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Introduction The process of the ballistic piercing of light composite materials (like bulletproof shields) includes a change in deformation velocity which is significant from the moment of impact to the moment of destruction (piercing the shield).
Hence, in the case of high deformation velocities, the proper modelling of the constitutive compounds of materials becomes a serious problem [1, 2, 3].
The results of this analysis will be used for formulating postulates concerning parametric identification procedures for various structural materials, including composite materials (e.g. aramid etc.).
N N501 063740 supported by the National Science Centre for the period 2011–2013.
Jamroziak, Identification of the selected parameters of the model in the process of ballistic impact, Journal of Achievements in Materials and Manufacturing Engineering 49 (2011) 305–312

The APF of bulk hexagonal ZnO materials is about 0.74, however in our investigation, the APF of Zn(1-x)MnxO nanoparticles is nearly 0.75.
It implied that APF values in nanocrystals are somewhat larger than that of bulk materials.
It is possibly due to the size effect in the nanocrystalline materials.
Nancarrow, ZnO nanofluids : Green synthesis, characterization, and antibacterial activity, Materials Chemistry and Physics 2010 121 198-201
Saleeh, Composition Dependence of Structure and Magnetic Properties in Manganese Doped Nanocrystalline ZnO Particles Prepared by Co-Precipitation, Materials Science and Applications 3 2012 245-252

Lin: Chemistry of Materials, Vol. 22 (2010) No.2, p.579
Huang: Materials Science in Semiconductor Processing, Vol. 16 (2013) No.3, p.652
Cao: Advanced Materials, Vol. 19 (2007) No.18, p.2588
Ho: Materials Letters, Vol. 64 (2010) No.12, p.1372
Bach: Materials Chemistry and Physics, Vol. 144 (2014) No.1, p.114

The composite materials prepared with the plasma treatment for 0min and 15min are analyzed [20].
Advanced composite materials and aerospace.
Li: New Chemical Materials, Vol. 38 (2010), No.8, p77-80
Luo: Materials Science and Technology, Vol. 20 (2012), No.6, p.1-6
[16] Kumar S B,Sridhar I: Materials Science and Engineering, Vol. 498 (2008), p.174-178

Introduction Nowadays cement-based materials are the most widely consumed building materials.
In recent years, the research and application on cement-based materials have obtained considerable progress [1].
Experiment Materials.
References [1] Wang Zhiyong, Zhang Wensheng and Ye Jiayuan: “Research Progress in High Strength Cement-based Materials”, Bulletin of the Chinese Ceramic Society, Vol. 28(4) (2009), p. 762-765 [2] Yu Qiaozhen and Xiong Jie: “A number of issues on the research of fiber reinforced cement-based composites”, Journal of Zhejiang Institute of Science and Technology, Vol. 19(4) (2002), p. 254-259 [3] Wu Zhongwei: “Fiber reinforcement—the future of cement-based materials”, China Concrete and Cement Products, (1) (1999), p. 5-6 [4] Wang Chengqi and Wu Keru: “Hybrid fiber cement-based composite and its usage”, Industrial Construction, Vol. 32(9) (2002), p. 51-53 [5] Xu Zhaoyu: “Research Progress of Whisker And its Application”, Technology & Development of Chemical Industry, Vol. 34(2) (2005), p. 11-17 [6] Cao Mingli and Wei Jianqiang: “Microstructure and mechanical properties of CaCO3 whisker-reinforced cement”, submitted to Journal of Wuhan University of Technology-Materials Science Edition
(2010) [7] Cao Mingli and Wei Jianqiang: “Study of low content whisker to reinforce Portland cements”, submitted to Journal of Wuhan University of Technology-Materials Science Edition (2011) [8] Yao Wu, Ma Yiping, TanMuhua and Wu Keru: “Effects of Polypropylene Fibers on the Physical and Mechanical Properties of Cement Based Composites(Ⅱ)—Mechanical Properties”, Journal of Building Materials, Vol. 3(3) (2000), p. 235-239 [9] Li Guozhong, Ning Chao, Yuan Haiyan and Chen Juan: “Effect of Modified Polypropylene Fiber on Mechanical Properties of Cement Mortar”, Journal of Building Materials, Vol. 13(2) (2010), p. 135-138 [10] Liu Ling, Yin Ning, Kang Maoqing and Wang Xinkui: “Research on Whisker Toughening Mechanism for Composites”, Materials Science & Engineering, Vol. 18(2) (2000), p. 116-119 [11] Song Guiming, Zhou Yu and Sun Yi: “Modeling of Fiber Toughening in Fiber-reinforced Ceramic Matrix Composites”, Journal of Solid Rocket Technology, Vol. 22(1) (1999), p. 59-63 [12] Jin Peipeng

