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Experiment Materials The Ordinary Portland cement, locally available sand, crushed granite rock and water with the ratio of 66.3:06.2:5.0:0.1 by weight are used for making the concrete.
The CFL is bonded to the tension face of the concrete beam, shown as Fig.1. 100 1850 1600 200 CFL steel bar concrete Fig.1 RC beam strengthened with prestressed CFL Experimental program 4 RC beams are prepared by the materials described upper.
Acknowledgments This research project is supported in part by the National Natural Science Foundation of China (10672060, 10272047), the China Postdoctoral Science Foundation (20060400757) and SCUT Postdoctoral Innovation Science Foundation.
Key Engineer Materials, 2004, 274-276: 1159-1163
Journal of Mechanical strength, 2004, 26(s): 025-027

Experimental Materials.
Brydson, Rubbery Materials and their Compounds, New York, 1988 [5] J.B.
[14] Omar A Al Hartomy, Ahmed A Al Ghamdi, Said A Farha Al Said, Nikolay Dishovsky, Mihail Mihaylov, Milcho Ivanov, Journal of Composite Materials, 2015
[18] Asish Malas, Chapal Kumar Das, Journal of Material Science, 47 (2012) 2016-2024
Choi, Journal of Applied Polymer Science, 83 (2002) 2609

However, according to “Building Materials Combustion Performance Classification” (GB8624-97), grade A is non-combustible and inorganic materials.
However, the high cost and complex construction technology make it difficult to promote the use of these heat-insulating materials.
In comparison with organic heat-insulating materials such as Polyurethane and Polystyrene Board, foam glass has steady material performance, and its linear expansion coefficient is very close to that of concrete.
Gao, Application and construction of foam glass in architecture field, Journal of Shanxi University of Science and Technology.
Zeng, Application of eco-friendly material- foamed glass, Journal of Building Materials.

[3] L.Ge, X.Y.Jing, J.Wang et al: Journal of Materials Chemistry Vol. 21(2011), p. 10750-10754
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The methodology of testing was similar to the one used in thin-layered or textile materials [12].
The tensile strength and stiffness were tested on both materials, each represented by more than 6 samples.
Chaikof, Engineered collagen-PEO nanofibers and fabrics, Journal of Biomaterial Science, Polymer edition 12 (2001) 979-94
Nežerka, Influence of copper ions on mechanical properties of PVA-based nanofiber textiles, Applied Mechanics and Materials 486 (2014) 201-204
Nežerka, Mechanical properties of single and double-layered PVA nanofibers, Key Engineering Materials 586 (2014) 261-264.

An environmental stress fracture is the general term in materials science used to refer to the premature failure of materials like metals, alloys [5], and composites due to tensile loads and environmental conditions.
IOP Conference Series: Materials Science and Engineering. 2015; 71(1).
Procedia Materials Science.
Journal of Materials Research and Technology. 2020; 9(2): 1831–1846.
Archives of Materials Science and Engineering. 2017; 28(2): 69–76.

(5) From the stress diagram it can be easily noted that the stress value at main journal and connecting rod journal in also low.
Material Alternative.
The major crankshaft materials currently used are forged steel, nodular cast iron, structural steel and austempered ductile iron.
Second international Conference on Information Engineering and Computer Science, IEEE 2010, pp.1-4
Rezel: Alternative materials for the manufacture of Automobile Components.

To prevent the development of the cracks, the tensile strength of the layer’s material should be enhanced in any way.
Effects of tire contact pressure on asphalt pavement structure[J].Journal of Chang'an University(Natural Science Edition), 2004, 24(1) :12-16 [5] Hu Xiaodi,Sun Lijun.Analysis of asphalt pavement structure under non-uniform distributed tire pressure with 3D finite element method[J].
Journal of Chang'an University(Natural Science Edition), 2003,5(3):15－20 [6] Yue，Zhong Qi，Svec，Otto J．.Effects of tire-pavement contact pressure distributions on the response of asphalt concrete pavements[J]．Canadian Journal of Civil Engineering，1995，22(5)：849—860 [7] Sebaaly， Peter，Tabatabaee，Nader．Effect of tire pressure and type on response of flexible pavement[Z]．Transportation Research Record,1989，No．1227：ll5—127 [8] Wang Yang,Liu Zhaojin.The influence of characteristics of vehicle load on pavement structure [J]．Liaoning construction material，2004，3(3)：69-70 [9] Bi Yufeng,Sun Lijun.
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Finite Element Analysis of Top-Down Cracking in Asphalt Pavement[J], Journal of Highway and Transportation Research and Development, 2006，23(6)：1－4

Materials and Methods Experimental material.
The potential is probably restricted on to the materials with brittle fracture.
Rawlings, Material Science and Technology, Vol. 5(1989) pp865 [3] D.
Lesage, Vickers Indentation Fracture (VIF) modeling to analyze multi-cracking toughness of titania, alumina and zirconia plasma sprayed coatings, Materials Science and Engineering A Vol. 527 (2009) pp 65 - 76 [4] N.H.
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A Study of hBN-Y2O3 Composite Investment for Casting Ti-6Al-4V Alloy Shen Bin a, Liu Hongbao b, Mao Xiemin c, Li Chonghe d School of Materials and Science Engineering, Shanghai University, Shanghai, 200072,China a Shenbin@shu.edu.cn, bHongbaoliu@tom.com, cxmmao@staff.shu.edu.cn, d chli@staff.shu.edu.cn Keyword: Boron nitride, Investment casting, Titanium Abstract: An hBN-Y2O3 composite investment moulding material was developed for investment casting Ti-6Al-4V alloy.
Hexagonal boron nitride (hBN) powders plus a few Y2O3 powders were used as the investment mould material to prepare the shell mould with colloidal yttria as binder.
Fig.3 The changes of micro-hardness in titanium casting from surface The alpha-case is generally known to be developed by the interstitials such as carbon, nitrogen and especially oxygen dissolved from mold materials [1, 3].
References [1] Xie Chengmu, Titanium and Titanium Casting (China Machine Press 2004) [2] M.Garfinkle, H.M.Davis: Transactions of the ASM, Vol.58 (1965), p521~530 [3] Jiang B.j: Shell Mould Casting Process (China Machine Press2004) [4] Xie Chengmu, Wang Ying: Special Casing and Nonferrous Alloys, Vol.3 (2001), p40~42 [5] Zhao Fengming: Chinese Journal of Rare Metals, Vol.17(1993)，p152~154 [6] Crimp.M.j, Oppermann.D.a, Krehbiel.k: Journal of Materials Science, Vol.34 (1999), p2621~2625 [7] X.P.
Oub: Dental Materials Vol.18 (2002), p512~515 [8] Xiaoyan Ma, Changrong Li, Weijing Zhang: Materials Science and Engineering A Vol.392 (2005), p394-402