PCD tool performance in high-speed milling of high volume fraction SiCp/Al composites
PCD tool performance in high-speed milling of high volume fraction SiCp/Al composites
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DOI：
10.1007/s00170-014-6740-4
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发表时间：
2015-01
期刊：
影响因子：
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通讯作者：
Tao Wang;L. Xie;Xibin Wang;Zhiwei Ding
中科院分区：
文献类型：
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作者：
Tao Wang;L. Xie;Xibin Wang;Zhiwei Ding
对高速铣削高体积分数（65%）、小尺寸（公称尺寸10 μm）SiC颗粒增强铝合金时聚晶金刚石（PCD）刀具的性能进行了系统的研究。研究了铣削参数（铣削速度和进给量）和PCD颗粒尺寸对刀具磨损的影响。结果表明，随着铣削速度的增加，刀具磨损量急剧增加，铣削速度超过300 m/min时，刀具磨损量不适合工业应用。在VC达到0.6mm之前，较大的进给速率可以获得较大的去除体积，而在铣削时间方面，模式相反。最佳PCD颗粒尺寸为10 μm。PCD刀具的主要磨损形式为后刀面磨损和弧坑磨损，并利用扫描电镜（SEM）、激光扫描显微镜（LSM）和拉曼光谱分析了其磨损机理。
This paper presents a systematical study on polycrystalline diamond (PCD) tool performance during high-speed milling of high volume fraction (65 %) and small size (nominal size 10 μm) SiC particle-reinforced aluminum, which is rarely reported before. The influence of milling parameters (milling speed and feed rate) and PCD particle size on tool wear were investigated. The results indicated that the tool wear increased dramatically with the milling speed, and it was not suitable to mill the material above 300 m/min for the industrial application. Larger feed rate could achieve larger removed volume before VC reached 0.6 mm, while the pattern reverses in terms of milling time. The optimized PCD particle size is 10 μm. The main wear modes of PCD tool were flank wear and crater wear, and the wear mechanism was analyzed by scanned electronical microscope (SEM), laser scanning microscope (LSM), and Raman spectroscopy.