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作者:

Chen, Xiaochuan (Chen, Xiaochuan.) | Ji, Lingfei (Ji, Lingfei.) (学者:季凌飞) | Bao, Yong (Bao, Yong.) | Jiang, Yijian (Jiang, Yijian.) (学者:蒋毅坚)

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摘要:

In this paper, high quality cutting of 1 mm dense Al2O3 electronic ceramic processed by a fiber laser with spot diameter of 15 pm was reported. The narrow kerf with 30 mu m width was obtained with laser power of 100 W. 300 W is the laser power threshold of the kerf enlargement. Under higher laser power, the ceramics can be damage-free cut with higher cutting speed. Striation-free cutting could be achieved at 1000 W laser power with a cutting speed of 350 mm/s. The ratio of cutting speed to laser power for striation-free cutting was determined as 0.35. The black cutting surface was due to the mass tetragonal alumina induced by N-2 as assist gas.

关键词:

alumina electronic ceramic fiber laser laser cutting

作者机构:

  • [ 1 ] [Chen, Xiaochuan]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Ji, Lingfei]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Bao, Yong]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Jiang, Yijian]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Chen, Xiaochuan]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China

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来源 :

MATERIALS PROCESSING TECHNOLOGIES, PTS 1 AND 2

ISSN: 1022-6680

年份: 2011

卷: 154-155

页码: 917-922

语种: 英文

被引次数:

WoS核心集被引频次: 10

SCOPUS被引频次: 10

ESI高被引论文在榜: 0 展开所有

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