Results 71 to 80 of about 510,054 (306)

Carbon nanotubes prepared in situ in a cellular ceramic by the gelcasting-foam method [PDF]

, 2003
The synthesis of carbon nanotubes from an oxide solid solution foam is reported for the first time. A foam of Mg0.9Co0.1Al2O4 solid solution is prepared by the gelcasting-foam method using notably mono- and di-functional acrylate monomers.
Laurent, Christophe, Peigney, Alain, Rousset, Abel, Rul, Sébastien   +3 more
core   +3 more sources

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Study on the Liquid‐Holding Rate Law of Gas–Water–Foam Three‐Phase Flow in a Wavy Pipe

Energy Science & Engineering
As a common method for liquid drainage in wave‐shaped pipelines, foam drainage has been used in gas‐gathering pipelines in various oil and gas fields.
Wang Wei, Wang Guowei, Wu Zhenhua, Yang Hui, Ma Bin, Wu Jian, Xu Longyu, Liao Ruiquan   +7 more
doaj   +1 more source

Sol–Gel Derived Polymer Precursors for Stereolithography of ZrC

Advanced Engineering Materials, EarlyView.
ZrC is a critical material target for extreme temperature conditions. This report describes a protocol for preparing ZrC ceramics via stereolithography and examines the impact of the polymer matrix on carbothermal reduction and mechanical stability of 3D printed ZrC.
Charles J. Rafalko, Evelyn Wang, Michael A. Hickner   +2 more
wiley   +1 more source

Microscopic Depictions of Vanishing Shampoo Foam Examined by Time-of-Flight Small-Angle Neutron Scattering

Quantum Beam Science, 2023
A novel surfactant of N–dodecanoyl–N–(2-hydroxyethyl)–β–alanine (coded as C12–EtOH–βAla) was synthesized by modifying the methyl group of N–dodecanoyl–N–methyl–β–alanine (coded as C12–Me–βAla).
Satoshi Koizumi, Yohei Noda, Takumi Inada, Tomoki Maeda, Shiho Yada, Tomokazu Yoshimura, Hiroshi Shimosegawa, Hiroya Fujita, Munehiro Yamada, Yukako Matsue   +9 more
doaj   +1 more source

Study of Foaming Properties and Effect of the Isomeric Distribution of Some Anionic Surfactants [PDF]

, 2008
Using different reaction conditions of photosulfochlorination of n-dodecane, two samples of anionic surfactants of sulfonate type are obtained. Their micellar behavior has been already reported and the relationship between their isomeric distribution and
Amel Tazerouti, D Myers, D Myers, GF Longman, H Azira, H Azira, Hakima Azira, Jean Paul Canselier, JI Kroschwitz, JM Rodríguez Patino, K Holmberg, K Holmberg, K Lunkenheimer, K Lunkenheimer, MJ Rosen, MJ Rosen, MJ Schick, N Assassi, N Assassi, P Goon, P Sosis, PS Piispanen, RJ Pugh, RS Powale, T Tamura, V Babak, W Spangler, X Domingo   +27 more
core   +1 more source

Engineered Mycelial Scaffolds With Tunable Ultraviolet Protection, Wettability, Thermal Stability, and Spatial Mechanics

Advanced Engineering Materials, EarlyView.
Fungal mycelia grown into biodegradable scaffolds and infused with titania nanoparticles show enhanced ultraviolet shielding, thermal protection, and surface nonwettability. Properties were tuned by drying methods, revealing structure–function relationships.
Juwon S. Afolayan, Xin Zhang, Carole C. Perry   +2 more
wiley   +1 more source

Friction Welding of Polycarbonate Plate and Aluminum Foam Fabricated by Precursor Foaming Process

Metals, 2023
Aluminum foam is expected to be one of the candidates for lightweight materials for structural components as it is lightweight and has excellent shock absorption and sound absorption properties.
Yoshihiko Hangai, Yuta Yamamoto, Yu Goto, Kenji Okada, Nobuhiro Yoshikawa   +4 more
doaj   +1 more source

Towards a spin foam model description of black hole entropy

, 2008
We propose a way to describe the origin of black hole entropy in the spin foam models of quantum gravity. This stimulates a new way to study the relation of spin foam models and loop quantum gravity.Comment: 5 pages, 1 ...
Corichi A, Domagala M, Freidel L, J Manuel García-Islas, Kloster S, Manuel Garcia-Islas J, Tamaki T, Tanaka T Tamaki T   +7 more
core   +1 more source

Dynamic flow phenomena in a foam application unit [PDF]

, 1988
If, during the operation of a foam application unit, a change in the foam production is introduced, the change in the flow becomes noticeable at the point of application onlyafter a certain response delay time.
Groot Wassink, J., Kroezen, A.B.J.
core   +2 more sources