Solid solution strengthening of ZnS

Jimin Zhang; William W. Chen; Alan J. Ardell

doi:10.1117/12.22486

1 October 1990 Solid solution strengthening of ZnS

Jimin Zhang, William W. Chen, Alan J. Ardell

Proceedings Volume 1326, Window and Dome Technologies and Materials II; (1990) https://doi.org/10.1117/12.22486
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

A series of ZnS-rich wurtzite solid solutions containing 8, 12 and 16 mol% Ga2S3 has been prepared. The influences of the fabrication conditions and microstructure on the mechanical properties were examined. It has been demonstrated that ZniGa2Si +2,is tougher and harder than pure ZnS due to a solid-solution strengthening effect. The hardness of the solid solutions increases with increasing concentration of Ga2S3and decreasing grain size, the grain-size dependence being of the Hall-Petch type. Finer-grained solid solutions with moderate concentrations of Ga2S3 have the highest fracture toughness. Whereas the hardness increases monotonically with increasing mole fraction of Ga2S3, the fracture toughness is a maximum at around 12% Ga2S3.

Citation Download Citation

Jimin Zhang, William W. Chen, and Alan J. Ardell "Solid solution strengthening of ZnS", Proc. SPIE 1326, Window and Dome Technologies and Materials II, (1 October 1990); https://doi.org/10.1117/12.22486

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