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New materials are considered for incorporation into automobile designs to reduce the vehicle weight.
Various lightweight materials have been utilized in automotive industry for instance aluminum alloys and foams.
Table 1: Mechanical properties of AA6060 T4 [2] Material r [kg/m3] E [N/mm2] n sy [N/mm2] su [N/mm2] ef AA6060 2700 66820 0.28 91 175 0.22 Table 2 provides general stress-strain relationship for arbitrary foam density that is used for the modeling of aluminum foam.
Hopperstad: International Journal of Mechanical Sciences Vol. 44 (2002), p. 1965 [3] S.
Li: Materials and Design Vol. 30 (2009), p. 2024

In water flow movement similar conditions, the velocity scale of the Freund's similarity and resistance similarity is inconsistency, and the flow resistance is the function of bed material grain size and flow intensity.
The following equation is suggested for cohesive model sediment, that is: （6） Cohesive model sediment can still use formula (5), model sediment incipient motion velocity is not only related with and D, but also related with the physical and chemical properties of materials, formula (5) and formula (6) can only be used to estimate, finally need to be confirmed by flume experiment.
On the other hand, the model sediment, the model materials and the geometry scale are more restricted, which result in the design being very difficult.
Yue, Journal of Waterway and Harbor, 30(1), (2009)，p.31-36 (in Chinese)
Beijing: China Environmental Science Press, (1992), (in Chinese)

Terusan Jenderal Sudirman PO BOX 148, Cimahi, Indonesia 2 Department of Dental Materials Science and Technology, Faculty of Dentistry, Padjadjaran University, Jl.
Materials and Methods Preparation of CO3Ap and Silica-Calcium Phosphate Composite Powder.
The high mechanical strength for cement samples in group 2 and 3 is associated with the high contents of SCPC component in the two materials.
Transformation of Apatite Cement to B-Type Carbonate Apatite Using Different Atmosphere, Key Engineering Materials, (2016), vol. 696, pp. 9-13
Recent Advances in pulp capping materials: An overview, Journal of Clinical and Diagnostic Research, (2014), 8(1), p. 316-321.

Conclusion All experimental materials have comparable main structural components.
Alexa, Development of metal matrix composites using recycled secondary raw materials from aluminium wastes, Materials Today: Proceedings, 45 (2021) 4143-4149
Dahle, The effect of Fe-rich intermetallics on crack initiation in cast aluminium: An in-situ tensile study, Materials Science and Engineering: A,756 (2019) 502-507
Proceedings 29th International Conference on Metallurgy and Materials (2020) 1174-1180
Taylor, Iron-Containing Intermetallic Phases in a Al-Si Based Casting Alloys, Procedia Materials Science 1 (2012) 19-33.

The whole nation system professional team has huge resource advantage by centralizing the manpower, material and financial resources nationwide.
This kind of mode has the advantage of centralized and effective deployment of human and material resources, financial resources, which can lay a solid foundation for the Chinese professional golf sports reserve personnel training, and actively mobilize more social participation to golf.
Gradually build a golf athletes training system with physical education combination, science and training combination training, training and security combination.
Gradually form science content selection and training system combined with the physiological, psychological, physical brain function, sports nutrition, and sports rehabilitation.
Journal of Chengdu Sport University, Vol.31 (5) (2006) , p. 53-57

Farms use the arched more than the other due to its better absorption of the sunray for crops and lower canopy material costs (for the same level projective planes, round square surface area than small).
(4) When choosing materials, we should take local economic development and other factors into consideration, in general, because we usually take the nearest subjects conveniently.
Chinese Academy of Sciences, 2004,19 (5): 347 ~ 351.
Inner Mongolia Forestry Science and Technology, 2002, (3): 1213.
Journal of China Agricultural University, 2002, 7 (4): 30-33.

Materials Science and Engineering of Powder Metallurg, 2005, 1:10-20.
Materials Science and Engineering of Powder Metallurgy, 2005, 1:1-9.
Journal of Materials Processing Technology, 2003, 143-144: 886-890
Journal of Materials Technology, 2001, 116: 67-71
Mechanical of materials [M].

All sciences, which are related to the engineering, use widely sensors, in their applications[1-3].
For this reason, it is indispensable and necessary, firstly to carry out a simulation that can calculate at any point in spacecraft any kind of magnetic field (AC or DC), which is produced by electric dipoles generated by electric equipment (eventually by heating them) or by magnetic dipoles, as the result of hard or soft magnetic materials.
Magnetometers that are based on magnetic materials and magnetic effects, such as the magneto-resistance effect, the magneto-impedance effect and inductive techniques manage to measure small field variation or field gradient.
Vlachos, SelfCalibration Techniques of Underwater Gamma Ray Spectrometers, Journal for Environmental Radioactivity 82, 21 (2005)
Ktena, Magnetostriction and magnetostrictive materials for sensing applications, J.

Journal of Basic Physical Research, (2012) 73 -75
Hara, Utilization of Rice Husk Ash for Calcium Silicate Lightweight Building Materials.
International Journal of Minerals, Metallurgy and Materials, 252 (2012)
Materials and Design, (2012) 1 – 7
Department of Earth and Ocean Sciences, University of Liverpool, (2005) 1- 20.

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Materials Science Forum，Vol.396-402(2002),p1437-1442 [4] Miljana Popovic, Endre Romhanji.Journal of Materials Processing Technology，Vol. 125-126 (2002),p275-280 [5] Jones R.H,Vetrano J.S,Windisch Jr.Corrosion，Vol.60(2004),p1144-1154 [6] XU Gang, CAO Chu-nan, LIN Hai-chao.Corrosion Science and Protection Technology, Vol.10（1998）,p321-326 [7] Burleigh T.D.Corrosion, Vol47(1991),p89—98 [8] ZHU Wu-yang.