Laser & Optoelectronics Progress, Volume. 58, Issue 17, 1714002(2021)
Effect of Energy Density on Surface Morphology and Properties of H13 Mold Steel via Picosecond Laser Cleaning
Fig. 1. Surface morphology after laser cleaning under different energy densities.(a)Original surface;(b)1 J/cm2;(c)2 J/cm2;(d)3 J/cm2;(e)4 J/cm2;(f)5 J/cm2
Fig. 2. Cross-section morphology after laser cleaning under different energy densities.(a)Original cross-section;(b)2 J/cm2;(c)3 J/cm2;(d)4 J/cm2
Fig. 3. SEM images of real-time monitoring of temperature field under different energy densities.(a)245 ℃;(b)497 ℃;(c)156 ℃;(d)337 ℃;(e)536 ℃;(f)183 ℃
Fig. 4. Test results of surface hardness and phase composition after laser cleaning.(a)Surface hardness;(b)phase composition
Fig. 5. EDS test results of mold surface under different laser energy densities.(a)2 J/cm2;(b)3 J/cm2
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Wei Peng, Hui Lei. Effect of Energy Density on Surface Morphology and Properties of H13 Mold Steel via Picosecond Laser Cleaning[J]. Laser & Optoelectronics Progress, 2021, 58(17): 1714002
Category: Lasers and Laser Optics
Received: Dec. 7, 2020
Accepted: Jan. 7, 2021
Published Online: Sep. 14, 2021
The Author Email: Peng Wei (pengwei1969@126.com)