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.; material science, engineering, chemistry, and physics) and real applications (i.e.; nanoelectronics, nanosensors, solar cell, medical tools and nano devices).
The high stiffness (i.e.; modulus is around TPa) of CNTs The coupled by low density, implies that NTs might be useful as fibers in strong, lightweight composite materials.
A., Eltaher, M., Agwa, & A., Kabeel, “Vibration Analysis of Material Size-Dependent CNTs Using Energy Equivalent Model”, Journal of Applied and Computational Mechanics, 4(2), (2018), 75-86
In Journal of Nano Research, 55, (2018), pp. 42-56
Rafiee, “Prediction of Young’s modulus of graphene sheets and carbon nanotubes using nanoscale continuum mechanics approach”,Materials & Design, 31(2), (2010), pp.790-795.

Therefore experimental and analytical researches were done to understand the mechanical behavior and wear resistance of these materials.
It is one of several definitions of hardness in material science.
Paulo Davim, Application of Taguchi techniques to study dry sliding wear behaviour of metal matrix composites, Materials and Design 28(2007) 1393-1398
Sahin, Optimization of testing parameters on the wear behaviour of metal matrix composites based on the Taguchi method, Materials Science and Engineering A. vol. 408, 2005, 1-8
Voigt, Dry sliding wear behavior of cast SiC- reinforced Al MMC Materials Science and Engineering. vol. 360, 2003, 116–125

Spraying of FRP strengthening method has many advantages, it can accelerate materials curing, make materials strengthened fast, and has a low cost for strengthening, it also has few construction processes, short period, and compact construction equipment, which can take fast repair and reinforcement for housing structure damaged by earthquake.
Journal of huazhong university of science and technology, 2011,39(9):102-107.
Journal of Beijing Polytechnic University, 2010, 36(8): 1069-1076.
Journal of Southeast University, 2010, 40(3): 559-564
Journal of Reinforced Plastics and Composites, 2008, 27(12): 1269-1286.

Materials and Methods All compressions stockings are produced with weft knitting technology.
Journal of sports sciences, 25(4) (2007) 413-415
The Journal of Strength & Conditioning Research (2019)
The Journal of Strength & Conditioning Research, 28(6) (2014) 1732-1738
Journal of sport rehabilitation, 26 (2017) 109-114

The material of the bumper cover is made by polypropylene (PP) with 17% talc filler; the material properties used in the simulation include elastic modulus= 1.462 GPa, density= 1010 kg/m3, and Poisson’s ratio=0.42.
Mizuno, Severity of vehicle bumper location in vehicle-to-pedestrian impact accidents, Forensic Science International, 212:1–3 (2011) 205-209
Wan Abas, Development process of new bumper beam for passenger car: A review, Materials & Design, 40 (2012) 304-313
Martorana, Alternative lightweight materials and component manufacturing technologies for vehicle frontal bumper beam, Composite Structures, 120 (2015) 483-495
Cichocki, Crash and safety assessment program for paratransit buses, International Journal of Impact Engineering, 36:2 (2009) 235-242

These critical restrictions make it considerable difficult to choose TPS materials.
Many different TPS materials have been designed to meet tough requirements.
References [1] Scotti, S.J., Clay, C. and Rezin, M., “Structures and Materials Technologies for Extreme Environments Applied to Reusable Launch Vehicles”.
Squire, “Thermostructural Analysis of X-34 Wing Leading-Edge Tile Thermal Protection System”, Journal of Spacecraft and Rockets, Vol. 36, No. 2, Mar-Apr 1999
[9] Blosser, M.L., Chen, R.R., Schmidt, I.H., Dorsey, J.T., Poteet, C.C. and Bird, R.K., “Advanced Metallic Thermal Protection System Development”, AIAA 40th Aerospace Sciences Meeting & Exhibit, AIAA Paper 2002-0504, Reno, NV, Jan. 2002 [10] Ng, W.H., Friedmann, P.P, Waas, A.M., “Thermomechanical Analysis of a Damaged Thermal Protection System”, AIAA Paper No. 2005-2301, 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Austin TX, Apr 2005 [11] Tong, P., and Pian, T.H.H., “On Convergence of the Finite Element Methods for Problems with Singularity,” International Journal of Solids and Structures, Vol. 9, Pg. 313-321, 1973

�d:glass laser Personal computer Clamping system Work table Coating Overlay Sample Fig.1 Schematic outline of the experimental procedure Materials.
It is well known that fatigue cracks mostly originate at the surface of materials, while a compressive surface layer will prevent crack opening and growth.
Pacheco：Applied Surface Science Vol.208-209(2003), p.194-198 [3] C.
Zhu: Journal of Materials Processing Technology Vol.139(2003), p. 273-276 [7] C.D.
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Journal of Spacecraft and Rockets, Vol. 32 (1995), p. 1006-1014
In: 44th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, 7-10 April 2003, Norfolk, Virginia, AIAA 2003-1977
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Journal of Astronautics, Vol. 32 (2011), p. 676-682

Materials and methods 2.1 Materials The liquors used in this study were the leach liquors from pressure leaching of a Chinese laterite.
Acknowledgements This work was financially supported by Teacher Growth Fund of Guangxi Normal University, Guangxi Natural Science Foundation (2012GXNSFAA053192) and National Natural Science Foundation of China (51264003).
International Journal of Mineral Processing Vol.77(2005),P. 53.

Foulds1 Department of Electrical Engineering, King Abdullah University of Science and Technology, Saudi Arabia Email: yiqiang.fan@kaust.edu.sa Keywords: Microlens, microlens array, polystyrene, Laser-induced bumps, Abstract.
Introduction The integration of optical microsystems and polymer material has recently attracted considerable interest.
This is due to the various selections of the polymer materials and the wide applications of the optical microsystems.
The material vaporization will be greatly enhanced if the power of the laser beam is too high (above 750 mW in our case), which will result in a depression profile instead of the bump profile.
Opt. 37, 627-631 (1998)  [8] B.S Rao and K.Matyjaszewski, "Preparation of pH sensors by covalent linkage of dye molecules to the surface of polystyrene optical fibers," Journal of Applied Polymer Science Volume 43, Issue 5, pages 925–928 (1991) [9] Yuanhao Liu, Daozhong Zhang and Qingbo Meng, "Subpicosecond optical switching in polystyrene opal," Appl.