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In order to consideration of these materials’ strain rate dependence, Cowper-Symonds dynamic constitutive equation shown in Eq.1 was adopted [2,3]
(1) Here, is dynamic yielding stress, is static yielding stress, is strain rate and are materials’ constants, respectively.
The yielding stress of both materials show the distinguish strain rate dependence with increasing strain rate.
(1) The accuracy of simulation analysis to gun bullet and protection board was largely depended on the materials’ strain rate dependence
Hanareo: Journal of Society of Materials Science,Japan, 26, 281 (1977).

ACI Materials Journal, 90(2): 170~173
ACI Materials Journal, 96 (3): 405-409
Journal of Materials in Civil Engineering, 3 (13): 230~234
Journal of Materials Science and Technology, 21(1): 118-122
Construction and Building Materials, 22(5) : 948-955

China 2 Department of Materials Science and Engineering, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, P.
In the analysis of metal forming process by RPFEM the method of Lagrange multiplier, penalty function and compressible materials was often used as reported in the literatures [3~9].
Park: Journal of Materials Processing Technology Vol. 130-131 (2002), p. 181 [6] D.
Bai: Materials Science and Technology Vol. 5 (1986), p. 93
Xue: Engineering Journal of Wuhan University Vol. 39 (2006), p. 58

Ariffin, “Improving half-cell potential survey through computational inverse analysis for quantitative corrosion profiling,” Case Studies in Construction Materials, vol. 16, (2022) [4] M.
Yokota, “Analysis of half-cell potential measurement for corrosion of reinforced concrete,” Construction and Building Materials., vol. 18, no. 3, pp. 155–162, (2004) [9] M.
V Tsinopoulos, “Modelling of 3D periodic cathodic protection problems in reinforced concrete structures with accelerated boundary element method,” Construction and Building Materials, vol. 394, p. 132211, (2023) [16] G.
Kim et al., “Recent progress on microelectrodes in neural interfaces,” Materials (Basel)., vol. 11, no. 10, (2018) [17] A.
Ariffin, “The Influence of Anode Profiles for Three Dimensions Numerical Simulation of Reinforced Concrete Corrosion Using Boundary Element Method,” Advanced Materials Research., vol. 686, pp. 261 – 265, (2013)

Introduction Research on the dynamic fracture toughness of metallic materials is one of frontier topics of Fracture Dynamics.
American Society for Testing and Materials.1974:86-89P
International Journal of Fracture.1998,89:85-102P
A discussion of problems encountered in the dynamic fracture toughness testing of materials.
Journal De Physique Colloque 9.1988,C3:347-352P.

Under being excited by 980nm laser, three materials emit red, green and blue light, whose peak wavelengths are 660nm, 550nm and 480nm, respectively.
By using same proportioning of fluoride substrate materials and different component of rare-earth ions, three kinds of up-conversion luminescence materials are fabricated by adopting high temperature solid-state method.
Fig. 4 Emission spectra of ABCTY excited by 980nm laser Doped rare-earth ions of ABCTY material are Tm3+ and Yb3+, so luminescence process is different from ABCE and ABCEY materials.
Under excited by 980nm laser, three kinds of up-conversion materials emit red, green and blue light respectively, and the emission light can be observed by naked eye at daytime obviously.
Journal of Rath Earth. 2003, 21( 4) : 409.

In contrast with other rigid materials, friction of rubbers is complex because of its elastic deformation.
The four general aluminum alloy materials of aircraft skin, 7075, 2024, 2B06, 7B04, were chosen.
Journal of Materials Processing Technology, 209(2009), 396-407
Journal of Materials Processing Technology, 148 (2004), 376-381
Jinan: Shandong science technology Press, 1985.

Materials and Methodology The current experimental procedure for this work is condensed as in Fig. 1.
The main purpose of biomass constituent analysis is to investigate the composition of cellulosic materials in BSD.
The extractive contents value depends on presence of water soluble materials (e.g., inorganic materials, non-structural sugar, nitrogenous materials) and ethanol soluble materials (chlorophyll and waxes), associated with the biomass in question.
Tamizi: Journal of Tropical Forest Science Vol. 18 (2006), p. 236
Elsheikh: Journal of Applied Science Vol. 10 (2010), p.1090

This allows for cheaper and much more efficient materials production that minimizes materials loss.
Schock: Materials Science and Engineering R 40, (2003), p. 1-46 [3] A.
Yuan, et. al.: Advanced materials, 20, (2008), p. 3657-3662 [11].
Kim, et. al.: Journal of Phys. and Chem. of Sol., 68 (2007), 1908-1913
Journal of Phys. and Chem. of Solids, 93, (2009), p. 11-14

It is different from common carbon material, because the new composite materials that made of specialty fibre has obvious characteristics on anisotropic, and there is very high strength along axial of the fibre[3].
Journal of SuZhou University(Engineering Science Edition), 2008, 28(2):34-36
Journal of Aeronautical Materials, 2007, 27(02):52-57
Composite Materials [M].
Journal of Machine Design, 2012, 29(05):35-38.