Microstructural evolution mechanisms of Ti600 and Ni-25%Si joint brazed with Ti-Zr-Ni-Cu amorphous filler foil

Xiaopeng Li; Houqin Wang; Ting Wang; Binggang Zhang; Tao Yu; Ruishan Li

doi:10.1016/j.jmatprotec.2016.10.021

Microstructural evolution mechanisms of Ti600 and Ni-25%Si joint brazed with Ti-Zr-Ni-Cu amorphous filler foil

Xiaopeng Li
, Houqin Wang
, Ting Wang^*
, Binggang Zhang
, Tao Yu
, Ruishan Li

^*Corresponding author for this work

School of Materials Science and Engineering

Harbin Institute of Technology
Harbin Institute of Technology Weihai

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

19 Scopus citations

Abstract

A commercial Ti-Zr-Ni-Cu amorphous filler foil was applied to braze the high-temperature Ti600 and Ni-25at%Si, resulting in the good joint between both of alloys. The interfacial microstructure of Ti600/Ti-Zr-Ni-Cu/Ni-25at%Si brazed joint at 1213 K for 10 min is mainly comprised of the continuous Ti₂Ni phase. Most of Ti-rich phases such as α-Ti, β-Ti, Ti₃Al, Ti₂Ni, (Ti,Zr)₂(Ni,Cu) and (Ti,Zr)₂Si formed in the vicinity of the Ti600 substrate except that Ti₅Si₃ precipitates near the Ni-25at%Si region, resulting in the formation of six distinct layers. The corresponding formation mechanism were clarified. The Ti₅Si₃ and Ni₃₁Si₁₂ were firstly formed during the initial stage followed by diffusion reactions at Ni-25at%Si side. The continuous Ti₂Ni phase formed through the reaction of Ti_(L) + Ni_(L) → Ti₂Ni. α-Ti, Ti₃Al, (Ti,Zr)₂(Ni,Cu) and (Ti,Zr)₂Si in the brazing joint precipitated through a solid-solid phase transformation.

Original language	English
Pages (from-to)	414-419
Number of pages	6
Journal	Journal of Materials Processing Technology
Volume	240
DOIs	https://doi.org/10.1016/j.jmatprotec.2016.10.021
State	Published - 1 Feb 2017

Keywords

Brazing
Evolution mechanism
Interfacial microstructure
Ni-25at%Si alloy
Ti-Zr-Ni-Cu amorphous filler foil
Ti600 alloy

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10.1016/j.jmatprotec.2016.10.021

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@article{9386a57798c0466a9f8b24f7b187676c,

title = "Microstructural evolution mechanisms of Ti600 and Ni-25\%Si joint brazed with Ti-Zr-Ni-Cu amorphous filler foil",

abstract = "A commercial Ti-Zr-Ni-Cu amorphous filler foil was applied to braze the high-temperature Ti600 and Ni-25at\%Si, resulting in the good joint between both of alloys. The interfacial microstructure of Ti600/Ti-Zr-Ni-Cu/Ni-25at\%Si brazed joint at 1213 K for 10 min is mainly comprised of the continuous Ti2Ni phase. Most of Ti-rich phases such as α-Ti, β-Ti, Ti3Al, Ti2Ni, (Ti,Zr)2(Ni,Cu) and (Ti,Zr)2Si formed in the vicinity of the Ti600 substrate except that Ti5Si3 precipitates near the Ni-25at\%Si region, resulting in the formation of six distinct layers. The corresponding formation mechanism were clarified. The Ti5Si3 and Ni31Si12 were firstly formed during the initial stage followed by diffusion reactions at Ni-25at\%Si side. The continuous Ti2Ni phase formed through the reaction of Ti(L) + Ni(L) → Ti2Ni. α-Ti, Ti3Al, (Ti,Zr)2(Ni,Cu) and (Ti,Zr)2Si in the brazing joint precipitated through a solid-solid phase transformation.",

keywords = "Brazing, Evolution mechanism, Interfacial microstructure, Ni-25at\%Si alloy, Ti-Zr-Ni-Cu amorphous filler foil, Ti600 alloy",

