Titanium Carbide Reinforced Composite Tool Ceramics Based on Alumina

Magdalena Szutkowska; Barbara Smuk; Marek Boniecki

doi:10.4028/www.scientific.net/AST.65.50

Paper Titles

Thermal Residual Stresses Generated during Processing of Cr-Al₂O₃ Composites and their Influence on Macroscopic Elastic Properties
p.27

Microstructural and Thermo-Mechanical Characterization of Yttria Ceramic Cores for Investment Casting, with and without Particulate Reinforcement
p.33

Effects of the Pin-on-Disc Parameters on the Wear of Alumina
p.39

Diffusion Studies Involving Nanometric and Submicrometric Based Alumina Composites with Gray Cast Iron
p.45

Titanium Carbide Reinforced Composite Tool Ceramics Based on Alumina
p.50

Ceramic Tool Materials for High Speed Cutting Process
p.56

Boron Nitride (BN) and Boron Nitride Composites for Applications under Extreme Conditions
p.61

Silicon Nitride Ceramics for Product and Process Innovations
p.70

Microstructure and Mechanical Properties of Rare-Earth Doped Si₃N₄ and Si₃N₄/SiC Ceramics
p.78

HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 65Titanium Carbide Reinforced Composite Tool...

Titanium Carbide Reinforced Composite Tool Ceramics Based on Alumina

Abstract:

The present study reports some preliminary results obtained by reinforcing Al2O3-10 wt% ZrO2 (partially stabilized with Y2O3 -Y5 and monoclinic phase m-ZrO2) composite with TiC phase in amount of 5 wt %. Ceramic composites were prepared on the basis submicro and nano scale trade powders. Apparent density, porosity, Vicker’s hardness, Young’s modulus and fracture toughness (KIC) were determined. Wear resistance (Vn) very important property for tool ceramics was specified by the speed of mass lost. Scanning electron microscopy (SEM) to observation of the fracture surface microstructure was used. The titanium carbide reinforced composite tool ceramics based on alumina exhibit high hardness, fracture toughness (critical stress intensity factor KIC increase up to 5,2 MPa m1/2), high elastic moduli and higher wear resistance in related to pure alumina. Cutting tests confirm the high performance of these ceramic composites.

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Periodical:

Advances in Science and Technology (Volume 65)

Pages:

50-55

DOI:

https://doi.org/10.4028/www.scientific.net/AST.65.50

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Online since:

October 2010

Authors:

Magdalena Szutkowska, Barbara Smuk, Marek Boniecki

Keywords:

Al₂O₃ Composite With TiC, Cutting Tool, Fracture Toughness, Hardness

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