Chip experimental analysis approach obtained by micro-end-milling in (Ti-6Al-4 V) titanium alloy and (7075) aluminium alloy

Q1 Chemical Engineering
Mario J. Remolina , Marco A. Velasco , Ernesto Córdoba
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引用次数: 2

Abstract

The chip study can be the simile to the biopsy in the machining process, as it exposes physical phenomena that are generated in the machining process (heat transfer, hardening, phase changes, heat treatments, etc.). These physical phenomena are directly influenced by the cutting parameters applied to the process (feed, cutting speed, and depth). A chip analysis procedure is proposed to estimate some of the physical phenomena generated in the micro-end-milling in a conventional CNC machine on 7075 aluminium and Ti-6Al-4 V titanium alloys. The procedure is composed of hardness tests, metallography, scanning electron microscopy (SEM), and infrared thermography. A softened chip is observed in the Ti-6Al-4 V titanium a hardened one in 7075 aluminium alloy. The chip approach evaluation evidences a great variation regarded to thermal characteristics between micro-machining and meso-machining focused on the scale of the removed layer thickness.

通过微端铣削获得(ti - 6al - 4v)钛合金和(7075)铝合金的切屑实验分析方法
芯片研究可以比喻为加工过程中的活组织检查,因为它暴露了加工过程中产生的物理现象(传热、硬化、相变、热处理等)。这些物理现象直接受到应用于加工的切削参数(进给、切削速度和深度)的影响。提出了一种切屑分析程序来估计在7075铝和Ti-6Al-4V钛合金的传统数控机床上进行微端铣削时产生的一些物理现象。该程序由硬度测试、金相、扫描电子显微镜(SEM)和红外热像仪组成。在Ti-6Al-4V钛中观察到软化的切屑,在7075铝合金中观察到硬化的切屑。芯片方法评估表明,在微观加工和细观加工之间,热特性有很大的变化,主要集中在去除层厚度的尺度上。
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来源期刊
Journal of King Saud University, Engineering Sciences
Journal of King Saud University, Engineering Sciences Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
12.10
自引率
0.00%
发文量
87
审稿时长
63 days
期刊介绍: Journal of King Saud University - Engineering Sciences (JKSUES) is a peer-reviewed journal published quarterly. It is hosted and published by Elsevier B.V. on behalf of King Saud University. JKSUES is devoted to a wide range of sub-fields in the Engineering Sciences and JKSUES welcome articles of interdisciplinary nature.
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