Nano- and Microindentation Testing of UHMWPE

The paper is aimed at an assessment of influence of damage accumulation in a thermoplastic/carbon laminate during a tensile cycling loading on durability, Young modulus and both instant and time-dependent local mechanical characteristics of a thermoplastic matrix, analysed by means of instrumented microindentation. Standard mechanical data from three-point bending are compared with results of the local microindentation testing.

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Surface micromechanics of ultrahigh molecular weight polyethylene: Microindentation testing, crosslinking, and material behavior

Journal of Biomedical Materials Research ◽

10.1002/jbm.10143 ◽

2002 ◽

Vol 61 (2) ◽

pp. 270-281 ◽

Cited By ~ 24

Author(s):

Jeremy L. Gilbert ◽

Jeffrey Cumber ◽

Aaron Butterfield

Keyword(s):

Molecular Weight ◽

Ultrahigh Molecular Weight Polyethylene ◽

Material Behavior ◽

Ultrahigh Molecular Weight ◽

Microindentation Testing

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Long-term creep properties of cementitious materials: Comparing microindentation testing with macroscopic uniaxial compressive testing

Cement and Concrete Research ◽

10.1016/j.cemconres.2014.01.004 ◽

2014 ◽

Vol 58 ◽

pp. 89-98 ◽

Cited By ~ 50

Author(s):

Qing Zhang ◽

Robert Le Roy ◽

Matthieu Vandamme ◽

Bruno Zuber

Keyword(s):

Cementitious Materials ◽

Creep Properties ◽

Compressive Testing ◽

Term Creep ◽

Microindentation Testing

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Application of atomic force microscopy for microindentation testing

Thin Solid Films ◽

10.1016/0040-6090(95)05855-9 ◽

1995 ◽

Vol 264 (2) ◽

pp. 153-158 ◽

Cited By ~ 25

Author(s):

M. Petzold ◽

J. Landgraf ◽

M. Füting ◽

J.M. Olaf

Keyword(s):

Atomic Force Microscopy ◽

Force Microscopy ◽

Atomic Force ◽

Microindentation Testing

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Experimental Studies of Elastic Properties of Dental Enamel and Photopolymer Used for early Caries Treatment

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.592-593.358 ◽

2013 ◽

Vol 592-593 ◽

pp. 358-361

Author(s):

Anton Y Beliaev ◽

Olga S. Gileva ◽

Andrew L. Zuev ◽

Maria A. Muraveva

Keyword(s):

Elastic Properties ◽

Experimental Studies ◽

Dental Enamel ◽

Constant Force ◽

Caries Treatment ◽

Series Of Experiments ◽

The Times ◽

Microindentation Testing ◽

Early Caries ◽

Microindentation Technique

The paper is concerned with the study of the elastic properties of dental enamel and its destruction by a microindentation technique. A series of experiments were performed to find differences in the mechanical properties of healthy and diseased dental enamel. It has been found that the times of dental enamel destruction in healthy and carious areas under a constant force are different. The effect of an infiltrated photopolymer on the hardness and elastic modulus of dental enamel was investigated by microindentation testing. A comparative analysis of the features of healthy, damaged by caries and treated by photopolymer enamel was carried out.

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Hardness and deformation microstructures of nano-polycrystalline diamonds synthesized from various carbons under high pressure and high temperature

Journal of Materials Research ◽

10.1557/jmr.2007.0295 ◽

2007 ◽

Vol 22 (8) ◽

pp. 2345-2351 ◽

Cited By ~ 127

Author(s):

H. Sumiya ◽

T. Irifune

Keyword(s):

High Pressures ◽

Polycrystalline Diamond ◽

Direct Conversion ◽

Knoop Hardness ◽

Indentation Hardness ◽

Hardness Tests ◽

Layered Crystals ◽

Microindentation Testing ◽

Nano Grains ◽

Knoop Indenter

Mechanical properties of high-purity nano-polycrystalline diamonds synthesized by direct conversion from graphite and various non-graphitic carbons under static high pressures and high temperatures were investigated by microindentation testing with a Knoop indenter and observation of microstructures around the indentations. Results of indentation hardness tests using a superhard synthetic diamond Knoop indenter showed that the polycrystalline diamond synthesized from graphite at ⩾15 GPa and 2300–2500 °C (consisting of fine grains 10–30 nm in size and layered crystals) has very high Knoop hardness (Hk ⩾ 110 GPa), whereas the hardness of polycrystalline diamonds synthesized from non-graphitic carbons at ⩾15 GPa and below 2000 °C (consisting only of single-nano grains 5–10 nm in size) are significantly lower (Hk = 70 to 90 GPa). Microstructure observations beneath the indentations of these nano-polycrystalline diamonds suggest that the existence of a lamellar structure and the bonding strength of the grain boundary play important roles in controlling the hardness of the polycrystalline diamond.

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