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Versatile building blocks make structures with surprising mechanical properties（图）
机械性能 机器人 风力涡轮机
2020/11/18
Researchers at MIT’s Center for Bits and Atoms have created tiny building blocks that exhibit a variety of unique mechanical properties, such as the ability to produce a twisting motion when squeezed....
Stretchable polyurethane sponge reinforced magnetorheological material with enhanced mechanical properties
magnetorheological 3D network supporting polyurethane sponge
2015/2/3
A stretchable magnetorheological material (SMRM) consisting of micro-meter carbonyl iron (CI) particles, low cross-linking polyurethane (PU) polymer and porous PU sponge has been developed. Due to the...
MODELING THE INTERDEPENDENCE OF ELECTROCHEMICAL AND MECHANICAL PROPERTIES IN PER SULFONATE ACID PROTON EXCHANGE MEMBRANES
PEM fuel cell membrane Conductivity Measurement
2015/1/12
Proton exchange membrane fuel cells (PEMFC’s) offer an attractive alternative energy resource over traditional fossil fuels. The advantages such as high power density, relatively quick start-up, rapid...
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
2013/10/17
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 ...
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
2013/4/11
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...
Studies on Mechanical Properties, Thermal Degradation, and Combustion Behaviors of Poly(1,4-butylene terephthalate)/Glass Fiber/Cerium Hypophosphite Composites
Glass fiber reinforced polyethylene ethylene glycol ester phthalate composite materials flame retardant performance
2012/6/4
This work aims to develop glass-fiber reinforced poly(1,4-butylene terephthalate) (GRPBT) composites with enhanced mechanical, thermal stability, and flame retardancy properties using a novel compound...
Temperature-Dependent Mechanical Properties and Model of Magnetorheological Elastomers
Magnetorheological elastomers magnetic particles and iron particles soft rubber elastic modulus damping a magnetic field
2011/4/19
Magnetorheological elastomers (MREs) are composed of magnetizable particles (iron particles) and a soft rubberlike matrix. Their mechanical properties, including modulus and damping capability, depend...
Synthesis of nanoparticeles in ductile iron with small additions of vanadium and niobium and its mechanical properties
Ductile iron Mechanical properties Nanoparticles Vanadium
2011/3/11
It has been shown that the heat treatment of 1095oC/640 oC type of ferritic ductile iron with small addition of 0.08% vanadium permits to obtain of the rounded VC nanoparticles with an average size of...
Effect of Heat Input on the Microstructure and Mechanical Properties of 07MnCrMoVR Weld Joints
07MnCrMoVR heat input microstructure impact toughness
2011/2/23
As a new type of low cracking suscepbility high strength steel, 07MnCrMoVR steel has excellent weldability, with low carbon equivalent and cold cracking susceptibility coefficient. However, there are ...
Effect of Heat Input on the Microstructure and Mechanical Properties of 07MnCrMoVR Weld Joints
07MnCrMoVR heat input microstructure impact toughness
2011/1/4
As a new type of low cracking suscepbility high strength steel, 07MnCrMoVR steel has excellent weldability, with low carbon equivalent and cold cracking susceptibility coefficient. However, there are ...
High-performance hybrid magnetorheological materials: preparation and mechanical properties
Magnetorheological elastomers mechanical properties magnetorheological elastomers magnetorheological gel nonlinear dynamics
2010/11/9
To improve mechanical performance of magnetorheological elastomers (MREs), two novel hybrid magnetorheological elastomers that were embedded with magnetorheological fluids (MRFs) and magnetorheologica...
Thermal analysis, structure and mechanical properties of the MC MgAl3Zn1 cast alloy
Thermal analysis structure mechanical properties MC MgAl3Zn1 cast alloy
2010/6/12
The industrial output of magnesium alloys has been rising by almost 20% per annum over recent years, which is faster than that of any other metals [1]. Magnesium alloys are stiffer and more recyclable...
Computer simulation of mechanical properties of quenched and tempered steel specimen
Computer simulation mechanical properties quenched tempered steel specimen
2010/6/12
Mechanical properties, i.e., hardness, yield strength, toughness and fatigue properties are in relation with each other [1]. Hardness distribution in quenched steel specimen could be predicted by comp...
Application of artificial neural networks in modelling of quenched and tempered structural steels mechanical properties
artificial neural networks modelling quenched structural steels
2010/5/12
The material mechanical properties prediction possibility is valuable for manufacturers and design engineers. That is why over one year ago, in [1] modelling results of normalised
structural steels m...
Mechanical properties of ultra-fine grain titanium
Mechanical properties ultra-fine titanium
2010/5/12
It is required that a material for dental implants is bio compatible, it must not be toxic and it may not cause allergic reactions [1]. It must have high ultimate strength Rm and yield value Rp0,2 at ...