Grinding performance of TiCp/Ti-6Al-4V composites with CBN wheels, part I: experimental investigation and surface features

被引：6
|
作者：
Li, Zheng [1 ]
Ding, Wenfeng [1 ]
Liu, Chaojie [1 ]
Zhou, Huan [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Nanjing 210016, Peoples R China
来源：
8TH CIRP CONFERENCE ON HIGH PERFORMANCE CUTTING (HPC 2018) | 2018年 / 77卷
基金：
中国国家自然科学基金;
关键词：
PTMCs; Grinding; Brazed CBN wheel; CSG; HSG;
D O I：
10.1016/j.procir.2018.08.243
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This article presents a comparison study on the machining performance of particulate reinforced titanium matrix composites (PTMCs) in conventional speed grinding (CSG) and high speed grinding (HSG) using monolayer brazed CBN wheels. Grinding forces, temperature and ground surface topology have been analyzed. It is discovered that the grinding forces in CSG are higher than those in HSG. However, grinding temperature in HSG is higher. Grinding scratches and concavities are the dominant ground surface features in both the CSG and HSG. The machined surface obtained in HSG is smoother than that obtained in CSG. The material removal mechanism of PTMCs include ductile removal regime of the metallic matrix and brittle removal regime of the TiC reinforced particles in grinding. (C) 2018 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：525 / 528
页数：4
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