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Femtosecond laser micromachining of SiC ceramic structures

  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Femtosecond laser micromachining technology shows abroad application background in the field of micro manufacturing due to its unique advantages, especially for micromachining of ultrahard materials such as Silicon carbide (SiC) ceramic. The femtosecond laser micromachining system was set up, by using the system, effects of scanning velocity and laser pulse energy on quality of micromachined features were evaluated. The optimized technological parameter was obtained as 8mW, 1mm/s with 1kHz repetition frequency respectively on the basis of the morphological characteristics and microstructure accuracy. Besides, V-shaped cavity of 300μm depth and 120°angle was generated with layer-by-layer scan machining. Thus femtosecond laser micromachining technology is an effective method for hard and brittle materials precision processing.

Original languageEnglish
Title of host publicationAdvances in Materials Manufacturing Science and Technology XV
PublisherTrans Tech Publications Ltd
Pages21-24
Number of pages4
ISBN (Print)9783037858684
DOIs
StatePublished - 2014
Event15th International Manufacturing Conference in China, IMCC 2013 - Nanjing, China
Duration: 16 Oct 201318 Oct 2013

Publication series

NameMaterials Science Forum
Volume770
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference15th International Manufacturing Conference in China, IMCC 2013
Country/TerritoryChina
CityNanjing
Period16/10/1318/10/13

Keywords

  • Femtosecond laser
  • Micromachining
  • Parameter optimization
  • SiC ceramic

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