Results 61 to 70 of about 1,076,798 (336)

Controlled release from zein matrices: Interplay of drug hydrophobicity and pH [PDF]

open access: yes, 2015
Purpose: In earlier studies, the corn protein zein is found to be suitable as a sustained release agent, yet the range of drugs for which zein has been studied remains small.
A Katchalsky   +34 more
core   +2 more sources

Effects of Carbon Nanoparticles on Triboelectro‐Induced Surface Defects

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon nanoparticles added to grease modify the electrocontact behavior. The synergy of particle concentration and electric current dominates the surface damage of metals in contact. Electrical surface damage caused by current leakage is a critical challenge in high‐performance applications such as electric vehicle (EV) drivetrains and wind turbine ...
Mohsen Tajedini   +6 more
wiley   +1 more source

Zjemňování zrna protlačované hořčíkové slitiny AZ31 procesem Ecap [PDF]

open access: yes, 2017
Extruded Mg – 3%Al – 1% Zn (AZ31) magnesium alloy was subjected to ECAP (Equal Channel Angular Pressing) processing at 523 K (250 °C). At the processing temperature of 523 K, fine grains with the average grain size of 2 – 3 μm are formed as a result of ...
Hilšer, Ondřej   +3 more
core   +1 more source

Manufacturing Continuous Fiber‐Reinforced Printing Filaments: Development of a Post‐Consolidation Unit

open access: yesAdvanced Engineering Materials, EarlyView.
A novel, temperature‐controlled post‐consolidation unit is developed to test its potential to improve the melt impregnation process used to manufacture continuous fiber‐reinforced filaments for additive manufacturing of high‐performance thermoplastics.
Daniel Beermann   +2 more
wiley   +1 more source

Microstructure evolution and hot extrusion behavior of AZ31-Nd magnesium alloy adopting AZ31 chips and Mg-Nd chips

open access: yesResults in Physics, 2019
Hot extrusion is employed to fabricate an AZ31-Nd magnesium alloy adopting AZ31 chips and Mg-Nd intermediate alloy chips. The microstructure evolution and mechanical properties after different extrusion passes are studied, as well as the effect of ...
Dianjun Wang   +5 more
doaj   +1 more source

Extrusion - back to the future: using an established technique to reform automated chemical synthesis [PDF]

open access: yes, 2016
YesHerein, the benefits which extrusion can provide for the automated continuous synthesis of organic compounds are highlighted. Extrusion is a well-established technique that has a vital role in the manufacturing processes of polymers, pharmaceuticals ...
Crawford, Deborah E.
core   +2 more sources

Towards predicting the product quality in hot-melt extrusion: Small scale extrusion

open access: yesInternational Journal of Pharmaceutics: X, 2020
In product development, it is crucial to choose the appropriate drug manufacturing route accurately and timely and to ensure that the technique selected is suitable for achieving the desired product quality. Guided by the QbD principles, the pharmaceutical industry is currently transitioning from batch to continuous manufacturing.
Josip Matić   +6 more
openaire   +3 more sources

Unidirectional Tape‐Based Composites from Hemp and Pineapple Leaf Fiber: Mechanical Performance in Conventional and Bio‐Based Matrices

open access: yesAdvanced Engineering Materials, EarlyView.
The study investigates novel semi‐finished products made of unidirectionally arranged hemp or pineapple leaf fiber‐reinforced composites produced from different matrices. The materials are analyzed in terms of their mechanical and interfacial properties and void content.
Nina Graupner   +22 more
wiley   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

Hot Extrusion Processing of Al–Li Alloy Profiles and Related Issues: A Review

open access: yes, 2020
Al–Li alloy is a new structural material with the advantages of lightweight and high strength. The extrusion profiles of Al–Li alloy are widely used in aerospace and other fields, which can significantly reduce the weight of the aerospace equipment and ...
Yongxiao Wang, Guoqun Zhao
semanticscholar   +1 more source

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