Nanopatterning on Nano-Polycrystalline Diamond and Cubic Boron Nitride Using Focused Ion Beam and Heat Treatment to Fabricate Textured Cutting Tools

Texturing on the surface of cutting tools is an effective method to improve the friction and resultant machining performances of the tool. In this study, to fabricate nanotextures on various tools used for precision cutting, a patterning method on nanopolycrystalline diamond and cubic boron nitride tools was investigated using focused ion beam (FIB) irradiation and heat treatment. Patterning was possible using this method, and the patterning characteristics were different from those of single-crystal diamond. This method was more suitable for cutting tools compared with direct FIB machining because of its high efficiency and significantly low affected layer.

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Single-crystal diamond tools formed using a focused ion beam: Tool life enhancement via heat treatment

Diamond and Related Materials ◽

10.1016/j.diamond.2014.07.013 ◽

2014 ◽

Vol 49 ◽

pp. 14-18 ◽

Cited By ~ 16

Author(s):

Noritaka Kawasegi ◽

Kazuma Ozaki ◽

Noboru Morita ◽

Kazuhito Nishimura ◽

Hideki Sasaoka

Keyword(s):

Heat Treatment ◽

Single Crystal ◽

Tool Life ◽

Focused Ion Beam ◽

Ion Beam ◽

Diamond Tools ◽

Single Crystal Diamond ◽

Life Enhancement

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Freestanding optical micro-disk resonators in single-crystal diamond by reactive ion etching and multidirectional focused ion-beam milling

Advances in Photonics of Quantum Computing, Memory, and Communication XI ◽

10.1117/12.2290177 ◽

2018 ◽

Cited By ~ 1

Author(s):

Teodoro Graziosi ◽

Sichen Mi ◽

Niels Quack ◽

Marcell Kiss

Keyword(s):

Single Crystal ◽

Focused Ion Beam ◽

Ion Beam ◽

Reactive Ion Etching ◽

Ion Etching ◽

Disk Resonators ◽

Single Crystal Diamond ◽

Focused Ion Beam Milling

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Scribing Characteristics of Glass Plate with Ground PCD Scribing Wheel

International Journal of Automation Technology ◽

10.20965/ijat.2018.p0760 ◽

2018 ◽

Vol 12 (5) ◽

pp. 760-766

Author(s):

Yusuke Akiyama ◽

Mutsumi Okada ◽

Hirofumi Suzuki ◽

Toshio Fukunishi ◽

Yoshiyuki Asai ◽

...

Keyword(s):

High Efficiency ◽

Glass Plate ◽

Cutting Tools ◽

Polycrystalline Diamond ◽

Diamond Wheel ◽

Precision Machining ◽

Electric Discharge Machining ◽

Single Crystal Diamond ◽

Pcd Tools ◽

Alloy Metal

Polycrystalline diamond (PCD) tools are widely used for cutting tools because PCD has no crystal orientation and is an isotropic material, it is low in cost, and it is easily machined by electric discharge machining. PCD is sintered from diamond abrasives with an alloy metal, such as cobalt, and it is difficult to reduce the surface roughness and the edge accuracy compared with single crystal diamond. In this study, high efficiency and high precision machining of the PCD wheel were investigated. In the experiments, PCD wheels were ground with a diamond wheel, and the effects of the grinding direction and the load on the tool preciseness and the scribing performance were examined.

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Cutting Performances of Nano-Polycrystalline Diamond

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.523-524.105 ◽

2012 ◽

Vol 523-524 ◽

pp. 105-108

Author(s):

Katsuko Harano ◽

Hitoshi Sumiya ◽

Daisuke Murakami

Keyword(s):

High Temperature ◽

Single Crystal ◽

Cutting Tools ◽

Polycrystalline Diamond ◽

High Hardness ◽

Direct Conversion ◽

High Wear Resistance ◽

Single Crystal Diamond ◽

Anisotropic Mechanical Properties ◽

Hard And Brittle Materials

Single-phase (binder-less) nano-polycrystalline diamond (NPD) has been synthesized by direct conversion sintering from graphite under high pressure and high temperature. NPD is characterized by extremely high hardness compared with single crystal diamond (SCD), even at high temperature. In addition, NPD has high wear resistance, no anisotropic mechanical properties, no cleavages, and high thermal stability. These characteristics suggest that NPD has high potential for use in precision cutting tools for various hard works. In order to evaluate the cutting performance of NPD, cutting tests for various cemented carbides were conducted under various conditions and the results compared with those of single crystal diamond (SCD) and conventional polycrystalline diamond containing metal binder (PCD). The results revealed that NPD has outstanding potential for precision cutting and processing of diverse hard and brittle materials.

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