Results 31 to 40 of about 10,227 (256)

Experimental Investigation of FGM Dental Implant Properties Made from Ti/HA Composite [PDF]

Mechanics of Advanced Composite Structures, 2017
Although titanium/hydroxyapatite composite is an attractive material for dental implants, it would be more useful if it could be produced as a functionally graded material (FGM).
Mohammad Sedighi, Narges Omidi, Amirhossein Jabbari   +2 more
doaj   +1 more source

Effect of CPP-ACPF, resin infiltration, and colloidal silica infiltration on surface microhardness of artificial white spot lesions in primary teeth: An in vitro study

Dental Research Journal, 2022
Background: Remineralizing agents such as fluoride and casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) are popular treatment choices for incipient enamel lesions. Recently introduced resin infiltration enhances the esthetics of teeth affected
Aranta Avinash Chindane, Anil T Patil, B Sandhyarani   +2 more
doaj   +1 more source

Features of the structural phase state of a weld produced by electron-beam welding in the submicrocrystalline grade 2 titanium alloy

MATEC Web of Conferences, 2018
This paper presents the results of structural studies for a welded joint of the Grade 2 titanium alloy in submicrocrystalline and microcrystalline states produced by electron beam welding when joining 2-mm-thick plates.
Kurgan Kirill, Klimenov Vasily, Klopotov Anatoly, Gnyusov Sergey, Abzaev Yuri, Potekaev Alexander, Marzol Mikhail   +6 more
doaj   +2 more sources

Effect of ultrasonic vibration on quality and properties of laser cladding EA4T steel

Cailiao gongcheng, 2019
The surface of EA4T steel was repaired by ultrasonic vibration assisted laser cladding.The influence of ultrasonic vibration on the forming quality, microstructure and phase composition of laser cladding of EA4T steel were compared and analyzed by ...
CHEN Lin, CHEN Wen-jing, HUANG Qiang, XIONG Zhong   +3 more
doaj   +1 more source

Evaluation of surface roughness and Vickers microhardness of various nano-herbal extracts on demineralized dentin and their bactericidal efficacy with 970-nm wavelength diode laser irradiation

Bulletin of the National Research Centre, 2021
Objective Was to evaluate effect of clove, turmeric and garlic nano-herbal extracts on surface roughness and microhardness of demineralized dentin, and their bactericidal effect on Streptococcus mutans and Streptococcus sobrinus with or without diode ...
Lamiaa M. Moharam, Doaa M. Sadony, Manal M. Adel, Karim Montasser   +3 more
doaj   +1 more source

Datasets on the measurement of mechanical properties of ferrite and austenite constitutive phases using nanoindentation and micro hardness techniques

Data in Brief, 2019
The major objective of this work is to study the hardness data at the domain of ferrite and Austenite phases. Nanoindentation and microhardness study has been conducted on austenite and ferrite present in the microstructure of hot rolled and heat treated
Ayorinde Tayo Olanipekun, Maledi Nthabiseng, Olusoji Oluremi Ayodele, M.R. Mphahlele, Bob Mpinda Mampuya, Peter Apata Olubambi   +5 more
doaj   +1 more source

Effect of Process Variables on Friction Stirred Microstructure and Surface Hardness of AZ31 Magnesium Alloy [PDF]

Archives of Metallurgy and Materials, 2019
Effects of various friction stir processing (FSP) variables on the microstructural evolution and microhardness of the AZ31 magnesium alloy were investigated.
Jae-Yeon Kim, Jung-Woo Hwang, Seung-Mi Lee, Chang-Young Hyun, Ik-Keun Park, Jai-Won Byeon   +5 more
doaj   +1 more source

Microhardness distribution of the tibial diaphysis and test site selection for reference point indentation technique

Medicine, 2019
Abstract Indentation hardness test is a good in vitro method of bone quality assessment. The purpose of this study is to explore the distribution characteristics of bone tissue microhardness in tibial diaphysis and provide theoretical support for the test site selection of the reference point indentation technique ...
Wang, Jianzhao, Yin, Bing, Liu, Guobin, Li, Sheng, Zhang, Xiaojuan, Hu, Zusheng, Wu, Weiwei, Zhang, Yingze   +7 more
openaire   +2 more sources

Regulations of local deformation strengthening of tubular products made of structural steel during the formation of grooves by cold plastic deformation

Технічна інженерія
The work is devoted to the study of the formation of stress concentrators on the inner surfaces of "tube"-type parts, the main function of which is to ensure the minimum consumption of fracture energy under the influence of tensile loads.
S.Ye. Sheykin, S.F. Studenets, I.Yu. Rostotskyi, V.V. Melnychenko, Y.V. Melnychenko   +4 more
doaj   +1 more source

Automated Laser Welding of AISI 304 Stainless Steel by Disk Laser [PDF]

Archives of Metallurgy and Materials, 2018
The automated laser welding process of 2.0 mm thick sheets of AISI 304 stainless steel was investigated. The disk laser with a beam spot diameter of 200 μm was used for bead-on-plate and next for autogenous butt joints welding.
A. Lisiecki, A. Kurc-Lisiecka
doaj   +1 more source