The Second Phases in A Burn Resistant Alloy-Ti40

Yongqing Zhao; Henglei Qu; Kangying Zhu; Huan Wu; Caili Liu; Lian Zhou

The Second Phases in A Burn Resistant Alloy-Ti40

Yongqing Zhao, Henglei Qu, Kangying Zhu, Huan Wu, Caili Liu, Lian Zhou

Northwest Institute for Nonferrous Metal Research

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

1 Scopus citations

Abstract

Second phase formation in the burn resistant titanium alloy Ti40(Ti-25V-15Cr-0. 2Si) and their effects on properties have been studied. The higher the solution temperature, the higher the concention of second phases . No second phases form if the solution temperature is below 850°C, while rod-like α and some Ti₅Si₃ phases form above 850°C, The α and Ti₅Si₃ phases precipitate from Ti40 after solution heat treatment at 910°C followed by aging at 600°C, while only Ti₅Si₃ phases precipitate during heat treatment at 860°C followed by aging at 600°C. Various shapes of a and Ti₅Si₃ precipitates form in Ti40 after exposure at 540°C for 100 h, decreasing its thermal stability, then influence on properties at RT is not obvious.

Original language	English
Pages (from-to)	417
Number of pages	1
Journal	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume	30
Issue number	6
State	Published - Dec 2001
Externally published	Yes

Keywords

Burn resistant titanium alloy
Mechanical properties
Second phase
Ti40

Cite this

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title = "The Second Phases in A Burn Resistant Alloy-Ti40",

abstract = "Second phase formation in the burn resistant titanium alloy Ti40(Ti-25V-15Cr-0. 2Si) and their effects on properties have been studied. The higher the solution temperature, the higher the concention of second phases . No second phases form if the solution temperature is below 850°C, while rod-like α and some Ti5Si3 phases form above 850°C, The α and Ti5Si3 phases precipitate from Ti40 after solution heat treatment at 910°C followed by aging at 600°C, while only Ti5Si3 phases precipitate during heat treatment at 860°C followed by aging at 600°C. Various shapes of a and Ti5Si3 precipitates form in Ti40 after exposure at 540°C for 100 h, decreasing its thermal stability, then influence on properties at RT is not obvious.",

keywords = "Burn resistant titanium alloy, Mechanical properties, Second phase, Ti40",

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T1 - The Second Phases in A Burn Resistant Alloy-Ti40

AU - Zhao, Yongqing

AU - Qu, Henglei

AU - Zhu, Kangying

AU - Wu, Huan

AU - Liu, Caili

AU - Zhou, Lian

PY - 2001/12

Y1 - 2001/12

N2 - Second phase formation in the burn resistant titanium alloy Ti40(Ti-25V-15Cr-0. 2Si) and their effects on properties have been studied. The higher the solution temperature, the higher the concention of second phases . No second phases form if the solution temperature is below 850°C, while rod-like α and some Ti5Si3 phases form above 850°C, The α and Ti5Si3 phases precipitate from Ti40 after solution heat treatment at 910°C followed by aging at 600°C, while only Ti5Si3 phases precipitate during heat treatment at 860°C followed by aging at 600°C. Various shapes of a and Ti5Si3 precipitates form in Ti40 after exposure at 540°C for 100 h, decreasing its thermal stability, then influence on properties at RT is not obvious.

AB - Second phase formation in the burn resistant titanium alloy Ti40(Ti-25V-15Cr-0. 2Si) and their effects on properties have been studied. The higher the solution temperature, the higher the concention of second phases . No second phases form if the solution temperature is below 850°C, while rod-like α and some Ti5Si3 phases form above 850°C, The α and Ti5Si3 phases precipitate from Ti40 after solution heat treatment at 910°C followed by aging at 600°C, while only Ti5Si3 phases precipitate during heat treatment at 860°C followed by aging at 600°C. Various shapes of a and Ti5Si3 precipitates form in Ti40 after exposure at 540°C for 100 h, decreasing its thermal stability, then influence on properties at RT is not obvious.

KW - Burn resistant titanium alloy

KW - Mechanical properties

KW - Second phase

KW - Ti40

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SN - 1002-185X

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The Second Phases in A Burn Resistant Alloy-Ti40

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