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Journal of Inorganic Materials, 2005, 20(2): 310-316.
Journal of Inorganic materials, 2000, 15(2): 347-355.In Chinese [9] Hu S C, Zhou Z W, Chu L S.
Journal of Shaanxi Normal University (Natural Science Edition), 2013, 41(2):39-43.
Journal of Functional Materials, 2011, 42(B02): 69-72.In Chinese [21] Lei H F, Wang P, Zhang Y M, etc.
MATERIALS SCIENCE & TECHNOLOGY, 2009, 17(4): 457-461.

The Positive Temperature Coefficient of Resistivity Effect in (1-x)KNbO3-xBaGeO3 Based Ceramics Xu Tie-zhu, aZhu Xing-wen, Gong Min, Wang Sheng-wei, Jiang Wen-zhong, Zhou Xiao School of Materials Science and Technology, Shanghai University, Shanghai(200072), China axingwenzhu@shu.edu.cn Keywords: lead-free; PTCR; (1-x)KNbO3-xBaGeO3; phase transition point Abstract. (1-x)KNbO3-xBaGeO3 based PTCR ceramic materials are prepared using high purity K2CO3, Nb2O5, GeO2, Al2O3 and BaCO3 powders as starting materials, and the structural and electrical properties have been investigated.
However ,BT-BNT based PTCR ceramic materials are encountering some problems in the practical use.
It is interesting that for the Ba doped sample the resistivity anomaly is almost same as that of the BaTiO3 based PTCR materials, moreover, the temperature coefficient αk (over 20%) is bigger than that of most PTCR materials in used.
The mechanism of the PTCR effect in this materials seems different from the Heywang Model.
Chan: Applied Physics A: Materials Science and Processing, 80[7] (2005), p. 1531-1534 [4] Gomah-Pettry, Jean-Richard, Senda Said, Pascal Marchet and Jean-Pierre Mercurio, “Sodium- bismuth titanate based lead-free ferroelectric materials”, Journal of the European Ceramic Society, Vol. 24, issue 6, 1165-1169, 2004 [5] Hiroaki Takeda, Wataru Aoto and Tadashi Shiosaki: Applied Physics Letters, 87[10] (2005), p. 102-104 [6] F.Jona and G.

But the experimental studies are specific to certain types of composite materials under certain ballistic impact conditions.
Based on these experimental studies the ballistic impact behavior of a class of composite materials cannot be characterized.
It can be seen that the ballistic limit of laminated composite increases with increasing the thickness of laminate for three different materials.
Key Engineering materials. 1998,141-143: 427-452 [4] Jenq ST, Jing HS, Chung C.
Key Engineering materials. 1998, 141-143:349-466 [10] Benloulo ISC, Sanchez-Galvez V.

Still, some materials like Khour Al-Hamam can be modified using additive materials to be suitable.
Materials and Methods Different types of material were collected from various locations in Oman.
First, soils were classified into pure and waste materials.
Masad, Pavement Design and Materials, Pavement Design and Materials. (2012). https://doi.org/10.1002/9780470259924
Mughieda, CBR behavior of sandy soil reinforced by geofiber material, IOP Conference Series: Materials Science and Engineering. 910 (2020). https://doi.org/10.1088/1757-899X/910/1/012005

As new types of reinforcing the use of fiber, polymer and composite materials becomes more popular.
The main advantages of using such materials: sufficient flexibility of manufacturing processes and the possibility of using a wide range of raw materials.
Flexural Behavior of Fiber Mesh-reinforced Concrete with Glass Aggregate (2002) ACI Materials Journal, 99 (5), pp. 425-434
An experimental study of synthetic fibre reinforced cementitious composites (1987) Journal of Materials Science, 22 (12), pp. 4281-4291
Properties of cement composites reinforced with Kevlar fibres (1978) Journal of Materials Science, 13 (5), pp 1075-1083

