Process limits for percussion drilling of stainless steel with ultrashort laser pulses at high average powers

被引：9

作者：

Brinkmeier, David ^{[1
,2
]}

Holder, Daniel ^{[1
]}

Loescher, Andre ^{[1
]}

Roecker, Christoph ^{[1
]}

Foerster, Daniel J. ^{[1
,3
]}

Onuseit, Volkher ^{[1
]}

Weber, Rudolf ^{[1
]}

Abdou Ahmed, Marwan ^{[1
]}

Graf, Thomas ^{[1
,2
]}

机构：

[1] Univ Stuttgart, Inst Strahlwerkzeuge IFSW, Pfaffenwaldring 43, D-70569 Stuttgart, Germany

[2] Univ Stuttgart, Grad Sch Adv Mfg Engn GSaME, Nobelstr 12, D-70569 Stuttgart, Germany

[3] LightPulse Laser Precis, Pfaffenwaldring 43, D-70569 Stuttgart, Germany

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2022年 / 128卷 / 01期

关键词：

Percussion drilling; Metals; Ultrashort laser pulses; Heat accumulation; HIGH-REPETITION-RATE; THIN-DISK LASER; W AVERAGE; HEAT ACCUMULATION; OUTPUT POWER; KW; MULTIPASS AMPLIFIER; FEMTOSECOND PULSES; AIR BREAKDOWN; HIGH-ENERGY;

D O I：

10.1007/s00339-021-05156-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The availability of commercial ultrafast lasers reaching into the kW power level offers promising potential for high-volume manufacturing applications. Exploiting the available average power is challenging due to process limits imposed by particle shielding, ambient atmosphere breakdown, and heat accumulation effects. We experimentally confirm the validity of a simple thermal model, which can be used for the estimation of a critical heat accumulation threshold for percussion drilling of AISI 304 steel. The limits are summarized in a processing map, which provides selection criteria for process parameters and suitable lasers. The results emphasize the need for process parallelization.

引用

页数：9

共 50 条

[1] Process limits for percussion drilling of stainless steel with ultrashort laser pulses at high average powers
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Daniel Holder
André Loescher
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Rudolf Weber
Marwan Abdou Ahmed
Thomas Graf
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[2] High-quality percussion drilling with ultrashort laser pulses
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[3] High-quality percussion drilling with ultrashort laser pulses
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[5] Analytical model for the depth progress of percussion drilling with ultrashort laser pulses
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