作者:Thomas Kisters , Elham Sahraei , Tomasz Wierzbicki
来源:[J].International Journal of Impact Engineering(IF 1.681), 2017, Vol.108, pp.205-216Elsevier
摘要:Abstract(#br)This paper reports on dynamic abuse tests on Li-ion cells, namely investigations on local indentation/intrusion into these cells. Two different types of cells have been investigated, pouch cells and elliptic cells. The elliptic cells were tested in two different stat...
作者:Tomasz Wierzbicki , David Jeong
来源:[J].Theoretical and Applied Fracture Mechanics(IF 0.628), 2017Elsevier
摘要:Abstract(#br)The objective of the present work is to incorporate the effect of post-initiation softening on fracture initiation modeling of steel alloy TC128 commonly used in railroad tank car manufacturing. The fracture initiation process is determined through a comprehensive me...
作者:Marcelo Paredes , Tomasz Wierzbicki , Christian C. Roth
来源:[J].International Journal of Impact Engineering(IF 1.681), 2015, Vol.86, pp.27-39Elsevier
摘要:Abstract(#br)When a long slender structure such as a wire, strut or rope is loaded under tension all the way to fracture, upon failure an elastic unloading wave propagates down the wire and reflects as a compressive wave from the distant clamp end. The compressive effect of ...
作者:Tomasz Wierzbicki , Elham Sahraei
来源:[J].Journal of Power Sources(IF 4.675), 2014, Vol.267, pp.78-97Elsevier
摘要:Abstract(#br)The present paper documents a comprehensive study on the ground impact of lithium-ion battery packs in electric vehicles. With the purpose of developing generic methodology, a hypothetic global finite element model is adopted. The force–displacement response of ...
作者:Kai Wang , Lars Greve , Tomasz Wierzbicki
来源:[J].International Journal of Solids and Structures(IF 1.871), 2015, Vol.71, pp.206-218Elsevier
摘要:Abstract(#br)Edge fracture has been a well-known challenge in the forming processes of Advanced High Strength Steels (AHSS). The difficulty of the problem mainly lies in the complex loading path of out-of-plane shearing followed by in-plane stretching. Existing Finite Element mod...
作者:Marcelo Paredes , Tomasz Wierzbicki , Paul Zelenak
来源:[J].Engineering Fracture Mechanics(IF 1.413), 2016, Vol.168, pp.92-111Elsevier
摘要:Abstract(#br)The present work deals with the concept of post-initiation softening applied to ductile crack initiation and propagation problems in thick structural components such as pre-cracked pipes and fracture specimens. The methodology includes a set of calibration steps to d...
作者:Tomasz Wierzbicki , Yannik Sparrer ...
来源:[J].International Journal of Mechanical Sciences(IF 1.613), 2016, Vol.118, pp.205-218Elsevier
摘要:Abstract(#br)In the present work a comprehensive experimental/numerical study on a 6060 T6 bumper profile subjected to combined shear-compression (shear-punch test) load is carried out. A set of key plasticity and fracture parameters to predict correctly the mechanical response o...
作者:Xiaowei Zhang , Tomasz Wierzbicki
来源:[J].Journal of Power Sources(IF 4.675), 2015, Vol.280, pp.47-56Elsevier
摘要:Abstract(#br)Most of the literature on lithium-ion battery cells is concerned with modeling of jellyroll with little attention to properties of shell casing. However, shell casing provides substantial strength and fracture resistance under mechanical loading and therefore must be...
作者:Elham Sahraei , Joseph Meier , Tomasz Wierzbicki
来源:[J].Journal of Power Sources(IF 4.675), 2014, Vol.247, pp.503-516Elsevier
摘要:Abstract(#br)Three types of lithium ion pouch cells ranging from small consumer electric cells with LiCoO 2 cathode to large (electric vehicle size) cells with nanophosphate chemistry were tested under several local and global compression scenarios, including compression between ...
作者:... Xiaowei Zhang , Elham Sahraei , Tomasz Wierzbicki
来源:[J].Journal of Power Sources(IF 4.675), 2016, Vol.336, pp.332-340Elsevier
摘要:Abstract(#br)An important deformation mode during ground impacts of battery packs made of cylindrical battery cells is axial compression. This type of loading subjects the cell to a complex deformation pattern and failure mechanism. The design of endcaps plays an important role i...


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