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Simultaneously, the normal materials of ballast system are analyzed, and the suitable material is selected.
In the same time, the normal piping materials are compared with each other and analyzed to adopt the suitable piping material for the vessel[4].
At the same time, normal pipe materials are compared based on the arrangement of ballast system.
Journal of Jiangsu University of Science and Technology: Natural Science Edition, 2006, 20(4):16-19
Journal of East China Shipbuilding lnstitute: Natural Science Edition, 20042):11-15

For metal matrix composites (MMCs) production, Al based matrix materials is noted to be the cheapest among other common metallic matrix materials.
Schultz, Synthesis of A356 Al–high-Ca fly ash composites by pressure infiltration technique and their characterization, Journal of Materials Science, 47 (2012) 4042-4052
Kok, Production and mechanical properties of Al2O3 particle-reinforced 2024 aluminium alloy composites, Journal of Materials Processing Technology, 161 (2005) 381-387
Rao, Mechanical properties of Aluminum-Copper(p) composite metallic materials, Journal of Applied Research and Technology, 14 (2016) 293-299
Onõro, Creep behavior study at 500°C of laser nitrided Ti-6Al-4V alloy, Journal of Materials Research and Technology, 2 (2013) 48-51

Lavernia: Materials Science and Engineering R13 (1994) p.325 [2] P.A.
Alexandrov: Progress in Materials Science 2000, (45) p.103 [5] V.M.
Segal: Materials Science and Engineering A 386 (2004) p.269 [6] R.
Akhmadeev: Materials Science and Engineering A171 (1993) p.143 [7] R.
Langdon: Journal of Materials Processing Technology 117 (2001) P.288 [13] P.C.

Composite electrolytes are multiphase (mostly two phase) solid systems in which two or more materials are mixed together to achieve some desirable material properties, namely high ionic conductivity, good thermal stability and mechanical strength and wide electrochemical window stability [1].
Gupta, Review Superionic solids: composite electrolyte phase – an overview, Journal of Materials Science 34 (1999) 1131-1162
Park, Effect of precursor on the preparation of lithium aluminate, Journal of Nuclear Materials 246 (1997) 131-138
Material Science Poland 24 (2006) 195-203
Gupta, Ionic conductivity in poly(vinylbutyral) based polymeric electrolytes: Effect of Solvents and salts, Solar Energy Materials and Solar Cells 44 (1996) 6-12

Empirical method is the first one to be used , but with the emergence of new materials, new technology, empirical method is not applicable in many ways; Analytical method mainly uses the space expansion theory and the theory of differential surface force source; numerical method is with the aid of computer technology, by finite element method or finite difference method to numerically simulate the problem of penetration, this method is of high speed, low cost, and can simulate the operation of the projectile trajectory.Thus,more direct, more used.
Five groups of tests were conducted, the object is ultra high performance cement-based composite materials Experiment, when the bullet into vertical target, first with the positive impact of concrete, and hardness, compressive strength of concrete itself, can have high stress zone around the spot for the impact of the child, while the concrete around the bullet in the head will produce radial compression stress wave, the bullet further into the target material, is a phenomenon of shear, extrusion, and the effect of free surface of the target for make the concrete material around the bullet point from the medium particles, eventually forming a kind of like a funnel pits and radial crack, formation of the pit area should be greater than the cross-sectional area of the bullet.
Journal of explosion and shock, 2002, 22 (4) : 368-371 [3] Kenedy R P.
Journal Southeast University,1991,21(1):1-7
Journal of PLA University of Science and Technology, 2005, 6(2) : 142-145.

Hunt, J : Materials Science Forum, 2000. 331-337: p. 71-74
Samin : Journal of Materials Processing Technology, 2008. 201(1-3): p. 731-735
Burdett : Journal of Materials Science, 2000. 35(13): p. 3327-3335
Kennedy : Materials Science and Engineering A, 1997. 237(2): p. 200-206
Ho : Journal of Materials Processing Technology, 2006. 171(3): p. 411-416.

Effect of Hole Blocking Materials on the Performance of OLED SAMIRA Mehdi1,* 1Faculty of Science, University of Blida 1, University of Blida1, 09000 Blida, Algeria *email, samiramehdi011@gmail.com Keywords: OLED, Hole Blocking Material (HBM), Confinement, Energy Level, Luminance.
These holes blockings materials have different electron mobility and different hole-blocking barriers.
Ricks, Materials to Enable Future OLED Display Evolution, Inf.
Jou , Hole-transporting materials for organic light-emitting diodes: an overview, J.
Hsu, Y.Chen, Hole-Buffer Material Derived from Pyrene, Schiff Base and Tris to Enhance Emission Efficiency of Polymer Light-Emitting Diodes, Journal of Materials Science and Chemical Engineering, 6 (2018) 31-46

Fig. 8 The Graph showing the relationship between Actual Vs Theoretical in Aluminum product Fig. 9 The Graph showing the relationship between Actual Vs Theoretical in Mild Steel product Fig. 10 The Graph showing the relationship between Mild Steel and Aluminum References [1] Daw-Kwei Leu, Chung-Ming Hsieh, The influence of coining force on spring back reduction in V-die bending process, journal of materials processing technology 196 (2008) 230–235
Zimniak, The system for sheet metal forming design of complex parts, Journal of Materials Processing Technology 157–158 (2004) [3] J.
Zimniak, The system for sheet metal forming design of complex parts, Journal of Materials Processing Technology, 157 – 158 (2004) [4] W.M.
Rao, Influence of material properties on sheet metal formability limits, Journal of Materials Processing Technology 48 (1995) 35-41
Gorji, The study of spring-back of CK67 steel sheet in V-die and U-die bending processes, Materials and Design 30 (2009) 2410–2419.

International Journal of Mechanical Sciences, Vol.39(1997),p.289
International Journal of Mechanical Sciences, Vol.42(2000),p.49
International Journal of Mechanical Science, Vol.39(1997),p.1199
Journal of Materials Processing Technology, Vol.184(2007),p.224
Journal of Material Processing Technology, Vol.168(2005),p.194

This materials were cut in to 200 mm width, and 200 mm length, with 30° the cutting angle for one side of the materials.
Meanwhile, materials that have a fine grain structure tend to have a lower impact strength.
Series: Journal of Applied Sciences, Management and Engineering Technology, Vol 1, Issue 2, 2020. 40–45
Materials Science and Engineering. 2011.
International Journal of Advanced Technology in Mechanical, Mechatronics and Materials (IJATEC) Vol. 01, No. 1 (2020)32-38 https://doi.org/10.37869/ijatec.v1i1.12