DMA

Phd / PostDoc position Additive Manufacturing - Polymers

Submitted by Andrei Constan… on Fri, 12/21/2018 - 08:42

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additive manufacturing

A postdoc or a PhD position are available immediately at the Laboratoire de Mecanique des Solides (Solid Mechanics) at https://www.polytechnique.edu/. The project is focused on understanding the impact of UV polymerization on the constitutive behaviour of printed polymer composites. The position is part of an ongoing collaboration with a german academic partner. The offers are detailed both in english and french on the job site of the CNRS (www.cnrs.fr):

Work of adhesion/separation between soft elastomers of different mixing ratios

Submitted by Yalin Yu on Thu, 09/10/2015 - 23:53

Adhesion between soft matter is a universal mechanical problem in bio-engineering and bio-integration. The Johnson–Kendall–Roberts (JKR) method is widely used to measure the work of adhesion and work of separation between soft materials.

Modeling the dynamic mechanical analysis of a single pulp fiber

Submitted by Al Taib on Mon, 05/17/2010 - 10:37

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dynamic mechanical analysis

single pulp fiber

loss and storage modulus

Hi there,

I am trying to model the DMA test for single pulp fiber. In this research I can I assume whatever procedure or materials parameters I need, from an old PhD thesis I took some materials parameters for the cellulose, hemicellulose and lignin and by using the composite theories I calculated the stiffness matrices for each constituent I have and from there I calculated the stiffness matrix of the fiber, and of course calculated the longitudinal young’s modulus of the fiber at the room temperature.

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