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Facile preparation of bi-functional iron doped mesoporous materials and their application in the cycloaddition of CO2
Mesoporous material Cationic polymers Acid-base catalyst Cycloaddition reaction Cyclic carbonate
2023/6/19
Two kinds of bi-functional transition metal doped mesoporous materials (Fe-HMS and Fe-MCM-41) are prepared using one-step hydrothermal method and then treated with hydrochloric acid ethanol solution. ...
Silicon Carbide-Strengthened Magnetorheological Elastomer: Preparation and Mechanical Property
Silicon carbide magnetorheological elastomers viscoelastic properties of SiC particles magnetorheological effect
2015/3/24
A novel silicon carbide (SiC)-strengthened magnetorheological elastomers (MREs) was developed to enhance its viscoelastic performance. The influences of the size and weight content of the SiC particle...
Preparation, Characterization, Surface Modification and Applications of Siloxane Polymers
Pure sciences Crosslink Lithography Self-healing Silicone Siloxane polymers Surface modification
2014/11/21
This dissertation describes research carried out in the area of siloxane polymers, which refers to a group of polymers based on alternating silicon-oxygen backbones. The inexpensive starting materials...
Preparation and mechanical properties of the magnetorheological elastomer based on natural rubber/rosin glycerin hybrid matrix
Natural rubber magnetorheological elastomers rosin glyceride wettability CI particle dispersion matrix by rheometer measurements
2015/3/24
To improve the mechanical properties of the natural rubber based magnetorheological elastomers (MREs), rosin glycerin ester was added into the carrier matrix to enhance wettability and dispersibility ...
Preparation of porous Al2O3-Ti-C perform by combustion synthesis
preform combustion synthesis composite infiltration
2011/3/30
Using combustion synthesis porous ceramic preforms for composite reinforcing were produced. Prepared mixture of alumina Saffil fibres, Ti powder and graphite flakes, after drying were placed in wavegu...
Preparation of porous Al2O3-Ti-C perform by combustion synthesis
preform combustion synthesis composite infiltration
2011/3/30
Using combustion synthesis porous ceramic preforms for composite reinforcing were produced. Prepared mixture of alumina Saffil fibres, Ti powder and graphite flakes, after drying were placed in wavegu...
A high-performance magnetorheological material: preparation,characterization and magnetic-mechanic coupling properties
New high-performance magnetorheological materials magnetorheological plastic iron particle plastic polyurethane matrix
2015/3/30
A novel high-performance magnetorheological material, named as magnetorheological plastomer (MRP), was developed by dispersing iron particles into a plastic polyurethane (PU) matrix. The dynamic prope...
High-performance hybrid magnetorheological materials: preparation and mechanical properties
Magnetorheological elastomers mechanical properties magnetorheological elastomers magnetorheological gel nonlinear dynamics
2015/3/30
To improve mechanical performance of magnetorheological elastomers (MREs), two novel hybrid magnetorheological elastomers that were embedded with magnetorheological fluids (MRFs) and magnetorheologica...
Preparation of fine, uniform nitrogen- and sulfur-modified TiO2 nanoparticles from titania nanotubes
Preparation of fine uniform nitrogen sulfur-modified TiO2 nanoparticles titania nanotubes
2010/11/25
TiO2 nanoparticles modified with nitrogen and sulfur were prepared from titania nanotubes by a facile wet chemistry method. The samples synthesized with different thiourea/TiO2 ratios showed a uniform...
Preparation, structure and properties of Fe-based bulk metallic glasses
Preparation structure properties Fe-based bulk metallic glasses
2010/8/12
Since amorphous materials were prepared in the Au-Si system alloy in 1960 many scientific investigations have been done. These facts have been informed that amorphous alloys have new atomic configurat...
Preparation of novel bioactive nano-calcium phosphate–hydrogel composites
Preparation novel bioactive nano-calcium phosphate–hydrogel composites
2010/10/12
Nano-sized hydroxyapatite (nHA) and carbonate-substituted hydroxyapatite (nCHA) particles were incorporated into a poly-2-hydroxyethylmethacrylate/polycaprolactone (PHEMA/PCL) hydrogel at a filler con...
Modelling of non-symmetrical side-extrusion in preparation of steering knuckle preform
Numerical modelling Extrusion Die-forging Steering knuckle
2010/1/11
The conventional forging of steering knuckle makes many problems such as: creation of material defects, high force of process, low charge yield. The aim of research was optimization of preform shape f...
华南理工大学材料科学与工程导论课件Lecture 18 Polymer synthesis and preparation
华南理工大学 材料科学与工程导论 课件 Lecture 18 Polymer synthesis preparation
2009/12/7
华南理工大学材料科学与工程导论课件Lecture 18 Polymer synthesis and preparation。
Metallographic preparation of the conventional and new TBC layers
Metallic alloys Thin & thick coatings TBC
2009/12/3
Purpose: Verification of up-to-now used metallographic preparation of the TBC coating thermal barriers and adaptation of them to layers of new types, based on new ceramic compounds, sprayed on convent...
Preparation and characterization of highly electrically and thermally conductive polymeric nanocomposites
Nanocomposite EVA Graphite Thermal conductivity
2010/8/16
Polymer based nanocomposites are used more and more in the industry due to the fact that dispersing only small quantities of nanoscopic clay particles in polymer matrices enhances significantly therma...