Chip formation characteristics in the machining of titanium alloys: a review

Gao, Yanfeng, Wang, Gui and Liu, Binbin (2016) Chip formation characteristics in the machining of titanium alloys: a review. International Journal of Machining and Machinability of Materials, 18 1-2: 155-184. doi:10.1504/IJMMM.2016.075467


Author Gao, Yanfeng
Wang, Gui
Liu, Binbin
Title Chip formation characteristics in the machining of titanium alloys: a review
Journal name International Journal of Machining and Machinability of Materials   Check publisher's open access policy
ISSN 1748-572X
1748-5711
Publication date 2016-01-01
Year available 2016
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1504/IJMMM.2016.075467
Open Access Status Not yet assessed
Volume 18
Issue 1-2
Start page 155
End page 184
Total pages 30
Place of publication Bucks, United Kingdom
Publisher Inderscience Publishers
Language eng
Abstract Titanium alloy is widely used in fuselage and gas turbines of aircraft with its high specific strength, strong corrosion resistance and excellent thermal stability. However, titanium alloy is one of the extremely difficult to machining materials. One typical feature in the machining of titanium alloy is the saw-tooth chip formation, which decreases the tool-chip contact area and generates the cyclic cutting force. Consequently, the fluctuation and chattering increase sharply in the process of cutting, and the cutting temperatures become very high, which limits the material removal rate and aggravates tool wear. Therefore, the primary purpose of this paper is to investigate the saw-tooth chip formation mechanism and its interaction with cutting tool. The survey of existing works shown that the main tool chip interface reaction in machining of titanium alloys are diffusion, adhesion, and abrasion. The relationship between the chip morphology and the cutting speed, feed rate, as well as machining conditions have been investigated. Besides of Ti-6Al-4V alloy, other titanium alloys, such as β titanium alloy, and the non-traditional machining method also have been investigated.
Keyword Titanium alloys
Saw-tooth chip formation
Cutting forces
Machining
Literature review
Diffusion
Adhesion
Abrasion
Chip morphology
Cutting speed
Feed rate
Machining conditions
Non-traditional machining
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: School of Mechanical & Mining Engineering Publications
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