INFLUENCE OF PROCESS PARAMETERS IN FRICTION DRILLING OF TITANIUM TI-6AL-4V ALLOY

被引：1
|
作者：
Pangjundee, Thongchai [1 ]
Muttamara, Apiwat [1 ]
机构：
[1] Thammasat Univ, Fac Engn, Dept Ind Engn, 99 Moo 18 Paholyothin Rd, Klongluang 12121, Pathumthani, Thailand
来源：
MM SCIENCE JOURNAL | 2021年 / 2021卷
关键词：
Friction drilling; Titanium Ti-6Al-4V; Thrust force; Torque force; Hardness; ALUMINUM;
D O I：
10.17973/MMSJ.2021_10_2021086
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Friction drilling is a process of using the friction between the rotating conical tool and the workpiece to generate heat and deform the work piece's material and penetrate the hole. The softened material is pushed sideward and downward to make the bushing. This paper aimed to study the influence of friction drilling parameters. Thrust forces and torque forces were analysed. Experiments were carried out with a friction drill tool made of tungsten carbide on titanium grade Ti-6Al-4V. The parameters used in this study were spindle speed and feed rate. It was found that the thrust force and torque decreased with increased spindle speed and with decrease of feed parameters. The microstructure reveals that deformed grains at hole's surface relate to hardness on the cross-section of workpiece. The highest value of microhardness was 813.2 HV and reduced to the original hardness of the matrix material.
引用
收藏
页码：4791 / 4796
页数：6
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