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In order to release performance mismatch of heterogenic material, Functional Gradient Materials (FGM) were made up.
Niemeyer: Materials Science Forium.
Yuan: Journal of the Chinese Ceramic Society.
Jin: Journal of Plasticity Engineering.
Chen: Journal of Solid Rocket Technology.

Characterizing Dielectric Constant of Ceramics by Mie Resonance Theory Xiaoming Liu1,a,Chuwen Lan1,b,Qian Zhao2,cand Ji Zhou1,d 1State Key Lab of New Ceramics and Fine Processing,Department of Materials Science and Engineering,Tsinghua University,Beijing,PRC 2State Key Lab of Tribology,Department of Precision Instruments and Mechanology,Tsinghua University,Beijing,PRC aliuxiaoming20000@126.com,blanchuwen@126.com,czhaoqian@mail.tsinghua.edu.cn, dzhouji@mail.tsinghua.edu.cn Keywords: Permittivity, Dielectric, Mie Resonance Abstract. we present an effective method based on Mie resonance theory to characterize dielectric constant of ceramics.
Paspalakis: JOURNAL OF OPTICS, Vol. 12 (2010) No.10401710SI, [3] S.
Meng: Chinese Science Bulletin, Vol. 53 (2008) No.21, p.3272 [8] H.
Mehta: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, Vol. 27 (2010) No.4, p.873 [9] T.V.
Lippens: MATERIALS TODAY, Vol. 12 (2009) No.12, p.60

In materials science and fracture mechanics, it is commonly known that Paris' Law relates the stress intensity factor to sub-critical crack growth rate under a fatigue stress regime [3].
Pentalla [6] has attempted to model freezing-induced pressures in wet porous materials based solely on thermodynamic.
Journal of Eng.
Liang, Journal of Bui.
Xue, Journal of Hydr.

Last year the BSR produced over 15 700 Web of Science indexed (ISI) nano-articles that counted almost 14% from the world number [18].
One of the trends in nanotechnologies development in Latvia concerned to material sciences is obtaining of the functional nanomaterials and new composite nanomaterials [24, 25].
In 2013 50 habilitated doctors and over 300 doctors carried the research in material sciences in Latvia.
Journal of Technology Innovations and Research. 2 (2013) 1-16
Sternbergs, Materials sciences: nanotechnologies for extraction of state-of-the-art functional materials, advanced composite materials, Science, Research and Innovation: Advancing Latvia’s Development. 3 (14) (2007) 93-98

Materials and Methods Samples were manufactured using the 280 HL selective laser melting system (SLM Solution GmbH SLM), as shown in fig. 1, a.
IOP Conference Series: Materials Science and Engineering Vol. 441.
"The investigation of microstructure and mechanical properties of tool steel produced by selective laser melting technology" IOP Conference Series: Materials Science and Engineering.
Elbestawi, Lattice Structures and Functionally Graded Materials Applications in Additive Manufacturing of Orthopedic Implants: A Review, 2017, Journal of Manufacturing and Materials Processing, 1(2), p.13.
International Journal of Bioprinting. 2016 Jun 24; 2(2):187-93.

Wróbel: International Journal of Materials and Product Technology Vol. 33, No. 3 (2008), p. 322
Klimpel: Journal of Achievements in Materials and Manufacturing Engineering Vol. 18, No. 1-2 (2006)
Eidhed: Materials Science and Engineering Vol.
Janerka: Archives of Materials Science and Engineering Vol. 36, Issue 2 (2009), p. 118
Szajnar: International Journal of Computational Materials Science and Surface Engineering Vol. 1, No. 3(2007) p. 292

The composite materials obtained by combining wood residues and other materials can meet the need of timber resource shortage and environmental protection, which have an extremely wide application range and represent these materials development direction due to its cost-effective, recyclable, environment-friendly properties.
Materials and Methods Test materials In this test, the wood residues of larch and birch trees were took as the substrate material, taking bamboo and phenolic resin as reinforced materials.
Conclusions According to the main production process parameters of wood composite materials, the uniform design is established to measure physical property indexes of materials with DPS.
Journal of Jinan University Vol.32-37 5(4), 1995
Journal of Northwest Forestry University, Vol.183-185 20(02), 2005.

Hodgson: Materials Science & Engineering C-Biomimetic and Supramolecular Systems, vol. 26 (2006), pp 1439-1444
Ko: Materials Letter vol. 64 (2010), pp 2526-2529
Graf-Hausner: European Cells and Materials vol. 11 (2006), pp 8-15
Trantolo: Journal Biomaterial Science Polymer Ed vol. 11 (2000), pp 879
Meijer: Journal of Materials Science: Materials in Medicine vol. 15 (2004), pp 373-380.

The material of gear is 20CrMoTi [1-2] with the ultimate strength of 1100MPa, the yield limit of 850MPa.
Gear materials attribute parameters are elastic modulus 2E11Pa, Poisson's ratio of 0.3, and density of 7850kg/m ³.
Journal of Hot Working Technology (1988)6, in Chinese
Science in China Series E: Technological Sciences (2009), in Chinese
Journal of Mechanical Science and Technology, 26(2) (2012)575-589

Experimental Materials and Methods Equipments.
Materials.
Acknowledgments This research was funded by Natural Science Fund of Heilongjiang Province (RD: E200824).
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