Results 41 to 50 of about 31,666 (162)

Study on the Test Conditions of Micro-hardness

open access: yesBulletin of JSME, 1964
Several experiments of micro-hardness have been performed on Al and Mg single crystal in order to clarify the effect of test conditions. The micro-hardness increased rapidly at first with the increasing of test load in the small load range, then decreased gradually and became finally independent of the test load.
openaire   +3 more sources

Comparison Study on Casein Phosphopeptide-Amorphous Calcium Phosphate Paste and Fluoride Gel on Remineralization of Demineralized Enamel Lesions

open access: yesJournal of Dental School, 2019
Objective: Tooth surface undergoes continuous remineralization and demineralization. The aim of this study was to compare the effect of Caseinphosphopeptide-amorphous calcium phosphate (CPP- ACP) paste and Fluoride gel on the microhardness of ...
Leila Pishehvar   +4 more
doaj   +1 more source

Investigating the Fracture Toughness and Mechanical Properties of the Two-Layer Al 1050/Mg AZ31B Sheets Fabricated by the Roll Bonding, Considering the Annealing Temperature Effect [PDF]

open access: yesIranian Journal of Materials Science and Engineering
This study presents the manufacturing of Al 1050/Mg AZ31B bimetallic sheets using the cool roll bonding process, followed by an investigation of the effect of annealing temperature on mechanical properties and microstructural features.
Payam Tayebi, ramin hashemi
doaj  

Influence of Different Temperatures on the Polymerization Pre- and Post-Cured of Various Resin Materials

open access: yesDentistry 3000
Objective: To evaluate and compered the effect of different temperatures (5°C, 37°C and room temp. ±23°C) pre- cured and post-cured for three universal- Chroma composite materials (Hybrid-Nano fillers, Supra-Nano, Nano filler) on the polymerization ...
Fanar Turki Al-Jadwaa   +2 more
doaj   +1 more source

Effect of Different Chemicals on the Micro-Hardness of Mineral Trioxide Aggregate – An In vitro Study

open access: yesIndian Journal of Dental Research
Aim: Mineral trioxide aggregate (MTA) is a dental biomaterial that is used for various endodontic treatments. However, the major limitation of MTA is its hardness and retrievability. The aim of this study is to evaluate the influence of various chemicals
Hannah Rosaline   +2 more
doaj   +1 more source

Study Of Diffusion Influence Materials Of Copper-Zinc-Steel On The Hardness And Micro Hardness Under Heat Treatment

open access: yesDiyala Journal of Engineering Sciences, 2019
Low melting metals like zinc used in this research to promote increasing of diffusion process with presence of pure powder of copper., this metals have good corrosion resistance in chemical and environmental conditions  by making thin film to hardening ...
Ali Adwan H
doaj   +1 more source

IMPROVEMENT HARDNESS AND MICROHARDNESS OF LOW ALLOY STELL BY USING MOLTEN METAL

open access: yesDiyala Journal of Engineering Sciences, 2015
We examined and study the characteristics properties of bainitic low alloy steel (30crmov9) obtained by used molten copper Instead what is customary in this process using molten salts .X-ray diffractometry (XRD)and optical microscopy (OM)were used to ...
Ali adwon H., Ali H.
doaj  

Effects of Warm Laser Peening on Thermal Stability and High Temperature Mechanical Properties of A356 Alloy

open access: yesMetals, 2016
To study the effects of warm laser peening (WLP) on the thermal stability and mechanical properties of A356 alloy, the samples were treated by WLP using a Nd:YAG solid-state laser and temperature control device.
Hansong Chen   +5 more
doaj   +1 more source

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