激光加工传热控制中激光束整形的数值研究

IF 0.6 4区工程技术 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Lasers in Engineering Pub Date : 2002-01-01 DOI:10.1080/0898150021000054539

B. Martin, A. Loredo, D. Grevey, A. Vannes

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引用次数: 6

摘要

本文提出了一个适用于研究激光过程的热有限体积模型。它是专门开发的，以处理移动热源的相变，熔化和汽化。在激光加工中，当加工过程必须遵守规定的温度，或者更一般地说，遵守规定的约束时，传热控制特别有用。这些过程通常涉及几个激光源，或非传统的功率分配。因此，它们有许多参数需要设置。实验优化是困难的，可能是广泛的。数值模型是开发这些复杂过程的一种有用而廉价的工具。以高碳钢焊接线冷却控制和镀锌板搭接焊接为例，对两种特殊的激光工艺进行了研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Numerical investigation of laser beam shaping for heat transfer control in laser processing

This article presents a thermal finite volume model adapted to investigate laser processes. It is specially developed to treat moving heat sources with phase changes, melting and vapourisation. Heat transfer control in laser processing is particularly useful when processes must respect prescribed temperatures, or more generally, prescribed constraints. These processes involve generally several laser sources, or non-conventional power distribution. Hence, they have numerous parameters to set. Experimental optimisation is difficult and may be expansive. The numerical model is a useful and cheaper tool for development of those complex processes. For example in this article, two special laser processes are investigated: control of high carbon steel welded line cooling, zinc-coated sheets lap welding.

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来源期刊

Lasers in Engineering 工程技术-材料科学：综合

CiteScore

1.00

自引率

20.00%

发文量

审稿时长

3.4 months

期刊介绍： Lasers in Engineering publishes original (primary) research articles, reviews, short communications and letters on all aspects relating to the application of lasers in the many different branches of engineering and related disciplines. The topics covered by Lasers in Engineering are the use of lasers: in sensors or measuring and for mapping devices; in electrocomponent fabrication; for materials processing; as integral parts of production assemblies; within the fields of biotechnology and bioengineering; in micro- and nanofabrication; as well as the materials and processing aspects of techniques such as cutting, drilling, marking, cladding, additive manufacturing (AM), alloying, welding and surface treatment and engineering. Lasers in Engineering presents a balanced account of future developments, fundamental aspects and industrial innovations driven by the deployment of lasers. Modern technology has a vitally important role to play in meeting the increasingly stringent demands made on material and production systems. Lasers in Engineering provides a readily accessible medium for the rapid reporting of new knowledge, and technological and scientific advances in these areas.