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cellular materials

Yongle Sun's picture

Dynamic compressive behaviour of cellular materials: a review of phenomenon, mechanism and modelling

Dynamic compressive behaviour of cellular materials is crucial to their applications in energy absorption, ballistic mitigation and blast/impact protection. The recent research progress in this subject has led to an improved understanding of the experimental, analytical and numerical observations. This review focuses on the aspects ofphenomena, mechanisms and modelling on the concerned subject.

azadpoor's picture

Additive Manufacturing (3D printing) lab at TU Delft

After several years of research in the area of additive manufacturing, biofabrication, and additively manufactured biomaterials and implants, I finally put up the first version of the website of my lab. I will gradually improve the website, but there is already links to all publications coming out of my lab in the general area of AM.

 

Asymmetric flexural behavior from bamboo’s functionally graded hierarchical structure: Underlying mechanisms

As one of the most renewable resources on Earth, bamboo has recently attracted increasing interest for its promising applications in sustainable structural purposes. Its superior mechanical properties arising from the unique functionally-graded (FG) hierarchical structure also make bamboo an excellent candidate for bio-mimicking purposes in advanced material design. However, despite its well-documented, impressive mechanical characteristics, the intriguing asymmetry in flexural behavior of bamboo, alongside its underlying mechanisms, has not yet been fully understood.

Crack Propagation in Bamboo's Hierarchical Cellular Structure

Bamboo, as a natural hierarchical cellular material, exhibits remarkable mechanical properties including excellent flexibility and fracture toughness. As far as bamboo as a functionally graded bio-composite is concerned, the interactions of different constituents (bamboo fibers; parenchyma cells; and vessels.) alongside their corresponding interfacial areas with a developed crack should be of high significance.

(Fall 2013 MRS) Symposium VV: Designed Cellular Materials—Synthesis, Modeling, Analysis and Applications

Hi Everyone:

We wanted to make sure everyone knew about this symposium, tucked away under the nanotechnology category, for the fall 2013 MRS meeting. Abstracts are due soon. We expect a heavy mechanics component for this symposium.

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MRS Symposium VV: Designed Cellular Materials—Synthesis, Modeling, Analysis and Applications

Ahmad Rafsanjani's picture

Expansion behavior of cellular solids

The expansion behavior of cellular materials is especially attractive for potential applications such as design and development of bio-inspired adaptive materials since most of biological materials have a cellular microstructure at least at one of their hierarchical levels. Wood, bone, bamboo, ice plant and honeybee combs are examples of such natural materials.

 

Henry Tan's picture

lecture note

Lecture note for the course (28 Sept - 2 Oct, 2009) at the International Centre for Mechanical Sciences (CISM), Udine, Italy.

Henry Tan's picture

Journal Club Theme of December 2009: Impact Behaviour of Materials with Cellular Structures

Choose a channel featured in the header of iMechanica: 

Welcome to the forum! Discussion topics were suggested initially as follow:

Metal foams, cell deformation (bending, buckling, plasticity and fracture), constitutive stress-strain behaviour of cellular materials, energy absorption, hypervelocity impact, shock wave behaviour, 1D shock modelling, shock attenuation, shock enhancement, Material Point Method (MPM) simulation and microscopic tomography experimental observation;

and later were extended to many related:

Henry Tan's picture

Impact of cellular materials

As the title suggests, there are two focuses of this discussion theme: impact and cellular materials.

Impact protection can be very practical problems in safety, fires and explosions, oil and gas industry, subsea structures, car manufacturing, nuclear industry, rocket space engineering, etc.

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