Theoretical model for steam laser cleaning

Yongfeng Lu, Y. Zhang, W. D. Song, T. S. Low

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

A theoretical model for removal of tiny particles from solid surface covered with a thin liquid film by laser cleaning is established by taking adhesion force and cleaning force into account. When pulsed laser irradiates on the solid surface coated with a thin liquid film, a sheet of liquid near the liquid/substrate interface can be superheated through thermal diffusion. The rapid growth of vapor bubbles inside the superheated liquid can generate transient stress wave with high pressure, large enough to expel micron and sub-micron particles from the contaminated surface. By calculating the adhesion force and cleaning force, the cleaning threshold of laser fluence can be predicted from this theoretical model. The difference between cleaning force and adhesion force increases quickly along with the laser fluence and leads to higher cleaning efficiency.

Original languageEnglish (US)
Pages (from-to)409-414
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume526
StatePublished - Dec 1 1998
EventProceedings of the 1998 MRS Spring Meeting - San Francisco, CA, USA
Duration: Apr 13 1998Apr 16 1998

Fingerprint

Steam
steam
cleaning
Cleaning
Lasers
lasers
liquids
adhesion
Adhesion
Liquid films
solid surfaces
fluence
Liquids
Thin films
stress waves
Thermal diffusion
thermal diffusion
Bubbles (in fluids)
Pulsed lasers
pulsed lasers

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Theoretical model for steam laser cleaning. / Lu, Yongfeng; Zhang, Y.; Song, W. D.; Low, T. S.

In: Materials Research Society Symposium - Proceedings, Vol. 526, 01.12.1998, p. 409-414.

Research output: Contribution to journalConference article

Lu, Y, Zhang, Y, Song, WD & Low, TS 1998, 'Theoretical model for steam laser cleaning', Materials Research Society Symposium - Proceedings, vol. 526, pp. 409-414.
Lu, Yongfeng ; Zhang, Y. ; Song, W. D. ; Low, T. S. / Theoretical model for steam laser cleaning. In: Materials Research Society Symposium - Proceedings. 1998 ; Vol. 526. pp. 409-414.
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