Results 11 to 20 of about 36,063 (292)

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

open access: bronze, 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 ...
Seung‐Kyun Kang   +4 more
openalex   +4 more sources

Obtaining molybdenum-copper plates by spark pmasma sintering [PDF]

open access: yes, 2008
In the article, there has been molybdenum-copper bulk samples sintering, obtained the spark plasma sintering technology. XRD-diffraction, scanning electron microscopy and Vickers hardness test were carried out in this work.
Половинкина, Ю. Н.   +1 more
core   +2 more sources

The effect of different insertion techniques on the depth of cure and vickers surface micro-hardness of two bulk-fill resin composite materials [PDF]

open access: yes, 2017
The aim of this study was to evaluate the Vickers surface micro-hardness and the depth of cure of two bulk-fill resin composites and one incremental-fill resin composite.
Abou Elenein, Karim   +2 more
core   +2 more sources

Realization of High Efficiency and Low Damage Machining of Anisotropic KDP Crystal by Grinding [PDF]

open access: yes, 2019
Potassium dihydrogen phosphate (KDP) is a non-linear material used in various opto-electronic applications including Q-switches, high-speed photography shutters, frequency harmonic generation lens and Pockels cells in the Inertial Confinement Fusion (ICF)
Cai, Rui   +4 more
core   +1 more source

Improvement design of existing threshing machine at Kilang Sawit Risda, Ulu Keratong [PDF]

open access: yes, 2020
Palm oil is very important in the agricultural and economic sectors in Malaysia. It’s origin is in the tropical rain forest region of West Africa, which the main belt runs through the southern latitudes of Cameron, Cote D’ ivoire, Ghana, Liberia, Nigeria,
Chen, Chit Wee   +8 more
core   +2 more sources

Physical properties of cutlet-clay ceramic [PDF]

open access: yes, 2011
A series of ceramic based on (x) cullet-(l00-x) clay has successfully been made by slip casting followed by sintering at 800°C. The sample density has been determined using the Archimedes method while their hardness by the Vickers Hardness Test ...
Md. Yusuf, Mohd. Nor   +2 more
core   +1 more source

Comparative evaluation of the surface hardness of different esthetic restorative materials: An in vitro study

open access: yesJournal of Pharmacy and Bioallied Sciences, 2020
Aim: The aim of this study was to evaluate the surface hardness of a newly developed fiber-reinforced composite and bulkfill composites. Materials and Methods: Fiber-reinforced composite and other commercially available bulkfill composites were used ...
Anoop Samuel   +5 more
doaj   +1 more source

Developing definitions of conventional hardness tests for use by National Metrology Institutes

open access: yesMeasurement: Sensors, 2021
This paper describes the process used by the Consultative Committee for Mass and Related Quantities - Working Group on Hardness (CCM-WGH) of the International Committee of Weights and Measures (CIPM) to develop international definitions of the ...
S. Low   +4 more
doaj   +1 more source

Influence of different polishing materials in the material removal of steel samples [PDF]

open access: yes, 2018
The quality of injection moulded polymer optic parts depends on the surface finish of the respective mould. In order to improve and control the surface finish of the mould it is important to be able to keep the material removal constant during the ...
Almeida, Rui   +3 more
core   +2 more sources

Mechanical properties of materials used for temporary fixed dentures – in vitro study

open access: yesCurrent Issues in Pharmacy and Medical Sciences, 2017
Objectives. The objective of the research was to define the mechanical properties of currently marketed temporary filling materials. Methods. Eight temporary filling materials: Boston, Dentalon, Protemp II, Revotek LC, Structure 2, Structure 3, UniFast ...
Celej-Piszcz Elzbieta   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy