Browse > Article
http://dx.doi.org/10.5228/KSTP.2012.21.8.506

Microstructures of Bonding Interfaces after Semi-Solid Brazing of Aluminum Using A357 as a Filler Metal  

Lee, S.Y. (Dept. of Advanced Materials Engineering, Andong National University)
Publication Information
Transactions of Materials Processing / v.21, no.8, 2012 , pp. 506-511 More about this Journal
Abstract
Aluminum brazing normally requires a careful control of temperature due to the small interval between brazing and melting temperatures for base materials. Unsuitable processing conditions, including brazing temperature outside admissible range, gap between brazed materials or inadequate flux feeding, can lead to joining defects. In this study, A357 was used as a filler metal for the brazing of pure aluminum base materials and brazed at temperatures in the semi-solid state. Interface microstructures with base materials were observed using optical metallography(OM) and scanning electron microcopy(SEM) with energy dispersive spectroscopy(EDS), and compared to conventional aluminum brazing.
Keywords
A357; Aluminum; Semi-Solid Brazing; Interface; Microstructure;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
1 J. P. Jung, C. S. Kang, Y. J. Park, S. H. Hang, 1994, Brazing technology and trend in Japan(1), J. Korean Welding Soc., Vol. 12, No.4, pp. 50-62.   과학기술학회마을
2 T. Markovits, J. Takacs, A. Lovas, J. Belt, 2003, Laser Brazing of Aluminum, J. Mater. Process. Technol., Vol. 143-144, pp. 651-655.   DOI
3 Z. Fan, 2002, Semisolid Metal Processing, Int. Mater. Rev., Vol. 47, No.2, pp. 49-85.   DOI   ScienceOn
4 S. Engler, D. Hartmann, I. Niedick, 2000, Proc. of 6th Int. Conf. on Semi-Solid Processing of Alloys and Composites(G. Chiarmetta, M. Rosso), Edimet, Turin, Italy, pp. 483-488.
5 S. Y. Lee, C. H. Kim, 2009, Measurements of Micro-Defects in the Aluminum Thixoformed Part using Computed Tomography(CT) Technology, Trans. Mater. Process., Vol.18, No. 5, pp. 422-427.   과학기술학회마을   DOI