Paper Title:
Metallographic Study of Lapped FSW between Ductile Cast Iron and Austenite Type Stainless Steel
  Abstract

This study was investigated the influence of preheat temperature and welding speed by a view point of microstructure of joining zone used by friction stir welding (FSW) between ductile cast irons and stainless steels. FSW conditions were carried out by change of tool rotation by 200, 400 and 600rpm, preheat temperature by non-preheat, 573 and 773K, and welding speed by 1~10mm/s. As a result, microstructure of FCD450 side became a pearlite structure changed by preheat condition. Also, stir zone (SZ) of FSW were crystallized the chill structure because of cast iron melted partially why SZ temperature exceeded the eutectic temperature. However, higher welding speed could inhibited crystallization and found the possibility of bonding between ductile cast irons and stainless steels.

  Info
Periodical
Materials Science Forum (Volumes 638-642)
Main Theme
Edited by
T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages
1197-1202
DOI
10.4028/www.scientific.net/MSF.638-642.1197
Citation
M. Nakamura, Y. Sawada, Y. S. Sato, "Metallographic Study of Lapped FSW between Ductile Cast Iron and Austenite Type Stainless Steel", Materials Science Forum, Vols. 638-642, pp. 1197-1202, 2010
Online since
January 2010
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$32.00
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