Paper Title:
Effect of La and La+Sr on Structure and Properties of ZL101A
  Abstract

After heat treatment, the structures and properties of ZL101A alloy with different La and La+Sr contents were studied. The results show that a significant modifying effect can be achieved in ZL101A in metal mould casting. The Si phase in the alloy becomes finer and the average alloy grain size is reduced from 3 mm to 1 mm with La addition 0.6%, which is mainly attributed to the enrichment of La at the eutectic front. The tensile strength and elongation increased with the increasing of La addition. However, excessive amount of La will have negative effects on the tensile strength and elongation. Mixed 0.2% La and 0.015% Sr results in further refined average grain down to 0.5mm, exhibiting improved strength and elongation properties.

  Info
Periodical
Advanced Materials Research (Volumes 97-101)
Edited by
Zhengyi Jiang and Chunliang Zhang
Pages
429-436
DOI
10.4028/www.scientific.net/AMR.97-101.429
Citation
G. F. Mi, Y. Wang, T. Wen, "Effect of La and La+Sr on Structure and Properties of ZL101A", Advanced Materials Research, Vols. 97-101, pp. 429-436, 2010
Online since
March 2010
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Price
$32.00
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