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Transcript of Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by...
![Page 1: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/1.jpg)
Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication
by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and Claus Daniel
Philosophical Transactions AVolume 368(1917):1863-1889
April 28, 2010
©2010 by The Royal Society
![Page 2: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/2.jpg)
Schematic of a laser interferometer set-up (Engleman et al. 2005).
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 3: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/3.jpg)
Schematic of the pulsed Nd:YAG laser system used for the coating process (Paital et al. 2009).
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 4: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/4.jpg)
Overlap of successive laser pulses over a single spot area.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 5: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/5.jpg)
Different steps involved in the evolution of the surface morphology at various times (t1<t2<t3) for a single laser beam.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 6: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/6.jpg)
Surface evolution for laser beam radii of (a) 450 μm, (b) 300 μm and (c) 150 μm.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 7: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/7.jpg)
Combination of profiles generated by successive pulses defining the width w and amplitude A.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 8: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/8.jpg)
Flow chart illustrating the method to predict surface morphology starting with laser processing parameters and material geometry and properties.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 9: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/9.jpg)
Groove pattern on Ti–6Al–4V by the laser interference technique (3.82 W laser power): (a) two-dimensional morphological evolution, (b) three-dimensional morphological evolution and
(c) variation in height and width (across the line scan) of the features obt...
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 10: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/10.jpg)
Pillar pattern on Ti–6Al–4V by the laser interference technique (3.82 W laser power): (a) two-dimensional morphological evolution, (b) three-dimensional morphological evolution and
(c) variation in height and width at FWHM (across the line scan) of the feat...
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 11: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/11.jpg)
Light optical images of the distilled water droplet shadow on (a) flat Ti–6Al–4V, (b) groove-patterned Ti–6Al–4V and (c) pillar-patterned Ti–6Al–4V and those of the SBF droplet shadow on
(d) flat Ti–6Al–4V, (e) groove-patterned Ti–6Al–4V and (f) pillar-patt...
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 12: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/12.jpg)
Schematic illustration of liquid invasion into (a) a groove pattern and (b) a pillar pattern.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 13: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/13.jpg)
(a) Variation in roughness factor Rf and (b) critical wetting angle θc with laser fluence for interference-patterned samples.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 14: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/14.jpg)
Low-magnification optical microscopic images of the surfaces of the coatings obtained at laser scan speed of: (a) 36 cm min−1, (b) 48 cm min−1, (c) 78 cm min−1 and (d) 102 cm min−1 (Paital &
Dahotre 2009).
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 15: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/15.jpg)
(a) Two-dimensional morphological evolution and (b) variation in height h and width w of the groove patterns (across the line scan).
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 16: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/16.jpg)
The variation in roughness factor Rf and critical wetting angle θc with laser fluence of Ca–P-coated samples obtained by the laser direct writing technique.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 17: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/17.jpg)
SEM micrographs revealing the morphology of the MC3T3-E1 osteoblast cells following culture for 1 day on a laser direct writing synthesized Ca–P-coated sample obtained at a laser power of
156 W.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society
![Page 18: Wetting behaviour of laser synthetic surface microtextures on Ti–6Al–4V for bioapplication by Narendra B. Dahotre, Sameer R. Paital, Anoop N. Samant, and.](https://reader036.fdocuments.in/reader036/viewer/2022062717/56649e585503460f94b51bfc/html5/thumbnails/18.jpg)
Fluorescent micrographs for cytoskeleton assessment of adherent MC3T3-E1 osteoblast cells after culture for 1 day on a laser direct writing synthesized Ca–P-coated sample obtained at a
laser power of 156 W.
Narendra B. Dahotre et al. Phil. Trans. R. Soc. A 2010;368:1863-1889
©2010 by The Royal Society