Hardness measurements for high-pressure prepared TaB and nano-TaC ceramics
The Vickers hardness of the bulk TaB and nano-TaC ceramics sintered at high pressure and high temperature were measured by using a diamond indentation method.
Haihua Chen +5 more
doaj +1 more source
Realization of High Efficiency and Low Damage Machining of Anisotropic KDP Crystal by Grinding [PDF]
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
Nano-indentation test is the most popular hardness testing method because it can correlate to other materials' mechanical properties and is used in a narrow area or for materials with plastic deformation resistance that Vickers hardness cannot represent.
Ammar Dawood Ghali Al-Rubaye +2 more
doaj +1 more source
Effect of indentation load and time on knoop and vickers microhardness tests for enamel and dentin
The aim of this study was to determine the effect of variations in indentation load and time on the Knoop and Vickers hardness numbers (KHN and VHN) for enamel and dentin.
Chanya Chuenarrom +2 more
doaj +1 more source
Relation between mechanical and textural properties of dense materials of tetragonal and cubic zirconia [PDF]
In the current paper we present a study of the sinterability of two zirconia (ZrO2) nanopowders with different content of yttrium oxide (Y2O3) 3 and 8 % tetragonal and cubic zirconia, respectively. After sintering between 900-1500ºC, the samples
Gómez Sofía +3 more
doaj +1 more source
Mechanical properties of materials used for temporary fixed dentures – in vitro study
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
Analisis Simulasi Hubungan Suhu Sintering Dengan Nilai Kekerasan Dan Kekuatan Patah Keramik Alumina
This research uses variable sintering temperature of 1300 0C, 1400 0C, 1500 0C and 1600 0C mixed with mullite additives 0%, 10%, 15%, 20% and 25%. As parameters of the study are the vickers hardness and bending strength.
Marnanda Seragih +2 more
doaj +1 more source
Addition to the methodology of research into permanent teeth hardness [PDF]
This paper examines permanent teeth hardness (microhardness) using the Vickers method. An original methodology was developed and adopted for preparing the experimental material, i.e.
Gnjato Sanja
doaj +1 more source
Chemical analysis and Vickers hardness of orthodontic mini-implants
Orthodontic mini-implants are used in clinical practice to provide efficient and aesthetically-pleasing anchorage. Aim: To evaluate the hardness (Vickers hardness) and chemical composition of miniimplant titanium alloys from five commercial brands ...
Christiane Cavalcante Feitoza +5 more
doaj +1 more source
PENGARUH PENGGUNAAN PASIR BALIKPAPAN TERHADAP KEKERASAN DAN FLUIDITAS LOGAM CORAN PADUAN Al-Si
The use of sand as a mold in the casting process is very common. In this study, Balikpapan sand used as casting sand then analyzed its effect on hardness and fluidity of the Al-Si alloy.
Sabdha Purna Yudha
doaj +1 more source

