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The structure and performance of PP membrane are affected by lots of factors especially nucleating agent which can change crystallization behavior of resin, improve the processing and application properties of product [1, 2].
The mechanical properties of the prepared membrane were measured by universal materials testing machine (Kexin, WDW3020, China).
Zhong, Nucleation characteristics of the α/β compounded nucleating agents and their influences on crystallization behavior and mechanical properties of isotactic polypropylene, J.
Xin, Influence of a novel β-nucleating agent on the structure, mechanical properties, and crystallization behavior of isotactic polypropylene, J.
Na, Vibration-induced change of crystal structure in isotactic polypropylene and its improved mechanical properties, J.

Microbending modulator normally consists of a pair of mechanical toothed plates with same cycle, while the sensing optical fibers are fixed in the middle of the toothed plates.
The height, number and pitch of the teeth of the deformer are the key factors which greatly affect sensitivity of the microbending optical fiber sensor.
Conclusion Experimental results show that the sensor has a good linear property.
Due to the limitation of bending level of a fiber, disturbance may occur when the fiber bending level comes close to the maximum degree, which is the reason that the measurement curves reveal the non-linear property afterwards.
Lu, Fiber Bragg Grating incorporated microbend sensor for simultaneous mechanical parameter and temperature measurement [J], IEEE Photonics Technology Letters, 2005 (12): 2697-2699

Therefore, by electrospinning, PVA become to be excellent mechanical properties nanofibers which has good spinnability and film-forming. [7]Polyethylene Glycol (PEG) is a thermoplastic polymer with perfect crystalline and good water-soluble.
The fiber diameter is also affected significantly by the change of spinning area.
(Fig.3; Fig.4; Fig.5) Applied voltage and collect distance may be affect some factors such as mass of polymer fed out from a tip of needle, elongation level of a jet by an electrical force, morphology of a jet (a single or multiple jets), etc.
(Fig.6) A balance among these factors may determine a final diameter of electrospun fibers.
Table1 Thermal properties of PVA/PEG composite nanofibers Polymer DSC ( OC ) ΔH (J/g) Tm Tm(on) Tm(end) Tc Tc(on) Tc(end) ΔHm ΔHc PEG/PVA=6:4 PEG2000:PEG4000 (w/w) 10:0 55.99 49.84 60.47 29.25 34.91 21.79 93.21 89.58 9:1 59.29 49.80 65.32 29.88 34.69 22.97 87.83 83.92 8:2 59.62 50.07 63.98 29.96 35.48 24.26 99.65 90.67 7:3 58.80 51.26 63.68 31.82 36.06 23.80 96.47 95.48 6:4 60.71 50.89 67.02 30.31 36.42 23.65 93.90 99.58 5:5 60.33 51.64 65.26 31.66 36.52 27.54 97.29 102.35 0:10 64.55 54.44 70.33 32.60 38.68 25.70 98.00 92.92 Conclusions In this study, effects of processing parameters for the polymer solution properties and processing condition on the morphology were studied.

Autoclave curing is a common practice to manufacture high temperature thermoset matrix composites in order to improve the mechanical properties of the final product.
Indeed, their enhanced physical and mechanical properties, in conjunction with the development of competitive manufacturing processes and design for manufacturing criteria, made PMC very attractive in several applicative sectors.
They can be trained to perform a particular function by adjusting the values of weight factors between the neurons, either from the information of outside the network or by the neurons themselves in response to the input.
It was mentioned that the final properties mainly rely on temperature history.
Improving of the mechanical properties of this composite is related to optimization of the temperature-time curve.

Introduction Fully-automatic hydraulic press is mainly used for pressing of ceramic tiles, and it is　one of the key mechanical equipments of ceramic wall and floor tiles production line.
The material of the upper beam is ZG270-500 engineering casting steel, and its characteristic coefficients and mechanical properties are as follows: mass density: 7800kg/m3; elastic modulus: 1.75e +11 Pa; Poisson's ratio: 0.32; yield limit: 270MPa; limit strength: 600MPa.
Appropriate constraint handling will directly affect the calculation results, so it must be as close as possible to the actual.
Specified and storied the node stress in ANSYS, and then given fatigue cycle number and the scale factor and events reference, we can obtain the final fatigue life analysis results.
Mechanical design and manufacturing,2007

There are many parameters that affect the stresses in the joints, including overlap length[2-3], properties of adherend and adhesive[4-5], and thickness of adhesive and adherend[6-7].
Physical and mechanical properties of composites was given in Table 1.
Table 1 Properties of adherend material.
Adherend Density Vf Mechanical properties Carbon/Epoxy 1.56 g/cm3 48±5 % E1=65 GPa E2=65 GPa XT=634 MPa YT=634 MPa S=55 MPa Table 2 Adhesives and their basic type.
The state of stress in the adhesive layer of lap joint is very complex, determined by many factors, including configuration of the joint, and properties of both adhesive and adherend.

Mechanical properties of 7075 are higher than other aluminium alloy systems [15].
The selection of a proper thixoforming temperature range which results an increment in mechanical properties and reduces defect deformation.
The previous studies concentrated merely on the aluminium silicon alloy which has advantage in the flow ability but lower in the mechanical properties compared with the aluminium 7075.
[5] Brabazon D, Browne DJ, Carr AJ, Mechanical stir casting of aluminium alloys from the mushy state: process, microstructure and mechanical properties, Materials Science and Engineering A (2002) A326, 370-381
Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, USA, 1992, Vol. 2

These vibrations can be caused e.g. by walking, jumping, or by mechanical movements, such as washing machines.
These factors affect negatively the human comfort of inhabitants.
The second model, named ‘Reduced 2D’ was also made from 2D shell elements, but the material properties were changed by reductions of stiffness and density.
Reduction factors were taken from documents by Cobiax corporation, the producer of hollow core slab systems [7].
Fig.1 Meshed part of ‘Hollow core slab 3D’ The first and the third models were made considering material properties of concrete, i.e.

To this end, in this paper, how coarse aggregate and fine aggregate affect the vibration liquefaction process and corresponding rules behind are discussed.
And human factors have larger influence on test results.
Because the features need to achieve liquefaction through vibration compaction construction technology, the VCA using match vibration method is more suitable for the research of RCC property.
The degree of association of the factors all levels of particle content of coarse aggregate that affect the VCA with uniform design experiment was calculated and analyzes the results by using Grey Relational Model.
Yang, Aggregate Type Material Mechanical Properties and The Vibration Liquefaction Mechanism of Roller Compacted Concrete, Concrete. 6 (2000) 47-49

Kurniawan1,c 1Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia 2Dept.of Mechanical Engineering, Universitas Jenderal Ahmad Yani, Cimahi-Bandung, Indonesia atrians65@yahoo.co.id, bizman@fkm.utm.my, cdenni@utm.my Keywords: Metal spinning; cold work; tube head Abstract.
The combination of parameters followed the preset design of experiment of the three factors (i.e., temperature, feed rate, and spinning speed) with two levels (i.e., low and high) for each factor.
Combination of factor and level in the spinning process Sample No.
Hardness and microstructure of the spinned tube head were similar to those of initial steel sheet, indicating inner parts of the wall were not affected by the cold spinning process.
Kang, Effect of spinning deformation on microstructure evolution and mechanical property of TA15 titanium alloy, Trans.