Study on creep behavior of Ti-V-Cr burn resistant alloys

Minmin Wang; Yongqing Zhao; Lian Zhou; Di Zhang

doi:10.1016/j.matlet.2004.06.007

Study on creep behavior of Ti-V-Cr burn resistant alloys

Minmin Wang, Yongqing Zhao, Lian Zhou, Di Zhang

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

28 Scopus citations

Abstract

The creep behavior of two Ti-V-Cr burn resistant alloys is studied. During creep, some phases such as Ti₅Si₃, α and β′ phases precipitate from β matrix. The Ti₅Si ₃ phase distributes discontinuously along grain boundary and in the grain in Ti40 alloy, which has pinning effects on dislocation and obstructs the dislocations from moving. Rod-like a phase are precipitated in AlloyC alloy, which reduces the creep resistance. Ti40 alloy shows better creep property than AlloyC alloy. The apparent creep activation energy of Ti40 alloy is calculated to be 94.0 kJ/mol. The creep behavior of Ti-25V-15Cr-0.2Si alloy in the range of 460-540°C is controlled by double mechanisms of diffusion and dislocation.

Original language	English
Pages (from-to)	3248-3252
Number of pages	5
Journal	Materials Letters
Volume	58
Issue number	26
DOIs	https://doi.org/10.1016/j.matlet.2004.06.007
State	Published - Oct 2004
Externally published	Yes

Keywords

Alloys
Creep activation energy
Electron microscopy
Mechanical properties
Microstructure

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10.1016/j.matlet.2004.06.007

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title = "Study on creep behavior of Ti-V-Cr burn resistant alloys",

abstract = "The creep behavior of two Ti-V-Cr burn resistant alloys is studied. During creep, some phases such as Ti5Si3, α and β′ phases precipitate from β matrix. The Ti5Si 3 phase distributes discontinuously along grain boundary and in the grain in Ti40 alloy, which has pinning effects on dislocation and obstructs the dislocations from moving. Rod-like a phase are precipitated in AlloyC alloy, which reduces the creep resistance. Ti40 alloy shows better creep property than AlloyC alloy. The apparent creep activation energy of Ti40 alloy is calculated to be 94.0 kJ/mol. The creep behavior of Ti-25V-15Cr-0.2Si alloy in the range of 460-540°C is controlled by double mechanisms of diffusion and dislocation.",

keywords = "Alloys, Creep activation energy, Electron microscopy, Mechanical properties, Microstructure",

author = "Minmin Wang and Yongqing Zhao and Lian Zhou and Di Zhang",

year = "2004",

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volume = "58",

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journal = "Materials Letters",

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publisher = "Elsevier B.V.",

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T1 - Study on creep behavior of Ti-V-Cr burn resistant alloys

AU - Wang, Minmin

AU - Zhao, Yongqing

AU - Zhou, Lian

AU - Zhang, Di

PY - 2004/10

Y1 - 2004/10

N2 - The creep behavior of two Ti-V-Cr burn resistant alloys is studied. During creep, some phases such as Ti5Si3, α and β′ phases precipitate from β matrix. The Ti5Si 3 phase distributes discontinuously along grain boundary and in the grain in Ti40 alloy, which has pinning effects on dislocation and obstructs the dislocations from moving. Rod-like a phase are precipitated in AlloyC alloy, which reduces the creep resistance. Ti40 alloy shows better creep property than AlloyC alloy. The apparent creep activation energy of Ti40 alloy is calculated to be 94.0 kJ/mol. The creep behavior of Ti-25V-15Cr-0.2Si alloy in the range of 460-540°C is controlled by double mechanisms of diffusion and dislocation.

AB - The creep behavior of two Ti-V-Cr burn resistant alloys is studied. During creep, some phases such as Ti5Si3, α and β′ phases precipitate from β matrix. The Ti5Si 3 phase distributes discontinuously along grain boundary and in the grain in Ti40 alloy, which has pinning effects on dislocation and obstructs the dislocations from moving. Rod-like a phase are precipitated in AlloyC alloy, which reduces the creep resistance. Ti40 alloy shows better creep property than AlloyC alloy. The apparent creep activation energy of Ti40 alloy is calculated to be 94.0 kJ/mol. The creep behavior of Ti-25V-15Cr-0.2Si alloy in the range of 460-540°C is controlled by double mechanisms of diffusion and dislocation.

KW - Alloys

KW - Creep activation energy

KW - Electron microscopy

KW - Mechanical properties

KW - Microstructure

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DO - 10.1016/j.matlet.2004.06.007

M3 - 文章

AN - SCOPUS:4444346325

SN - 0167-577X

VL - 58

SP - 3248

EP - 3252

JO - Materials Letters

JF - Materials Letters

IS - 26

ER -

Study on creep behavior of Ti-V-Cr burn resistant alloys

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Keywords

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