Results 61 to 70 of about 2,722,088 (386)

The Emerging 4D Printing of Shape‐Memory Thermomorphs for Self‐Adaptative Biomedical Implants

open access: yesAdvanced Functional Materials, EarlyView.
4D printing enables the creation of smart implants that adapt to changing conditions in the human body over time. At the core of this technology are shape‐memory thermomorphs (SMTMs). This review offers an in‐depth analysis of 4D printing with SMTMs, emphasizing the latest advancements in smart materials, stimuli, programming principles, and their ...
Aixiang Ding, Fang Tang, Eben Alsberg
wiley   +1 more source

Evaluation the Effect of Fiber Reinforcement Materials on Flexural Strength of Heat Cured Denture Based Resin Materials [PDF]

open access: yesAl-Rafidain Dental Journal
Aims: To assess the effect of fiber reinforcement materials on the flexural strength of heat-cured denture-based resin. Materials and Methods: A sample of heat-cured acrylic resin was created and divided into a control group (heat-cured with no fiber ...
Reem M. Arif   +2 more
doaj   +1 more source

Comparison of Porcelain Surface and Flexural Strength Obtained by Microwave and Conventional Oven Glazing [PDF]

open access: yes, 2009
Statement of problem. Although the superior qualities of microwave technology are common knowledge in the industry, effects of microwave glazing of dental ceramics have not been investigated. Purpose.
Brewer, Jane D.   +4 more
core   +1 more source

The relation between impact strength and flexural strength of dental materials

open access: yesJournal of the Mechanical Behavior of Biomedical Materials, 2021
The aim of this study was to investigate whether there is a relation between impact strength and flexural strength of different composite and ceramic materials used in dental restorations.The three-point-bending test was used to determine the flexural strength and flexural modulus, and the Dynstat impact test was used to determine the impact strength ...
Niek de Jager   +5 more
openaire   +4 more sources

Integration of Perovskite/Low‐Dimensional Material Heterostructures for Optoelectronics and Artificial Visual Systems

open access: yesAdvanced Functional Materials, EarlyView.
Heterojunctions combining halide perovskites with low‐dimensional materials enhance optoelectronic devices by enabling precise charge control and improving efficiency, stability, and speed. These synergies advance flexible electronics, wearable sensors, and neuromorphic computing, mimicking biological vision for real‐time image analysis and intelligent
Yu‐Jin Du   +11 more
wiley   +1 more source

Flexural strength of hydrogen plasma-treated polypropylene fiber-reinforced polymethyl methacrylate denture base material

open access: yesThe Journal of Indian Prosthodontic Society, 2018
Objectives: The present study aimed to evaluate flexural strength of hydrogen plasma-treated polypropylene fibers-reinforced polymethyl methacrylate (PMMA) polymer composite.
Merin Mathew   +2 more
doaj   +1 more source

Lightweight, high-strength, reinforced plastic tube-franging die [PDF]

open access: yes, 1970
Dies of a phenolic molding compound with chopped glass fibers as fill material possess a flexural strength of 20,000 psi and a compressive strength of 28,500 ...
Bush, S., Caseldine, H., Smith, R. H.
core   +1 more source

Flexural strength and hardness of direct and indirect composites [PDF]

open access: yesBrazilian Oral Research, 2009
The objective of this study was to evaluate the flexural strength (sigma f) and hardness (H) of direct and indirect composites, testing the hypotheses that direct resin composites produce higher sigma f and H values than indirect composites and that these properties are positively related.
Borba, Márcia   +2 more
openaire   +6 more sources

Effect of Nanodiamond Addition on Flexural Strength, Impact Strength, and Surface Roughness of PMMA Denture Base

open access: yesJournal of Prosthodontics, 2018
PURPOSE To assess the effect of addition of different concentrations of nanodiamonds (NDs) on flexural strength, impact strength, and surface roughness of heat-polymerized acrylic resin.
F. Al-Harbi   +6 more
semanticscholar   +1 more source

Metamaterial Adhesives‐Integrated Triboelectric Nanogenerators with Enhanced and Programmable Charge Generation and Adhesion

open access: yesAdvanced Functional Materials, EarlyView.
A metamaterial adhesive‐integrated triboelectric nanogenerator (MetaAdh‐TENG) that integrates nonlinear cuts and a TENG in a flexible adhesive film is presented. The MetaAdh‐TENG simultaneously provides enhanced charge generation and strong adhesion by controlling crack propagation during peeling.
Hee Jin Lee   +6 more
wiley   +1 more source

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