Results 41 to 50 of about 88,362 (305)

Controllable fabrication and multifunctional applications of graphene/ceramic composites

open access: yesJournal of Advanced Ceramics, 2020
Graphene with excellent comprehensive properties has been considered as a promising filler to reinforce ceramics. While numerous studies have been devoted to the improvement of mechanical and electrical properties, incorporating graphene to ceramics also
Yujia Huang, Chunlei Wan
doaj   +1 more source

Fracture simulation for zirconia toughened alumina microstructure [PDF]

open access: yes, 2013
Purpose - The purpose of this paper is to describe finite element modelling for fracture and fatigue behaviour of zirconia toughened alumina microstructures. Design/methodology/approach - A two-dimensional finite element model is developed with an actual
Forest, Bernard   +2 more
core   +7 more sources

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

open access: yesAdvanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi   +3 more
wiley   +1 more source

KD-S SiCf/SiC composites with BN interface fabricated by polymer infiltration and pyrolysis process

open access: yesJournal of Advanced Ceramics, 2018
Continuous silicon carbide fiber reinforced silicon carbide matrix (SiCf/SiC) composites are attractive candidate materials for aerospace engine system and nuclear reactor system. In this paper, SiCf/SiC composites were fabricated by polymer infiltration
Honglei Wang   +6 more
doaj   +1 more source

Laser Powder Bed Fusion of Alumina: Effects of Scanning Strategies on External and Internal Defects

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates how scanning strategies affect pure alumina in laser powder bed fusion. Linear 45° scanning yields uniform surfaces but high porosity, while the island‐concentric strategy provides higher density with through‐holes favorable for infiltration. Findings highlight pathways toward optimizing defect‐free alumina parts.
Mohamed Abdelmoula   +7 more
wiley   +1 more source

Influence of MWCNT distribution in alumina prepared by colloidal processing for EDM applications [PDF]

open access: yesProcessing and Application of Ceramics
Ceramics are known for their high temperature stability, hardness, wear resistance and chemical inertness which make them an ideal choice in designing devices for extreme conditions. Machining of ceramics using conventional methods are ruled out owing to
Sachidananda T.G., Chandrashekar Adake
doaj   +1 more source

Analysis of whisker-toughened ceramic components: A design engineer's viewpoint [PDF]

open access: yes, 1989
The use of ceramics components in gas turbines, cutting tools, and heat exchangers has been limited by the relatively low flaw tolerance of monolithic ceramics. The development of whisker toughened ceramic composites offers the potential for considerable
Duffy, Stephen F.   +2 more
core   +2 more sources

High-temperature catalyst supports and ceramic membranes: Metastability and particle packing [PDF]

open access: yes, 1997
Parameters and/or processes responsible for the stability of catalyst supports and ceramic membranes are discussed. Two major parameters/processes were identified which are responsible for the stability of sol-gel derived nanostructured oxides at ...
Burggraaf, Anthonie J.   +5 more
core   +2 more sources

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera   +8 more
wiley   +1 more source

Piezoelectric properties of polyamide 11/NaNbO3nanowire composites [PDF]

open access: yes, 2012
Polyamide 11(PA 11)/sodium niobate nanowire (NW) 0–3 composites with different volume fractions of NWs were synthesized. The electric polarization (P) was measured as a function of the applied electric field (E).
Capsal, Jean-Fabien   +4 more
core   +4 more sources

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