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Measuring the relative density of open cell metal foams

Submitted by rezaalavi1000 on
research
relative density
metal foams
open cell

Hello,

I would like to know how to measure the density of open cell porous iron foam. I am studying the mechanical behavior of pure iron foams for which I need to compare the relative densities of different foam samples. Could the density of the foams be simply calculated by the mass over the bulk volume (volume of the struts + volume of the pores) of the foam? Can I use Archimedes principle to calculate the foam density given that I have open cells? What is the best method to calculate the foam density? 

Best Regards,

Reza

PhD position within Marine Hydrodynamics available at NTNU Trondheim

Submitted by josef.kiendl@u… on
research
Isogeometric analysis (IGA); boundary element method; potential flow; fluid-structure interaction; FSI; flexible propellers

Please check the official announcement at:

https://www.jobbnorge.no/en/available-jobs/job/138439/phd-position-within-marine-hydrodynamics-iv-136-17

PhD positions in the area of materials modelling and characterization: Western University, Canada

Submitted by Hamid.Abdolvand on
job
Funded Phd Positon
polycrystal plasticity
# Finite Element modeling
materials characterization

PhD positions are available:

I am looking for talented, self-motivated, and enthusiastic students with MSc degree in mechanical or materials engineering. Students with a background in any of the following areas are recommended to apply:

  • Solid mechanics and finite element modelling of materials
  • Crystal plasticity modelling of polycrystals
  • Materials characterization

The selected candidates are expected to start no later than January 2018.  

Characterization of Human Diaphragm at high strain rate loading.

Submitted by gaurp on
research

In this paper, we studied the strain rate dependent failure properties of human diaphragm tissue using uniaxial tensile testing at four strain rates, i.e. 0.0015/s, 65/s, 130/s and 190/s. The custom made quasi-satatic and drop tower based dynamic test setups was used to conduct the tests uptill 200/s strain rate.

Postdoc position in soft tissue mechanics

Submitted by Hamed Hatami on
job

A postdoctoral position is available in the area of characterizing the mechanical properties of biological materials. The primary objective is to use experimental methods to investigate the mechanical response of soft tissues. The candidate is responsible to develop and carry out the experiments, analyze the results, and develop computational models to understand the measured properties. Please note that applicants must have previous experience with conducting experiments on soft tissues or soft materials and they are required to have a Ph.D.

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