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Thermal radiation effect becomes significant when the difference between the material and the ambient temperature is enormous.
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Animasaun, Bioconvection in MHD nanofluid flow with nonlinear thermal radiation and quartic autocatalysis chemical reaction past an upper surface of a paraboloid of revolution, International Journal of Thermal Sciences 109 (2016) 159-171
Animasaun, Thermophoresis and Brownian motion effects on MHD bioconvection of nanofluid with nonlinear thermal radiation and quartic chemical reaction past an upper horizontal surface of a paraboloid of revolution, Journal of Molecular Liquids, Journal of Molecular liquids 221 (2016) 733-743
Straughan (2010) Rotating porous convection with prescribed heat flux, International Journal of Engineering Science, 48(7/8) (2010) 685-692.

Therefore it has been always tried to compensate this disadvantage with different procedures in order to utilize the material strength reserves especially in higher strength materials.
The principles of x-ray analysis of residual stresses and materials are explicitly covered by Hauk [12].
In the concept local fatigue strength [17], the influence of residual stress on fatigue of materials in general has been taken into consideration.
Klaus, Residual Stress Field Measurements in Welds by Means of X-ray, Synchrotron and Neutron Diffraction, Journal of Materials Science and Engineering Technology 42(11) (2011) 996-1001
Barsoum, Fatigue design of welded structures-some aspects of weld quality and residual stresses, International Journal of Materials Joining, Welding in the World, No. 11/12, Vol. 55, 2011

Introduction Tautomer form Normal form S S fluo. 420nm S S fluo. 530nm Recent years nonlinear optical organic materials with large and fast nonlinear optical responses have received considerable attention [1~3], however, only a few the nonlinearilities of excited state proton transfer (ESPT) molecules are reported [4,5].
ESPT organic molecules are a good performance materials, and are promising for all optical switching and optical power-limiting applications in the future[6,7]. 3-hydroxyflavone (3-HF) is a kind of organic molecule with ESPT, and the efficiency of proton transfer is very high, the ESPT reaction takes place at an unresolvably rapid rate, so it is a very good candidates for the optical switching.
Acknowledgments This work was supported by National Natural Science Foundation of China (No.60178025) and the Foundation of Optoelectronic Information and Technology Laboratory, EMC.
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Increase in population increases the consumption rate of raw materials.
Cement is used to bind all the materials of concrete.
Yang, Self-healing in concrete materials, In Self-healing materials - An alternative approach to centuries of materials science ,Springer.(2007) 161–194
Bioengineered Concrete - A Sustainable Self-Healing Construction Material, Research Journal of Engineering Sciences. 2(2013) 45-51
[11] Van Tittelboom, Kim & De Belie Nele, Self-Healing in Cementitious Materials-A Review, Research Gate Materials. 6(2017) 2182-2217

European Journal of Mechanics A/Solids.
Computational Materials Science Vol. 44 (2008), p. 716-720 [3] Z.
Byrd Modelling and analysis of functionally graded materials and structures.
Advanced Materials Research Vols. 971-973 (2014) p. 516-533
European Journal of Mechanics A/Solids.

Better is to be filled with some reinforce materials or some auxiliary agents.
Experiment process materials All test sampls here were injection molded with raw materials as follows.
Composites Science and Techno- logy Vol.67(14) (2007), P.2959-2964 [3] Bishop SM.
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This is due to natural fibres being renewable sources of raw materials as they are abundantly available, easy to obtain, low cost and more environmentally friendly compared to synthetic fibres.
Materials and Methods Materials used for this work included KFM, polypropylene (PP), graphene nanoplatelets (GNP) and Polybond 3200 maleic anhydride grafted polypropylene (MAPP).
It is believed to be so as GNP nanofiller and KFM are stiff materials which have the effect of increasing the young’s modulus of the composites.
Kalaitzidou, Effect of exfoliated graphite nanoplatelets on the mechanical and viscoelastic properties of poly(lactic acid) biocomposites reinforced with kenaf fibers, Journal of Materials Science. 47 (2012), 3535-3543
Mohd Ishak, Mechanical and morphological properties of meranti wood flour filled polypropylene composites, Materials Science Forum. 840 (2016), 91-96.

Any irregularities in shape, materials, or the presence of cut-outs create localized stress concentration and reduce the capacity of the material to take loads.
A composite material is a material made from two or more constituent materials with significantly different physical or chemical properties while it has the characteristics different from the individual components.
[2] Milan Batista,On the stress concentration around a hole in an infinite plate subject to a uniform load at infinity, International Journal of Mechanical Sciences.53 (2011) 254–261 [3] D.K.
Mittal,Finite element analysis for stress concentration and deflection in isotropic, orthotropic and laminated composite plates with central circular hole under transverse static loading, Materials Science and Engineering. 98 (2008) 115–124
[6] Mihir M Chauhana, Dharmendra S Sharma,Stresses in finite anisotropic plate weakened by rectangular hole, International journal of Mechanical Sciences. 101(2015) 272-279

Ilker: International Journal of Materials Research ,Vol. 101 (2010), p. 431 [2] H.S.
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In ends, scanning speed has to be coordinated with extrusion speed for better surface quality, otherwise, resulting in excessive or insufficient materials, and consequently poor surface quality.
To improve surface quality, such measures should be adopted: ①post-treatment of parts such as burnishing and polishing etc.; ② using water-solubility or sour-solubility supports materials.
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