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It has been accepted that compositions and microstructures significantly affected dielectric properties of materials.
Such properties can be enhanced through doping and microstructural control.
Dielectric properties, specifically dielectric constant and loss factor, of the sintered samples were evaluated by impedance analyzer (HewlettPackard, 16451B) at the frequency ranging from 1 to 1000 MHz.
Lopez, Mechanical Properties and Phases Derived from TiO2 Nanopowder Inoculation in Low Carbon Steel Matrix, Materials Transactions. 54(10) (2013) 1869-1876
Waser, Electronic properties of grain boundaries in SrTiO3 and BaTiO3 ceramics.

In this research work, 4 factors and 3 levels.
The mechanical properties of SCAAC mixes are compared with OPCC mixes.
Mechanical properties, shrinkage, and heat evolution of alkali activated fly ash concrete.
Mechanical properties of alkali-activated slag concrete mixed by seawater and sea sand.
Factors affecting the mechanical properties of alkali activated ground granulated blast furnace slag concrete.

Volume fraction of SiC can be effectively improved by using binary mixture particles with the diameter ratio of 11:1, through which the properties of substrate can be controlled effctively.
Meanwhile, density, structure, dimension change of the composites were discussed, and the effect of SiC content to on the mechanical and thermal properties of the composites were analysed.
Results and discussion 2.1 Relative density of SiCp/ZL101 composites substrate Relative density, as well as the content of SiC particles of composites , affect mainly various properties of the composites.
In this study the diameter of the double particles are respectively 220μm and 20μm, the ratio of which is 11 higher than critical value, therefore can effectively increase the volume fraction. 2.2 Dimension change of SiCp/ZL101 composites substrate Some researches[13] have shown that the dimensional accuracy of SiC performs is the vital factor for near-net-shape of composites, and affecting the dimensional accuracy of SiC performs have many factors, such as sintering temperature, content of porous-forming agent , so in this experiment these factors were taken into account, and dimension change for SiC performs before and after sintering and after infiltration of Al liquid were compared, and the results are given in table 2 below.
It can be seen above that affecting the size change of near-net-shape of SiCp/ZL101 composite substrate is the fabrication process of SiCp preforms, which can be controlled precisely by designing appropriate mould and establishing the sintering process. 2.3 Properties of SiCp/ZL101composites substrate Fig.6 Variation of bending strength and elastic modulus of composites with different volume fraction of SiC.

A mathematical modeling approach as well as experimental data analysis have made it possible to establish significant factors affecting the relative diameter of the axial porosity zone.
The improvement of the model obtained has enabled to establish that the axial porosity zone is primarily affected by the following factors: hot top size, slenderness ratio, the H/D ratio and insulation heat capacity.
All of the above methods reduce chemical and structural heterogeneity, provide a finer grain structure, improve the mechanical properties of the concast slab and rolled stock.
Light hatching indicates positive values of the factors; dark hatching corresponds to the negative values of the factors.
Results and Discussion Figure 1 shows that shrinkage cavity length is primarily affected by hot top volume, ingot geometry as well as insulation material properties.

Dependence of Thermal Conductivity of Carbon Black Filled Rubber on Several Factors SONG Jun-ping 1,a and MA Lian-xiang 2,b 1 Chinese and German College of Science and Technology, Qingdao University of Science and Technology, Qingdao 266061, China 2 College of Mechanical and Electrical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China a sjpwzj@163.com,b oldhorse@qust.edu.cn Keywords: carbon black filled rubber; carbon black; thermal conductivity; specific area; structure; temperature Abstract: Five kinds of carbon black filled natural rubber were prepared, and thermal conductivity was studied considering two factors, which include temperature and volume percent of the filler.
It was found that thermal conductivity had relevance to temperature and volume percent of carbon black, besides, structure and specific area of carbon black were also very important influencing factors.
Considering about that not so much samples need to be prepared, and the recipe is diverse, mechanical means was used here.
A reference thing, which is alike with the sample in size, thermal property, and surface condition, and of which the specific heat is known, is used here.
Specific area and structure of carbon black were found to be very important factors affecting thermal conductivity, the larger specific area was and the higher structure was, the better thermal conductivity was, and reuniting phenomenon of nano-level carbon black also had an influence on thermal conductivity.

Here, the different behaviors are only due to the differences in material properties at elevated temperature (Fig. 1).
These results show that, even when the same sections are used, the fire performance of members in HSC is inherently worse than for members in NSC, due to a more severe degradation of the mechanical properties at elevated temperature.
At the material level, HSC experiences a reduction of material properties with temperature that is more severe than for NSC.
These effects add to the differences in mechanical properties, all of which contribute to make the HSC columns more vulnerable to fire than NSC columns.
Carino, Review of Mechanical Properties of HSC at Elevated Temperature, J.

In this paper, the key influential factors of the structure of the drilling machine are found out, the structure is improved and two prioritization schemes are proposed.
The results show that the optimization improves the dynamic property and the machining precision of the drilling machine.
The main factors that influence the machining precision of the PCB NC drilling machine are: (1) The properties of drilling machine, such as dynamic characteristics, positioning accuracy and the dynamic accuracy and rigidity of spindle; (2) The factors of actual processing, such as process parameters, cutting tools, selection of tooling [1].
Furthermore, the added support of Structure 2 will affect the installation of the motor and screw, which will increase plenty of work.
Yang: Chinese Journal of Mechanical EngineeringVol. 2 (2008), p. 234-237 [3] X.F.

The experimental results showed that more accurate prediction on nugget size and mechanical properties of spot welds can be obtained by the models optimized.
The nugget geometry, which relates to the effective area to load, has an intimate relationship with mechanical properties [6].
Here, the index of tensile shear strength (Ft) was introduced to describe the mechanical properties of spot weld.
These effects are also disadvantageous to the quality of RSW because of the decreasing of effective area to load and mechanical properties of spot welds.
Then, the mechanical property of spot welds decreases with these effects.

Introduction Materials are heat-treated to enhance mechanical properties, such as mechanical strength, ductility and stress relief.
The sample drawn out of the tube furnace affects the thermo-fluid domain, which results in the loss of thermal properties, such as temperature and heat flux.
Thus, the factors influencing this loss of thermal properties should be investigated and optimized to save electrical power and improve the mechanical properties more efficiently.
The results show that wire motion influences the thermal properties significantly.
Milnes, Experimental parameters affecting the performance of the Purser furnace: a laboratory-scale experiment for a range of controlled real fire conditions, Polym Int 49: (2000) 1256 -1258

Mechanical properties.
Impact angle, velocity, abrasive particle size and mechanical properties are operating variables which affect the erosion process [6, 7].
Austenitic stainless steels have good mechanical properties, corrosion resistance and erosion resistance.
Depth of wear scar in µm Steel 13/4 steel (µm ) 23/8N steel (µm ) Impact angle 30o 90o 30o 90o Avg. depth 223 251 140 202 Mechanical properties are important factor to decide the erosion process.
Microstructure and mechanical properties plays important role in erosion process.