The Performance of Diamond-Like Carbon Coated Drills in Thermally Assisted Drilling of Ti-6Al-4V

被引：21
作者：
Bhowmick, S. [1 ]
Alpas, A. T. [1 ]
机构：
[1] Univ Windsor, Windsor, ON N9B 3P4, Canada
来源：
JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME | 2013年 / 135卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
titanium alloys; Ti-6Al-4V; diamond-like carbon; thermally assisted machining; drilling; tool coatings; adhesion; tribology; TEMPERATURE TRIBOLOGICAL BEHAVIOR; MACHINING TITANIUM-ALLOYS; CHIP FORMATION; RAMAN-SPECTROSCOPY; SURFACE INTEGRITY; WEAR MECHANISM; DLC COATINGS; TOOL LIFE; ALUMINUM; MACHINABILITY;
D O I：
10.1115/1.4025739
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Drilling performances of diamond-like carbon coatings incorporating W (W-DLC) deposited on high-speed steel tools were evaluated when drilling Ti-6Al-4V at 25 degrees C and under thermally assisted machining (TAM) conditions at 400 degrees C. Dry drilling using W-DLC coated drills caused immediate tool failure as a result of titanium adhesion. The tool lives improved for TAM drilling using W-DLC when the Ti-6Al-4V was placed (with dry surface) in a cooling bath at -80 degrees C and resulted in low and uniform drilling torques as well as good surface finish. The low coefficient of friction (COF) of W-DLC against Ti-6Al-4V observed under TAM conditions was attributed to the formation of W oxide layers at the tool surface, as determined by Raman spectroscopy. Introducing a cooling bath was necessary in order to restrict the temperature rise in the workpiece that caused rapid tool wear above 500 degrees C during drilling operations and also to prevent adhesion with minimal built-up edge (BUE) formation during drilling. The TAM performance of W-DLC coated drills was shown to be similar to that of WC-Co drills used in conventional flooded drilling.
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页数：15
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[1]   High temperature tribological behavior of W-DLC against aluminum [J].
Abou Gharam, A. ;
Lukitsch, M. J. ;
Balogh, M. P. ;
Irish, N. ;
Alpas, A. T. .
SURFACE & COATINGS TECHNOLOGY, 2011, 206 (07) :1905-1912
[2]   High temperature tribological behaviour of carbon based (B4C and DLC) coatings in sliding contact with aluminum [J].
Abou Gharam, A. ;
Lukitsch, M. J. ;
Balogh, M. P. ;
Alpas, A. T. .
THIN SOLID FILMS, 2010, 519 (05) :1611-1617
[3]   Effectiveness of uncoated WC-Co and PCD inserts in end milling of titanium alloy-Ti-6Al-4V [J].
Amin, A. K. M. Nurul ;
Ismail, Ahmad F. ;
Khairusshima, M. K. Nor .
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2007, 192 :147-158
[4]   Laser-assisted machining of an austenitic stainless steel: P550 [J].
Anderson, M. C. ;
Shin, Y. C. .
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 2006, 220 (12) :2055-2067
[5]   Laser-assisted machining of Inconel 718 with an economic analysis [J].
Anderson, Mark ;
Patwa, Rahul ;
Shin, Yung C. .
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 2006, 46 (14) :1879-1891
[6]  
[Anonymous], 1983, CIRP ANN MANUF TECHN
[7]   Understanding the tool wear mechanism during thermally assisted machining Ti-6Al-4V [J].
Bermingham, M. J. ;
Palanisamy, S. ;
Dargusch, M. S. .
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 2012, 62 :76-87
[8]   The performance of hydrogenated and non-hydrogenated diamond-like carbon tool coatings during the dry drilling of 319 Al [J].
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Alpas, A. T. .
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 2008, 48 (7-8) :802-814
[9]   The role of diamond-like carbon coated drills on minimum quantity lubrication drilling of magnesium alloys [J].
Bhowmick, S. ;
Alpas, A. T. .
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[10]   Tapping of Al-Si alloys with diamond-like carbon coated tools and minimum quantity lubrication [J].
Bhowmick, S. ;
Lukitsch, M. J. ;
Alpas, A. T. .
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2010, 210 (15) :2142-2153
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