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JING Yongjuan, LI Xiaohong, XIE Zonghong, YUE Xishan. Influence of geometrical parameters on specific strength of Ti-based alloy honeycomb unit[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2013, (9): 103-106.
Citation: JING Yongjuan, LI Xiaohong, XIE Zonghong, YUE Xishan. Influence of geometrical parameters on specific strength of Ti-based alloy honeycomb unit[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2013, (9): 103-106.
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Influence of geometrical parameters on specific strength of Ti-based alloy honeycomb unit

  • 1.

    Beijing Aeronautical Manufacturing Technology Research Institute, Beijing 100024, China

  • 2.

    School of Astronautics, Northwestern Polytechnical University, Xi'an 710000, China

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  • Received Date: July 10, 2012
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  • The influence of the geometrical parameters, the inscribed circle diameter D and the cell wall thickness t,on the density and strength of the honeycomb unit made with Tibased alloy was investigated.It was found that when D was large and t was thin, the microstructure of the weld interface was discontinuous and differed in grain sizes,which would seriously deteriorate the strength of the honeycomb unit.The unit strength could be expressed as σ=118.8×t-3.44 when D was 11.2 mm, or σ=262.8×t-5.94 when D was 6.4 mm.High specific strength was obtained with D as 4.8 mm and t as 0.05 mm.The quantitative relation between the geometrical parameters and specific strength could be estimated by the specific strength of the honeycomb unit with Ti-based alloys.
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