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Global environmental concerns, green technology and eco-friendly raw materials that are generally more abundant leads researchers to use natural fiber as a solution of this problem.
Materials and Composites Preparation Fibers.
Selection of these resins in this study was made due to their easy availability and common use as construction materials.
Nuruddin, Strengthening of RC Beams with Large Openings in Shear by CFRP Laminates: Experiment and 2D Nonlinear Finite Element Analysis, Research Journal of Applied Sciences, Engineering and Technology, 4 (2012), 1172–80
[24] ASTM D3039, Standard Test Method for Tensile Properties of Polymer Matrix Composite Materials, ASTM International, West Conshohocken, United States, 15, 2002

The value of B / G’ is a criterion which allows the separation between the ductility and the fragility of the materials.
Qin, Computational Materials Science 50 (2010) 203-210
Srivastava, Advances in Materials Physics and Chemistry 6 (2016) 47-53
Daoud, International Journal of Physical Research 5 (2017) 14-16
Bioud, International Journal of Physical Research 2 (2014) 50-55

When the thickness ratio is less than the LTR and the strength ratio is less than LSR, plastic deformation would occur in both materials.
The above equation provides the relationship of the stress state in materials A and B for the given thickness ratio.
Hence, the LTR and LSR can be obtained as (6) The LTR depends upon the tensile strength in the lesser thickness material and the yield strength in the greater thickness material while the LSR depends upon the thickness ratio of two materials [10].
[9] He, S., Wu, X., and Hu, S.J., Formability Enhancement for Tailor Welded Blanks Using Blank Holding Force Control,Journal of Manufacturing Science and Engineering, Vol. 125, pp. 461-467,(2003)
Zhou, Formability Analysis of Diode-Laser-Welded Tailored Blanks of Advanced High-Strength Steel Sheet, Metallurgical and Materials Transactions A, Volume 40A, (2009), pp. 1955-1967

The materials studied were plain carbon steels with different Mn contents, and microalloyed steels with Nb, Ti and/or V additions.
For the integration in Eq. 1 the origin of time (t = 0) is set when the material temperature drop below the equilibrium Ae3 line.
Kotler: Journal of Applied Physics Vol. 41 (1970), p. 4404
Pérez: Materials Science & Technology 2003 and 45th MWSP Conference Proceedings, Vol.
Gladman: The Physical Metallurgy of Microalloyed Steels (The Institute of Materials, 1997).

The work piece material uses SKH 51.
Xue: Journal of Materials Processing Technology 116 (2005), p.165-172
Hocheng: Using Borer-Shape Electrode in Electrochemical Smoothing of Holes, Materials Science Forum Vol.505-507 (2006), p.793-798
Pa: Design of Forming Sheet Electrodes in Electrochemical Finishing of ZDC2 Castings Surface, Materials Science Forum Vols. 532-533 (2006), p.965-968
Pa: Design of Completely Inserted and Feeding Electrode for Female Screw in lectrochemical Finishing, Key Engineering Materials Vols. 329 (2006), p.231-236

Nowadays, the pultruded products are taking the places of traditional materials in many because of their high performances [1-3].
Fiber Bragg grating (FBG) sensor, which is tiny and has good compatibility, is widely used in the detection of temperature and strain in some kinds of unfriendly conditions[15,16], especially in composite materials.
In order to acquire the centerline temperature of CFRP rod, the encapsulated FBG sensor was put into the center of cross section and followed the raw materials passing through the die.
Martin, Pultruded composites compete with traditional construction materials, Reinforced Plastics Vol. 50 (2006), P. 20 [3] R.
Ruan, Prediction of the flow stress of high-speed steel during hot deformantion using a BP artificial neural network, Journal of Materials Processing Technology Vol. 103 (2000), P. 200

Due to these interesting properties, CNT can play a significant role in the fields of nanotechnology, electronics, optics and materials science.
CNT/ Al matrix composites with enhanced strength have been highly attractive, which can be suitable structural materials in aerospace and automobile industries.
Materials characterization.
Xu, Hot Deformation Behavior and Intrinsic Workability of Carbon Nanotube-Aluminum Reinforced ZA27 Composites, Journal of Materials Engineering and Performance; 26(4): 1967-1977 (2017)
Kawasaki, Investigation of carbon nanotube reinforced aluminum matrix composite materials.

Young, Materials characterization, 49 (2002) 11-21
Liu, Materials & Design, 32 (2011) 4010-4016
Khosravi, Materials & Design, 34 (2012) 65-73
Le May, Materials characterization, 49 (2002) 219-229
Khosravi, Materials & Design, 33 (2012) 476-484.

Quarterly Journal of the Royal Meteorological Society, 109: 365～378
Proceedings of the Marine Biotoxin Science Workshop, Vol. 15. pp. 165−173.
Algal Blooms along the Coastline of China, (Beijing: Science Public House)
Marine Environmental Science, 22(2): 60～63
Journal of Human and Ecological Risk Assessment, 7, 1363−1368

Construstion and Building Materials, 25(2011):3782-3789
Materials Review, 23(2009):80-84
Construstion and Building Materials, 23(2009):1954-1959
Test methods of inorganic non-metallic materials.
Journal of Building Materials, 8(2005):215-221.