Diamond coating (1)
Y.K. Chou, J.Liu, CVD diamond tool performance in metal matrix
composite machining, Surface & Coatings Technology 200 (2005)
1872-1878.
Edge of the diamond coated silicon nitride tool seen under SEM
at 45° tilt (a) after MPCVD growth and (b) after sharpening
SEM photographs of a CVD diamond insert after the first cutting
pass (3 m/s, 0.1 mm/rev, 2 mm, 50 s) showing work material deposition.
F.A. Almeida, A.J.S. Fernandes, R.F. Silva, F.J. Oliveira, Resharpenable thick CVD diamond-coated Si3N4 tools for hardmetal
turning, Surface & Coatings Technology 201 (2006) 1776-1782.
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Diamond coating (2)
Microstructures around the cutting edge of diamond-coated tools: (a) nano-diamond and (b) MCD
F. Qin, J. Hu, Y.K. Choua, R.G. Thompson, Delamination wear of nanodiamond coated cutting tools in composite machining, Wear 267 (2009)
991-995.
Cutting edge of a CVD diamond insert
Y.K. Chou, J.Liu, CVD diamond tool performance in metal matrix
composite machining, Surface & Coatings Technology 200 (2005) 18721878.
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Diamond coating (3)
DLC and CrC/Cr coating over cemented carbide substrate
G.R. dos Santos, D.D. da Costa, F.L. Amorim, R.D. Torres, Characterization of
DLC thin film and evaluation of machining forces using coated inserts in
turning of Al–Si alloys, Surface & Coatings Technology 202 (2007) 10291033.
R.P. Martinho, F.J.G. Silva, A.P.M. Baptista, Cutting forces and wear analysis
of Si3N4 diamond coated tools in high speed machining, Vacuum 82 (2008)
1415-1420.
SEM view of the HFCVD diamond film morphology
Cross-sectional SEM view of the HFCVD diamond film on Si3N4 tool substrate
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Diamond coating (4)
SEM micrographs (a) and (c) of the cutting edge of the MCD and NCD diamond coated tools, respectively; (b) and (d) respective
microstructure of the diamond film at the rake face
F.A. Almeida, J. Sacramento, F.J. Oliveira, R.F. Silva, Micro- and nano-crystalline CVD diamond coated tools in the turning of EDM graphite,
Surface & Coatings Technology 203 (2008) 271-276.
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Diamond coating (5)
H. Sein, W. Ahmed, I.U. Hassan, N. Ali, J.J. Gracio, M.J. Jackson, Chemical vapour deposition of microdrill cutting edges for micro- and
nanotechnology applications, Journal of Materials Science 37 (2002) 5057-5063.
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Diamond coating (6)
P.J. Heaney, A.V. Sumant, C.D. Torres, R.W. Carpick, F.E. Pfefferkorn, Diamond
coatings for micro end mills: Enabling the dry machining of aluminum at
the micro-scale, Diamond & Related Materials 17 (2008) 223-233.
P.W. May, CVD Diamond - a New Technology for the Future?,
Endeavour Magazine 19(3) (1995) 101-106.
(a) MCD with average grain size of 1-3 μm and (b) fine-grained
diamond coatings with average grain size of 30-300 nm
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Diamond coating (7)
a
SEM micrograph of cutting edge after
diamond deposition
Cross-section of Sandvik Coromant’s GC4225 insert grade with CVD
layer of Al2O3
Cross-section of a nanocrystalline diamond
coating
Surface of the uncoated (a) and DLC coated on microdrill (b)
b
F.J. Teeter , Thin wins, Cutting Tool Engineering 58(10) (2006).
B. Sahoo, A.K. Chattopadhyay, A.B. Chattopadhyay, Development of diamond
coated tool and its performance in machining Al–11%Si alloy,
Bulletin of Materials Science. 25/6, (2002) 487- 491.
H.Y. Ueng, C.T. Guo, K.-H. Dittrich, Development of a hybrid coating process
for deposition of diamond-like carbon films on microdrills,
Surface & Coatings Technology 200 (2006) 2900-2908.
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Diamond coating (8)
A. Flöter, P. Gluche, K. Bruehne, H.J. Fecht, Diamond coat hones the cutting
edge, Metal Powder Report 62(2) (2007) 16-20.
Droplets found on the coating’s surface removed during
a postfinishing proces
F.J. Teeter , Thin wins, Cutting Tool Engineering 58(10) (2006).
SEM pictures of (a) a carbide blade with a cutting angle
of 35° coated with diamond and (b) a sharpened,
diamond coated, blade. The radius of curvature
decreased from approximately 15μm to less than 0,5μm.
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Powłoki na narzędziach do obróbki drewna
P. Gogolewski, J. Klimke, A. Krell, P. Beerc, Al2O3 tools towards effective machining of
wood-based materials, Journal of Materials Processing Technology 209 ( 2009 ) 2231-2236.
J.Y. Sheikh-Ahmad, J.S. Stewart, H. Feld, Failure characteristics of diamond-coated
carbides in machining wood-based composites, Wear 255 (2003) 1433-1437.
F. Eblagon, B. Ehrle, T. Graule, J. Kuebler, Development of silicon nitride/silicon
carbide composites for wood-cutting tools, Journal of the European Ceramic
Society 27 (2007) 419-428.
Low magnification SEM micrographs showing the clearance face for diamond-coated
inserts D1 (a) and D2 (b) after a linear cutting distance of 1525 m, and microstructural
details of the diamond film near the cutting edge for the same inserts (c, d)
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