Laser heating mechanism including evaporation process initiating laser drilling

Bekir Sami Yilbaş; Ahmet Z. Şahin; R. Davies

doi:10.1016/0890-6955(94)00062-O

Laser heating mechanism including evaporation process initiating laser drilling

Bekir Sami Yilbaş^*
, Ahmet Z. Şahin
, R. Davies

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

122 Scopus citations

Abstract

A laser heating mechanism initiating the drilling process is examined. The study includes conduction and convection effects and assumes a steady-state evaporation process. This enables estimation of the limits of the Fourier theory in laser drilling applications. Using the model described in the analysis, maximum temperature attained inside the material, nucleation, explosion process and drilling efficiency are predicted. The results obtained from the present work for the vapor front velocity are compared to those obtained from previous experiments. In addition, a laser drilling experiment is carried out while monitoring the surface evaporation process. This enables correlation of the theoretical results with the experiments.

Original language	English
Pages (from-to)	1047-1062
Number of pages	16
Journal	International Journal of Machine Tools and Manufacture
Volume	35
Issue number	7
DOIs	https://doi.org/10.1016/0890-6955(94)00062-O
State	Published - Jul 1995

Bibliographical note

Funding Information:
Acknowledgment--The authors acknowledge the support of King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia for this work.

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1016/0890-6955(94)00062-O

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title = "Laser heating mechanism including evaporation process initiating laser drilling",

abstract = "A laser heating mechanism initiating the drilling process is examined. The study includes conduction and convection effects and assumes a steady-state evaporation process. This enables estimation of the limits of the Fourier theory in laser drilling applications. Using the model described in the analysis, maximum temperature attained inside the material, nucleation, explosion process and drilling efficiency are predicted. The results obtained from the present work for the vapor front velocity are compared to those obtained from previous experiments. In addition, a laser drilling experiment is carried out while monitoring the surface evaporation process. This enables correlation of the theoretical results with the experiments.",

author = "Yilba{\c s}, \{Bekir Sami\} and {\c S}ahin, \{Ahmet Z.\} and R. Davies",

note = "Funding Information: Acknowledgment--The authors acknowledge the support of King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia for this work.",

year = "1995",

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AU - Yilbaş, Bekir Sami

AU - Şahin, Ahmet Z.

AU - Davies, R.

N1 - Funding Information: Acknowledgment--The authors acknowledge the support of King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia for this work.

PY - 1995/7

Y1 - 1995/7

N2 - A laser heating mechanism initiating the drilling process is examined. The study includes conduction and convection effects and assumes a steady-state evaporation process. This enables estimation of the limits of the Fourier theory in laser drilling applications. Using the model described in the analysis, maximum temperature attained inside the material, nucleation, explosion process and drilling efficiency are predicted. The results obtained from the present work for the vapor front velocity are compared to those obtained from previous experiments. In addition, a laser drilling experiment is carried out while monitoring the surface evaporation process. This enables correlation of the theoretical results with the experiments.

AB - A laser heating mechanism initiating the drilling process is examined. The study includes conduction and convection effects and assumes a steady-state evaporation process. This enables estimation of the limits of the Fourier theory in laser drilling applications. Using the model described in the analysis, maximum temperature attained inside the material, nucleation, explosion process and drilling efficiency are predicted. The results obtained from the present work for the vapor front velocity are compared to those obtained from previous experiments. In addition, a laser drilling experiment is carried out while monitoring the surface evaporation process. This enables correlation of the theoretical results with the experiments.

UR - https://www.scopus.com/pages/publications/0029345732

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JO - International Journal of Machine Tools and Manufacture

JF - International Journal of Machine Tools and Manufacture

IS - 7

ER -

Laser heating mechanism including evaporation process initiating laser drilling

Abstract

Bibliographical note

ASJC Scopus subject areas

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