Reverse-Polarity Plasma Cutting of Thick Aluminum Alloy Plates

IF 0.4 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY
A. V. Grinenko, A. V. Chumaevskii, E. O. Knjazhev, D. A. Gurianov, E. A. Sidorov, E. A. Kolubaev
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引用次数: 0

Abstract

The paper investigates the structure and properties of the surface layers of AA5056 and AA2024 aluminum alloy plates 35 to 40 mm thick after reverse-polarity plasma cutting. It is shown that for alloys with varied parameters of the heat capacity, plasma cutting conditions are the same. At the best plasma cutting parameters, the cut geometry shows the lowest distortion. It is found that the cutting surface distortion occurs in exceeding the optimum heat input of the plasma arc. Conversely, at the reduced heat input, the alloy plate cannot be cut to its full thickness. Most of cutting modes provide the higher surface roughness, while the roughness of the upper edge cut reduces relative to the central and lower areas.

反极性等离子切割厚铝合金板
本文研究了厚度为 35 至 40 毫米的 AA5056 和 AA2024 铝合金板材在反极性等离子切割后表层的结构和特性。结果表明,对于热容量参数不同的合金,等离子切割条件是相同的。在最佳等离子切割参数下,切割几何形状的变形最小。研究发现,当等离子弧的输入热量超过最佳热量时,切割面会发生变形。相反,在热输入降低的情况下,合金板无法切割至全厚。大多数切割模式都能提供较高的表面粗糙度,而上边缘切割的粗糙度相对于中央和下部区域有所降低。
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来源期刊
Russian Physics Journal
Russian Physics Journal PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.00
自引率
50.00%
发文量
208
审稿时长
3-6 weeks
期刊介绍: Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.
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