Results 11 to 20 of about 36,344 (156)

Nano and Micro indentation studies of bulk zirconia and EB PVD TBCs [PDF]

open access: yes, 2004
In order to model the erosion of a material it is necessary to know the material properties of both the impacting particles as well as the target. In the case of electron beam (EB) physical vapour deposited(PVD) thermal barrier coatings (TBCs) the ...
Dyer, A.   +2 more
core   +1 more source

Conventional Vickers and true instrumented indentation hardness determined by instrumented indentation tests [PDF]

open access: yes, 2010
We evaluate Vickers hardness and true instrumented indentation test (IIT) hardness of 24 metals over a wide range of mechanical properties using just IIT parameters by taking into account the real contact morphology beneath the Vickers indenter ...
Bulychev   +6 more
core   +1 more source

Fracture toughness of a zirconia engineering ceramic and the effects thereon of surface processing with fibre laser radiation [PDF]

open access: yes, 2010
Vickers hardness indentation tests were employed to investigate the near-surface changes in the hardness of a fibre laser-treated and an as-received ZrO2 engineering ceramic.
Lawrence, Jonathan   +2 more
core   +3 more sources

Analysis of indentation size effect in copper and its alloys [PDF]

open access: yes, 2013
For describing the indentation size effect (ISE), numerous models, which relate the load or hardness to the indent dimensions, have been proposed. Unfortunately, it is still difficult to associate the different parameters involved in such relationships ...
CHICOT, Didier   +6 more
core   +6 more sources

The contribution of 211 particles to the mechanical reinforcement mechanism of 123 superconducting single domains [PDF]

open access: yes, 2003
Hardness and fracture toughness of Dy-123 single-domains were studied by Vickers micro-indentation. A significant anisotropy of the mechanical properties was observed. Hardness tests give higher values when performed in (001) planes rather than in planes
Ausloos, M.   +7 more
core   +2 more sources

Exfoliated Graphite Reinforced PMMA Composite: A Study on Nanoindentation and Scratch Behavior

open access: yesJournal of Nanotechnology, 2012
The present work aims to compare the scratch hardness (Hs) with the indentation hardness (HIT) obtained from nanoindentation measurements of exfoliated graphite/poly (methyl methacrylate) (EG/PMMA) composites. EG/PMMA composites with thickness 50 μm each
Himel Chakraborty   +3 more
doaj   +1 more source

Determination of mechanical properties of alloy steel 30Kh2SN2MFA according to the instrumented indentation results [PDF]

open access: yes, 2019
Проведено комплексні дослідження механічних властивостей легованої високоміцної сталі 30Х2СН2МФА з використанням методики інструментованого індентування.
Bisyk, Sergii   +15 more
core   +1 more source

Effective indenter radius and frame compliance in instrumented indentation testing using a spherical indenter [PDF]

open access: yes, 2009
We introduce a novel method to correct for imperfect indenter geometry and frame compliance in instrumented indentation testing with a spherical indenter.
Kang, Ingeun   +3 more
core   +1 more source

Mechanical properties of Al2O3 inverse opals by means of nanoindentation [PDF]

open access: yes, 2016
In order to understand the mechanical behaviour of Al2O3 inverse opals, nanoindentation techniques have been implemented in material layers with three different microstructures, in terms of hollow or polystyrene spheres, with Al2O3 shells of distinct ...
Alcubilla González, Ramón   +6 more
core   +2 more sources

Depth-sensing indentation tests in studying plastic instabilities [PDF]

open access: yes, 2004
This review surveys the phenomenon of plastic instabilities occurring in depth-sensing indentation measurements. Investigations presented focus on the characterization of Portevin-Le Chatelier type instabilities observed in different metal alloys during ...
Bobji   +14 more
core   +1 more source

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