In general, PCMs are environment-friendly, and considered as non-hazardous energy storing materials.
Ramadan, Material Based Fault Detection Methods for PV Systems, Key Engineering Materials. 856 (2020) 111-115. [14] T.
Zhao, Photovoltaic panel integrated with phase change materials (PV-PCM): technology overview and materials selection, Renewable and Sustainable Energy Reviews. 116 (2019) Article ID: 109406. [15] K.
Wongwuttanasatian, Reducing PV module temperature with radiation based PV module incorporating composite phase change material, Journal of Energy Storage. 29 (2020) Article ID: 101346. [17] M.F.
Hassan, Impact of graphene nanofluid and phase change material on hybrid photovoltaic thermal system: Exergy analysis, Journal of Cleaner Production. 277 (2020) Article ID: 123370. [20] M.

Bottom-up strategy of materials fabrication: a new trend in nanotechnology of soft materials.
Advanced Materials, 2003, 15.
Materials today, 9(10), 18-27
Journal of cluster science, 17(4), 529-540
Smart materials and structures, 21(5), 052001

The UVM is highly applied to machining nonconductor materials, hard & brittle materials such as various ceramics etc, compare with Electrical discharge machining (EDM), electrolysis machining and laser machining, UVM is independent on the conductive of materials and no thermo physical activity on part, compare with the photo etching, UVM can machine the large depth-to-width ratio on part.
All these properties are making the UVM the unparallel advantage in cutting hard & brittle materials.
These results provide a theoretical basis for machining monocrystal materials such as SiC, Si etc, also obtain reference for efficient processing and a good surface quality of these precious materials.
Physics-Based Predictive Cutting Force Model in Ultrasonic Vibration Assisted Grinding for Titanium Drilling[J], Journal of Manufacturing Science and Engineering, Vol. 131, (2009), p. 041011-9
Zhou, Brittle–ductile transition in the diamond cutting of glasses with the aid of ultrasonic vibration, Journal of Materials Processing Technology Vol. 121, (2002), p. 243–251

Hence, it could be utilized to develop the light electro-magnetic active powder materials.
Materials Science & Engineering A. 2001, 302(1):83-91
Aerospace materials and technology. 1994, 24(1):1-5
The absorption materials of magnetic metal powder.
Journal of metal functional materials. 1994, 10(1):21-23

Takagi4,f 1 Research and Development Institute, Takenaka Corporation, 5-1, 1-chome, Ohtsuka, Inzai, Chiba, (270-1395), Japan (Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, Gakuen-cho 1-1, Naka-ku ,Sakai, (599-8531), Japan) 2 Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, Gakuen-cho 1-1, Naka-ku ,Sakai, (599-8531), Japan 3 Building Design Department, Takenaka Corporation, 1-13 4-chome Chuo-ku, Osaka,(541-0053) ,Japan 4 Materials Research Laboratories, Kobe Steel Ltd., 5-5, Takatsukadai 1-chome, Nishi-ku, Kobe, (651-2271), Japan) a kushibe.atsumichi@takenaka.co.jp, b takigawa@mtr.osakafu-u.ac.jp, chigashi@mtr.osakafu-u.ac.jp, d aoki.kazuo@takenaka.co.jp, ek-makii@rd.kcrl.kobelco.co.jp, fto-takagi@ rd.kcrl.kobelco.co.jp Keywords: Zn-Al alloy, Superplasticity, TMCP, seismic damper, maintenance-free Abstract.As a new damping material, the authors first developed
Fig. 6 shows the relationships between cumulative strain and stress for both materials.
:Journal of Japan Institute of Light Metals, Vol.30, No.11 (1980), p.634
Ueda et al.: Journal of JSME C, Vol. 68, No. 672(2002), p.2332
:International Journal of Mechanical Sciences 45 (2003) p.1599.