التفاصيل البيبلوغرافية
| العنوان: |
Craterlike Structures on the Laser Cut Surface. |
| المؤلفون: |
Shulyatyev, V. B., Orishich, A. M. |
| المصدر: |
AIP Conference Proceedings; 2017, p1-4, 4p, 1 Black and White Photograph, 1 Diagram, 2 Graphs |
| مصطلحات موضوعية: |
LASER beam cutting, SURFACE morphology, SURFACE roughness, GAS flow, MILD steel |
| مستخلص: |
Analysis of the laser cut surface morphology remain topical. It is related with the fact that the surface roughness is the main index of the cut quality. The present paper deals with the experimental study of the relatively unstudied type of defects on the laser cut surface, dimples, or craters. According to the measurement results, amount of craters per unit of the laser cut surface area rises as the sheet thickness rises. The crater diameter rises together with the sheet thickness and distance from the upper sheet edge. The obtained data permit concluding that the defects like craters are observed predominantly in the case of thick sheets. The results agree with the hypothesis of crater formation as impact structures resulting from the melt drops getting on the cut channel walls upon separation from the cut front by the gas flow. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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