Results 171 to 180 of about 12,396 (272)

Promotion of 211 MAX Phase Formation through Bismuth A‐Site Solid Solution in Ti2(Al1‐xBix)C

open access: yesSmall Structures, Volume 7, Issue 6, June 2026.
Bi incorporation in the Ti–Al–C system stabilizes the 211 MAX phase across a wide synthesis window, suppressing competing 312 formation. The resulting Ti2(Al1‐xBix)C enables robust and scalable production of phase‐pure 211 precursors, while preserving the structural and functional characteristics of derived MXenes, demonstrating a practical route to ...
Yiftach Kushnir   +11 more
wiley   +1 more source

Dentifrices for preventing erosive tooth wear: An in vitro comparative study

open access: yesEuropean Journal of Oral Sciences, Volume 134, Issue 3, June 2026.
Abstract Erosive tooth wear is a progressive condition that compromises enamel structure and requires preventive strategies. This in vitro study aimed to compare the protective effects of fluoride‐based dentifrices containing various bioactive agents on sound enamel subjected to simulated erosive–abrasive challenges.
Juliellen Luiz da Cunha   +6 more
wiley   +1 more source

The influence of pieces thickness on metallographic structure of welded joints

open access: yes, 2016
The main objective of this paper was to establish how the thickness of welded pieces influences the metallographic structure of welded joints. Thus were made a total of 6 samples, and from each sample were taken test specimens for metallographic analysis
D. Dobrotă   +7 more
core  

High Cycle Fatigue Properties of PM‐HIPed High‐Nitrogen Tool Steel: Effect of Surface Condition

open access: yesFatigue &Fracture of Engineering Materials &Structures, Volume 49, Issue 6, Page 2097-2115, June 2026.
ABSTRACT This study explores the impact of surface condition on high‐cycle fatigue performance of a high‐nitrogen martensitic tool steel manufactured through powder metallurgy and hot isostatic pressing. In near‐net manufacturing applications, acid‐leaching pickling treatment and/or machining is used as a post‐treatment to remove the powder container ...
Faezeh Javadzadeh Kalahroudi   +3 more
wiley   +1 more source

Microstructural Engineering of Sodium Potassium Niobate for Enhanced and Temperature‐Stable Electromechanical Response

open access: yesInternational Journal of Applied Ceramic Technology, Volume 23, Issue 3, June 2026.
This study investigates the synergistic effects of Ti‐doping and K5.4Cu1.3Ta10O29 (KCT) co‐modification on KNN ceramics to develop sustainable, lead‐free piezoelectrics. Co‐modification significantly enhances electromechanical coupling and the mechanical quality factor. The optimized KNN‐Ti‐KCT system achieves thermal stability comparable to commercial
Andraž Bradeško   +11 more
wiley   +1 more source

Quantitative Determination of Iron Redox State in Copper–Iron–Silicate Slags by Electron Probe Microanalysis

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 6, June 2026.
The manuscript presents a quantitative approach for determining iron oxidation state in multicomponent silicate oxide systems through direct oxygen measurement by EPMA. The study provides experimentally validated data obtained under controlled equilibrium conditions. The methodology is intended to offer a broadly applicable framework for studying redox
Roman Starykh   +3 more
wiley   +1 more source

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