New photolithographic technique to detect the local deformation of materials. Application to WC-Co composites

被引：0

作者：

Mari, D. ^{[1
]}

Marti, U. ^{[1
]}

Silva, P.C. ^{[1
]}

机构：

[1] EPFL, Lausanne, Switzerland

来源：

Materials Science and Engineering A | 1992年 / A158卷 / 02期

关键词：

Cobalt - Deformation - Holography - Photolithography - Scanning electron microscopy - Tungsten carbide;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A new photolithographic technique is developed to visualize the deformation of composite materials at high temperature. A very fine metallic grid is deposited onto the surface of the samples. The grid is deposited by the evaporation of a metal through a mask fabricated by holographic lithography. This process provides a means of obtaining grids with a separation of lines as fine as 0.1 μm. Samples of WC-Co composite material were deformed at 900°C and observed by scanning electron microscopy. The displacement of the grid lines shows the decohesion of WC grains and sliding. No deformation inside the grains was observed.

引用

页码：203 / 206

共 22 条

[1] A NEW PHOTOLITHOGRAPHIC TECHNIQUE TO DETECT THE LOCAL DEFORMATION OF MATERIALS - APPLICATION TO WC-CO COMPOSITES
MARI, D
MARTI, U
SILVA, PC
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1992, 158 (02): : 203 - 206
[2] Quasi-plastic deformation of WC-Co composites loaded with a spherical indenter
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[3] Quasi-Plastic Deformation of WC-Co Composites Loaded with a Spherical Indenter
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Metallurgical and Materials Transactions A, 2007, 38 : 552 - 561
[4] A new insight into the Σ=2 grain boundary characteristics in WC powder and in WC-Co sintered materials
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[9] Grain Boundary Character Distributions of Coincidence Site Lattice Boundaries in WC-Co Composites Under Plastic Deformation
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[10] Grain Boundary Character Distributions of Coincidence Site Lattice Boundaries in WC-Co Composites Under Plastic Deformation
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