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Delamination in composites severely affects their mechanical properties leading to a significant rejection rate of parts after machining.
The mechanical properties of 0° ply (fiber direction oriented in the primary loading direction) are listed in Table 1.
The experiments to determine the mechanical properties of 0° ply were conducted at the Materials testing laboratory, Loughborough University, UK .The mechanical properties of the specimen were found comparable with those reported by Hallett et al [8] .
Table 1 Mechanical properties of 0° ply of M21/T700 CFRP laminate E11 E22=E33 ν12=ν13 G12= G13 G23 115 GPa 14 GPa 0.29 4 GPa 3.2 GPa 2.2.
The contact and friction parameters in simulations were based on a number of experimental factors such as cutting speed, feed rate, geometry and surface properties.

The creep properties of materials and finite element method Hongjiang Chen1,a 1Vocational technical college in Jiangxi Normal University of science and technology in china achenhongjiang2000@163.com Keywords： Creep temperature Finite element Abstract：Creep material forms are prevalent in many areas, but also directly affect the use of state and life system, how to analyze the creep properties of materials is crucial to the performance of the system.
This paper introduces the creep properties of materials under certain temperature factor equation and finite element method is used to analyze the. 1.
The significance and status of study on creep properties of materials Any material will creep to varying degrees in various environments, and has a significant impact on the security of modern industrial situation, especially in the petroleum, aerospace, chemical and mechanical transmission, so we must try to effectively control the creep properties of materials, thus to prevent and restrain effectively the.
From the thirty's of the last century, the people of creep properties of materials in different environments, is simulated and analyzed by experiment, the creep equation of many assumptions, and the creep constants of some commonly used materials related theoretical knowledge, but by the time the experimental equipment restricted and relatively weak, performance analysis of high temperature creep and relaxation the very limitations, can not be applied in a wide range of industrial production, to seventy or eighty years, considerable progress has been made in the research, model theory on creep has gradually become more systematic and standardized, although still not parameters form a standardized, but the study on creep properties later laid a good theory basis. 2.
Establishment of material creep equation 1) Nonlinear creep is caused mainly by the properties of the material, and that occur at a certain time and temperature conditions, therefore, the establishment of finite element calculation of creep problems, and the establishment of other nonlinear problems in finite element is different with temperature and time.

The composites were tested to study the physical, chemical and mechanical properties.
It was demonstrated that the increase of 5wt.% of coupling agent in the two types of polymers significantly improved the mechanical properties and adhesion between the phases but the increase in cork concentration decreased mechanical properties and crystallinity.
The CPCs with PP showed to have better mechanical properties, better aesthetic and internal structural quality, and easier processability than those with HDPE matrix.
Several factors may have led to this type of rheological behavior by the material such as molecular structure, weight and distribution of cork in the polymer.
The addition of coupling agent and the increase of the cork concentration significantly affected the properties of the composites, which was confirmed by the results of the mechanical tests and validated by SEM image analysis.

Rheological behavior, mechanical and thermal properties were characterized.
Nearly all the mechanical properties were found to be increased with the adding of POSS.
The fiber thermal and mechanical properties, however, can’t meet high demand for heavy vehicles.
The Effect of POSS on Fiber Thermal Properties.
The Effect of POSS on Fiber Mechanical Properties.

Meanwhile, the mechanical properties of membranes were researched.
The blend membranes possess much better permeability than pure PVDF membrane and fairly good the mechanical properties especially for the membrane made by PVDF: PPTA=6: 1.
The mechanical properties of the blend membrane.
Blend membranes can have better mechanical properties by adding an appropriate amount of PPTA.
When the weight radio of PVDF and PPTA was less than 4:1, the mechanical properties began to decrease.

The properties of produced composites include scorch time, cure time, torque and dielectric properties were characterised.
Some of the crucial factors that affect the cure time are thermal instability of sulphur linkages, the formation of sulphur linkages, and the addition of fillers [11].
Generally, factors such as high moisture content, low surface area, and high metal oxide content can reduce the cure time of the compounds [13].
Nakason, Ceramic/ natural rubber composites: Influence types of rubber and ceramic materials on curing, mechanical, morphological, and dielectric properties, J.
Yusuff, Mechanical and Electrical Properties of TiO2 Loaded Vulcanized Natural Rubber, Int.

The influence on the mechanical properties and synusia cluster refinement about β phase is analyzed.
This material may have better mechanical properties at high temperature, at the same time, the room temperature tensile ductility is good.
Research shows that, the various factors affecting the mechanical properties of TiAl based alloys, microstructure effect is the most important.
[7] Chen Yuyong, Kong Fantao, Han Jiecai．Influence of yttrium on microstructure Mechanical properties and deformabilily of Ti-43A1-9V alloy．Intermetallies, Vol. 13 (2005), p263-266
[10] Huang Boyun, Zhou Kechao.The Influence of TiAl Microstructure on the High Temperature Tensile Mechanical Properties at Room Temperature.

Introduction Functionally graded materials are inhomogeneous materials in which the material properties vary continuously in one or more directions.
It is assumed that the material properties depend one-dimensionally on y so that: { } { } )(,,,,,)(),(),(),(),(),( 000000 11 11 15 11 15 44 yf ecyyyyyeyc νµαε νµαε = (5) where f(y) is material property variation and the subscript 0 indicates the properties at y=0.
Applied mechanical load has a significant influence on intensity factor.
The electric and magnetic effects are not involved in obtaining stress intensity factors.
The stress, electric displacement and magnetic induction intensity factors are highly affected by the material nonhomogeneity parameters of the electro-magneto-mechanical properties.

Both the mixing time and the curing period can affect the electrical and mechanical properties of CF/CB reinforced concrete.
Both electrical and mechanical properties of CFRC with different contents of CF are studied.
Mechanical Properties and Resistivity Measurement.
These factors cause compressive strength decreasing.
(3) Both the mixing time and the curing period can affect the electrical and mechanical properties of CF/CB reinforced concrete.

The use of hybrid composite materials has increased due to their special mechanical and physical properties.
Introduction Carbon fibre reinforced plastics (CFRP) and Fibre metal laminates (FMLs)are often used in various applications of aircraft components and structures due to their high mechanical properties material.
Theinteraction effects and significant factors of cutting parameters on the surface qualitywas graphically described.
Table 1 Control Factors and their levels CFRP/Al2024 Burr Tool 6mm dia.
The purpose of this analysis is to investigate theinfluence and interaction of machining parameters significantly affecting the performance of thesurface quality.