Nurulsaidatulsyida, and N.Marsi: Biopolymer Doped with Titanium Dioxide Superhydrophobic Photocatalysis as Self-Clean Coating for Lightweight Composite, Advances in Materials Science and Engineering, Article ID 486253, 9 pages, Hindawi Publishing Corporation (2013) [9] U.
Mathew: Impact and Post-Impact Vibration Response nof Protective Metal Foam Composite Sandwich Plates, Journal of Material Science and Engineering, Vol 60, pp 2769-2780 (2006) [10] E.
Part 2; Thermal Degradation and Materials Properties, Prog React Kinet Mech, vol 34, pp 1-43 2009. 1468-6783@2009 Science Reviews 2000 Ltd
Anika Zafiah: Effect of Titanium Dioxide on Material Properties for Renewable Rapeseed and Sunflower Polyurethane, International Journal of Integrated Engineering, Issues on Mechanical, Materials and Manufacturing Engineering, Volume 1, No 1, April 2009: ISSN:1985-854X
Ionescu: Acoustical Materials-Sound Absorbing Materials Made of Pine Sawdust, Romanian Journal of Acoustic and Vibration, VIII(2), 95-98 (2011).

Continuous cooling transformation behavior of subcooling austenite of SCM435 steels[J].Journal of Northeastem University(Natural Science).2013, 34(3):356-359
Martensitic transformation and martensite [M], 2nd edition, Beijing: Science Press, 1999,560-564
Determination of the Dynamic Recrystallization Kinetics Model for SCM435 Steel [J], Journal of Wuhan University of Technology-Materials Science Edition, 2013, 28(4): 819-824
Journal of Iron and Steel Research .2008,20 (10): 40-43
Journal of Research .2004,16 (2): 40-42.

Cordierite–mullite composite crucibles were prepared via high-temperature solid-state process by using burn talc, datong soil, knar clay, bentonite, quartz, feldspar and alumina as raw materials, waste porcelain powder as skeletal material.
The main influencing factors such as the raw materials radio and calcination temperature were discussed.
Expriment 1.1 Synthesis Table 1 shows the chemical compositions of raw materials.
Acknowledgements Project is supported by the National Science Foundation Project of China (Grant No. 50872030 and No. 51042004), and the Science & Technology Pillar Program of Hebei province (Grant No. 09276725D).
A L Wetting and penetration of cordierite and mullite materials by non-stoichiometric cordierite liquids[J].Ceramics International, 2008 (34):1753-1762

Normally, the calculation of Poisson’s ratio is done for common materials, not for lattice structures.
Lakes, Foam structures with a negative Poisson’s ratio, Science, p. 1038, 1987
Alderson, Auxetic materials : the positive side of being negative, Engineering Science & Education Journal, vol. 9, no. 4, pp. 148–154, 2000
Alderson , Auxetic materials, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 221(4), pp. 565–575, 2007
Cheung, N.Gershenfeld, Reversibly Assembled Cellular Composite Materials Science, vol. 341 13, no. 6151 pp. 1219-1221, September 2013

Multifunctional polymer composites for "intellectual" structures: present state, problems, future Anatoliy T.Ponomarenko1,a, Oleg Figovsky 2,b and Vitaliy G.Shevchenko1,c 1 N.S.Enikolopov Institute of Synthetic Polymeric Materials, Russian Academy of Sciences, Profsoyuznaya 70, 117393 Moscow, Russia 2 Israel Research Center Polymate, 3a Shimkin street, Haifa, 34750, Israel a anapon@ispm.ru, bfigovsky@netvision.net.il, cshev@ispm.ru Keywords: Multifunctional polymer composites, smart materials, conductors, ferroelectrics, magnetic, hierarchical approach.
SPIE, Proc. 1996 North American Conf. on Smart Structures and Materials: Smart Materials, 1996, Vol. 2717, p. 517. 3.
Physics of Composite Materials.
Materials GEC-Marconi, Materials Technology; Materials and Sensor Division, Radar Absorbent AND Transparent Materials, 1996, 40 p. 7.
E.Kalinin, A.T.Ponomarenko, V.G.Shevchenko, A.V.Sitnikov, O.V.Stognei, O.Figovsky: Journal of Nanostructured Materials and Nanocomposites, V.2, 2006, p.23. 12.