Analytical model for the depth progress of percussion drilling with ultrashort laser pulses

被引：25

作者：

Holder, Daniel ^{[1
]}

Weber, Rudolf ^{[1
]}

Graf, Thomas ^{[1
]}

Onuseit, Volkher ^{[1
]}

Brinkmeier, David ^{[1
,2
]}

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

Feuer, Anne ^{[1
]}

机构：

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

[2] Grad Sch Excellence 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 | 2021年 / 127卷 / 05期

关键词：

Percussion drilling; Metals; Ultrashort laser pulses; Depth progress; Analytical model; HEAT ACCUMULATION; REPETITION-RATE; ABLATION; PICOSECOND; FEMTOSECOND; METALS; STEEL; SHAPE; MORPHOLOGY; EVOLUTION;

D O I：

10.1007/s00339-021-04455-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A simplified analytical model is presented that predicts the depth progress during and the final hole depth obtained by laser percussion drilling in metals with ultrashort laser pulses. The model is based on the assumption that drilled microholes exhibit a conical shape and that the absorbed fluence linearly increases with the depth of the hole. The depth progress is calculated recursively based on the depth changes induced by the successive pulses. The experimental validation confirms the model and its assumptions for percussion drilling in stainless steel with picosecond pulses and different pulse energies.

引用

页数：8

共 50 条

[1] Analytical model for the depth progress of percussion drilling with ultrashort laser pulses
Daniel Holder
Rudolf Weber
Thomas Graf
Volkher Onuseit
David Brinkmeier
Daniel J. Förster
Anne Feuer
[J]. Applied Physics A, 2021, 127
[2] Correction to: Analytical model for the depth progress of percussion drilling with ultrashort laser pulses
Daniel Holder
Rudolf Weber
Thomas Graf
Volkher Onuseit
David Brinkmeier
Daniel J. Förster
Anne Feuer
[J]. Applied Physics A, 2021, 127
[3] Analytical model for the depth progress of percussion drilling with ultrashort laser pulses (vol 127, 302, 2021)
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Weber, Rudolf
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Feuer, Anne
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[10] Hole formation process in ultrashort pulse laser percussion drilling
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