Research on High Speed Machining of TC17 Titanium Alloy Under Extreme Environments

2017 ◽  
Vol 71 (4) ◽  
pp. 831-839 ◽  
Author(s):  
Zhang Ping ◽  
Wang Youqiang
Keyword(s):  
Titanium Alloy ◽  
High Speed ◽  
Extreme Environments ◽  
High Speed Machining

scholarly journals B09 High speed machining of titanium alloy with PCD tools

2010 ◽  
Vol 2010.8 (0) ◽  
pp. 93-94
Author(s):  
Michiko OTA ◽  
Junya OKIDA ◽  
Hitoshi SUMIYA ◽  
Daisuke MURAKAMI ◽  
Naohiro TODA
Keyword(s):  
Titanium Alloy ◽  
High Speed ◽  
High Speed Machining ◽  
Pcd Tools

Stress Triaxiality in Chip Segmentation During High Speed Machining of Titanium Alloy

2014 ◽  
Author(s):  
Xueping Zhang ◽  
Rajiv Shivpuri ◽  
Anil K. Srivastava
Keyword(s):  
Titanium Alloy ◽  
High Speed ◽  
Split Hopkinson Pressure Bar ◽  
Shear Bands ◽  
Stress Triaxiality ◽  
Machining Process ◽  
High Speed Machining ◽  
Hopkinson Pressure Bar ◽  
Static Tests ◽  
Pressure Stress

Beside strain intensity, stress triaxiality (pressure-stress states) is the most important factor to control initiation of ductile fracture in chip segmentation through affecting the loading capacity and strain to failure. The effect of stress triaxiality on failure strain is usually assessed by dynamic Split Hopkinson Pressure Bar (SHPB) or quasi-static tests of tension, compression, torsion, and shear. However, the stress triaxialities produced by these tests are considerably different from those in high speed machining of titanium alloys where adiabatic shear bands (ASB) are associated with much higher strains, stresses and temperatures. This aspect of shear localization and fracture are poorly understood in previous research. This paper aims to demonstrate the role of stress triaxiality in chip segmentation during machining titanium alloy using finite element method. This research promotes a fundamental understanding of thermo-mechanics of the high-speed machining process, and provides a logical insight into the fracture mechanism in discontinuous chips.

Observations of Tool Life and Wear Mechanisms in High Speed Machining of Ti-6Al-4V With PCD Tools Using High Pressure Coolant Supply

2005 ◽  
Author(s):  
E. O. Ezugwu ◽  
J. Bonney ◽  
W. F. Sales ◽  
R. B. da Silva
Keyword(s):  
High Pressure ◽  
Titanium Alloy ◽  
Tool Life ◽  
Wear Mechanisms ◽  
High Speed ◽  
Cutting Tool ◽  
High Speed Machining ◽  
The Past ◽  
Pcd Tools ◽  
High Pressure Coolant

Usage of titanium alloys has increased since the past 50 years despite difficulties encountered during machining. In this study PCD tools were evaluated when machining Ti-6Al-4V alloy at high speed conditions under high pressure coolant supplies. Increase in coolant pressure tend to improve tool life and minimise adhesion of the work material on the cutting tool during machining. Adhesion can be accelerated by the susceptibility of titanium alloy to galling during machining.

The Effect of Argon-Enriched Environment in High-Speed Machining of Titanium Alloy

2005 ◽  
Vol 48 (1) ◽  
pp. 18-23 ◽  
Author(s):  
E. O. Ezugwu ◽  
R. B. Da Silva ◽  
J. Bonney ◽  
Á. R. Machado
Keyword(s):  
Titanium Alloy ◽  
High Speed ◽  
Enriched Environment ◽  
High Speed Machining

scholarly journals High Speed Machining of Bio-Titanium Alloy with a Binder-Less PcBN Tool

2004 ◽  
Vol 47 (1) ◽  
pp. 14-20 ◽  
Author(s):  
Kenichi HIROSAKI ◽  
Kazuhiro SHINTANI ◽  
Hideharu KATO ◽  
Fumi ASAKURA ◽  
Kazuya MATSUO
Keyword(s):  
Titanium Alloy ◽  
High Speed ◽  
High Speed Machining ◽  
Pcbn Tool
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