author = "Xiaopeng Li and Houqin Wang and Ting Wang and Binggang Zhang and Tao Yu and Ruishan Li",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier B.V.",

year = "2017",

month = feb,

day = "1",

doi = "10.1016/j.jmatprotec.2016.10.021",

language = "英语",

volume = "240",

pages = "414--419",

journal = "Journal of Materials Processing Technology",

issn = "0924-0136",

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TY - JOUR

T1 - Microstructural evolution mechanisms of Ti600 and Ni-25%Si joint brazed with Ti-Zr-Ni-Cu amorphous filler foil

AU - Li, Xiaopeng

AU - Wang, Houqin

AU - Wang, Ting

AU - Zhang, Binggang

AU - Yu, Tao

AU - Li, Ruishan

PY - 2017/2/1

Y1 - 2017/2/1

N2 - A commercial Ti-Zr-Ni-Cu amorphous filler foil was applied to braze the high-temperature Ti600 and Ni-25at%Si, resulting in the good joint between both of alloys. The interfacial microstructure of Ti600/Ti-Zr-Ni-Cu/Ni-25at%Si brazed joint at 1213 K for 10 min is mainly comprised of the continuous Ti2Ni phase. Most of Ti-rich phases such as α-Ti, β-Ti, Ti3Al, Ti2Ni, (Ti,Zr)2(Ni,Cu) and (Ti,Zr)2Si formed in the vicinity of the Ti600 substrate except that Ti5Si3 precipitates near the Ni-25at%Si region, resulting in the formation of six distinct layers. The corresponding formation mechanism were clarified. The Ti5Si3 and Ni31Si12 were firstly formed during the initial stage followed by diffusion reactions at Ni-25at%Si side. The continuous Ti2Ni phase formed through the reaction of Ti(L) + Ni(L) → Ti2Ni. α-Ti, Ti3Al, (Ti,Zr)2(Ni,Cu) and (Ti,Zr)2Si in the brazing joint precipitated through a solid-solid phase transformation.

AB - A commercial Ti-Zr-Ni-Cu amorphous filler foil was applied to braze the high-temperature Ti600 and Ni-25at%Si, resulting in the good joint between both of alloys. The interfacial microstructure of Ti600/Ti-Zr-Ni-Cu/Ni-25at%Si brazed joint at 1213 K for 10 min is mainly comprised of the continuous Ti2Ni phase. Most of Ti-rich phases such as α-Ti, β-Ti, Ti3Al, Ti2Ni, (Ti,Zr)2(Ni,Cu) and (Ti,Zr)2Si formed in the vicinity of the Ti600 substrate except that Ti5Si3 precipitates near the Ni-25at%Si region, resulting in the formation of six distinct layers. The corresponding formation mechanism were clarified. The Ti5Si3 and Ni31Si12 were firstly formed during the initial stage followed by diffusion reactions at Ni-25at%Si side. The continuous Ti2Ni phase formed through the reaction of Ti(L) + Ni(L) → Ti2Ni. α-Ti, Ti3Al, (Ti,Zr)2(Ni,Cu) and (Ti,Zr)2Si in the brazing joint precipitated through a solid-solid phase transformation.

KW - Brazing

KW - Evolution mechanism

KW - Interfacial microstructure

KW - Ni-25at%Si alloy

KW - Ti-Zr-Ni-Cu amorphous filler foil

KW - Ti600 alloy

UR - https://www.scopus.com/pages/publications/84994247391

U2 - 10.1016/j.jmatprotec.2016.10.021

DO - 10.1016/j.jmatprotec.2016.10.021

M3 - 文章

AN - SCOPUS:84994247391

SN - 0924-0136

VL - 240

SP - 414

EP - 419

JO - Journal of Materials Processing Technology

JF - Journal of Materials Processing Technology

ER -

Microstructural evolution mechanisms of Ti600 and Ni-25%Si joint brazed with Ti-Zr-Ni-Cu amorphous filler foil

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Keywords

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