Results 31 to 40 of about 2,164,777 (221)

An In Vitro Study on the Shear Bond Strength of Feldspathic Porcelain to Nickel Chromium Alloy and Cobalt Chromium Alloy after Various Surface Treatments

open access: yesInternational Journal of Dentistry, 2022
Background. To evaluate and compare the shear bond strength of feldspathic porcelain to four distinctively surface-treated Ni-Cr and Co-Cr alloys and to assess the impact of oxidation-heat treatment on porcelain to base metal alloy bond strength. Methods.
Vignesh Kamath   +11 more
doaj   +1 more source

Processing of advanced Al/SiC particulate metal matrix composites under intensive shearing – A novel rheo process [PDF]

open access: yes, 2008
Particulate Metal Matrix Composites (PMMCs) have attracted interest for application in numerous fields. The current processing methods often produce agglomerated particles in the ductile matrix and as a result these composites exhibit extremely low ...
Dhindaw, BK   +5 more
core   +6 more sources

The influence of metal substrates and porcelains on the shade of metal-ceramic complex: A spectrophotometric study

open access: yesIndian Journal of Dental Research, 2012
Background: The final esthetic outcome of a metal-ceramic restoration is influenced by several factors including the type of the underlying metal as well as the brand of the ceramic. Settings and Design: An in vitro study.
Kavitha Janardanan   +2 more
doaj   +1 more source

Obtaining uniform ceramic-like coatings on compact details made of metal alloys of the valve group by microarc oxidation in the internal cavities of the counter electrodes

open access: yesИзвестия высших учебных заведений. Поволжский регион:Технические науки, 2023
Background. The object of the study is ceramic-like coatings formed by microarc oxidation on details made of valve metal alloys. The subject of the study is the processes of formation of the structure and properties of ceramic-like coatings when they ...
O.E. Tchufistov   +3 more
doaj   +1 more source

Processing and Properties of Aluminum and Magnesium Based Composites Containing Amorphous Reinforcement: A Review

open access: yesMetals, 2015
This review deals with the processing and properties of novel lightweight metal matrix composites. Conventionally, hard and strong ceramic particles are used as reinforcement to fabricate metal matrix composites (MMCs).
Jayalakshmi Subramanian   +2 more
doaj   +1 more source

Effect of Recasted Material Addition on the Quality of Metal-Ceramic Bond: A Macro-, Micro-, and Nanostudy

open access: yesAdvances in Materials Science and Engineering, 2018
Using the recasted alloys in dental prosthetics could affect the quality of the metal-ceramic bond. However, scientists, alloys producers, and prosthetists are still of different opinions.
Karolina Beer–Lech   +4 more
doaj   +1 more source

Oxidation heat treatment affecting metal-ceramic bonding

open access: yesIndian Journal of Dental Research, 2011
Aim of the Study: There is dearth of literature regarding the effects of oxidation heat treatment (OHT) as surface pretreatments on bond strength of base metal alloys and porcelain.
Shraddha Rathi   +3 more
doaj   +1 more source

Wear of hard-on-hard hip prostheses: influence of head size, surgical position, material and function [PDF]

open access: yes, 2012
Edge loading in hip replacement bearings may occur due to rotational and translational mal-positioning. Rotational mal-positioning is easier to detect clinically which include steep inclination angle and excessive version/anteversion angles ...
Al-Hajjar, Mazen
core   +5 more sources

Laser surface modification of Ti alloys [PDF]

open access: yes, 2010
The laser surface engineering of titanium alloys has been developed over the past 30 years to produce a modified layer up to 1mm depth, thicker than alternative techniques.
Baker, T.N.
core   +3 more sources

Clinical Evaluation of Corrosion Resistance, Ion Release, and Biocompatibility of CoCr Alloy for Metal-Ceramic Restorations Produced by CAD/CAM Technologies

open access: yesDentistry Journal, 2023
Background. CAD/CAM technologies facilitate using powder CoCr alloys to produce metal-ceramic dental restorations. However, base alloys may induce oxidative stress in the oral cavity due to corrosion and ion release.
Zlatina Tomova   +6 more
doaj   +1 more source

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