Low Low temperature brazing nickel with Ag nanoparticle and Cu-Ag core-shell nanowire nanopastes

被引：19

作者：

Ma, Chaoli ^{[1
,2
]}

Xue, Songbai ^{[1
]}

Bridges, Denzel ^{[2
]}

Palmer, Zane ^{[2
]}

Feng, Zhili ^{[3
]}

Hu, Anming ^{[2
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Jiangsu, Peoples R China

[2] Univ Tennessee, Dept Mech Aerosp & Biomed Engn, 1512 Middle Dr, Knoxville, TN 37996 USA

[3] Oak Ridge Natl Lab, Mat Sci & Technol Div, Mat Proc & Joining, POB 2008, Oak Ridge, TN 37831 USA

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 721卷

基金：

美国国家科学基金会;

关键词：

Nanopaste; Low temperature brazing; Mechanical properties; Microstructure; MECHANICAL-PROPERTIES; SINGLE-CRYSTAL; SILVER; COPPER; RECRYSTALLIZATION; STRENGTH; JOINTS;

D O I：

10.1016/j.jallcom.2017.06.016

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ag nanopastes and Cu-Ag core-shell nanowire nanopastes were used for brazing Ni 200. The influences of the brazing temperature and brazing pressure on the mechanical properties and microstructure of joints were investigated. The results show that the shear strength of joint was significantly improved from 12 MPa to 46 MPa with increasing the brazing temperature from 300 degrees C to 850 degrees C and brazing pressure from 7 MPa to 26 MPa. It is indicated that both a high brazing pressure and brazing temperature are beneficial for the diffusions between adjacent nanoparticles and nanowires, the seam and based materials and thereby improve the shear bonding strength. Successful joints of 40.6 MPa bonding strength were achieved with 700 degrees C brazing temperature, which indicated that silver nanopaste can be used for brazing Ni at a lower brazing temperature than that of commercial BAg-8 brazing filler metals. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：431 / 439

页数：9

共 33 条

[1] Silver Nanoparticle Paste for Low-Temperature Bonding of Copper [J].