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In recent years, stepwise graded materials, where the material properties vary gradually or layer-by-layer within the material itself, were utilized as a core material in sandwich composites.
Alρ is density of base material of aluminum foam.
Simitses: Journal of Applied Mechanics - Tansactions of the ASME Vol.75(2008), p.125 [4] G.J.
Fleck: European Journal of Mechanics - A: Solids Vol.25(2006), p. 215 [5] Erheng Wang, Nate Gardner, Arun Shukla:International Journal of Solids and Structures Vol.46 (2009), p. 3492 [6] P.J.
Li: Journal of the Mechanics and Physics of Solids Vol.53(2005), p. 2174

Development of Composite Materials for 3D Printing on the Basis of Polyphenylenesulfone A.L.
Khashirova1 Kabardino-Balkarian State University, 173 Chernyshevski str., Nalchik, 360004, Russia a*azamat-z@mail.ru Keywords: polyphenylenesulfone, talc, composite materials, 3D-printing.
Acknowledgements The work was supported by the Ministry of Education and Science of the Russian Federation under the agreement No. 14.577.21.0278 of September 26, 2017.
[8] Mikhailin Yu.A., Thermally stable polymers and polymer materials, Profession, SPb, 2006
Polymeric composite materials: Scientific publication.

Simulation and Technological Parameters Optimization of Axial Feeding Bulging Process for T-tube Shengjie Liu123,a,Yanmin Zhang12,b,Kexing Song12,Jianxin Gao1 and Xiaojun Zhang 12 1Institute of Materials Science and Engineering, Henan University of Science and Technology,Luoyang 471003, China 2Henan Key Laboratory of Advanced Non-ferrous Metals, Luoyang 471039, China 3Henan Zhoukou Vocational and Technical College, Zhoukou 466001,China aliushengjie20080405@126.com,b zhangmin70@163.com Keywords:T-tube; axial feeding bulging process; simulation; optimization Abstract.
The forming process of T-tube is non-symmetric deformed and the material deformation laws are very complicated, so it is quite difficult to machine a produce.
The forming process of T-tube is non-symmetric deformed and the material deformation laws are very complicated, so it is quite difficult to machine a produce.
References [1] Ling Liu, Huili Zhao and Dayu Sun: Forging & stamping technology Vol.32(5)(2007),p.40-43, in Chinese [2] Hua Du: Master Degree Thesis of HeFei University of Technology 4(2009) , in Chinese [3] Hongyang Li,Haiyuan Lv and Haijun Liu:Journal of Plasticity Engineering Vol.14(3)(2009),P.80-83, in Chinese [4] Xinhong Yu, Huifeng Wang, Yanli Zheng: Avintion Precision Manufacturing Technology Vol.41(5)(2005),in Chinese [5] Xinjun Li,Xianbing Zhou and Lihui Lang:Journal of BeiJing University of Aeronautics and Astronautics, Vol.32(4)(2006), p.476-480,in Chinese [6] Hongbao Zhou:Master Degree Thesis of Shandong University Of Technology (2008) ,in Chinese [7] Jiangbo Zhai: Master Degree Thesis of Northwestern Polytechnical University (2007) ,in Chinese [8] Lifang Cai,Yanmin Zhang and Aixue Sun: Journal of Henan University of Science and Technology (Natural Science), Vol. 24(1)(2003),p.30-32,in Chinese [9] Lin Zhou:Master Degree Dissertation of HeFei University of Technology
(2008) ,in Chinese [10] Bugang Teng, Dongming Cheng and Bing Guo: Forging & Stamping Technology Vol. 33(5) (2008),p.34-37,in Chinese [11] Fengling Gao, Wei Zhao and Aixue Sun:Hot Working Technology, Vol.6 (2003),p.19-20, 64 [12] Shuhui Li, Bing Yang and Weigang Zhang:Materials and Design, Vol.29(2008),p.1110–1116 [13] Kuang-Jau Fann and Pou-Yuan Hsiao:Journal of Materials Processing Technology Vol.140(2003),p.520-524 [14] B.Yang,W.G.Zhang and S.H.Li:Int J Adv Manuf Technol Vol.29(2006),p.453–458 [15] D.Sornin1 and E.Massoni:Int J Mater Form , Suppl.1(2008),p.327–330 [16] Rosa Di Lorenzo,Giuseppe Ingarao and Francisco Chinesta:Int J Adv Manuf Technol, Vol.44(2009),p.49–60 [17] Tonghai Wang,in:Tube plastic forming process,( China Machine Press, 1998) [18] Jukan Xia,in:Precise plastic forming,( China Machine Press, 1999)

