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Hard Spots in ADC12 Die Casting Cylinder Block Used for Air Compressor

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Abstract:

The hard spots are investigated in ADC12 die casting cylinder blocks for air compressors using metallographic method and a micro- hardness tester. The results show that the hard spots have two main shapes. There is a nonuniform micro-hardness distribution within a hard spot. Energy dispersive spectrometry (EDS) analysis reveals that these hard spots are some kind of mixture of oxide and carbide, which are formed during melting and die casting process.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 789-790)

Pages:

121-125

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.789-790.121

Citation:

Cite this paper

Online since:

September 2015

Authors:

Yun Liu, Gao Hua, Bin Zhao, Bo Guo, Yi Jia Chang, Yin Zhou, Zhen Bo Zhao, Qin Zhang, Cheng Liu*

Keywords:

ADC12 Alloy, Cylinder Block, EDS, Hard Spot, Micro-Hardness, SEM

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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References

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