Results 101 to 110 of about 34,137 (301)

A Dislocation Perspective on Strength and Toughness in Ceramics

Advanced Engineering Materials, EarlyView.
Dislocations in ceramics enjoy a long but yet under‐appreciated history. The three research waves for dislocations in ceramics highlight the topic evolution over the last 90 years. This review focuses on the impact of dislocation on strength and toughness in ceramics.
Xufei Fang
wiley   +1 more source

Avaliação do grau de microinfiltração marginal de restaurações classe II, tipo "slot", na junção amelocementária, em molares decíduos, restaurados com cimento de ionômero de vidro fotoativado e resina composta :: estudo in vitro / [PDF]

, 1999
Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da ...
Coelho, Leda Maria Sabarrós
core  

Evaluation of bioactive glass and hydroxyapatite crystals as pulpotomy agents in primary molars: A clinical study

Contemporary Pediatric Dentistry, 2020
Aim: To clinically and radiographically evaluate the potential of bioactive glass and hydroxyapatite crystals as pulpotomy agents in primary molars. Methods: A total of fifty teeth were selected from 25 children (14 boys and 11 girls) aged 4 to 9 years ...
Neeraja Govindaraj, Kinjal Shah, Priya Subramaniam, Megha Gupta   +3 more
doaj   +1 more source

Inverse Identification of Energy‐Dependent Laser Absorptivity in NiTi Laser Powder‐Bed Fusion via Calibrated Melt Pool Simulation

Advanced Engineering Materials, EarlyView.
A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi, Hadi Moutablaleh, Ignatius A. Setiawan, Mehrshad Mehrpouya   +3 more
wiley   +1 more source

Description of the root anatomy of the primary molars using high resolution computed microtomography (Micro-CT). An analysis of three-dimensional root canal system

Frontiers in Dental Medicine
Background/purposeThis study aimed to describe the root canal morphology of primary molars using Micro-CT and analyse the three-dimensional images of the internal root canal system.Material and methodsOne hundred and twenty extracted primary molars with ...
Benedetta Vidi, Benedetta Vidi, Ana María Gil-Valcarcel, Ana María Gil-Valcarcel, Cristina Obispo-Diaz, Isabel Sanchez-Jorge, Jesús Mena-Álvarez, Juan Manuel Aragoneses-Lamas, Cristina Rico-Romano   +8 more
doaj   +1 more source

Feasibility of Nitrogen as a Carrier Gas for Inconel Cold Spray in Hydropower Application

Advanced Engineering Materials, EarlyView.
N2, despite being nearly two orders of magnitude cheaper than He, is a feasible carrier gas for cold spray Inconel coatings in hydropower repair applications when higher gas temperature and pressure are used. Reducing powder size significantly improved cavitation resistance, while the addition of fine chromium carbide particles further enhanced erosion
Tianhao Wang, Mayur Pole, Tingkun Liu, Kenneth A. Ross, Christopher B. Smith   +4 more
wiley   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source

MicroCT study on the enamel mineral density of primary molars

, 2016
Aim The aim of this study is to report on the mineral density of the enamel of primary molars related to the age of the child and to compare the mineral density of sound and carious enamel in those molars.
ten Cate, J.M., van Ruijven, L.J., Veerkamp, J.S.J., Kalin, K., Elfrink, M.E.C.   +4 more
core  

Molar-incisor hypomineralization and hypomineralized second primary molars

, 2023
Purpose: The purpose of this study is to evaluate and compare the changes that occur in the morphology and crystalline structure of the superficial enamel of hypomineralized permanent and deciduous teeth. Materials and methods: 3 primary molars (1 healthy and 2 hypomineralized) and 4 permanent molars (1 healthy and 3 hypomineralized) went through a ...
openaire   +1 more source

Ferroelectricity in Antiferromagnetic Wurtzite Nitrides

Advanced Functional Materials, EarlyView.
We establish MnSiN2${\rm MnSiN}_2$ and MnGeN2${\rm MnGeN}_2$ as aristotypes of a new multiferroic wurtzite family that simultaneously exhibits ferroelectricity and antiferromagnetism with altermagnetic spin splitting. By strategically substituting alkaline‐earth metals, we predict new materials with coexisting switchable polarization, spin texture, and
Steven M. Baksa, Lin‐Ding Yuan, Stephen D. Wilson, James M. Rondinelli   +3 more
wiley   +1 more source