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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Babuska Problem in Composite Materials and its Application to Acoustic Resonators
复合材料 巴布斯卡问题 声学谐振器
2023/4/27
A long-standing area of material science has been the study of electrostatic and elastic fields in composite material. In high-contrast composites, when two adjacent inclusions are close to touching, ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars： Babuska Problem in Composite Materials and its Application to Acoustic Resonators
复合材料 巴布斯卡问题 声学谐振器
2023/5/15
A long-standing area of material science has been the study of electrostatic and elastic fields in composite material. In high-contrast composites, when two adjacent inclusions are close to touching, ...
Acting Like a Muscle,Nano-Sized Device Lifts 165 Times its Own Weight（图）
acting like a muscle nano-sized device lifts 165 times own weight
2017/9/19
Imagine repeatedly lifting 165 times your weight without breaking a sweat – a feat normally reserved for heroes like Spider-Man.Rutgers University-New Brunswick engineers have discovered a simple, eco...
The secret to a long-hidden magic trick behind the self-assembly of nanocrystal structures is starting to be revealed.The transformation of simple colloidal particles — bits of matter suspended in sol...
The National Science Foundation names engineering researcher Andrea Alù its Alan T. Waterman awardee for 2015
The National Science Foundation engineering researcher
2015/4/29
The National Science Foundation (NSF) has named Andrea Alù, an engineering professor at the University of Texas at Austin as the recipient of this year's Alan T. Waterman Award.Alù is a leading i...
A pendulum-like tuned vibration absorber and its application to multi-mode system
Pendulum-like ATVA Multi-mode system Vibration absorber Vibration attenuation effect
2015/3/27
This paper presents the design of a pendulum-like adaptive tuned vibration absorber (ATVA) and its application to a multi-mode system. The natural frequency of the pendulum-like ATVA can be adjusted i...
Active-adaptive Vibration Absorbers and Its Vibration Attenuation Performance
Vibration Absorbers Shift Frequency Range Damping Vibration Attenuation Effect
2015/3/26
To improve the working frequency band and the damping effect of vibration absorber, an active-adaptive vibration absorber (AAVA) was presented. The AAVA can be considered as the integration of adaptiv...
Facile synthesis of lanthanum hypophosphite and its application in glass-fiber reinforced polyamide 6 as a novel flame retardant
Development of flame retardant glass fibre polyamide composite materials mechanical properties thermal stability flame retardancy hypophosphorous acid lanthanum
2015/3/27
This work developed flame retarded glass fiber reinforced polyamide 6 (FR-GFPA) composites with excellent mechanical properties, thermal stability and flame retardancy using a novel flame retardant, l...
Creep and recovery behaviors of magnetorheological plastomer and its magnetic-dependent properties
Magnetorheological plastic body creep constant stress deformation mechanism the magnetic field
2015/3/27
The creep and recovery behaviors of magnetorheological plastomer (MRP) were systematically investigated to further understand its deformation mechanism under constant stress. The experimental results ...
Inverse neuro-fuzzy MR damper model and its application in vibration control of vehicle suspension system
MRdamper ANFIS inverse model semi-active control LQG control vehicle suspension
2015/3/30
In this paper, a magneto-rheological (MR) damper-based semi-active controller for vehicle suspension is developed. This system consists of a linear quadratic Gauss (LQG) controller as the system contr...
The design of an active-adaptive tuned vibration absorber based on magnetorheological elastomer and its vibration attenuation performance
Active - the adaptive tuned damper based on magnetorheological elastomers voice coil motor adjust the shock absorber activation
2015/3/30
This paper presents an active–adaptive tuned vibration absorber (AATVA) which is based on magnetorheological elastomer (MRE). A voice coil motor is attached to a conventional MRE adaptive tuned vibrat...
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...
Sonochemical synthesis and characterization of magnetic separable Fe3O4/Ag composites and its catalytic properties
Sonochemical Fe3O4 Ag composites Recyclable catalysts RhB
2015/3/30
A Fe3O4/Ag composite, with high efficiency in the degradation of rhodamine B was synthesized through a simple sonochemical method. These composites were obtained from sonication of Ag(NH3)2+ and (3-am...
Ferritic-austenitic steel and its weldability in large size constructions
Duplex steel Welding Microstructure Properties and Testing of welded joints
2009/12/14
Purpose: On the basis of sources and own experiments, the analysis of microstructure, properties, applications as well as material and technological problems of ferritic-austenitic steel welding were ...
The influence of the martensite α’ phase occurring in the structure of cold rolled austenitic Cr-Ni steel on its mechanical properties
Metallic alloys Austenitic stainless steel Plastic deformation
2009/12/3
Purpose: In this paper the mechanical properties and structure of cold rolled austenitic stainless steel X5CrNi18-8
with a draft of 17%-78% were presented.
Design/methodology/approach: The main meth...