Results 171 to 180 of about 43,857 (286)

Hydrogen-Dislocation Interactions at Cryogenic Temperatures: Serrated Yielding and Embrittlement Resistance in High-Strength Austenitic Alloys. [PDF]

open access: yesMaterials (Basel)
Damm N   +10 more
europepmc   +1 more source

Bio‐Based Polyurethanes: Mechanical Performance, Structure–Property Relationships, and Future Directions

open access: yesJournal of Polymer Science, Volume 64, Issue 9, Page 1860-1894, 1 May 2026.
This review examines bio‐based polyurethanes from renewable feedstocks, focusing on structure‐property relationships governing mechanical performance. It analyzes reinforcement strategies, benchmarks against petrochemical counterparts, and explores future directions, including non‐isocyanate routes and circular economy integration for sustainable high ...
Khaled Chawraba   +4 more
wiley   +1 more source

Compatibilization Mechanisms of Telechelic Polyethylene Reactive Additives in Polyethylene Terephthalate/Polyethylene Blends

open access: yesJournal of Polymer Science, Volume 64, Issue 9, Page 1948-1958, 1 May 2026.
A deeper understanding of reactive blend compatibilization using hydroxy telechelic polyethylene additives in blends of glycol‐modified polyethylene terephthalate and polyethylene is developed. Preformation of copolymer during reactive mixing is key for successful compatibilization of this system at lower mixing temperatures. ABSTRACT Imperfect sorting
Aristotle J. Zervoudakis   +4 more
wiley   +1 more source

Substitution of Ti by Nb in Maraging Steel: Effects on Strengthening Mechanisms and Crystallographic Behavior

open access: yessteel research international, Volume 97, Issue 5, Page 2672-2692, May 2026.
This work demonstrates that replacing Ti with Nb in maraging steel forms nanoscale Nb–Mo particles along boundaries, strengthening the alloy without relying on Ti phases. Heat‐treatment tuning promotes uniform crystal orientation and balanced grain boundaries, enabling strong yet ductile behavior.
Mohamad Masoumi   +14 more
wiley   +1 more source

Biomimetic Herb Patches with Adhesive Microarray Structures for Oral Ulcer Treatment

open access: yesSmall Structures, Volume 7, Issue 5, May 2026.
A gecko‐inspired microcolumnar patch based on okra gel is developed for oral ulcer treatment. Loaded with baicalin and menthol, the patch exhibits robust wet adhesion, sustained drug release, and excellent biocompatibility. It significantly reduces inflammation, promotes angiogenesis, and accelerates wound healing, offering a safe and effective natural
Wenjie Xu   +6 more
wiley   +1 more source

Unraveling the Mystery of Melt Migration in Migmatites: From Channeling Instability to Pattern Formation

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 5, May 2026.
Abstract Melt migration in partially molten rocks is commonly described by porous flow models controlled by the hydro‐mechanical compaction length, which effectively explains melt extraction at mid‐ocean ridges. However, this framework cannot account for the paradoxical accumulation of small melt fractions into rhythmic leucosome–melanosome bands in ...
Qingpei Sun   +3 more
wiley   +1 more source

Numerical Modeling of Hydrogen‐Assisted Cracking With Phase Field Regularized Cohesive Zone Model and Penalty‐Based Moving Hydrogen Boundary Condition

open access: yesFatigue &Fracture of Engineering Materials &Structures, Volume 49, Issue 5, Page 1824-1844, May 2026.
ABSTRACT The degradation of metallic materials due to hydrogen embrittlement (HE) poses critical challenges for structural reliability. Phase‐field models offer an energy‐based approach that does not require predefined crack paths and automatically determines crack initiation, growth, and coalescence.
Shaymaa Merheb   +7 more
wiley   +1 more source

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