Zobrazeno 1 - 10
of 910
pro vyhledávání: '"vickers microhardness"'
Autor:
K. V. Anitha, Rajkumar Krishnan
Publikováno v:
The Journal of Indian Prosthodontic Society, Vol 24, Iss 3, Pp 266-272 (2024)
Aim: Occurrence of denture stomatitis and prosthesis breakage are common problems faced by elderly people wearing removable dentures. To overcome this, several attempts are made to improve the denture material by addition of antimicrobials without co
Externí odkaz:
https://doaj.org/article/d733a33d82c943ce8647f778a2dc9b20
Publikováno v:
BMC Oral Health, Vol 24, Iss 1, Pp 1-15 (2024)
Abstract Background Recently, universal single-shade resin composites have become increasingly available in the dental market. The modification of their composition can have an inadvertent effect on their physical and surface properties, and subseque
Externí odkaz:
https://doaj.org/article/b0865aedc05442fea05b5da331cc96b6
Autor:
Andrés Goenaga-Villanueva, Edinson Bastos-Blandon, Lissette Casadiego-Miranda, Enrique Niebles-Nuñez, Hugo Gonzalez-Romero, Lina Leguizamón-Galindo, Andrea Muñoz-Mizuno
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 5, Pp 102687- (2024)
This study analyzed the impact of heat treatments on ASTM A131 ABS DH36 steel's microstructure and hardness behavior. In its initial state, we characterized the chemical composition, microstructure, tensile strength, and hardness. Several samples und
Externí odkaz:
https://doaj.org/article/8099529692994a97aa0238abc7a5e658
Autor:
Alexander Viloria-Estrada, David Mantilla-Nova, Daiver Alberto García-Salinas, Wilmar Barbosa, Claudia Constanza Palacio-Espinosa, Fidel Alfonso Romero-Toledo, Dario Yesid Peña-Ballesteros, Jorge Guillermo Díaz-Rodríguez
Publikováno v:
Revista UIS Ingenierías, Vol 23, Iss 1 (2024)
Shot peening (SP) is a surface cold hardening process used on metals to enhance life under cyclic stress. In this case, SP was applied to SAE5160H samples of steel quenched tempered in oil at 460 °C used for leaf springs. This study shows the residu
Externí odkaz:
https://doaj.org/article/f7456498d5734a5189fb969ddf777d56
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 3061-3070 (2023)
New Ti alloys are being developed to obtain materials with better properties for biomedical applications. In order to avoid complications caused for the presence of Al and V ions in the blood stream, novel alloys have been developed without these two
Externí odkaz:
https://doaj.org/article/857758f032de4a77847ba610bba47d07
Autor:
Shrutika Somani, Rajesh Shetty, Karan Bhargava, Abhilasha Bhawalkar, Tanaya Kumar, Pooja Newase, Gargi Sarode
Publikováno v:
Medical Journal of Dr. D.Y. Patil Vidyapeeth, Vol 16, Iss 5, Pp 665-669 (2023)
Aim: The aim of this study was to evaluate and compare the compressive strength, Vickers microhardness number, and wear resistance of amalgam (DPI), Filtek Z350 nanohybrid (3M ESPE), and Zirconomer (Shofu) restorative materials after 24 h and 3 month
Externí odkaz:
https://doaj.org/article/e2cfadf0e39b4550aebc5cf5a9be4931
Publikováno v:
Contemporary Clinical Dentistry, Vol 14, Iss 1, Pp 62-67 (2023)
Background: The aim of the study was to evaluate the remineralizing potential of prepared solutions of eggshell powder (ESP) and nano-hydroxyapatite (nHA) on the surface roughness and microhardness of bleached enamel. Materials and Methods: Fifty bov
Externí odkaz:
https://doaj.org/article/0408e58e83ec4428b0327085599f87b8
Publikováno v:
Dental Hypotheses, Vol 14, Iss 1, Pp 32-35 (2023)
Introduction: We aimed to examine the effect of amoxicillin and azithromycin suspensions on the microhardness of sliver-reinforced glass ionomer and nano-resin modified glass ionomer (GI). Method: Thirty discs (2 mm height x 4 mm diameter) of each ty
Externí odkaz:
https://doaj.org/article/270a91d1d19742909d855e35a84443eb
Publikováno v:
Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Vol 10, Iss 4, Pp 2107-2119 (2022)
Bu çalışmada Bi-2223 tozlar farklı peletizasyon basınç değerleri ile külçe formuna getirilmiş ardından külçeler 840ºC’de 36 saat tavlanmıştır. Basıncın Bi-2223 külçelerin yapısal, mekanik ve elektriksel özellikleri üzerine e
Externí odkaz:
https://doaj.org/article/4844492dece74cd8942b28fd5795c9f4
Publikováno v:
Journal of Functional Biomaterials, Vol 15, Iss 4, p 87 (2024)
This study investigates the viscoelastic deformation mechanisms of bone as a response to Vickers hardness indentation. We utilized advanced high-resolution scanning electron microscopy (SEM) to investigate a distinct deformation pattern that originat
Externí odkaz:
https://doaj.org/article/720353c7d2d74898950e14431ccef646