有涂层和无涂层氮化硼碳对使用 CNC 车削加工 Al-Si12Cu 合金的材料去除率的新影响

Q4 Materials Science

NanoWorld Journal Pub Date : 2023-10-06 DOI:10.17756/nwj.2023-s3-036

N. A. W. O. J. ournal, Kasturi Sumanth, Rathinavelu Venkatesh

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引用次数: 0

摘要

本实验研究的主要目的是通过新型计算机数控（CNC）车削中心，找出在 Al-Si12Cu 合金上涂覆和未涂覆 CBN（氮化硼）刀片的材料去除率（MRR）。本研究使用了直径 50 毫米、长度 200 毫米的 Al-Si12Cu 合金。使用 CBN 涂层刀片车削样品（实验组）（N = 20），未涂层刀片作为对照组，加工另外 20 个样品（N = 20）。两组样品在车削前后都通过数字称重仪测量了 Al-Si12Cu 合金的重量，然后按照 ASTM 标准计算了 MRR，并计算了 80% 的 G 功率。根据 CBN 涂层刀片车削 Al-Si12Cu 合金的 MRR 实验测试结果，发现 2.762 mm 3 /min 和 1.781 mm 3 /min 的显著值为 0.001 (p < 0.05)。两组之间存在明显差异。获得的双尾显著性值为 0.001（p < 0.05），与无涂层插入物相比具有统计学意义，表明设计矩阵的充分性，两组之间存在显著差异。在本实验研究的限制条件下，通过 CBN 涂层刀片车削的 Al-Si12Cu 合金比通过未涂层刀片车削的样品在提高 MRR 方面发挥了显著作用。

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A Novel Influence of Coated and Uncoated Carbon Boron Nitride on Material Removal Rate for Al-Si12Cu Alloy Using CNC Turning

The prime aim of this experimental study is to find the material removal rate (MRR) of CBN (Carbon boron nitride) coated and uncoated insert on Al-Si12Cu alloy via a novel computer numeric controlled (CNC) turning center. Al-Si12Cu alloy of 50 mm diameter and 200 mm length was utilized for this study. The samples (N = 20) are turned by CBN coated insert (experimental group) and the uncoated insert is considered as the control group to machining another 20 samples (N = 20). The weight of Al-Si12Cu alloy on both group samples was measured before and after the turning process via a digital weighing machine followed by MRR was calculated as per ASTM standard with 80% G-power calculation. Based on the experimental test results of MRR for the turned Al-Si12Cu alloy by CBN coated insert showed 2.762 mm 3 /min and 1.781 mm 3 /min were found gives a significant value of 0.001 (p < 0.05). There is a significant difference between the two groups considered. The two-tailed significance value obtained is 0.001 (p < 0.05) which is statistically significant compared to the uncoated insert showing the adequacy of the design matrix and there is a significant difference have been between the two groups. Within the limitations of this experimental study, the Al-Si12Cu alloys were turned via CBN coated insert has played a prominent role in the enhancement of MRR rather than the samples turned by the uncoated insert.

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来源期刊

NanoWorld Journal Materials Science-Polymers and Plastics

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