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The spatial variation of the material composition results in a medium with varying elastic and physical properties and calls for investigation into the fracture of FGMs under different loading conditions.
As to the investigation into dynamic fracture properties of FGMs, there is very little attention paid on it.
The physical properties of these samples are obtained through mechanical and optical method.
As an alternative approach, the large scale functionally graded materials is formed to study the dynamic fracture properties.
Evaluation of mechanical properties of functionally graded materials.

Mechanical properties of fiber reinforced composites depend on the interfacial shear strength between the reinforced fiber and the matrix resin.
In particular, the interfacial shear strength (IFSS) between the reinforced fiber and the matrix is one of the most fundamental factors in evaluating mechanical properties and durability on the fiber reinforced composites [10].
In the study of interfacial properties for fibrous composites, most materials as the matrix resin are used to the epoxy resin [11-17].
It is hard to find the interfacial properties for rubber-modified epoxy resin system.
The material properties of the neat and the rubber-modified epoxy resins are shown in Table 2.

The degradation of the connection between shear studs and concrete is a complicated phenomenon that depends on many factors, including; interfacial properties, concrete crushing and steel yielding.
The influence of steel roughness and mechanical properties will be included.
Research has shown that the behaviour of materials, such as concrete, is strongly influenced by their material and geometric properties of components at the mesoscopic level.
Including these three phases and the steel section covers all the factors that contribute to bond response outlined by Daoud et al. (8).
Having the set up on both sides ensures that at least one gauge system will not be affected by this for each stud.

Introduction Pure Ti has been extensively used in orthopedic as metallic implant materials because of their excellent corrosion resistance, good mechanical properties, and certain biocompatibility [1].
However, to shorten the implant-tissue osseointegration time, the bone ingrowth properties and implant fixation behavior need to be further improved.
However, the high degradation rate of HA coating in biological environment can cause detrimental effect on adhesion properties, which can result in undesirable debris and even delamination, and eventually leads to failure of the implant [2].
It is well known that the true bonding strength of FHA coating is affected by many factors, such as the coating thickness and interlamellar cohesive strength of the coating, property of the glue employed, and roughness of the substrate surface.
Under the same processing parameters, the thickness, phase and residual stress within coating will be in the same level; therefore, surface roughness of the substrate will be the main factor to affect the bonding strength.

High thermal conductivity, along with good electrical and mechanical properties, makes aluminum nitride a very promising material for electronic packaging and substrates.
But the purity, particle size, particle size distribution, oxygen content and specific surface area of raw materials affect the sinterability and properties of AlN ceramics.
Although powder B and D were made by the same method, they have very different properties.
As the preparation process was same for the four samples, the purity, particle size and its distribution were the predominant factors that influenced the densification.
Thermal properties.

In geotechnical engineering there are several methods proposed the relationship between rock properties (the unconfined compressive strength) and the ultimate side shears resistance and base resistance.
Fig.1 Reduction factors, .
Fig. 2 Reduction factors, The second kind assumes a function with square root of the unconfined compressive strength multiplied by a constant factor (roughness factor).
Table 2 The values of the socket depth factor Depth of socket 0 1 2 3 5 7 Pile diameter 0.8 2.8 3.6 4.2 4.9 5.2 The factors affecting the unit side shear resistance and base resistance Roughness A numbers of researches have indicated the influence of roughness factor on the ultimate side shear resistance for drilled shafts socketed into rock.
The factors affecting the unit side shear resistance and base resistance were analyzed including roughness, cleanliness, length/diameter ratio of the socket, length of drilling time, angle of internal friction and the angle of dilation.

Despite PDMS’s great mechanical properties, PDMS possess relatively low dielectric permittivity compared to other elastomers.
Both fillers can affect the mechanical and electrical properties of DE.
This project studied the capability of bacterial cellulose (BC) to overcome the low permittivity of the PDMS without severely affecting other electro-mechanical properties of DE.
Many factors can affect the electrical breakdown of the elastomer such as the elastomer structure and the geometry [37], [38].
Introducing a high amount of hard filler does increase Young’s modulus linearly but the result can also affect by some factors such as inhomogeneous filler distribution in the polymer matrix.

Results from the constructed mechanical, mathematical model, and the ANSYS finite element model were compared.
According to these models, the key parameters affecting the beam vibration are identified to work out more accurate and effective structure optimization design and prediction.
Main features of the embroidery machine are of multi-inducing factor, multi-mechanism and high rotational speed.
It has shown that the constructed models are consistent with experiment results and the models and analysis methods are reasonable and feasible. key parameters affecting the beam vibration cover beam length, section dimension and section shape coefficient.
Programs Foundation of Ministry of Education of China(20103501110001) References [1] Chen Zhengming, Bai Hongjin, Zhan Jian and Chen Hongli: The Research on the Structure and Properties of the Multi-head Computerized Embroidery Machine.

UV irradiation determines relevant damages of the mechanical properties and morphological feature of the unfilled sample.
The durability in outdoor applications of nanocharged bulk materials or polymeric films obtained to be applied as coatings depends on different factors.
In fact, damage due to corrosion causes metal component failures with consequent loss in the performance of mechanical properties.
Carbon nanostructured forms based on graphene nanoparticles dispersed in epoxy resins are able to improve electrical, mechanical, adhesion and barrier properties [3, 14-16].
The changes in the local mechanical properties and surface morphological features of the nanocharged sample have been compared to those corresponding to the unfilled sample.

An analysis was performed by Plastic Insight, which is used for the determination of flow properties of thermoplastic materials.
A good knowledge of flow properties of these materials enables a very good starting position for the design of thermoplastic products made by the injection moulding technology [1,2].
Since the bulk temperature is related to such factors as viscosity, working pressure, post-pressure and cooling, it is better when bulk temperature is higher because it reduces the fill time and thus the working cycle is shortened.
Bulk temperature is a very important factor in injection moulding because it provides quality moulded parts and their properties.
Dulebová, The utilization of gamma radiation in the examination of mechanical properties of polymeric materials, Metalurgija. 51 (2012) 245-248