37 Result(s)
within
**-**a Ding
Engineering
Characterization and Evaluation of Materials
Solid Mechanics
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Article
Development of viscoplastic constitutive equation through biaxial material testing
Internal-state variables have been used to represent the deformation historyin the recently proposed viscoplastic constitutive equations. In the current study, creep tests under nonproportional loadings were u...
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Article
Three-dimensional investigation of thick single-lap bolted joints
Stresses in single-lap bolted joints of thick plates are complex and difficult to analyze. Previous studies involving stresses through the thickness of bolted joints have been limited to finite element method ...
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Article
Modulus, Fracture Strength, and Brittle vs. Plastic Response of the Outer Shell of Arc-grown Multi-walled Carbon Nanotubes
The fracture strengths and elastic moduli of arc-grown multi-walled carbon nanotubes (MWCNTs) were measured by tensile loading inside of a scanning electron microscope (SEM). Eighteen tensile tests were perfor...
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Article
The energy reflection coefficient of electrorheological fluid with continuously changing acoustic impedance
The electrorheological fluid (ERF), among the complex fluids, is a kind of smart or intelligent material. At the presence of an external electric field, the dispersed particles in ERF suspensions can form orde...
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Article
Optimal design approach for eco-efficient machine tool bed
An optimal design approach of machine tool bed with the aim of obtaining an eco-efficient machine structure is studied. The suggested method includes three phases. The first is the layout design optimization o...
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Article
Study on the Cracking Process of Cement-Based Materials by AC Impedance Method and Ultrasonic Method
By using AC impedance spectroscopy (ACIS), this paper studied the changes of electrochemical parameters of cement paste mixed with fly ash (FA), ground blast furnace slag (GBFS) and silica fume (SF) during the...
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Article
A fractional derivative approach to full creep regions in salt rock
Based on the definition of the constant-viscosity Abel dashpot, a new creep element, referred to as the variable-viscosity Abel dashpot, is proposed to characterize damage growth in salt rock samples during cr...
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Reference Work Entry In depth
Plates of Variable Thickness
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Reference Work Entry In depth
Piezothermoelastic Problems: Dynamic Analyses
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Article
Open AccessCorrelation Between AC Core Loss and Surface Magnetic Barkhausen Noise in Electric Motor Steel
Core loss is a significant source of energy loss in electric motor steel laminates. Therefore, there is interest in monitoring the quality and consistency of laminates at various stages of manufacturing. The p...
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Article
Study of the rope nonlinear creep behaviors and its influencing factors in the assembly of sheave drives
From three aspects of the stress, temperature, and time, rope creep research is often carried out based on its own ontology without various operation conditions. Thus, it is difficult to accurately reflect its...
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Article
2-D elasticity solution of layered composite beams with viscoelastic interlayers
This paper focuses on the mechanical properties of layered composite beams with viscoelastic interlayers. The exact two-dimensional elasticity theory is used to represent the deformation of each beam layer. Th...
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Article
Characterizing Torsional Properties of Microwires Using an Automated Torsion Balance
In order to characterize the torsional behavior of microwires, an automated torsion tester is established based on the principle of torsion balance. The main challenges in develo** a torsion tester at small ...
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Article
Nondestructive Evaluation of Ductile to Brittle Transition Temperature for Martensitic Steels Based on Magnetic Measurements
Interest in magnetic nondestructive evaluation (NDE) methods for nuclear reactors materials to quantify material embrittlement and ensure reactor safety is increased. In this paper, ductile–brittle transition ...
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Article
Three-dimensional elasticity solution of layered plates with viscoelastic interlayers
An analytical solution for simply supported layered plates with viscoelastic interlayers under a transverse load is proposed. The deformation of each plate layer is described by the exact three-dimensional ela...
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Article
Static analysis of doubly curved film-substrate shells with thickness-dependent material properties
Based on Reissner’s mixed variational theorem (RMVT), we develop a weak-form formulation of finite doubly curved layer (FDCL) methods for the static analysis of simply-supported, multilayered functionally grad...
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Article
Effect of cementitious permanent formwork on moisture field of internal-cured concrete under drying
Drying shrinkage of concrete may still be the main source of cracking in concrete structures, even though the autogenous shrinkage of concrete can be effectively reduced by using internal curing. In the presen...
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Article
Time-dependent behavior of layered arches with viscoelastic interlayers
This work studies the time-dependent behavior of a layered arch adhesively bonded by viscoelastic interlayers. The deformation of the viscoelastic interlayer is represented by the Maxwell–Wiechert model. The c...
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Article
Optimization of material composition to minimize the thermal stresses induced in FGM plates with temperature-dependent material properties
A hybrid genetic algorithm with the complex method is developed for the optimization of the material composition of a multi-layered functionally graded material plate with temperature-dependent material proper...
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Article
An Improved Longitudinal Mode Guided Wave Received Sensor Based on Inverse Magnetostrictive Effect for Open End Pipes
The magnetostrictive guided wave technology is widely applied to inspect pipes. In the meantime, there are many open end pipes need to be tested rapidly. When we studied the lift-off effect of receiving longit...