T.Salim, Rapid thermal oxidation for silicon nanocrystal based solar cell, International Journal of Nanoelectronics and Materials 5(2) (2012) 95-100 [3] J.
Saimon, Niobium Pentoxide Thin Film Prepared using Simple Colloidal Suspension for Optoelectronic Application, International Journal of Nanoelectronics and Materials. 11(2) (2018) 127‐134
Kadhim, Reduction the Corrosion Rate of 304 Stainless Steel using Pulsed Laser Shock Penning Method, IOP Conference Series: Materials Science and Engineering 454(1) (2018) 012162
Ahmed1, Responsivity and Response Time of Nano Silver Oxide on Silicon Heterojunction Detector, International Journal of Nanoelectronics and Materials 11 (2018) 109-114
Dias, Compressive strength of esthetic restorative materials polymerized with quartz-tungsten-halogen light and blue LED, Brazilian dental journal 20(1) (2009) 54-7.

Lead as Test Rolling Material for Hot Complex Rolling of Steel Gerhard Tobera, Okechukwu Anopuob and Petra Maierc Fachhochschule Stralsund - University of Applied Sciences, Zur Schwedenschanze 15, 18435 Stralsund, Germany aGerhard.Tober@fh-stralsund.de, bOkechukwu.Anopuo@fh-stralsund.de, cPetra.Maier@fh-stralsund.de Keywords: Complex Rolling, Hot Forming, Lead, Pb 99.94 Cu.
Again, both materials have a face centred cubic crystal structure at forming temperature and also recrystallise during forming operations [1,2].
Baines: Lead as a model material to simulate mandrel rolling of hot steel tube, in: Journal of Materials Processing Technology, Vol. 118, 2001, p. 422 – 428 [2] J.H.
Blazynski: Lead as a model material in the investigation of shear-type metal flows, in: Journal of Mechanical Working Technology, Vol. 15, Issue 3, (December 1987), p. 309-317 [3] Anton Schneider Söhne GmbH & Co.
Certain Aspects of the Recrystallization of Lead and Dilute Lead Alloys, in: The Journal of the Institute of Metals, edited by N.B.

Materials and Methods Modern VOK-60, VOK-71 and VOK-200 oxide ceramics have approximately the same composition (Fig. 1) and contain about 75% aluminum oxide (Al2O3), which is the main phase.
Sivenkov et al., Creating a model of diffusion deposition of metal coatings from melts of low-melting metals, IOP Conference Series: Materials Science and Engineering 560(1) (2019) 012188
Pryakhin, Detection of intermediate phases in metal alloys, Key Engineering Materials 854 (2020) 23-29
Vasilkov, Determination of technological residual stresses in the surface layer of parts with thin-walled elements during turning, IOP Conference Series: Materials Science and Engineering 666(1) (2019) 012024
Muratbakeev, Computer simulation of machining, Key Engineering Materials 743 (2017) 248-251

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The connection of these materials always utilizes various technologies.
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So the energetic complex may be a new generation of green energetic materials.
References [1] Hongshe Wang, Zhiming Du: Energetic Materials, 13 (2005), 196 (In Chinese)
Stierstorfer: Central European Journal of Energetic Materials, 5 (2008), 3
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