An innovation which currently in 4th TRL aims to improve laser-material interaction by increasing absorption of laser energy through surface roughness using laser surface modificatio

Aiman, Mohd Halil

Amira Qistina Syamimi, Zaifuddin

Muhammad Izhar, Ishak

Quazi, Moinuddin Mohammed

UMP Institutional Repository

An innovation which currently in 4th TRL aims to improve laser-material interaction by increasing absorption of laser energy through surface roughness using laser surface modificationINVENTOR: AQ ZAIFUDDIN, MH AIMANFACULTY: FAKULTI TEKNOLOGI KEJURUTERAAN MEKANIKAL & AUTOMOTIFUNIVERSITY: UNIVERSITI MALAYSIA PAHANGEMAIL: aimanmh@ump.edu.my CO-INVENTORS: MM QUAZI, M ISHAK, T ARIGARESEARCH BACKGROUNDNon-modified surface Modified with LSM 27 WHeight imageColor imageENHANCEMENT OF LASER ABSORPTIVITY IN METAL BY LASER SURFACE MODIFICATION▪ Metal has low laser energy absorptivity▪ Industries demand for high laser power to compensate for low energy efficiencyMOTIVATION▪ “Effect of Laser Surface Modification (LSM) on laser energyabsorption for laser brazing”ICMER 2019, IOP Conf. Ser.: Mater. Sci. Eng. 2020 Apr 1(788, 1, 012013)▪ “Enhancement of Laser Heating Performance by Laser SurfaceModification on Titanium Alloy”NCON-PGR 2020 CONFERENCE, JMES (Accepted)▪ “Influence of Laser Surface Texturing Parameters on The SurfaceCharacteristics of Ti6Al4V and Their Effect on Laser Heating”JOURNAL OPT LASER ENG. (Accepted)PUBLICATION & CONFERENCE▪ RDU1903118 Effect Of Surface Modification On Lowering Energy Requirement For Indirect Laser Brazing▪ PGRS200305 Effect Of Modified Titanium Surface On Energy Absorption For Laser Brazing.▪ PROF T ARIGA From Tokai University. Advisor of the project▪ TOKYO BRAZE CO., LTD Supplying raw material▪ ENVIRONMENTLess laser energy usage to perform similar task▪ ECONOMYDecrease capital cost for laser machine▪ SOCIAL ECONOMYIncrease implementation of laser technology in SME leading to advance societyIMPACT OF THE INNOVATION▪ Fast process▪ Uniform finishing▪ High accuracy and precision▪ Non-consumable▪ Low operation costADVANTAGES OF LSM648 µm x 646 µm 648 µm x 646 µmShorter time toboost up temperatureMaximum temperature increased significantlyPROCESS FLOW AND VALIDATION“Modified surface improved energy absorptivity in form of temperature rise”▪ However, the absorptivity can be enhanced byincreasing surface roughness and oxide layer▪ Low power Laser Surface Modification (LSM) couldincrease surface roughness which can further improveenergy absorptivityMECHANISM TO INCREASE ABSORPTIVITYSURFACE ROUGHNESS OXIDE LAYERFLAT SURFACEFINANCIAL SUPPORT & COLLABORATION

Enhancement of laser absorptivity in metal by laser surface modification

http://umpir.ump.edu.my/id/eprint/34509/1/Enhancement%20of%20laser%20absorptivity%20in%20metal%20by%20laser%20surface%20modification.CITREX2021..pdf

Enhancement of laser absorptivity in metal by laser surface modification

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