under different deformation conditions can be indicated exactly and directly by the processing map. As a result, the deformation at 840°C-870°C and strain rate of 0.5 s-1-3 s-1 are the optimum globularization conditions of lamellar microstructure for TC17 alloy, and the corresponding efficiency of power-dissipation is about 45%; TC17 alloy exhibits flow instability regimes due to adiabatic shear bands formation at higher strain rates(>5 s-1).",

keywords = "Flow instability, Globularization, Hot deformation, Processing map, TC17 titanium alloy",

author = "Jun Zhou and Weidong Zeng and Ying Shu and Yigang Zhou",

year = "2006",

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

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T1 - Study on globularization of a lamellar structure in TC17 titanium alloy during hot deformation using processing map

AU - Zhou, Jun

AU - Zeng, Weidong

AU - Shu, Ying

AU - Zhou, Yigang

PY - 2006/2

Y1 - 2006/2

N2 - The globularization of a lamellar microstructure in Ti-5Al-4Mo-4Cr-2Sn-2Zr (TC17) alloy was studied using processing map theory. The deformation behavior at elevated temperature and the microstructure evolution under different deformation conditions can be indicated exactly and directly by the processing map. As a result, the deformation at 840°C-870°C and strain rate of 0.5 s-1-3 s-1 are the optimum globularization conditions of lamellar microstructure for TC17 alloy, and the corresponding efficiency of power-dissipation is about 45%; TC17 alloy exhibits flow instability regimes due to adiabatic shear bands formation at higher strain rates(>5 s-1).

AB - The globularization of a lamellar microstructure in Ti-5Al-4Mo-4Cr-2Sn-2Zr (TC17) alloy was studied using processing map theory. The deformation behavior at elevated temperature and the microstructure evolution under different deformation conditions can be indicated exactly and directly by the processing map. As a result, the deformation at 840°C-870°C and strain rate of 0.5 s-1-3 s-1 are the optimum globularization conditions of lamellar microstructure for TC17 alloy, and the corresponding efficiency of power-dissipation is about 45%; TC17 alloy exhibits flow instability regimes due to adiabatic shear bands formation at higher strain rates(>5 s-1).

KW - Flow instability

KW - Globularization

KW - Hot deformation

KW - Processing map

KW - TC17 titanium alloy

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SN - 1002-185X

VL - 35

SP - 265

EP - 269

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

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

IS - 2

ER -

Study on globularization of a lamellar structure in TC17 titanium alloy during hot deformation using processing map

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