NDLI: Effect of Ce Addition on the Microstructure and Properties of Ag17CuZnSn Filler Metal

Content Provider	Springer Nature Link
Author	Ma, Chaoli Xue, Songbai Wang, Bo Wang, Jianxin Hu, Anming
Copyright Year	2017
Abstract	The effect of trace amounts of rare earth element Ce on the wettability, mechanical properties and microstructure of Ag17CuZnSn filler metal was investigated systematically by means of microstructure and spectroscopic characterizations. H62 brass and 304 stainless steel were brazed with Ag17CuZnSn-xCe filler metals. The results indicate that wettability and oxidation resistance of filler metal are remarkably improved with adding trace amount of Ce. The shear strength of brazed joint increases 29% compared to that of brazed joint without adding Ce. Moreover, it is observed that the trace amount of Ce in Ag17CuZnSn filler metal refines the brazed joint matrix microstructure. The elements diffusion is examined during the brazing process. More Ce can diffuse into the stainless steel than that of either Cu or Zn. Compared to the Cu solid solution, Fe prefers to diffuse into the Ag solid solution. When the Ce content is 0.3 wt.%, some bright and brittle Ce-bearing particles appear in the bottom of dimples which deteriorate the shear strength of brazed joint. The results of this study can stimulate the use of low-silver brazing filler metals for various applications.
Starting Page	3180
Ending Page	3190
Page Count	11
File Format	PDF
ISSN	10599495
Journal	Journal of Materials Engineering and Performance
Volume Number	26
Issue Number	7
e-ISSN	15441024
Language	English
Publisher	Springer US
Publisher Date	2017-06-05
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	brazing low-silver filler metals microstructure rare earth element Characterization and Evaluation of Materials Tribology, Corrosion and Coatings Quality Control, Reliability, Safety and Risk Engineering Design
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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