Induction brazing TiAl/40Cr with Ag-Cu-Ti filler metal

Yu Long Li; Ji Cai Feng; Zhuo Ran Li; Peng He; Jiu Chun Yan

Induction brazing TiAl/40Cr with Ag-Cu-Ti filler metal

Yu Long Li^*
, Ji Cai Feng
, Zhuo Ran Li
, Peng He
, Jiu Chun Yan

^*Corresponding author for this work

School of Materials Science and Engineering

Harbin Institute of Technology

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

Abstract

Induction brazing of TiAl to 40 Cr under the protection of Ar gas was carried out with Ag-Cu-Ti filler metal. Fracture surface, interfacial microstructure and formation phases of brazed joints were investigated by means of scanning electron microscopy, electron probe microanalysis and X-ray diffraction, and the joint strength was determined by tensile testing method. The results show that Ti(CuAl)₂, Ag[s,s], TiC form in the brazing seam and the typical interface structure of brazed joints is TiAl/Ti(CuAl)₂+Ag[s,s]/Ag[s,s]/TiC/40Cr. The tensile strength and fracture path of the brazed joints change with brazing time. When the joint is brazed at 1143 K for 0.9 ks, joint tensile strength as high as 298 MPa is obtained and the fracture occurs in the Ti(CuAl)₂ zone.

Original language	English
Pages (from-to)	37-40
Number of pages	4
Journal	Hanjie Xuebao/Transactions of the China Welding Institution
Volume	25
Issue number	5
State	Published - Oct 2004

Keywords

Induction brazing
Microstructure
Tensile strength
TiAl/40Cr

Cite this

@article{6c183ded4d5145858b43f885648a2061,

title = "Induction brazing TiAl/40Cr with Ag-Cu-Ti filler metal",

abstract = "Induction brazing of TiAl to 40 Cr under the protection of Ar gas was carried out with Ag-Cu-Ti filler metal. Fracture surface, interfacial microstructure and formation phases of brazed joints were investigated by means of scanning electron microscopy, electron probe microanalysis and X-ray diffraction, and the joint strength was determined by tensile testing method. The results show that Ti(CuAl)2, Ag[s,s], TiC form in the brazing seam and the typical interface structure of brazed joints is TiAl/Ti(CuAl)2+Ag[s,s]/Ag[s,s]/TiC/40Cr. The tensile strength and fracture path of the brazed joints change with brazing time. When the joint is brazed at 1143 K for 0.9 ks, joint tensile strength as high as 298 MPa is obtained and the fracture occurs in the Ti(CuAl)2 zone.",

keywords = "Induction brazing, Microstructure, Tensile strength, TiAl/40Cr",

author = "Li, \{Yu Long\} and Feng, \{Ji Cai\} and Li, \{Zhuo Ran\} and Peng He and Yan, \{Jiu Chun\}",

year = "2004",

month = oct,

language = "英语",

volume = "25",

pages = "37--40",

journal = "Hanjie Xuebao/Transactions of the China Welding Institution",

issn = "0253-360X",

publisher = "Harbin Research Institute of Welding",

number = "5",

}

TY - JOUR

T1 - Induction brazing TiAl/40Cr with Ag-Cu-Ti filler metal

AU - Li, Yu Long

AU - Feng, Ji Cai

AU - Li, Zhuo Ran

AU - He, Peng

AU - Yan, Jiu Chun

PY - 2004/10

Y1 - 2004/10

N2 - Induction brazing of TiAl to 40 Cr under the protection of Ar gas was carried out with Ag-Cu-Ti filler metal. Fracture surface, interfacial microstructure and formation phases of brazed joints were investigated by means of scanning electron microscopy, electron probe microanalysis and X-ray diffraction, and the joint strength was determined by tensile testing method. The results show that Ti(CuAl)2, Ag[s,s], TiC form in the brazing seam and the typical interface structure of brazed joints is TiAl/Ti(CuAl)2+Ag[s,s]/Ag[s,s]/TiC/40Cr. The tensile strength and fracture path of the brazed joints change with brazing time. When the joint is brazed at 1143 K for 0.9 ks, joint tensile strength as high as 298 MPa is obtained and the fracture occurs in the Ti(CuAl)2 zone.

AB - Induction brazing of TiAl to 40 Cr under the protection of Ar gas was carried out with Ag-Cu-Ti filler metal. Fracture surface, interfacial microstructure and formation phases of brazed joints were investigated by means of scanning electron microscopy, electron probe microanalysis and X-ray diffraction, and the joint strength was determined by tensile testing method. The results show that Ti(CuAl)2, Ag[s,s], TiC form in the brazing seam and the typical interface structure of brazed joints is TiAl/Ti(CuAl)2+Ag[s,s]/Ag[s,s]/TiC/40Cr. The tensile strength and fracture path of the brazed joints change with brazing time. When the joint is brazed at 1143 K for 0.9 ks, joint tensile strength as high as 298 MPa is obtained and the fracture occurs in the Ti(CuAl)2 zone.

KW - Induction brazing

KW - Microstructure

KW - Tensile strength

KW - TiAl/40Cr

UR - https://www.scopus.com/pages/publications/11844280939

M3 - 文章

AN - SCOPUS:11844280939

SN - 0253-360X

VL - 25

SP - 37

EP - 40

JO - Hanjie Xuebao/Transactions of the China Welding Institution

JF - Hanjie Xuebao/Transactions of the China Welding Institution

IS - 5

ER -

Induction brazing TiAl/40Cr with Ag-Cu-Ti filler metal

Abstract

Keywords

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