Results 11 to 20 of about 78,062 (293)
Dimensional effects on magnetic properties of Fe-Si steels due to laser and mechanical cutting [PDF]
, 2010 Microstructural deterioration near the cut line and presence of residual stresses both affect the magnetic properties of cut parts. In this paper, the differences between microstructural deterioration resulting from mechanical and laser cutting as well ...
Gomes de Araujo, Edgar +4 more
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Microhardness of bulk-fill composite materials
Acta Clinica Croatica, 2016 The aim of the study was to determine microhardness of high- and low-viscosity bulk-fill composite resins and compare it with conventional composite materials. Four materials of high-viscosity were tested, including three bulk-fills: QuiXfi l (QF), x-tra
Katarina Kelić +4 more
doaj +1 more source
Excimer laser treatment of ZE41 magnesium alloy for corrosion resistance and microhardness improvement [PDF]
, 2010 We would like to acknowledge the financial support of the ‘‘Conseil regional de PACA’’ and Protection des Metaux d’Arenc). The authors are grateful to PMA’s engineers Ms. E. Castellan, Ms. A. Gonthier and Mr. F.
AUTRIC, Michel +3 more
core +6 more sources
Advances in Materials Science and Engineering, 2018 In this paper, the stress distribution field in front of the crack tip was obtained by loading a modified WOL specimen using a bolt. Considering the relationship between microhardness and hydrogen content or internal stress in the metal, a model based on
Lei Gu +3 more
doaj +1 more source
Journal of Dentistry Indonesia, 2015 Thirty percent carbamide peroxide is widely used as in extra-coronal bleaching method. Its current effect on enamel (e.g. enamel microhardness) is still uncertain. In dentistry, fluoride is recommended to be applied in 60 seconds.
Inawati Muljadi +2 more
doaj +1 more source
BMC Oral Health, 2022 Background The aim of this study was to evaluate the protective effects of fluoride mouthwash on the surface micro-hardness of two types of CAD/CAM ceramics after exposure to acidic solutions.
Hamid Kermanshah +4 more
doaj +1 more source
Surface microhardening studies on steels after high feed milling [PDF]
, 2018 The paper deals with the impact of high-speed machining production methods on the integrity of component surfaces. One has to point out that cutting conditions during machining have a significant impact on the final properties of surface and subsurface ...
Petrů, Jana +3 more
core +1 more source
Soluble pozzolanic materials from coal bottom ash as cement replacement material [PDF]
, 2021 Nowadays, intensive research in production of highly reactive pozzolanic materials from industrial waste to replace cement is crucial. This action expected to increase industrial waste recycling rate and at the same time reduce extraction of non ...
Abd Wahab, Azrina +3 more
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Effect of Curing Time on Polymerization Rate of Bulk-Fill Composite Resins
Journal of Dental School, 2019 Objectives: The aim of this study was to compare polymerization depth of two bulk-fill and one conventional composite cured for different times. Methods: This in vitro experimental study was conducted on 54 composite samples (2×4×10mm) fabricated of ...
Zahra Jaberi Ansari +3 more
doaj +1 more source
Phase Composition and Defect Substructure of Strengthening Layer Surfaced on Low Alloyed Steel [PDF]
, 2018 The microstructure and microhardness distribution in surface of low carbon Hardox 450 steel coated with alloyed powder wires of different chemical compositions are studied.
Gromov, Victor E. +5 more
core +1 more source