TEM INVESTIGATION OF CRACKING IN Al<sub>2</sub>O<sub>3</sub> SHORT FIBRE/Al-5.5 Zn COMPOSITE

Zhang Xiyan; Liu Shikai; Gao Qing; Zhang Jixi; Qin Shuyi

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Article Navigation > Acta Materiae Compositae Sinica > 1997 > 14(2): 45-49

Zhang Xiyan, Liu Shikai, Gao Qing, et al. TEM INVESTIGATION OF CRACKING IN Al2O3 SHORT FIBRE/Al-5.5 Zn COMPOSITE[J]. Acta Materiae Compositae Sinica, 1997, 14(2): 45-49.

Citation:

Zhang Xiyan, Liu Shikai, Gao Qing, et al. TEM INVESTIGATION OF CRACKING IN Al₂O₃ SHORT FIBRE/Al-5.5 Zn COMPOSITE[J]. Acta Materiae Compositae Sinica, 1997, 14(2): 45-49.

Zhang Xiyan, Liu Shikai, Gao Qing, et al. TEM INVESTIGATION OF CRACKING IN Al2O3 SHORT FIBRE/Al-5.5 Zn COMPOSITE[J]. Acta Materiae Compositae Sinica, 1997, 14(2): 45-49.

Citation:

Zhang Xiyan, Liu Shikai, Gao Qing, et al. TEM INVESTIGATION OF CRACKING IN Al₂O₃ SHORT FIBRE/Al-5.5 Zn COMPOSITE[J]. Acta Materiae Compositae Sinica, 1997, 14(2): 45-49.

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TEM INVESTIGATION OF CRACKING IN Al₂O₃ SHORT FIBRE/Al-5.5 Zn COMPOSITE

Southwest Jiaotong University, Chengdu 610031

Received Date: 1995-06-28
Rev Recd Date: 1995-12-04
Publish Date: 1997-06-01

Abstract

Abstract

Micro cracking charact eristics of Al₂O₃ short fibre reinforced Al-5.5Z n matrix composite were studied usinga dynamic tensile technique of transmission electron microscopy( TEM). The results show that the nucleation and propagation of cracks occur mainly in the matrix and fibre/matrix interface region. This may result from the great difference in strength between the fibre and matrix. Also, it has been observed that the microcrack can close in the unlo ading process.
- metal matrix composites, fracture mechanics, TEM, crack, Alalloy,
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