Crack Profile under Vickers Indents

Zdenĕk Jonšta; Lucie Olejníčková; Karel Mazanec

doi:10.4028/www.scientific.net/KEM.409.295

Paper Titles

Fracture Surface Development Coefficient and Sialon Ceramics’ Bending Strength
p.279

Corrosion of Alumina Ceramics in an Aqueous Solution of Sodium Chloride
p.283

Fractography of Dense Metal-Like Carbides Sintered with Carbon
p.287

Ceramic Materials for Ballistic Protection
p.291

Crack Profile under Vickers Indents
p.295

Mechanical Behavior of Sintered Porous Two-Phase Titanium Nanolaminate-Composites at High Temperatures
p.300

Failure Investigation of Forming Rolls Made of Si₃N₄
p.304

Comparison of R-Curve Behavior of Si₃N₄ Measured by Indentation Method and Single-Edge V-Notched Beam Technique (SEVNB)
p.308

Investigation of γ-Alon Structural Evolution during Sintering and Hot-Pressing
p.313

HomeKey Engineering MaterialsKey Engineering Materials Vol. 409Crack Profile under Vickers Indents

Crack Profile under Vickers Indents

Abstract:

The present work is focused on complex evaluation of crack profiles, created around Vickers indents in two types of cutting tool ceramics, namely in the Al2O3 + ZrO2 ceramics and -Si3N4. The geometry of Vickers indents is investigated using two different evaluation methods. The first one is based on the application of serial sectioning from the indented specimen surface. The second method consists in the layer removing from plane perpendicular to the indented surface. These evaluation methods are convenient for determine the shape of created cracks and profiles of deformed area developed around the investigated indents. The mentioned methods contribute to the understanding of physical engineering principles resulting from the radial/median and lateral crack formation as the important characteristics influencing the reliable technical application of investigated ceramic materials.

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Periodical:

Key Engineering Materials (Volume 409)

Pages:

295-299

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.409.295

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Online since:

March 2009

Authors:

Zdenĕk Jonšta, Lucie Olejníčková, Karel Mazanec

Keywords:

Ablated Layer, Cutting Tool Ceramic, Deformation Around Indent, Lateral Crack, Serial Sectioning, Shape of Indent

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