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The bumper beam of a transport vehicle conventionally is commonly made from thin-walled materials with a shallow curved profile, with either opened or closed cross sections.
Mild steel, commonly used for energy absorption devices, was chosen as the material.
Reid: Multiaxial Softening Hinge Model for Tubular Vehicle Roll-over Protective Structures, International Journal of Mechanical Sciences, Vol. 43(2001), p. 2147-2170
Kecman: Bending Collapse of Rectangular and Square Section Tubes, International Journal of Mechanical Sciences, Vol. 25(1983), p. 623-636
Cole: Self-Locking Bi-Stable Deployable Booms, 47th AIAA/ASME/ ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Newport, Rhode Island (2006)

So TiO2 microfibers is a kind of promising photocatalytic materials.
Shiying Zhang et al.[14] first prepared TiO2 powder using tetrabutyltitanate as precursor materials by sol-miniemulsion-gel method, and then abtained TiO2 microfibers by reflux of TiO2 powder in NaOH solution.
H.; Wang, J. and Zhou, Y.: Material Science & Technology 7(1999), p. 64 [11] Zhang, T.
Balkus Jr.: Microporous and Mesoporous Materials 69(2004), p. 77 [14] Zhang Shiying, Chen Zhenhua, Li Yunlong, Wang Qun, Wan Long and You Yang: Materials Chemistry and Physics 107(2008), p. 1 [15] Ma kai: (Qing hai Institute of Salt Lakes) Chinese Academy of Science, A Dissertation Submitted for Master of science (2005), p. 1 [16] Huang Xiangping, Pan Chunxu: Journal of Crystal Growth 306(2007), p.117 [17] M.
Tremel: Langmuir 22(2006), p. 5209 [18] Li Yuanzhi; Fan Yining; Chen Yi.: Journal of Materials Chemistry 12(2002), p. 1387

Journal of Korea concrete institute.
Journal of Korea concrete institute.
Journal of Korea concrete institute.
Journal of South-west University of Science and Technology.
International Journal of Concrete structures and material, Vol.2, No.1, (2008), p.63.

Fig. 3 Mechanical model of inertial rotary vibrating screen The nonlinear force of materials in Z direction is .It equals to zero when the materials are thrown off; it turns into when the materials move with machine body together.
The nonlinear torque of materials around Z axis is .
It equals to zero when the materials are thrown off; it turns into when the materials move with machine body together.
Zhao: Theory and techniques of vibrating machinery and their applications, China Science Press, Beijing, 2010
Wen: Dynamic analysis on vibration conveyor with large inclination considering material forces, Journal of Northeastern University, 3 (1996) 315~318

In case of industrially produced insulating materials (for instance using thermal connection method) the insulating materials based on natural fibres showed comparable properties with industrially produced insulating materials on building markets.
At present there are several types of industrially produced insulating materials on the market with building materials.
These materials are bound mainly by thermal binding with bi-component fibres.
Journal of Wood Science, Volume 50, Issue 1, p. 62-67.
Bednar: Developing a model for fibrous building materials.

Introduction Constructing highly ordered structures in materials at the nano/microscale levels is of great importance in modern science and technology.
Annual Review of Materials Science, 1998, 28:153
Advanced Materials, 2010, 22:3588
Journal of Materials in Civil Engineering, 2012, 25:365
Journal of Materials in Civil Engineering, 2012, 25:548

Materials and Method Materials.
The material used in simulating wastewater was D-(+) glucose.
Pola, Photodegradation of organic dyes and industrial wastewater in the presence of layer-type perovskite materials under visible light irradiation, Journal of Environmental Chemical Engineering, 6 (2018) 4504-4513
Abu Hassan, Performance investigation on a new design for progressive freeze concentration system, Journal of Applied Sciences, 9 (2009) 3171-3175
Abu Hassan, , Performance investigation on a new design for progressive freeze concentration system, Journal of Applied Sciences, 9 (2009) 3171-3175

UAD is an advanced drilling technique, especially beneficial for brittle materials.
This suggests that under ultrasonic excitation brittle materials tend to demonstrate behaviour similar to that observed in machining of ductile material.
Silberschmidt: Accpeted manuscrip in Computational Materials Science (2011) [4] Z.H.
Hsu: Journal of Materials Processing Technology Vol. 48 (1995), p. 255 [12] X.
Tao: Journal of Materials Processing Technology Vol. 148 (2004), p. 239 [13] V.I.

For metal matrix composites (MMCs) production, Al based matrix materials is noted to be the cheapest among other common metallic matrix materials.
Schultz, Synthesis of A356 Al–high-Ca fly ash composites by pressure infiltration technique and their characterization, Journal of Materials Science, 47 (2012) 4042-4052
Kok, Production and mechanical properties of Al2O3 particle-reinforced 2024 aluminium alloy composites, Journal of Materials Processing Technology, 161 (2005) 381-387
Rao, Mechanical properties of Aluminum-Copper(p) composite metallic materials, Journal of Applied Research and Technology, 14 (2016) 293-299
Onõro, Creep behavior study at 500°C of laser nitrided Ti-6Al-4V alloy, Journal of Materials Research and Technology, 2 (2013) 48-51

For machining ultra smooth surface, we have to remove material at atomic level.
The volume of removed material should depend linearly on the processing time to obtain steady material removal.
Acknowledgments The study is supported by National Natural Science Foundation of China (50375040), National Natural Science Foundation of China (50805039), Doctoral Fund of Ministry of Education of China (20070213049), China and Heilongjiang Province Postdoctoral Science Foundation (20070410899), Project supported by Natural Scientific Research Innovation Foundation in Harbin Institute of Technology (HIT.NSRIF.2008.40).
:Journal of Crystal Growth,Vol.275 (2005), pp.39-50
[10] X.Z.Song,Y.Zhang,F.H.Zhang:Advanced Materials Research,Vol.53-54(2008),pp.363-368.