Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19859
Title: Microstructure investigation of a SiC whisker reinforced eutectoid zinc alloy matrix composite
Authors: Mei, Z
Zhu, YH
Lee, WB 
Yue, TM 
Pang, GKH
Keywords: Metal matrix composites (MMCs)
Microstructure
Electron microscopy
Issue Date: 2006
Publisher: Elsevier
Source: Composites. Part A, Applied science and manufacturing, 2006, v. 37, no. 9, p. 1345-1350 How to cite?
Journal: Composites. Part A, Applied science and manufacturing 
Abstract: The microstructure of a SiC whisker reinforced eutectoid zinc alloy metal matrix composite has been studied by transmission electron microscopy. Precipitation of η particles inside α phase in the matrix was detected, with the orientation relationship, [0 0 0 1]η ∥ [over(1, ̄) 1 1]α, (2 over(1, ̄) over(1, ̄) 0)η ∥ (0 2 over(2, ̄))α for newly manufactured composite; [2 over(1, ̄) over(1, ̄) 0]η ∥ [0 1 1]α, (0 0 0 1)η ∥ (1 over(1, ̄) 1)α for prolonged aged composite. T′ phase was detected in prolonged aged composite. SiC reinforcements were well bonded with the matrix. The interface between the SiC whisker and the matrix was clean and no damage of the material was observed at the interfaces between the matrix and reinforcements. Crystal defects like stacking faults, dislocations and twin were observed in the SiC whiskers. A new phase, Cu5Zn8, was observed near the SiC whiskers.
URI: http://hdl.handle.net/10397/19859
ISSN: 1359-835X
DOI: 10.1016/j.compositesa.2005.08.011
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