Paper Title:
Study on Size and Microstructure of Complex Cavity Aluminum Alloy Castings Formed by Pre-Burying Copper Pipe Core
  Abstract

The feasibility of especial technology which complex cavity aluminum alloy castings are formed by corroding pre-burying copper pipe core is discussed by researching on the size and microstructure of cavity formed by corroding pre-burying copper pipe core. The results indicate the size of cavity formed by corroding pre-burying copper pipe core is basically consistent with the original size of the castings, with a dimensional tolerance in permission scope which is about 0.01mm. Meanwhile, the microstructure of cavity wall formed by corroding pre-burying copper pipe core is identical with that of the castings without corrosion. Moreover, because the pre-burying copper pipe core is equal to the chilled iron, bringing cold effect, the crystal grain of cavity wall formed by corroding pre-burying copper pipe core are tinier. Therefore, the technology of using pre-burying copper core to form complex cavity of aluminum alloy casting is entirely feasible.

  Info
Periodical
Advanced Materials Research (Volumes 97-101)
Edited by
Zhengyi Jiang and Chunliang Zhang
Pages
999-1002
DOI
10.4028/www.scientific.net/AMR.97-101.999
Citation
Q. S. Yan, H. Yu, Z. F. Xu, C. C. Cai, B. W. Xiong, Y. H. Zheng, "Study on Size and Microstructure of Complex Cavity Aluminum Alloy Castings Formed by Pre-Burying Copper Pipe Core", Advanced Materials Research, Vols. 97-101, pp. 999-1002, 2010
Online since
March 2010
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$32.00
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