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Effective Elastic Properties of Hierarchical Honeycombs with Corrugated Sandwich Walls Omar El Khatib1,a,*, S.
The model employed deflections derived from sandwich beam theory specifically for a cantilever beam with thick walls and combined that with the mechanics framework by Malek et al. [9].
Detailed derivations of the model are available in El-Khatib et al. [8].
Wang et al., “Honeycomb structure is promising for the repair of human bone defects,” Mater Des, vol. 207, Sep. 2021, doi: 10.1016/j.matdes.2021.109832
El-Khatib, S.

Ouchte et al. [2] investigated the effect of thermal treatment on the mechanical properties of jute/epoxy.
Chafiq et al. [3] investigate the tensile behavior of basalt/glass/carbon/hybrid fiber composite.
Kumar et al [4] examined into the Effect of post-curing on the thermal and mechanical behavior of GFRP composites.
Ouchte, M.Ait El Fqih, J.
Ait El Fqih, Investigations of tensile behavior of basalt/glass/carbon/hybrid fiber composite, Materials Today: Proceedings. 52 (2022) 53-59

., Spokane, Washington US Keywords: DC casting, Al clad products, interfacial strength Abstract.
The only exception is that with deep draw quality Al-Mn core alloys, special practices are required to ensure that the Al-Si cladding is not re-melted during preheat.
Figure 4: Failure in bending of 4045/5754 2124/1200(0.2mm) STRETCH (%) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 YIELD STRENGTH (MPa) 240 260 280 300 320 340 360 380 YS-Long YS-Trans 2124/1200 (0.2mm) STRETCH (%) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 TENSILE ELONGATION (%) 16 17 18 19 20 21 22 EL-Long EL-Trans Fig.5: Tensile yield strength of Figure 6: Tensile elongation of AA1200/AA2124.

Fly ash has become increasingly wide range of applications in expressway as a new environment friendly material, its range of applications are from the CFG( Cement Fly-ash Gravel) pile of soft ground、 pavement admixture to embankment materials et al.
Store large amount of fly ash, not only occupy large areas of agricultural land、the dust generated serious pollute the atmosphere (REES and SIDRAK. 1956；Dreesden et al. 1977; Riekerk 1983; Wong and Wong 1986; El-Mogazi et al. 1988;Menon et el. 1990; Carlson and Adriano 1993; Singh and Yunus 2000)[1-8], but also pollute groundwater system in the storage areas, furthermore, if the wet slurry discharged into rivers and lakes, would be pollute the watercourses and then directly affects the growth of aquatic organisms (Rohrman 1971)[9], and finally destruct ecological balance.
Such as, the fly ash is suggested as replacements for soil as cover material in sulfidic mine tailings (Holmström, 2000) [11]; the fly ash can form durable sealing layers due to its self-hardening properties (Steenari et al.1999) [12] and can possibly prevent the formation of acidic drainage water due to its high alkalinity; the fly ash can also used as a building materials (Wesche, et al.1989) [13].
(3) Fly ash as a subgrade filling, it should be special emphasize process control in the construction, those control include good source of fly ash、water content、compacted layer thickness、pavement and rolling et al
Wong, Environ Pollute Ser, A 40(1986), p.127–144 [5] D.El-mogazi, D.J.

Abd El-Razik1,2,a Abeer A.
Al-Desouqi2,3,b, Nour K.
El-Shazly2,3,e 1Housing and Building National Research Center (HBNRC), P.O.
Organisation for Economic Cooperation and Development, (691), 38. 10.1787/18151973 [8] El-Menchawy, A., Bassioni, H., & Farouk, A.
Green advice: Reduce the summer heat - Egypt - Al-Ahram Weekly.

El-Daly and Hammad [14] developed by adding Ag and In into eutectic Sn-0.7Cu solder alloys the ultimate tensile strength and increased the yield stress to 215% and 255%, respectively, compared with commercial alloys.
On the other hand, Kim et al. [16] and Zhang et al. [17] reported that the melting temperature increased by adding antimony into lead free solder.
El-Tather: Mater.
El-Daly, A.E.
El-Daly and A.E.

Lee et al. 11 synthesized Ti3SiC2 by hot-pressing sintering, and studied the thickness of oxide layer of Ti3SiC2 in the oxidation atmosphere of 1173 K-1473 K for 100 h; The high temperature oxidation behavior of the Ti3Si(1-x)Al(x)C2 material was researched by Liu et al. ;12 Zhang et al. 13 reported the oxidation behavior and mechanism of Ti3SiC2/SiC composite oxidized in air atmosphere for 10 h; The effect of the hot-pressing temperature, the content and particle size of SiC on phase composition, density and stress-strain behavior of Ti3SiC2/SiC composites were investigated by Yin et al.; 14 Cai et al. 15 studied the phase composition and room temperature mechanical properties of Ti3SiC2/Al2O3 composite materials.
El-Raghy: 'Synthesis and characterization of a remarkable ceramic: Ti3SiC2', J Am Ceram Soc, 1996 , 79 (7) : 1953-1956
El-Raghy, S.
Ma: 'The high temperature oxidation behavior of the Ti3Si(1-x)Al(x)C2 material', Trans.
El-Raghy, Ogbujil: 'Oxidation of Ti3SiC2 in Air', J Electrochem Soc, South Korea, 1997, 144: 2508-2516

Yang, et al.: J.
El-raghy: Metall.
EL-RAGHY: Scripta Mater.
Liang, et al.: J.
Li, et al.: J.

The scaled El Centro 1940 earthquake data is used as input excitation.
Wu et al. [15] showed that a TMD of offshore can reduce vibration effectively.
Further, TMD was deployed in Burj Al Arab Jumeirah in order to minimize vibration due to wind [18].
Input excitations: (a) original El Centro 1940 earthquake data, (b) scaled data for 20 sec and (c) scaled data for 25 sec Herein the scaled El Centro 1940 is employed due to the existing laboratory setup.
The input excitation such as El Centro data remains same as experimental tests input (see Fig. 6) for the simulations.

Noranizah et al (2014) in their research work[9,10].
El-Egili, H.
El-Falaky, Osiris W.
Mardhiah et al, Advanced Materials Research 622-623(2013) 191-194 [9] A.
El-Egili, H.