Micro-Machining the Surface of Metallic Workpiece by Pulsed YAG Laser

Fu, Yujun; Zhou, Jian Zhong; Ye, Yun Xia; Zhang, Yong Kang; Liu, Cai

doi:10.4028/www.scientific.net/kem.259-260.522

Cited by 1 publication

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“…We used a high-power Nd:YAG laser (energy density is about 10 6-7 w/cm 2 ) with high repetitive frequency (about several KHZ) to LST the gray iron [31]. The obtained surface conditions of gray iron is shown in Fig.…”

Section: Investigation Into Lstmentioning

confidence: 99%

Investigation into LST and its Novel Application in Mould

Wang

et al. 2007

AMR

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Laser surface texturing (LST) technology that is firstly used in rollers, is a specialized surface engineering process capable of enhancing the surface material properties, wear resistance, fretting fatigue life and reducing friction. This practical technology of the LST process is based on a pulsating laser beam that, by material ablation, generates the optimum topographical surface. In order to exploit the full potential of the process, a great amount of research has explored from the material removal mechanics to the development of the LST process. This paper reports on the LST research involving the LST technology surveying process optimization, LST equipment and its industrial applications. The paper also highlights the forming theory describing the skin-pass process of transferring the textured roller’s surface structure onto the steel sheet, and the laser-matter interaction that occurs when and intense laser beam is tightly focused in the workpiece surface. It presents the influence of various factors affecting the textured workpiece performance together with the investigations into tribology of textured components. The paper also discusses these developments and some fundamental on future LST research.

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Section: Investigation Into Lstmentioning

confidence: 99%