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Introduction SCC is one of the important factors leading to the damage of pipeline steel.
The VB program is a joint form based on visual component arrangement, and add code to specify the properties and methods of assembly.
Because the default properties and methods have been part of the definition of the components, so programmers do not write much code to complete a simple program.
Results and analysis Table 1 shows the mechanical performance index gained after the test of X70 pipeline steel specimen.
Fracture is flat, and it is because the specimen is affected by the tension of principal stress direction, as shown in Fig.2 (a).

The alloys’ designers then succeeded in optimizing the mechanical properties of these alloys.
It is the goal of this paper to define the evolution of the chemistry and mechanical properties of this class of alloys by focusing on the advantages and drawbacks resulting from these chemistry changes [5,6].
This is done by improving casting methods, chemical components and mechanical properties of the alloys that are utilized in the manufacturing of the rotor blades.
These factors allow for an optimal heat diffusion into the cold chamber within the Bridgman furnace.
Mechanical properties of conventionally cast, directionally solidified and single-crystal superalloys.

Vaidya [4-8] studied the mechanical properties of X-cor sandwich under impact loads and used the finite element method to simulate the impact process.
At home the research about X-cor sandwich began in 2003, Xu Tian[9] developed the study of molding process and basic mechanical properties of X-cor sandwich.
The resin regions are constraint weakening regions and their structures and ranges greatly affect the mechanical properties of X-cor sandwich.
The elastic properties of Z-pin are listed in Table 1.
Du: A study on mechanical properties of X-cor sandwich (MS., Northwest Polytechnical University, China 2007), p.20-29.

Introduction Graphene, the new star in the carbon family materials, has attracted much attention because of its extraordinary electronic transport properties, thermodynamic stability and mechanical stiffness [1].
The outstanding properties of graphene render it another promising material option for electronics applications, especially in field-effect transistors (FETs) and transparent electrode [2].
Choose of transition metal as growth substrate is also very important because it could largely affect the number of graphene layers and produced defects [6].
Besides that, accurately controlling growth time is another key factor to determine the number of graphene layers[14].
In this report, a comprehensive parametric study of the synthesis parameters (including different transition metal substrate and growth time) affecting the growth of graphene has been carried out by employing CVD with liquid as carbon resource precursor.

The fracture morphology of asphalt mixture has a better reflection for its mechanical characteristics.
Introduction Factors of internal composition and structure, micro defects, external loading and temperature all have an influence on the material fracture, which is also related to the loading history.
The asphalt mixture is a complex structure composite material, temperature, rock, asphalt, asphalt mastic and interface performance of asphalt and aggregate all can greatly affect the crack formation and extension in the process of open fork and deflection effect under the action of temperature and loading for the asphalt mixture, then influence its whole fracture properties[13-14].Asphalt mixture fracture are almost full of black bitumen membranes, which makes it difficult to do with sampling and rolling ,and the scanning electron microscope is also difficult to observe fracture morphology.
Scaling properties of cracks[J].
Exploration via electromagnetic radiation and fractographic methods of fracture properties induced by compression in glass-ceramic[J].

Introduction There is a growing attention in the production of nanometer size materials because of their unique properties, which apply in various industries.
The gas-like and liquid-like properties of supercritical fluids have been proposed attractive as larger diffusivities, which lead to higher rates of mass and heat transfer ([2] -[4]).
These super advance properties of SCF make it so applicable in the production of nanosized particles.
Several factors such as heating rate, temperature, and concentration of reactants are significantly affected the mixing during the process of nano-sized particle formation.
Other design factors and process parameters of mixer are proposed for future investigations.

The traditional methods of oil-gas separation such as vacuum method and mechanical oscillation method were unable to satisfy the requirements of transformer on-line monitoring; and the methods which were used commonly in recent years, like dynamic headspace separation, corrugated tube, carrier gas elution etc, have a high rate of gas-separation and have already been used in some on-line monitoring products.
Introduction Large transformer is one of the most important equipment in power industry, the reliable operation of transformer ensure the safety of electricity supply, and greatly affect national economic development and people's livelihood.
DGA can diagnose internal transformer fault regularly during the transformer operation, and will not be affected by external electromagnetic fields [4], is an effective technique which has been widely used to detect latent faults in transformer, and oil-gas permeability technology is just the important prerequisite and key technology to achieve the requirements of DGA.
After setting complete, the formed mixed hollow fiber membrane has its own structural features: the surface layer has good permselectivity which is very thin (about several tens of nanometers thick), so has improved the mixed hollow fiber membrane permeability on dissolved gas in transformer oil; the lower layer is support layer which is more than 100 microns thick, and there are many pores in moderate size on the lower layer, which make the mixed hollow fiber membrane has good mechanical properties and pressure resistance.
If the material is certain, the main factors to affect the separation performance are membrane thickness and permeation area of membrane.

From this study, it is noted that as the frictional factor, the angular velocity, the aspect ratio increase, the relative compression force decreases.
Tzou [12] used the SUPERFORM commercial software to explore the compression forming of double-layer bounded clad cylinder, the optimal experimental parameters to affect the uniform of double-layer bounded clad cylinder free surface of double-layer bounded clad cylinder can be obtained.
The elastic-plastic model is chosen and the material properties, such as Young’s modulus, Poisson’s ratio, density, are needed.
The upper die considers the frictional factor is 0.3; the lower die considers the frictional factor is 0.1.
Lee, Simulation optimization of FEM on the rotating compression of double-layer bounded clad cylinder with constant shear friction, The 25th National Conference on Mechanical Engineering The Chinese Society of Mechanical Engineers, (2008) November 21-22; Changhua, Taiwan

The MEMS/micro parts have together with the microscopic properties such as the scale of the cavities or the embedded voids, crystal plasticity, anisotropic behavior, grain size, and the macroscopic properties.
As the material thickness decreases to the same order of magnitude as grain size, the mechanical properties of the individual grains will dominate the properties of the material.
It could be predicted that anisotropic properties by applying grain boundary effect occurs.
Also the embedded voids and the cavities cause anisotropy in which these factors are neglected in the macroscopic level.
In future study, a study for anisotropic properties by these factors would be carried out.

In addition, the large bending moment and shear produced in the bottom section is also the major factor of failure for the anchor bolts.
The material properties are shown below: Young's modulus of 2.1×105MPa, Poisson's ratio of 0.3, and density of 7850kg/m 3.
In principle, the data should be in line with the three factors of seismic oscillation at the same time: seismic oscillation intensity, spectral characteristics and duration of seismic oscillation [4].
The shear and bending moment on the section at the bottom of the tower equipment are the important reference factors for seismic design and the time history data of each node is obtained from the time history post-processing of ANSYS.
Chen: The Application of A1SYS in Mechanical Equipment and Chemical (Second Edition) (China Water Power Press, Beijing 2007).