Cart (Loading....) | Create Account
Close category search window

A quantitative study of the effect of surface texture on plasticity induced surface roughness and dislocation density of crystalline materials

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Zamiri, Amir R. ; Department of Mechanical Engineering, Michigan State University, East Lansing, Michigan 48824, USA ; Pourboghrat, F. ; Bieler, T.R.

Your organization might have access to this article on the publisher's site. To check, click on this link: 

Microscale simulations are used to study the effects of the surface texture and plastic deformation on surface roughness and dislocation density, which are important parameters controlling some surface physical properties such as electron work function (EWF) and phonon emission of crystalline materials. The results of the simulations on superconducting niobium show that the intensity and the components of the surface texture have significant effects on the plasticity induced surface roughness and dislocation density. A weak surface texture develops a rough surface after plastic deformation, which is due to the different plastic “shear rates and directions” behavior in the grains with different orientations. Some grains with specific orientation experience more plastic deformation, and therefore develop an intragrain surface roughness due to the development of microtexture and inhomogeneous plastic deformation inside the grain. Due to an inhomogeneous plastic deformation, the dislocation density not only is different in the grains with different orientations but also is inhomogeneous within a grain. Therefore, it may be possible to design surface texture to obtain optimal EWF and minimal electron emission and control surface roughness and dislocation density in polycrystalline materials.

Published in:

Journal of Applied Physics  (Volume:104 ,  Issue: 8 )

Date of Publication:

Oct 2008

Need Help?

IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.