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In this articles we will develop a new in-situ residual stress detection method based on flexible hinges for thin-film materials, then described the detection principle theoretically and simulated its properties by FEA method.
Introduction The methods of thin-film materials growth or deposition include physical vapor deposition (PVD), chemical vapor deposition (CVD) and thermal oxidation [1].
Acknowledgements Support by National Natural Science Foundation of China (Grant No. 51175001), Education Department of Anhui Province Natural Science Research Program (Grant No.
Najafi, “Bent-Beam Strain Sensors,”[J], Journal of Micromechanical Systems, 1996, vol. 5, pp.52-58
Gianchandani, “Measurements of Material Properties Using Differential Capacitive Strain Sensors,”[J], Journal of Micro Electro Mechanical Systems, 2002, vol. 11, pp.489-498

With unique machining method, lesser cutting force and no thermal influence on target material, the AWJ has a wide range of machinable materials [1].
The impact pressure of waterjet is prone to cause crack in brittle materials because of the stress waves interference or distortion up to remove in plastic materials [8].
Hence, under the action of stagnancy layer, static pressure cracks will occur in brittle materials and plastic distortion will occur in plastic materials.
Under the action of contact stress, micro-cracks in brittle materials or irreversible deformations in plastic materials will occur on the bound of contact crater where contact stress reaches maximum.
Momber: Experimental Thermal and Fluid Science, Vol.25 (2001), pp.31-41

However their works concentrate on structural stiffness of wing structure on different wing materials and techniques to determine flutter.
Recently, even the low speed aircraft like Human Powered Aircraft (HPA) exhibit flutter with the usage of light weight and flexible materials [2].
From the tensile test conducted on the flat plate composite wing, the specimen possessed the behaviors of composite materials.
“Active flutter suppression in a 2-D airfoil using linear matrix inequalities techniques”, Journal of the Brazilian Society of Mechanical Science and Engineering Vol. 28, No. 1, 2003
[17] Mahzan, M.I., Muhamad S., Mat Ali M.S., Mansor M.S, “Wind Tunnel Testing of Composite Wing Flutter SpeedDue to Control Surface Excitation,” Applied Mechanics and Materials Journal, vol 315, pp 359-363, 2013

The ultrasonic cutting of composite materials has the advantages such as high processing efficiency, high precision and non-pollution.
In the whole ultrasonic cutting system, tool is used to directly cut materials, which make higher requirements to the research and manufacture of tool. 2.
The sharp circular tool, good technique effect and high processing efficiency meet the processing requirements of honeycomb-like interlayer composite materials. 6.
Journal of Aeronautial Materials，Vol.20, no.3, pp.172-177, 2002
[8] Guo Xingwang and Zou Jiaxiang, Circular saw blade vibration modal analysis, Journal of Vniversity of Science and Technology Beijing, Vol.15, no.6, pp624-629, 1993

Surface properties of materials have significant effect on the integrated performance of materials and are usually predominated by the architecture and chemical components of the outermost surface layer.
Experiments Materials.
It may account for that there are some materials move outward. 200nm Fig. 1 Particle size distribution graph Fig. 2 TEM images of emulsion (×100000) XPS analysis.
Synthesis of composite particles through emulsion polymerization based on silica/fluoroacrylate-siloxane using anionic reactive and nonionic surfactants, Journal of Colloid and Interface Science. 317 (2008) 62-69
Shi, Preparation and surface properties of the polysiloxane material modified with fluorocarbon side chains, European Polymer Journal. 44 (2008) 1696-1700

Xie: Journal of Aeronautical Materials, Vol. 27(2007), p. 6-9
Kerscher: International Journal of Fatigue, Vol. 64(2014), p.114-120
Parkins: Corrosion Science, Vol. 37(1995), p. 1705-1720
Akid, et al: Fatigue and Fracture of Engineering Materials and Structures, Vol. 19(1996), p. 427-439
Zhao: Journal of Nanjing University of Technology(Natural Science Edition), Vol.31(2009), p. 27-31.

Optimization of extractive condition of Zanthoxylum alatum seed Oil Zhang Lei1, a, Chang Min2 , Su Ming2 and Niu Sheng-yang1 1School of Food Science,Henan Institute of Science and Technology,Xinxiang,Henan,China 2School of Economics and Management,Henan Institute of Science and Technology,Xinxiang,Henan,China azhanglei7801@163.com Keywords: Zanthoxylum alatum;Zanthoxylum alatum seed oil;Extractive condition;Orthogonal experiment Abstract.
In this paper, Zanthoxylum alatum seed oil is extracted by solvent leaching formulation, and by single factor and orthogonal experiment analysis, to determine the optimum technological condition of the extraction for Zanthoxylum alatum seed oil. 2.Materials and methods 2.1 Materials Zanthoxylum alatum seed: picking prickly ash of the current year, remove shells. 2.2 Pretreatment of the raw material Choose clean and not cracking of Zanthoxylum alatum seed, first for drying, and then smash processing. 40 mesh screen smash was used in the test. 2.3 Optimization of Zanthoxylum alatum seed oil extraction methods This trial is tested by dipping extraction method for extracting, in order to determine the best extraction process conditions.
At 85℃ extraction ratio has declined, the reason is anhydrous alcohol as extractant, most extraction of prickly ash oil is low boiling point material, temperature’s rising can cause certain heat-sensitive material decomposition which in prickly ash oil.
Extraction of prickly ash seed oil and its utilization: submitted to Journal of Chinese oil (2006) [2] Zhuang Shihong, Li Menglou.
Chemical composition of the seed oil of Zanthoxylum alatum Roxb: submitted to Journal of Essential Oil Research(1998)

Moreover, the existent problems and possible resolutions based on the mechanisms of interactions between laser and materials was analyzed.
Different covering materials of unexposed and exposed JSR photoresist and polydimethylsiloxane (PDMS) were used.
[15] Zhu Lianyi, Liu Chong, Li Jingmin, “Bulge formation of PMMA during CO2 laser cutting of microfluidic chip”, Journal of functional materials and devices,2008, vol.14,pp.534-538
Zhu, “The formation and elimination of polymer bulges in CO2 laser microfabrication”, Journal of Materials Processing Technology,2009,vol.209,pp.4814-4821
Paulo Davim,Nuno Barricas, Marta Conceicao, Carlos Oliveira, “Some experimental studies on CO2 laser cutting quality of polymeric materials”, Journal of materials processing technology,2010, vol.198,pp.99-104

Theoretical analysis of fabric behaviour often becomes very complex, and experimental verification of theoretical predictions is more critical than the other materials [1].
There are four possible models[11,12] for the continuous fiber bundle, i.e., the general fiber bundle, orthotropic material, square-symmetric material, and transversely isotropic material.
Acknowledgement We thank the National Science Council for the financial aid to this study.
Prediction of on-axes elastic properties of plain weave fabric composites, Composite Science and Technology; Vol.45 (1992), p.135-152
The Geometry of Cloth Structure, Journal of Textile Institute 1937, 28, T45-96

Orthogonal tests are adopted in order to compare the cutting performance of the two materials.
We can see that the surface roughness of the two materials was worse at low cutting speed.
Fig. 3 Surface roughness of the two materials Tool Wear.
Through the contrast experiments, we observe the difference of machinability between the two materials.
Karnik: Journal of Materials Processing Technology, Vol. 205 (2008), p.16-23