Paper Titles

Preface and Organizing Committee

Wear Behaviors of PCBN Tools in Interrupted Turning Hardened Steel with Tool^’s Chamfer Angle and Edge Preparation Considered
p.3

Sintering of Frustum Shaped Polycrystalline Diamond Compact at Non-Hydrostatic Pressure
p.11

Experimental Research on Fabrication Process of Metal Powder for SLS
p.17

Hot Sizing Experiment Study of TC4 Titanium Alloy Bending Plate
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Finite Element Analysis of Coating Interface Stress Field of Laser Cladding CBN Coating on Titanium Alloy
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Dynamic Performance at Inner Tip of an Interfacial Crack near a Circular Cavity in Piezoelectric Bi-Materials
p.30

Target Curve Setting Model for Automatic Flatness Control on Stand 5 of 2180 mm Tandem Cold Rolling Mill
p.37

Synthesis, Characterization and Smart-Release Organic Inhibitor for Anticorrosion Coating
p.42

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 665Sintering of Frustum Shaped Polycrystalline...

Sintering of Frustum Shaped Polycrystalline Diamond Compact at Non-Hydrostatic Pressure

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Abstract:

This work present the study of the sintering of polycrystalline diamond compact with hyperbolic truncated cone profile using hexagonal boron nitride assembly, rather than salt mold, which is different from conventional assembly and this kind of polycrystalline diamond compact is widely used in percussion rock bits and roller cone rock bits. The well-sintered polycrystalline diamond compact without transition layer is prepared on a WC-10wt% Co substrate at temperature 1450°C for 3 min at non-hydrostatic high pressure of 5.5Gpa.Different analyzing techniques, such as X- ray diffraction, micro-Raman spectroscopy, scanning electron microscopy were applied to characterize the micro-structure, residual stress and sintering behavior. The SEM analysis indicates that diamond-diamond (D-D) direct bonding had formed in the polycrystalline diamond layer. The Raman spectroscopy shows compressive stress in the polycrystalline diamond layer is much higher than that sintered using traditional assembly.

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Periodical:

Applied Mechanics and Materials (Volume 665)

Pages:

11-16

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.665.11

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Online since:

October 2014

Authors:

Jian Lai Zou, Zi Li Kou*, Chao Xu, Pei Wang, Shuai Yin, Yong Li

Keywords:

High Pressure and High Temperature (HPHT), Polycrystalline Diamond Compact (PDC), Residual Stress, Sintering

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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