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A preliminary study of micro heat conduction by hot-tip tribological probe microscope
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Yue, Zhaoyang and Liu, Xianping (2010) A preliminary study of micro heat conduction by hot-tip tribological probe microscope. In: 9th International Symposium on Measurement Technology and Intelligent Instruments, St Petersburg, Russia, June 29-July 02, 2009. Published in: Key Engineering Materials, Vol.437 pp. 374-378. ISBN *****************. doi:10.4028/www.scientific.net/KEM.437.374 ISSN 1013-9826.
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Official URL: http://dx.doi.org/10.4028/www.scientific.net/KEM.4...
Abstract
Scanning thermal microscopy (SThM) and infrared thermography are widely used for surface thermal characterization. However, the SThM technique is limited by measurement of the non-electrical conductive surfaces and the infrared thermography has insufficient spatial resolution for submicron localized thermal measurement. The "hot tip" Tribological Probe Microscope (TPM) has been designed to achieve better localized thermal analysis function in this paper. The schemes of system design are presented and the principle of the 'hot-tip' technique is explained by relating the signals to established thermal properties. After calibrating the lumped thermal resistances (LTR) of the probe and the ambient environment, the LTRs of 5 metal surfaces were measured and compared. In addition, the paper numerically studied the LTR of the indentation interfaces with defined thermal conductivity (TC) by Finite Element Method (FEM). Numerical linearity was observed and fitted between LTR and TC. Based on the measured LTR and the linearity, the deduced TCs of the 5 metal surfaces are agreed well with the reference values.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | T Technology > TP Chemical technology T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Series Name: | Key Engineering Materials | ||||
Journal or Publication Title: | Key Engineering Materials | ||||
Publisher: | Trans Tech Publications Ltd | ||||
ISBN: | ***************** | ||||
ISSN: | 1013-9826 | ||||
Editor: | Chugui, Y and Gao, YS and Fan, KC and Taymanov, R and Sapozhnikova, K | ||||
Official Date: | 2010 | ||||
Dates: |
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Volume: | Vol.437 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 374-378 | ||||
DOI: | 10.4028/www.scientific.net/KEM.437.374 | ||||
Status: | Not Peer Reviewed | ||||
Publication Status: | Published | ||||
Title of Event: | 9th International Symposium on Measurement Technology and Intelligent Instruments | ||||
Type of Event: | Conference | ||||
Location of Event: | St Petersburg, Russia | ||||
Date(s) of Event: | June 29-July 02, 2009 |
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