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For example, by considering the flexural damping response of materials, a novel composite sandwich material with aluminum foam core and PMI Foam core were developed by Niyari [4].
Dynamic analysis of laminate materials, composite materials and, laminates with interleaved viscoelastic layers were carried out by Berthelot et al [6].
Materials and experimental procedure The face sheets of the plates were made from three layers of 600 g/m2 chopped strand mat glass fiber as face sheets and polyethylene foam with thickness of 11mm as the core material.
Suhr, Core material effect on wave number and vibrational damping characteristics in carbon fibre sandwich composites, Composites Science and Technology 72 (2012) 1493–1499 [3].
Assarar, Y.Sefrani, A.E.El Mahi, Damping analysis of composite materials and structures, Composite Structures 85 (2008) 189–204

Introduction Recently, there has been interest in developing keratin materials for many different applications，for instance the keratin is appropriate for biomedical application such as implantation or drug delivery [1].
Experimental Materials and Method.
In addition, the positions of these bands indicate the conformations of the protein materials: 3330cm-1 (amide A) and 2960-2920cm-1 (CH2, CH3), 1020 cm-1 (Cysteine-S-sulfonate) and 1080 cm-1 (Cysteine oxide) [10,11].
Liebner, Thermally Processed Keratin Films, Journal of Applied Polymer Science, Vol. 97(2005), p.1644–1651
Journal of Biomedical Materials Research, Vol. 31 (1996), p.439-444

High qualified scrap steel and pig iron are used as raw materials.
To ensure the quality of atomized powder, more attention should be paid to control the chemical composition of the raw materials strictly.
Yang, Impact of high-temperature reducing on compressibility of water atomized iron powder, Materials Science and Engineering of Powder Metallurgy, 15 (2010) 516-520
Hu, DMLS temperature field simulation and experimental study of water atomized iron powder, Journal of Soochow university (Engineering science edition), 32 (2012) 50-58
Dong, Production and application of high pressure water atomized steel powder, Advanced Materials Industry, 110 (2003) 33-35

Journal of Materials Engineering and Performance 11 (2002) 1, pp. 86-91 [2] C.
Scandinavian Journal of Metallurgy (2005) 34, pp. 192-204 [3] C.
Wang et al.: Effect of cyclic heat treatments on spheroidizing behavior of cementite in high car-bon steel, Materials Science and Eng.
Mondal et al.: Microstructural modifications and changes in mechanical properties during cy-clic heat treatment of 0.16% carbon steel, Materials Science and Eng.
Peng: Design of a spheroidization processing for ultrahigh carbon steels containing Al, Materials and design, 28 (2007), pp. 562-568 [11] Z.

From the standpoint of conductive mechanism, concrete can be regarded as a two-components composite material, conductive material and non-conducting material.
Acknowledgement The project was supported by Hunan provincial Science and Technology innovation projects (No. 201212).
[3] Li Zongjin, Li wenlai.Contactless transformer-based measurement of the resistivity of materials.
Journal of the Chinese Ceramic Society, Vol.2, 2013, pp.171-179
Journal of Central South University (NATURAL SCIENCE EDITION), Changsha, Vol.42, NO.11, 2011, pp.3530-3535

Materials Polymeric Matrix.
Both materials are used at 5 wt. % and 10 wt. %.
All materials are compounded without any preliminary treatment by Thermo Scientific mixer rotor (HAAKE Rheomix OS 600).
Pakkanen, Influence of maleated polypropylene on mechanical properties of composite made of viscose fiber and polypropylene, Journal Applied Polymer Science. 87 (2003) 1895–1900. doi:10.1002/app.11919
Pakkanen, Composition, tensile properties, and dispersion of polypropylene composites reinforced with viscose fibers, Journal Applied Polymer Science. 91 (2004) 2676–2684. doi:10.1002/app.13450

In this study, geometrical and material non-linearity buckling analysis is carried out by ANSYS.
Journal of Constructional Steel Research, 1998, 48:145–168 [2] Y.
Science and Technology of Overseas Building Materials, 2007,28(3):119-122 (in Chinese) [5] F.
Journal of South China University of Technology (Natural Science Edition), 2003, 31(suppl):26-29 (in Chinese) [6] Q.J.
Structural design of latticed shell of Yulin Science and Technology Museum, Building Structure, 2010, 40(12):86-88.

It is under the control of the computer management, according to the CAD model, through the accurate accumulation of materials, then manufacturing of prototypes or parts.
(2) The biological properties of the material can be well maintained, and it has more extensive adaptability for materials.
Through a multi-nozzle technology, It can realize the complex heterogeneous material composition gradient; due to the adoption of the extrusion / injection based on the process principle, without the removal of excess material, can realize the complex heterogeneous materials of fine pore structure gradient.
References [1] T.Wohlers, The rapid prototyping manufacturing industry [J].Advanced Materials & Processes, 161 (2003)35 -37
Journal of Systems Engineering and Electronics, 17, (2006)60-66

Calcium Phosphate Nanoparticles as Carriers of Therapeutic Peptides Federica Mancini1,a, Lorenzo Degli Esposti1,b, Alessio Adamiano1,c, Daniele Catalucci2,3,d, Silvia Appleton2,3,e, Alberto Vitali4,f, Francesca Bugli5,6,g, Maurizio Sanguinetti5,6,h, Michele Iafisco1,i 1Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Faenza (RA), Italy 2IRCCS Humanitas Research Hospital, Rozzano (MI), Italy 3Institute of Genetic and Biomedical Research (IRGB) - UOS Milan, National Research Council (CNR), Milan, Italy 4Institute of Chemical Sciences and Technologies “G.
Therefore, synthetic calcium phosphates that mimic the biogenic ones possess excellent biocompatibility as well as biodegradability and are promising materials for medicine.
Materials and Methods Synthesis.
The absorption bands at 871 cm-1 and the bands at 1480 and 1424 cm-1 can be ascribed to carbonate ions, indicating a carbonate doping in the material.
Epple, ‘Biological and Medical Applications of Calcium Phosphate Nanoparticles’, Chemistry - A European Journal, vol. 27, no. 27. pp. 7471–7488, 2021, doi: 10.1002/chem.202005257

Table 1: BGA geometry and material properties.
International journal of fatigue, 47 :8-17, 2013
International journal of fatigue, 27 :867-877, 2005
International Journal of fatigue, 14 :121-135, 1992
Hermes Science Publications, Paris, 1999