Talysurf instrument

The counterface topography was analysed on a Rank Taylor Hobson Talysurf instrument linked to a VAX computer. Surface profiles were analysed at intervals of 1.554 over a traverse length of 3.8 mm to give some 2445 data points. All the height readings were input as positive numbers relative to an arbitrary datum. They were then... 

Figures 6(b) to 6(e) illustrate profiles typical of those recorded using the Talysurf instrument. While the size of the...

Surface profiles of both sides of a calendered and an uncalendered sheet were recorded with a Talysurf 5 instrument (Rank Taylor Hobson, England), and are reported in Fig. 13. The surface is different in each case, but the bulk conductivity is not significantly altered. The pressure applied to the electrodes within the cell has not changed the surface profile of the sheet for the calendered sample. Although a difference is observed for the uncalendered sample, the surface is not as smooth as that of the calendered sheet after pressure is applied. 

The instrument used was a Rank Organization Talysurf 4 which embodies a diamond stylus of 2.5 ym diameter that exerts a normal force of 100 mg (25). Various traverse distances could be employed to produce a recording of the surface. Quantification in the form of center-line-average (CLA), roughness which is a standard measure of surface texture (ASA B46 1955), could be obtained. 

The author would like to sincerely acknowledge the dedication and effort which both Mrs. K.G. Parker and Miss G. Milosz extended in obtaining the measurements contained in this report and who as a result have made this report possible. The author would also like to thank Dr. F.G. McCaffery who readily provided valuable discussions throughout the course of this work. In addition, the contributions of Mr. N.R. Smith, Mr. C.H. Jackson and Mr. V. Masata who assisted at various times are sincerely appreciated. Ms. F. Martens and Ms. B. Moore, who have typed the report as it has taken shape, are sincerely thanked. Also appreciated are Mr. A. Moehrle and Mr. J. Holdsworth who were kind enough to permit us to borrow the Talysurf 4 instrument from the Department of Mechanical Engineering, University of Calgary. 

E. Lefebvre du Prey, Dev. Inst. Fran. Petrole, 24, 701 (1969 . Rank Organization, Rank Taylor Hobson Division, Leicester, England Operating Instructions for Talysurf 4 - Surface Measuring Instrument. 

Surface profile measurements were made by means of a Rank Taylor Hobson Form Talysurf with a 0.2-p,m diamond-tip probe in all the various planes and directions in these planes, i.e., LT, TL, LS, SL, ST, and TS. The instrument created a line scan of a real surface by pulling the probe across a predefined part of the surface at a fixed scan rate of 1 mm/s. All traces were of length 8 mm, generating 32,000 points with a sampling rate of 0.25 p,m per point, except for the SL and ST directions, which, because of the plate thickness, were limited to 2-mm... 

Form Talysurf series - Appendix Instrument theory, parameters and definitions. 

The surface roughness of the ring and liner samples was measiued before and after the test series by using a Taylor-Hobson Form Talysurf PC diamond stylus instrument, see selected parameters in Table 1. 

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