Effect of aluminum addition on tensile properties of naturally aged Sn-9Zn eutectic solder

C. M. Chuang, T. S. Lui, L. H. Chen

研究成果: Article

53 引文 斯高帕斯(Scopus)

摘要

The effects of the addition of aluminum and natural aging on the tensile properties of Sn-9Zn and Sn-9Zn-0.5Al were investigated in rapidly solidified bulk specimens. Because oxidation occurs from the eutectic cell boundary of the surface and grows simultaneously into the subsurface with increased aging time, the deterioration of the tensile properties of Sn-9Zn and Sn-9Zn-0.5Al specimens correspond to the number of days it is naturally aged. The fracture characteristics of tensile fracture surface change from ductile dimples to partially dimpled and partially intergranular. The intergranular fracture behavior is attributed to the tensile cracks initiated from the surface cell boundary, cracks caused by cell boundary oxidation. This result indicates the depth of boundary oxidation that can be promoted by alloyed 0.5% aluminum.

原文English
頁(從 - 到)191-195
頁數5
期刊Journal of Materials Science
37
發行號1
DOIs
出版狀態Published - 2002 一月 1

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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