Influences of Melt Temperature on Casting Structure of Al-Cu-Mn Alloy Treated by Electric Pulse Modification

Abstract:

It was investigated that the effect of electric pulse modification (EPM) on the hot tearing of Al-5%Cu-0.8%Mn alloy. The results indicate that hot tearing tendency of all samples can be reduced treated by electric pulse with different parameters, moreover, hot tearing stress of alloy with EPM was enhanced 3 times or so than that of samples without treatment. Decreasing the quantity of eutectic in grain boundaries, decreasing the end-solidifying temperature of the alloys, and refining the grains are main causations for increasing hot tearing resistance of Al-5%Cu-0.8%Mn alloy by electric pulse modification.

• Periodical: Advanced Materials Research (Volumes 299-300)
• Pages: 408-411
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.299-300.408
• Online since: July 2011
• Authors: Bing Wang, Li Dan Tang, Jian Zhong Wang, Jin Gang Qi
• Keywords: Al-Cu-Mn Alloy, Electric Pulse Modification (EPM), Refining

References

[1] J.Z. Wang, D.Q. Cang, CHN patent: CN98100543. 8. (1998).

[2] Jin gang Qi, Jian zhong Wang, Xing jiang Liu. Journal of University of Science and Technology Beijing Vol. 12 (2005), p.527.

[3] Y. Tang, J.Z. Wang, D.Q. Cang. J. Iron Steel Res. (in Chinese) Vol. 11 (1999), p.44.

[4] He Lijia, Wang Jianzhong, Qi Jingang. China Foundry Vol. 2-7 (2010), P. 153.

[5] He Lijia, Wang Jianzhong, Qi Jingang. Advanced materials research Vol. 26 (2007), P. 555.

[6] Jos´e E. Spinelli, Daniel M. Rosa, Ivaldo L. Materials Science and Engineering A Vol. 383 (2004), p.271.

[7] Bing Liu, Zhi long Zhao, Yong xin Wang. Journal of Crystal Growth Vol. 271 (2004), p.301.