Study on Machinability of SiCp/Al Composites by Laser-Induced Oxidation-Assisted Turning

被引：2

作者：

Xia, Chenyang ^{[1
,2
]}

Lin, Jieqiong ^{[1
]}

Lu, Mingming ^{[1
]}

Zhang, Xuejian ^{[2
]}

Chen, Shuang ^{[1
]}

机构：

[1] Changchun Univ Technol, Sch Mechatron Engn, Key Lab Micronano & Ultraprecis Mfg Jilin Prov, Changchun 130012, Peoples R China

[2] Jilin Jianzhu Univ, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2025年 / 34卷 / 05期

基金：

中国国家自然科学基金;

关键词：

laser-induced oxidation; microstructure; tool wear; turning; SiCp/Al; HEAT-AFFECTED ZONE; TOOL LIFE; OPTIMIZATION; FABRICATION;

D O I：

10.1007/s11665-024-09399-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The SiCp/Al composite exhibits severe tool wear and poor machined surface quality in daily machining. Therefore, this study proposes a laser-induced oxidation-assisted turning (LOT) process for machining 45%SiCp/Al composites, and optimal laser-induced oxidation is achieved. The morphology and phase composition of the surface layer and sublayer under laser irradiation as well as the surface morphology of the machined material are investigated. In addition, the influence of turning parameters on cutting force and surface roughness is thoroughly investigated to reveal the mechanism behind tool wear. Compared to conventional turning (CT), LOT reduces Fx by 23% and Fy by 18%. The main surface defects observed after LOT include particle breakage, particle ejection, and matrix cracking. Using a feed rate of 0.005 mm/r and a cutting depth of 0.02 mm, the minimum surface roughness Sa is measured to be 0.121 mu m, with LOT outperforming CT in terms of increased tool life and improved surface quality.

引用

页码：4315 / 4327

页数：13

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