In this paper, a developed three-dimensional model for AFM-based nanomachining is applied to study mechanical scratching at the nanoscale. The correlation between the scratching conditions, including applied force, scratching depth, and distant between any two scratched grooves, and the defect mechanism in the substrate/workpiece is investigated. The simulations of nanoscratching process are performed on different crystal orientations of single-crystal gold substrate, Au(100), Au(110), and Au(111). The material deformation and groove geometry are extracted from the final locations of atoms, which are displaced by the rigid indenter. The simulation also allows for the prediction of normal and friction forces at the interface between the indenter and substrate. An AFM is used to conduct actual scratching at the nanoscale, and provide measurements to which the MD simulation predictions are compared. The predicted forces obtained from MD simulation compares qualitatively with the experimental results.
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ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference
June 9–13, 2014
Detroit, Michigan, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-4580-6
PROCEEDINGS PAPER
AFM-Based Nanoscratching: A 3D Molecular Dynamics Simulation With Experimental Verification Available to Purchase
Rapeepan Promyoo,
Rapeepan Promyoo
Indiana University Purdue University Indianapolis, Indianapolis, IN
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Hazim El-Mounayri,
Hazim El-Mounayri
Indiana University Purdue University Indianapolis, Indianapolis, IN
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Kody Varahramyan
Kody Varahramyan
Indiana University Purdue University Indianapolis, Indianapolis, IN
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Rapeepan Promyoo
Indiana University Purdue University Indianapolis, Indianapolis, IN
Hazim El-Mounayri
Indiana University Purdue University Indianapolis, Indianapolis, IN
Kody Varahramyan
Indiana University Purdue University Indianapolis, Indianapolis, IN
Paper No:
MSEC2014-4085, V001T03A011; 9 pages
Published Online:
October 3, 2014
Citation
Promyoo, R, El-Mounayri, H, & Varahramyan, K. "AFM-Based Nanoscratching: A 3D Molecular Dynamics Simulation With Experimental Verification." Proceedings of the ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference. Volume 1: Materials; Micro and Nano Technologies; Properties, Applications and Systems; Sustainable Manufacturing. Detroit, Michigan, USA. June 9–13, 2014. V001T03A011. ASME. https://doi.org/10.1115/MSEC2014-4085
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