Paper Title:
Influence of Refiner on the Properties and Microstucutures of High-Tin Wear-Resisting Cu-Sn-Pb-Ni Alloy
  Abstract

According to the high-tin wear-resisting Cu-Sn-Pb-Ni alloy which the tin contents are 9~11%, the alloy casting were prepared by adding 0.5% refiner in melting precess and pouring in metal mold. The density, hardness, strength and elongation of alloy castings which adding refiner in melting process or not were tested and the casting mircostructure was analyzed. The results show that the density and hardness of Cu-Sn-Pb-Ni alloy casting prepared by adding refiner in melting process are 8.9083g/cm3 and 113HB separately, the strength and elongation are 314.7MPa and 32.7% respectively, comparison with the strength and elongation of non-refiner are 252MPa and 7.3% separately, they were increased by 24.9 % and 348 % respectively. The dendrite structure which are mainly α solid solution and eutectoid(α+δ)of casting prepared by non-refiner is relatively obvious, The grain are obviously refined and the distribution of lead simple substance phase are more dispersed among the grain and grain boundary by adding refiner in melting process.

  Info
Periodical
Chapter
Chapter 6: New Materials and Advanced Materials
Edited by
Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen
Pages
1095-1099
DOI
10.4028/www.scientific.net/AMM.117-119.1095
Citation
K. X. Song, Y. J. Zhou, J. Wei, Y. J. Cai, G. F. Zhai, Y. M. Zhang, N. Bai, "Influence of Refiner on the Properties and Microstucutures of High-Tin Wear-Resisting Cu-Sn-Pb-Ni Alloy", Applied Mechanics and Materials, Vols. 117-119, pp. 1095-1099, 2012
Online since
October 2011
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$32.00
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