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New 3-D Printing Method Creates Shape-Shifting Objects
3-D Printing Method Creates Shape-Shifting Objects
2017/4/27
A team of researchers from Georgia Institute of Technology and two other institutions has developed a new 3-D printing method to create objects that can permanently transform into a range of different...
Measuring Mechanical Properties of 3D Carbon/Carbon Composite Using Automated Grid Method
carbon carbon composites mechanical properties non-contact measurement method automated grid method Iosipescu shear test
2015/3/26
A precise measurement, which was based on the automated grid method, was developed to analyze the mechanical properties of a three-dimensional reinforced carbon/carbon composite under tensile and shea...
Controllable synthesis of hierarchical strontium molybdate sonochemical method
sonochemical hierarchical structure SrMoO4
2015/3/27
Large-scale chrysanthemum-like strontium molybdate (SrMoO4) with hierarchical structure has been successfully synthesized via a facile and fast ultrasound irradiation approach at room temperature. By ...
One step method to encapsulate nanocatalysts within Fe3O4 nanoreactors
Magnetic nanocomposites penetration Fe3O4 shell metal core the core material metal ions precursor metal core metal salt
2015/3/30
Here reported a facile approach to synthesize rattle type magnetic nanocomposite with a permeable Fe3O4 shell and noble metallic core. The core of yolk materials are controlled by varying the metallic...
An extended stress-based method for orientation angle optimization of laminated composite structures
Structural optimization Composites Laminates Orientation angle optimization
2012/2/28
Orientation optimization plays an important role in the lay-up design of composite structures. Earlier orientation optimization methods face the main problem of huge number of design variables. Recent...
Synthesis of monodisperse spherical core-shell SiO2-SrAl2Si2 O8:Eu2+ phosphors by hydrothermal homogeneous precipitation method
Synthesis monodisperse spherical
2010/10/12
Nanocrystalline SrAl2Si2 O8 :Eu2+ phosphor layers were coated on nonaggregated, monodisperse and spherical SiO2 particles using a hydrothermal homogeneous precipitation. After annealing at 1100 °C, co...
Micro-, submicro- and nano-Si3N4 – SiC composites sintered by the HPHT method
Nanomaterials Composites Mechanical properties
2010/1/11
The purpose of the presented work is to study the influence of different Si3N4 and SiC powders on mechanical properties of Si3N4–SiC composites, to obtain a hard and tough engineering material, especi...
Aluminium matrix composites fabricated by infiltration method
Composites Ceramic preforms Infiltration
2009/12/3
Purpose: The aim of this work is to examine the structure and properties of metal matrix composites obtained by infiltration method of porous ceramic preforms by liquid aluminium alloy.
Design/method...
Purpose: The subject of the work was to study the effect of the sintering temperature on the properties and structure of TiB2-Al composites.
Design/methodology/approach: TiB2-Al composites reinforced...
Active IR-thermography as a method of fiber content evaluation in carbon/epoxy composites
Non-destructive testing Thermography Fibre content
2009/12/2
Purpose: The primary purpose of the present work was to find relationships between achieved results of the
thermal non-destructive testing and the local fibre content in a carbon/epoxy composite mate...
A method for ultrasonic quality evaluation of glass/polyester composites
Non-destructive testing Ultrasonic wave velocity Glass/polyester composites
2009/12/1
Purpose: The aim of the present study was to find relationship between the ultrasonic wave velocity or
attenuation coefficient and the local fiber content in glass/polyester composites.
Design/metho...
Application of Taguchi method in the optimisation of filament winding of thermoplastic composites
Filament winding Thermoplastic composites Taguchi method’s
2009/12/1
Purpose: Purpose of this paper was to find the optimum parameters to produce Twintex® tubes by filament
winding.
Design/methodology/approach: Taguchi approach was used for this design. The exper...
A Screening Method for Hydrogen Storage Alloys
Combinatorial method hydrogen storage internal reaction Mg-Al Mg-Ni-Al Mg17Al12
2009/10/9
A screening method is described that can be used for rapid evaluation of metallic systems for their hydrogen storage potentials. The method makes use of a single sample of compacted elemental powder...
An Uncertainty Method for Moisture Concentration Assessment in Composite Material Plates T300/5208 under Hygrothermal Conditions Effects
Composite materials Hygrothermal behavior Aging Reliability analysis Environmental cyclic conditions
2009/9/30
Matrix polymer composite materials are increasingly required especially for high-performance applications.Sadly, these materials are subjected to degradation in a given environment. Indeed, the aromat...
Method of thermal derivative gradient analysis (TDGA)
Solidification Crystallization Thermal derivative gradient analysis
2011/4/1
In this work a concept of thermal analysis was shown, using for crystallization kinetics description the temperature derivatives after time and direction. Method of thermal derivative gradient analys...