Skip to main content
Article thumbnail
Location of Repository

Wettability characteristics of a modified mild steel with CO2, Nd:YAG, excimer and high power diode lasers

By Jonathan Lawrence and Lin Li


Interaction of CO2, Nd:YAG, excimer and high-power diode laser radiation with the surface of a common mild steel (EN8) was found to effect changes in the wettability characteristics of the steel, namely changes in the measured contact angle of certain liquids. Such changes were identified as being due to modifications to (i) the surface roughness, (ii) changes in the surface oxygen content and (iii) changes in the surface energy of the mild steel. However, it was found that changes in the wettability characteristics of the mild steel were predominantly influenced by the surface roughness. To a much lesser extent surface O2 content is also thought to play a role. The work has shown that the wettability characteristics of the selected mild steel could be controlled and/or modified with laser surface treatment. Moreover, the findings of this work strongly indicate the existence of a relationship between the change of the wetting properties of the mild steel and the laser wavelength

Topics: H680 Optoelectronic Engineering, H700 Production and Manufacturing Engineering
Publisher: IOP Institute of Physics
Year: 1999
DOI identifier: 10.1088/0022-3727
OAI identifier:

Suggested articles


  1. (1960). A doi
  2. (1998). A and Cagliostro D doi
  3. (1997). A and Sissakyn E V
  4. (1997). Bensalem A and Shafeev G A doi
  5. (1992). Hibst H and Hagemeyer A doi
  6. (1991). Surfaces, Interfaces and Colloids doi
  7. (1978). Wetting Spreading and Adhesion doi

To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.