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Approaching CNT Reinforcing Up-limit by Hydrogen Passivation Induced Dispersion

Submitted by Xiaodong Li on
research
CNT; Dispersion; Reinforcing; Hydrogen passivation

We have developed a technique, described in Advanced Materials , which combines hydrogen passivation with ultrasonication to successfully disperse multiwalled carbon nanotubes (MWCNTs) in both absolute ethanol solution and epoxy resin, overcoming one of the greatest challenges in the application of nanotubes.

Old paper request from ASME JOURNAL OF APPLIED MECHANICS

Submitted by dukkipat on
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I am looking for this paper and I am putting this request since I cannot purchase this from the Journal website. They have papers available only from 1960s.

Thanks

Venkat

 

Aleck, B. J., "Thermal Stresses in a Rectangular Plate Clamped Along an Edge," ASME JOURNAL OF APPLIED MECHANICS, Solid-State Electronics, Vol. 16, June 1949, pp. 118-122.

Old paper request from ASME JOURNAL OF APPLIED MECHANICS

Submitted by dukkipat on
research

I am looking for this paper and I am putting this request since I cannot purchase this from the Journal website. They have papers available only from 1960s.

Thanks

Venkat

 

Aleck, B. J., "Thermal Stresses in a Rectangular Plate Clamped Along an Edge," ASME JOURNAL OF APPLIED MECHANICS, Solid-State Electronics, Vol. 16, June 1949, pp. 118-122.

 

Kerry Rowe, Editor of Geotextiles and Geomembranes, receives EIC’s highest award

Submitted by Laure Ballu on
research
engineering
R. Kerry Rowe
EIC
Sir John Kennedy Medal
Geotextiles and Geomembranes
Computers and Geotechnics

The Engineering Institute of Canada (EIC) has awarded Kerry Rowe the Sir John Kennedy Medal, “EIC’s highest award, in recognition of outstanding merit in the engineering profession, or of noteworthy contributions to the science of engineering, or to the benefit of the Institute”.  Kerry is Editor of Geotextiles and Geomembranes, and a member of the editorial board of Computers and Geotechnics.

A very slender hollow column subjected to compression

Submitted by Hongyuan Zhou on
research
buckling

Hi, everyone, my friend asks me whether it is possible to: construct a extremely slender hollow column of 100 m long and less than 1 m* 1 m in cross-section dimension, which can withstand 10 ton compression force from the two ends without buckling/failure. The material is not fixed.

With such a large length-to-diameter (hollow section) ratio, intuitively, I think it is impossible to withstand the compression with such a slender column.But I am not very sure.

Your comments are very much appreciated!

Mixed mode crack growth in 3D

Submitted by chunfang on
research
3D crack problem

We recently developed a numerical frame work, attached, to model 3D crack growths under mixed mode loadings. The result is validated by FULL Eshelby's solution we formulated with Matlab http://www.sciencedirect.com/science/article/pii/S0098300411002378.

We want to validate the model experimentally, e.g. fracturing test using transparent materials. If you find it interesting, please comment.

Vortex theory of electromagnetism and its non-Euclidean character

Submitted by Ali_Hadjesfandiari on
research
Four-dimensional vorticity field
Four-dimensional mean curvature field
Non-Euclidean geometry of electromagnetic field
Mechanical theory of interaction
Geometrical theory of interaction
Four-dimensional theory of particle
Vortical theory of motion

Although the theory of electrodynamics has been around for a long time, its fundamental geometrical character has not been understood.  My knowledge in continuum mechanics, especially vortex theory in fluid mechanics and rigid body dynamics, has enabled me to complete the theory of relativity and reveal the hidden geometric character of electrodynamics.  Amazingly, everything in electrodynamics is about rotation, vorticity and mean curvature.  

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