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There are many advantages of natural fibres over the synthetic and conventional fibres that offer an alternative materials due to low cost, renewability, biodegradability, low density and lightweight [1-5].
Experimental Material.
The materials used in this research are Casuarina equisetifolia (C.equisetifolia), unsaturated polyester resin, and methyl ethyl ketone peroxide (MEKP).
Aisha, "Effect of rice husks as filler in polymer matrix composites," Journal of Mechanical Engineering and Sciences, vol. 2, pp. 181-186, (2012)
Singh, "Water absorption and compressive properties of coconut shell particle reinforced-epoxy composite," Journal of Materials Environment Science, vol. 1,pp. 113-118, (2013)

Based on above studies and conclusion, in line with the materials of the drum and Fatigue characteristic parameters and appropriate fatigue lifetime prediction model, we analysis the fatigue performance, in the end get the distribution of the drum’s fatigue life and the life of plane of weakness.
is mean stress; is the tensile strength of materials.
The establishment of the finite element model and preliminary check The establishment of the finite element model Based on the structure paramete and rmaterial characteristics of the drum, we carry out modeling of the drum in three dimensions, and the model is transferred to the finite element analysis software, then setup materials, setup unit, meshing.
Effect of different size and orientation of rectangular rotary blades on quality of puddling[J].Journal of Terramechanics,2006,43: 191 – 203
[5]Gao Dongming,Wang Decheng,Wang Guanghui,Ma Xiaogang,Yuan Hongfang Fatigue life analysis of root cutting machine blade[J]Journal of Jiangsu University(natural science edition),2012,33:283-287.

Therefore, as the analysis of literature has shown, there is a lot of data about the regularities and peculiarities of g®α transformation in irradiated materials.
This method is used to study a wide range of crystalline materials and, in particular, to determine the microtexture, crystallite orientation and properties of grain boundaries [8,9].
Maksimkin: Abstract of doctoral dissertation, Almaty (1996) [2] J.Cole, S.Bruemer: submitted to Journal of Nuclear Materials (1995) [3] A.Hoffman, A.D.
Chelnokov: Bulletin of Kazakh Academy of Sciences, Ser.: Phys.
X Pan, J Stubins: submitted to Journal of Nuclear Material (2007) [10] O.P.

Experimental Materials.
Universal material testing machine operating at 500mm/min was used to determine the tensile property of ENR vulcanizates.
Zheng: Journal of Thermal Analysis and Calorimetry.
Te: Journal of Applied Polymer Science Vol. 74(1999), p. 2940
Te: Journal of Applied Polymer Science Vol. 77(2000), p.3234

The modern mechanical structures used for automotive and aerospace applications are often characterized by different materials.
The nature of these materials is suitable for many analytical solutions in order to determine their structural behaviour since one of the main characteristics of a composite product is to use the best performances offered by each materials constituting the product [1, 2].
Composite materials are characterized by different mechanisms of damage and breakage.
Armentani, Numerical and experimental investigation on the structural behaviour of a horizontal stabilizer under critical aerodynamic loading conditions, Advances in Materials Science and Engineering (2017) 1092701
Caputo, A review on analytical failure criteria for composite materials, AIMS Materials Science 4 (5) (2017) 1165-1185.

Introduction The physical and chemical properties of nanocrystalline semiconductor structures vary considerably from their bulk materials due to size effect.
Tong, Materials Letters.
Shi, Materials Science and Engineering B
Rosenthal, Materials Science and Engineering B.
Zhang, Materials Letters.

Thebault: Carbon Vol. 33 (1995), p. 525 [2] Yi Wang, Yongdong Xu, Yiguang Wang, Laifei Cheng, Litong Zhang: Materials Letters Vol. 64 (2010), p. 2068 [3] E.
Walker: Journal of the European Ceramic Society Vol. 30 (2010), p.2357 [4] Yongdong Xu, Yani Zhang, Laifei Cheng, Litong Zhang, Jianjun Lou, Junzhan Zhang: Ceramics International Vol.33(2007), p. 439 [5] K.
Kosmac: Journal of the European Ceramic Society Vol. 27(2007), p. 1211 [6] Chunman Zheng, Xiaodong Li, Yuxi Yu, Feng Cao: Polymeric Materials Science and Engineering (in Chinese), Vol. 21(2005), p. 6 [7] Qingsong Ma, Zhaohui Chen, Wenwei Zheng, Haifeng Hu: Ceramics International Vol. 31(2005), p. 305 [8] Xueqi Fan, Lai Chen, Shi Wu, Fengjun Zhang, Jiabao Zhang, Musu Ren, Jinliang Sun: Materials Science and Engineering, (in Chinese), Vol. 24 (2006), p. 920 [9] A.
Wielage: Carbon, Vol. 44(2006), p. 1994 [10] Guiming Song, Ying Wu , Houshan Bai , Yujin Wang, Yu Zhou, Tingquan Lei: Chinese Journal of Nonferrous Metals (in Chinese), Vol.10 (2000), p. 313 [11] J.
Penvecost: New York: Reinhold Publishing Corp, 1963:10 [12] Shi Wu , Lai Chen, Lin Qian, Jiabao Zhang,Jianfeng Pan, Chunjie Zhou, Musu Ren, Jinliang Sun: Journal of Chinese Ceramic society (in Chinese), Vol.36 (2008): p.973 [13] Guiming Song, Yujin Wang, Yu Zhou, Yingkui Guo, Guangwu Wen: Rare Metal Materials and Engineering, (in Chinese), Vol. 30(2001), p. 101

The activated carbon contains 85-95% carbon obtained from materials containing carbon and heated to high temperatures of about 500 ºC [11, 12].
The activated carbon is basically made from various materials that contain carbon, such as wood, bone, coconut shell, and sawdust residue.
Acknowledgment Full gratitude for the financial support provided by the Directorate of Research and Development of the University of Indonesia in the International Publication Indexed Grant (PUTI) program based on contract number NKB-1018 / UN2.RST / HKP.05.00 / 2020, and Postgraduate Program's support in Materials Science, University of Indonesia, for research facilities.
Kamdem, Characterization of palm kernel shell for materials reinforcement and water treatment, 5(May) (2014) 1–6
International Journal of Engineering Science and Technology, 3(12) (2011) 8238–8246

As for the high-strength aluminum alloy materials, the welding process currently is mainly the variable polarity TIG welding including the manual argon arc welding and the automatic argon arc welding[4].
Journal of Materials Science, 1995, 30:2277-2283
The Chinese Journal of Nonferrous Metals, 2002,12:11-15
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Chinese journal of material research ,1995(9):372-375

On the other hand, some non-Newtonian fluid materials are not elastic by nature.
The Casson fluid (CF) is one of the most extensively used non-Newtonian viscoelastic materials.
Alsulami, Unsteady thermal transport flow of Casson nanofluids with generalized Mittag–Leffler kernel of Prabhakar's type, Journal of materials research technology. 14 (2021) 1292-1300
Yarusso, The rheology and flow of viscoplastic materials, Reviews in Chemical Engineering. 1 (1983) 1-70
Khan, MHD pressure driven flow of nanofluid in curved channel, Journal of Magnetism Magnetic Materials. 393 (2015) 490-497