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The paper considers the influence of thermal and kinetic factors on the degree of plastic transformation of a particle.
To determine material properties under dynamic loading, a mathematical model obtained based on Taylor’s impact problem is used.
The conducted research works have shown that in addition to the particle velocity its plastic transformation degree is significantly influenced by parameters and , tightly coupled with particle heating temperature via mechanical properties of the material.
Thus, as temperature grows from 20° С to 1250° С, yield strength and strengthening parameter of the prayed-on material particle decrease by factors of over 15 and over 44 respectively, the value of parameter being decreased by factor of 2, which facilitates the transfer of the material from elastically deformed to plastic state, taking into consideration the inverse exponential relationship.
Theory and physical properties of colliding bodies, Moscow, Construction Literature Publishers, 1965

However, the experimental database is so limited that more profound understandings of the influences of the above factors are needed.
The parametric study of different factors is presented in the following section.
A group of scattered values was assigned for one of the above factors, while constant values were assigned for other factors, the shear capacity and shear failure modes were predicted for each scattered value of the specified factor using the corresponding FORTRAN code.
The variable factor was chosen in turn with the other factors remained constants, and the correlations of different factors and the shear capacity and shear failure modes are shown in Figure 2.
Mechanical Behavior and Non-linear Analysis of Short Beams Using Softened Truss and Direct Strut and Tie Models[J].

The process of particle impacting and contacting curved surface of vane was studied, and the characteristics of particle size, particle initial velocity and its impacting direction affect the stress of subsurface were analyzed by using ANSYS/LS-DANY software.
It is shown that the interaction between particles and surface of vane is affected by nonlinear factors such as the elasticplastic property of material, the state of impacting and contacting and surface shape.
Because abrasive wear occurs in micro contact region with the high stress and large deformation, and it has more complex mechanism and many influencing factors, at present, the research work on this problem is mainly based on summaries of experiments and expression of simple theory models[2].
LS-DANY is a multifunctional finite element calculation software with properties of geometric nonlinearities, material nonlinearities and interface nonlinearities such as separation between friction and contact[3].
Mechanical engineering journal.

FBG embedded in the 3D braided composite materials has not more effect mechanical property of materials.
In the internal structure of FBG into measurement, fiber grating is due to the effect of matrix and the yarn around, the actual measurement results will be affected by many factors.
(2) Experimental results show that the 3D braided composite material under tensile load with the internal strain and FBG change, have excellent sensing properties due to the FBG. .
(3) Implanted fiber to the mechanical properties of composite, so less influence on 3D braided composites state health monitoring provides a good basis.
REFERENCES [1] Wan Zhenkai .Acoustic emission analysis of the flexural and tensile properties of 3-D braided composite materials[J].Journal of Textile Research,2007,28(4):53-55

Regarding dangerous defects such as cracks and lack of fusion in the joint weld of conical head and tube of grid structures and presented problems in NDT, research on usability of the defective grid structure was carried out through theoretical computations and experimental tests of mechanical properties of defective welds with specification of Φ60×3.5mm.
Under these conditions, the relationship between critical J-integral JIC and the critical stress intensity factor KIC is as Eq.2[1]
Mechanical behavior tests of the specimens were carried out after welding.
It can be seen from the topography of the fracture (as shown in Fig 5 and Fig 6) that all the samples was broken at the Weld heat affected zone, and all the fractures initiated at the position of prefabricated defects.
(2) The tensile strength of the tube is less than that of weld, after initiating, cracks extended towards the parent material, and the specimens finally ruptured in the heat affected zone of the base metal.

As the test on tower is quite complex, and the factors affecting the tower behavior are more the experimental researches on the mechanical behavior of tower system were very few at home and abroad in the past.
Therefore, it is particularly important to analyze the mechanical behavior of tower by testing and provide pertinent references for the tower design [3].
The mechanical properties of steel are shown in Table 1.
Table 1 Mechanical properties of steel [N/mm2] Plate type and specification Yield strength fy Ultimate strength fu Elastic modulus Es Q345-B 5mm 403.7 511.9 1.94×105 6mm 450.5 543.3 1.84×105 Test device.
The hysteretic curve of this kind of tower presents anti-S shape, and the plastic deformation and energy dissipation capacity is poorer, so how to improve its mechanical performance is still studied.

As a complicated chemo-mechanical process influenced by a couple of factors, such as temperature, humidity, porosity of concrete, stress situation and curing time, the diffusion of chloride ion has become the first difficulty of the wide spectrum of problems involved in the degradation process of RC bridge.
Therefore, the impact on the diffusion process of these factors can be considered by modifying the evolutionary coefficient .
The evolution process is obviously affected by .
Effect of cracking on transport properties in concrete.
Test study on mechanical properties of corrosion of prestressed concrete structure.

Test of mechanical property.
Test of mechanical property.
As a composite material with the matrix of LDPE, this influence leads to a corresponding change of mechanical properties of Cu/LDPE composite.
The dispersion uniformity of copper in LDPE is another influence factor of mechanical properties.
The uniformity of copper would improve with decreasing of LDPE particle size, which also has influence on the mechanical properties of Cu/LDPE composites.

The mechanical properties and skin adhesion of the patches were determined by a texture analyzer.
Non-pharmacotherapy includes cleaning acne with neutral soap or avoiding stimulant factors such as facial scrub, facial massage, and also the use of cosmetics that affect the skin and sebaceous glands.
The physical properties, mechanical properties and drug release characteristic of the patches were investigated.
Results and Discussion Physical appearance and mechanical properties.
The mechanical properties of the patch are presented in Fig. 2.

Then, the affecting factors of gully erosion were discussed.
According to the mechanical equilibrium conditions, when the shearing force of driving debris flow motion equal to the kinetic resistance of debris flow, the erodible sediment on the gully bed should be in the critical state, so that Tq=Tz.
Then we can obtain calculation formula of the maximum erosion depth of gully bed: (6) From the Eq.6, we can deduce that the maximum erosion depth is dominated by properties of debris flow (γc or Cv1), scale of debris flow (h1), gully slope angle (θ) and properties of the erodible gully bed (C and φ).
The main effect factors analysis of viscous debris flow gully erosion The effect of debris flow depth on gully erosion.
Then, in this case, the relation between the flow depth of debris flow (h1) and the erosion depth (hs) is analyzed under the assumption of the same debris flow properties (γc or Cv1).