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Characterization of Fiber Bridging in Mode II Fracture Growth of Laminated Composite Materials K.N.
Le: Journal of Composite Materials Vol. 29 (1995), p. 833 [7] T.K.
O'Brien in: Composite Materials: Fatigue and Fracture: 7th Volume, ASTM STP 1330 (1998), p. 3 [8] Z.
Pipes, R.B.: Journal of Composite Materials Vol. 20 (1986), p. 594 [10] J.A.
Street, in: Delamination and Debonding of Materials, edited by W.S.

Material and Methods Materials.
The flow curves for the materials were measured by compression tests at IBF (Figure 2).
Darabi, Investigation on formability of three-layer joined Al/Cu/Al sheets annealed at different temperature, Materials Science and Technology 36 (2020) 1476–1486
Yeung, Effect of rolling temperature on interface and bond strength development of roll bonded copper/aluminium metal laminates, Journal of Materials Science 34 (1999) 277–281
Wang, Effect of annealing and cold rolling on interface microstructure and properties of Ti/Al/Cu clad sheet fabricated by horizontal twin-roll casting, Journal of Materials Research and Technology 16 (2022) 530–543

The author would like to thank Institute of Materials Science (IMS) of the National Center for Scientific Research “Demokritos” for their support with experiments and theoretical questions.
Hristoforou, Non-destructive evaluation of magnetic metallic materials using Hall sensors, Journal of Materials Processing technology, 161, p. 359-362, 2005 [6] K.
Ktena, Magnetostriction and magnetostrictive materials for sensing applications, J.
Hristoforou, Investigation of magnetic, mechanical and microfailure behavior of ARMCO - type low carbon steel corroded in 3.5% NaCl - aqueous solution, Materials Science and Engineering A, MSEA-D-13-00774, accepted 2013 [16] A.
Wang, A review of three magnetic NDT technologies, Journal of Magnetism and Magnetic Materials, 324, p. 382–388, 2012 [18] D.C.

Experimental Study By Using Drilling Core Materials Inversion Formation Rock Fracture Toughness Test Research Lun Zhu Northeast Petroleum University , Daqing, 163318, China Mnvu7580@gmail.com Keywords: fracture toughness;hydraulic fracturing ;parameter inversion ;rock mechanics Abstract.
Chinese Journal of rock mechanics and engineering rock fractal crack hydraulic fracturing method. 2009 (S1) [2] Chen Zhi, Chen Mian, Jin Yan, Huang Rongzun.
Chinese Journal of rock mechanics and engineering, 1997 (01) [3] Irwin，G.
Journal of Applied Mechanics . 1957 [4] Clifton RJ，Simonson ER，Jones AH，Green SJ.
J. of Petroleum Science and Engineering . 2002 [7] S.

Journal of Nuclear Materials, 2013, 432(1-3): 102–112
Journal of Materials Processing Technology, 2006, 173(3): 359–367
Journal of Materials Processing Technology, 160(2): 221–228
Materials Science and Engineering: A, 2005, 394(1-2): 238–248
Journal of Materials Processing Technology, 2007, 183: 77–87

In order to overcome these shortages of cement, limestone powder and fly ash are regarded as mixed materials and with clinker to form tri-cementitious materials.
The particle size distributions of these materials are shown in Table 1.
It means that the ratio of mixed materials should be appropriate.
Fig. 3 Effect of dosages of mixed materials on flexural strength Fig. 4 Effect of dosages of mixed materials on compressive strength Increasing of dosages of mixed materials will decrease flexural strength and compressive strength.
[4] Lu Shenming, Jiang Yuechuan, Journal of Zhengzhou University (Natural Science), 29, No.4 (2008) 86 (in Chinese)

The materials used in the paper is 3201 vinyl ester resin, tensile-strength is 78 MPa, tensile modulus is 2.9 GPa, anti-bending strength is 119 MPa, anti-bending modulus is 3.2 GPa, and viscosity coefficient is 310-620 mPa•s.
Pantiuk: Journal of composites materials.
Hochard: Mechanics of Materials.
[4] Kwon, YW, Kim, DH, Chu, T: Journal of Materials Science.
[8] Hou T Y, Wu X H: Journal of Computational Physics.

Experimental Details Materials.
ICT1210), and Science Foundation of State Key Lab of Silicon Materials (project No.
Ensafi: Materials Science and Engineering C Vol.37 (2014), p.113 [8] L.
Kumar: Journal of Membrane Science Vol.454(2014), p.359 [20] S.
Yang: Journal of Colloid and Interface Science Vol.418(2014), p.171 [31] R.

These composite materials undergo various loading conditions during their service life such as impact loadings condition.
Table 2 shows the mechanical properties of these materials.
Ziliukas: Experimental Research of the Impact Response of E-Glass/Epoxy and Carbon/Epoxy Composite Systems, Materials Sciences, Vol. 16, No. 4, (2010), p. 324-329
Rajesh Mathivanan, J, Jerald: Experimental Investigation of Woven E-Glass Epoxy Composite Laminates Subjected to Low-Velocity Impact at Different Energy Levels, Journal of Minerals & Materials Characterization & Engineering, Vol. 9, No. 7, (2010), p. 643-652
:Tensile Property of Hand Lay-up Plain-weave Woven e-glass/polyester Composite: Curing Pressure and Ply Arrangement Effect, Journal of Borneo Science ,Vol. 19, (2006), p. 27-34

Rather than developing calcined clay addition or substitution to ordinary Portland cement [5] or to fly-ash based alkali activated materials [6], as suggested by literature, we dedicated this experimental work to the identification of the potentiality of three different clayey waste materials for alkali activation.
Materials The clayey waste materials used as aluminosilicate source, are a mining by-product, supplied by Sibelco Italia S.p.A. with different mineralogical composition and belonging to three types of clay: halloysitic (HC) and kaolinitic (KC), belonging to the kaolin 1:1 clay group, and smectitic/illitic (SC), belonging to the illite 2:1 clay group.
Chemical and Mineralogical composition of aluminosilicate materials.  
[5] Jaskulski R., Jóźwiak-Niedźwiedzka, D., Yakymechko, Y., Calcined clay as supplementary cementitious material, Materials, 13[21] 2020, Article number 4734, Pages 1-36
Romagnoli, Artificial neural networks test for the prediction of chemical stability of pyroclastic deposits-based AAMs and comparison with conventional mathematical approach (MLR)”, Journal of Materials Science, 56 (2021) 513–527