Stress Distribution in the Cruciform Specimen under Transverse Tension Stress for SiC/Ti-6Al-4V Composites

稀有金属材料与工程, 2009, 38(z3): 33-36.

Stress Distribution in the Cruciform Specimen under Transverse Tension Stress for SiC/Ti-6Al-4V Composites

^1, , ^2, , ^3, , ^4, , ^5,

1.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

2.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

3.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

4.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

5.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

基金项目: Supported by the Natural Science Foundation of China the Defense Fundamental Research Program of China and the Doctoral Innovation Foundation of Northwestern Polytechnical University

Stress Distribution in the Cruciform Specimen under Transverse Tension Stress for SiC/Ti-6Al-4V Composites

Yang Yanqing ^1, , Yuan Meini ^2, , Li Jiankang ^3, , Huang Bin ^4, , Luo Xian ^5,

1.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

2.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

3.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

4.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

5.State Key Lab of Solidification, Northwestern Polytechnical University, Xi'an 710072, China

Keywords： titanium matrix composites

The cruciform specimen was selected to obtain the transverse tensile behavior of SiC fiber reinforced titanium matrix composites. Moreover, the means of combining the unilaterally coupled finite element method with the transverse tensile test was developed to evaluate the interfacial normal bond strength of composites. The results showed that the initial non-linearity in the transverse stress-strain curve of SiC/Ti-6Al-4V occurs at the stress of 350 MPa. The means of combining the unilaterally coupled finite element method with the transverse tensile test is an effective method to predict the interfacial normal bond strength of composites. In addition, the interface failure mechanism of composites was analyzed in detail.

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材料期刊网

Stress Distribution in the Cruciform Specimen under Transverse Tension Stress for SiC/Ti-6Al-4V Composites

Stress Distribution in the Cruciform Specimen under Transverse Tension Stress for SiC/Ti-6Al-4V Composites

参考文献