Experimental investigation on dynamic buckling of the TiNi cylindrical shell under single loading

Dan Li; Zhi-ping Tang; Hui-jie Zhang

doi:10.1117/12.839372

25 August 2009 Experimental investigation on dynamic buckling of the TiNi cylindrical shell under single loading

Dan Li, Zhi-ping Tang, Hui-jie Zhang

Proceedings Volume 7375, ICEM 2008: International Conference on Experimental Mechanics 2008; 737569 (2009) https://doi.org/10.1117/12.839372
Event: International Conference on Experimental Mechanics 2008 and Seventh Asian Conference on Experimental Mechanics, 2008, Nanjing, China

Abstract

In this paper, dynamic buckling of a martensitic transformation dominated super-elastic TiNi thin cylindrical shell under single loading was studied and analyzed. The results showed that the buckling mode was mainly the non-axisymmetric diamond model, and recovered when unloading, and related with martensitic transformation and the behavior of the transformation hinge, and was significantly different from the traditional elastic-plastic cylindrical shell. The article also discussed that the influence of the length-to-diameter rate and boundary conditions on buckling mode, specific energy, critical instability threshold, and so on. The study showed, as length and boundary conditions changed, TiNi thin cylindrical shells showed a variety of buckling modal development. Under the same boundary condition, S_e was reduced as length-diameter ratio increased, had the similar law with the quasi-static compression experiments. But the specific energy of a TiNi thin cylindrical shell was greater than that in the quasi-static compression experiments.

Citation Download Citation

Dan Li, Zhi-ping Tang, and Hui-jie Zhang "Experimental investigation on dynamic buckling of the TiNi cylindrical shell under single loading", Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 737569 (25 August 2009); https://doi.org/10.1117/12.839372

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KEYWORDS

Diamond

High speed photography

Absorption

Selenium

CCD cameras

Charge-coupled devices

Photography

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