Results 21 to 30 of about 542,358 (362)

Effects of Mechanical and Chemical Pretreatments of Zirconia or Fiber Posts on Resin Cement Bonding.

open access: yesPLoS ONE, 2015
The bonding strength between resin cement and posts is important for post and core restorations. An important method of improving the bonding strength is the use of various surface pretreatments of the post. In this study, the surfaces of zirconia (fiber)
Rui Li   +5 more
doaj   +1 more source

Optimization of Alkali Activator on the Strength Properties of Fly Ash Based Geopolymer Repair Materials [PDF]

open access: yesArchives of Metallurgy and Materials
Flexible and rigid road pavement deteriorates over time and needs high-performance patching repair materials. Cold mix asphalt patching is an easy and inexpensive repair material to repair potholes and other damaged roads.
W.W.A. Zailani   +6 more
doaj   +1 more source

A numerical study on thermal bonding with preheating technique for polypropylene microfluidic device

open access: yese-Polymers, 2023
This study presents a method for producing microfluidic chips from polypropylene using a pre-heated bonding area and thermal bonding technology. ANSYS was utilized to investigate the effects of bonding parameters and microchannel deformation and predict ...
Almezgagi Esam Abdulrahman   +3 more
doaj   +1 more source

In situ SEM study on tensile fractured behavior of Al/steel laser welding-brazing interface

open access: yesMaterials & Design, 2022
Microcracks initiated and propagated behaviors in Al/steel interface determined interfacial bonding strength and this was observed by in situ scanning electron microscopy (SEM) technology.
Hongbo Xia   +8 more
doaj   +1 more source

Improvement of the Mechanical Properties of the Diffusion-Bonded 2024 Aluminum Alloy through Post-Weld Heat Treatments

open access: yesMetals, 2022
In this study, 2024 aluminum alloy was diffusion bonded to identify the effect of the bonding temperature, applied pressure, and heating time on the microstructure, hardness, and bonding strength.
Meng-Ting Chiang   +5 more
doaj   +1 more source

Construction of rugged, ultrastable optical assemblies with optical component alignment at the few microradian level [PDF]

open access: yes, 2013
A method for constructing quasimonolithic, precision-aligned optical assemblies is presented. Hydroxide-catalysis bonding is used, adapted to allow optimization of component fine alignment prior to the bond setting.
Fitzsimons, Ewan D.   +6 more
core   +1 more source

Effect of inhomogeneous plastic deformation on the interfacial microstructure and properties of titanium/stainless steel

open access: yesJournal of Materials Research and Technology, 2023
To solve the problem of low interfacial bonding strength caused by the violent reaction of the titanium/stainless steel interface, the corrugated rolling-flat rolling (CFR) process was used to introduce inhomogeneous plastic deformation, and the titanium/
Wenjing Wang   +3 more
doaj   +1 more source

Experimental Study on the Property and Mechanism of the Bonding Between Rubberized Concrete and Normal Concrete

open access: yesInternational Journal of Concrete Structures and Materials, 2022
Scholars have studied the impact of rubber particles (RPs) on the performance of the concrete and the research topics have covered all the mechanical properties and durability of normal concrete (NC).
Ling-Yun Feng, Ai-Jiu Chen, Han-Dong Liu
doaj   +1 more source

Enhanced strength without sacrificing ductility in FeCrMnVSix high entropy alloys via controlling the ratio of metallic to covalent bonding

open access: yesMaterials & Design, 2023
It has been the pursuit of materials science to enhance strength without sacrificing the ductility of a material. By introducing the semi-metallic Si into the FeCrMnV high-entropy alloy (HEA) to control the ratio of metallic and covalent bonding, we ...
Yanyan Liu   +6 more
doaj   +1 more source

Determination of the Effect of Surface Roughness on the Bonding Strength of Wooden Materials

open access: yesBioResources, 2017
The purpose of this study was to determine the effect of surface roughness on bonding strength in Oriental beech, cherry, Scots pine, and Taurus cedar woods.
Cevdet Sogutlu
doaj   +1 more source

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