NDLI: Qualitative Analysis of Surface Energy Using Atomic Force Microscopy Approach

Content Provider	IEEE Xplore Digital Library
Author	Yen-Liang Yeh Ming-Jyi Jang Cheng Chi Wang Kuang Sheng Chen Yen-Pin Lin
Copyright Year	2007
Description	Author affiliation: Dept. of Autom. & Control Eng., Far East Univ. (Yen-Liang Yeh; Ming-Jyi Jang)
Abstract	This paper performs a qualitative analysis of the surface energy of copper (Cu), aluminum (Al), carbon steel (S45C) and alloy steel (SKD11) by analyzing the variation in the resonant frequency of the cantilever beam $(Si_{3}N_{4}$ ) of an atomic force microscope following repeated contacts with the specimen surface. In a pure material (Cu, Al and S45C), it is found that the adhesive mass on the tip of the cantilever beam saturates following repeated contacts with the surface. Since the adhesive mass is determined by the difference between the surface energy of the cantilever beam material and that of the test material, the surface energies of the cantilever beam and the pure materials can be qualitatively compared. However, for the alloy steel (SKD11), the adhesive mass varies after each contact and hence no conclusions can be made regarding its surface energy. The present results indicate that the surface energies of the cantilever beam and the pure materials can be ranked as follows: $Cu>Si_{3}N_{4$ >Al>S45C. It has been shown that the surface energy of a rigid material (S45C) is less than that of a soft material (Cu).
Starting Page	303
Ending Page	307
File Size	5816823
Page Count	5
File Format	PDF
ISBN	1424406102
DOI	10.1109/NEMS.2007.352032
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-01-16
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Atomic force microscopy Structural beams Steel Performance analysis Iron alloys Aluminum alloys Copper alloys Silicon alloys Resonant frequency Atomic beams Resonantfrequency Adhesion Surface energy AFM
Content Type	Text
Resource Type	Article

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