Results 21 to 30 of about 359,439 (295)

Comparison of the effects of MoSi2 and CrSi2 on sintering and properties of titanium diboride (TiB2) [PDF]

open access: yesProcessing and Application of Ceramics, 2023
Titanium diboride (TiB2) is a typical material classified as structural ceramics. However, sintering of TiB2 ceramics is difficult mainly because of a significant fraction of covalent bonds in the structure. In order to obtain dense TiB2 ceramics various
Gubernat Agnieszka   +6 more
doaj   +1 more source

Hardness determination of bio-ceramics using laser-induced breakdown spectroscopy. [PDF]

open access: yes, 2011
Laser-Induced Breakdown Spectroscopy (LIBS) was applied to the analysis of bioceramic samples. The relationship between sample hardness and LIBS plasma properties was investigated, with comparison to conventional Vickers hardness measurements.
Moser, D.   +23 more
core   +1 more source

Modelling Timbral Hardness

open access: yesApplied Sciences, 2019
Hardness is the most commonly searched timbral attribute within freesound.org, a commonly used online sound effect repository. A perceptual model of hardness was developed to enable the automatic generation of metadata to facilitate hardness-based ...
Andy Pearce, Tim Brookes, Russell Mason
doaj   +1 more source

A new method for hardness determination from depth sensing indentation tests [PDF]

open access: yes, 1996
A new semiempirical formula is developed for the hardness determination of the materials from depth sensing indentation tests. The indentation works measured both during loading and unloading periods are used in the evaluation.
Juhász, A.   +2 more
core   +1 more source

Hardness Evaluation of Porous Hydroxyapatite Coating [PDF]

open access: yes, 2007
The extensive use of appropriate coatings to improve wear resistance, friction coefficient, electrical properties, corrosion resistance and biomedical application has stimulated a growing interest in their mechanical properties and especially hardness ...
A. Iost   +7 more
core   +1 more source

Effect of Particulate Reinforcing Agents on Shore Hardness and Scratch Hardness of Polymeric Hybrid Blend Composites [PDF]

open access: yes, 2022
This paper explores the use of Wollastonite, Cloisite 20A, Hollow Glass Micro Spheres and Precipitated Silica as reinforcing fillers in PE-BA-GMA compatibilized blends of Hytrel with HDPE (60:40).
Manoj, Praharaj Bhatnagar
core   +1 more source

Approximation hardness of dominating set problems in bounded degree graphs [PDF]

open access: yes, 2008
We study approximation hardness of the Minimum Dominating Set problem and its variants in undirected and directed graphs. Using a similar result obtained by Trevisan for Minimum Set Cover we prove the first explicit approximation lower bounds for various
Chlebikova, Janka   +4 more
core   +1 more source

Soft-Tissue-Mimicking Using Hydrogels for the Development of Phantoms

open access: yesGels, 2022
With the currently available materials and technologies it is difficult to mimic the mechanical properties of soft living tissues. Additionally, another significant problem is the lack of information about the mechanical properties of these tissues ...
Aitor Tejo-Otero   +6 more
doaj   +1 more source

INVESTIGATION OF PROPERTIES OF CURRENT COLLECTOR ELEMENTS AND THEIR EFFECT ON THE PERFORMANCE OF TRIBOSYSTEM «CONTACT WIRE - CURRENT COLLECTOR ELEMENT»

open access: yesNauka ta progres transportu, 2015
Purpose. The paper is devoted to the detailed analysis of interrelations at the contact point of friction pair «contact wire – current collector insert».
Yu. L. Bolshakov, A. V. Antonov
doaj   +1 more source

Utilizing Hydrothermal Processing to Align Structure and In Vitro Digestion Kinetics between Three Different Pulse Types

open access: yesFoods, 2022
Processing results in the transformation of pulses’ structural architecture. Consequently, digestion is anticipated to emerge from the combined effect of intrinsic (matrix-dependent) and extrinsic (processed-induced) factors.
Katharina Pälchen   +5 more
doaj   +1 more source

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