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.; Suarez, Pd 1University of Seville, School of Engineering, Chemical and Environmental Engineering Department, Camino de los Descubrimientos s/n 41092, Seville (Spain), (0034-954481180, Fax: 0034-954486082) 2University of Seville, School of Engineering, Chemical and Environmental Engineering Department, Camino de los Descubrimientos s/n 41092, Seville (Spain), (0034-954481379, Fax: 0034-954486082) 3, 4University of Seville, School of Engineering, Chemical and Environmental Engineering Department, Camino de los Descubrimientos s/n 41092, Seville (Spain), (0034-954487278, Fax: 0034-954486082) ayluna@etsi.us.es, bpereira@etsi.us.es, ccarmenmaria83@hotmail.com, d patriciaxd@hotmail.com Keywords: geopolymers, fly ash, blast furnace slag, compressive strength, acid attack Abstract This paper analyzes the influence of an extra calcium source (added as blast furnace slag) on certain properties of fly ash based geopolymers using sodium silicate as activating solution.
Departament of civil engineering.

The problems of natural or forced or mixed convection flow of working fluids have numerous engineering applications.
The convective boundary conditions have many applications in industrial and engineering processes, including transpiration cooling process, material drying, etc.
Makinde, Mixed convective magnetohydrodynamic flow in a vertical channel filled with nanofluids, Engineering Science and Technology, an International Journal, 18(2) (2015) 244-255
Khan, Unsteady MHD Falkner-Skan flow of Casson nanofluid with generative/destructive chemical reaction.Chemical Engineering Science, 172 (2017) 694–706
Makinde, Magnetohydrodynamic stagnation point flow of a power-law nanofluid towards a convectively heated stretching sheet with slip, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 230(5) (2016) 345-354

Al-Khafaji3 1&2University of Babylon/Department of Metallurgy Engineering/Babylon, Iraq 3Al-Furrat Al-Awsat Distribution Foundation\Ministry of Oil\Babylon, Iraq 3Al-Mustaqbal University College/Department of Engineering/Babylon, Iraq Mat.newal.mohammed@uobabylon.edu.iq Keywords: composite coating, electroplated, corrosion, nanoscale and microhardness Abstract.
Burakowski, Surface Engineering of Metals Principles, Equipment, Technologies, CRC Press LLC, New York, Washington, DC, 1999
Radhi, Investigation some properties of (Zn-Ni-SiC) composites coating on low carbon steel, The Iraqi Journal for Mechanical – and Materials Engineering, 2018
Graham, Electroplating Engineering Handbook, p.198.
Ahmed, The effects of uniform transverse magnetic field on local flow and velocity profile, International Journal of Civil Engineering and Technology (IJCIET), 7 (2) March-April, 140–151, 2016

Mortar is one of the essential materials in construction engineering, its components include cementitious materials, mineral admixture, fine aggregate, water, and admixture, etc.
This shows that the established model is accurate and effective, which can provide a reference for the practical engineering application of premixed dry-mixed mortar proportion of iron tailing sand.
Key Engineering Materials, 2023, 944: 231-246
Journal of Hebei Institute of Civil Engineering, 2015,33 (4) 1-4
Advances in Engineering Software, 2023, 180: 103454

Usually, an engineering structure should refuse to adopt a component with macrocrack.
Wang, A new prediction model of steady state stress based on the influence of the chemical composition for nickel-base superalloys, Materials Science and Engineering: A 527 (2010), 4373-4382
Wang, Experimental study on creep-fatigue interaction behavior of GH4133B superalloy, Materials Science and Engineering: A 515 (2009), 183-189
Chinese Journal of Mechanical Engineering 47[6] (2011), 92-100
Chinese Journal of Mechanical Engineering 47[18] (2011), 55-66.

Impact Response of Reinforced Concrete Columns with Different Axial Load under Low-Velocity Impact Loading Warakorn Tantrapongsaton1,a and Chayanon Hansapinyo2,b 1Department of Civil Engineering, Chiang Mai University, Thailand 2Center of Excellence in Natural Disaster Management, Faculty of Engineering, Chiang Mai University, Thailand awarakorn_tan@cmu.ac.th, bchayanon@eng.cmu.ac.th Keywords: Reinforced concrete column, Prestressed concrete, Impact load, Axial load.
Ando: Impact behavior of shear-failure-type RC beams without shear rebars, International Journal of Impact Engineering.
Soeun: Impact response of rein-forced concrete beam and its analytical evaluation, Journal of Structural Engineering (ASCE).
Liu: Experimental investigation and improved FE modeling of axially-loaded circular RC columns under lateral impact loading, Engineering Structures.
Part 1, Engineering Structure.

This excellent strength-to-weight ratio of sandwich materials with both honeycomb and foam cores can be used in a variety of engineering considerations for higher speed, longer range and greater payload capacity or reduced power demand, all of which are extensively exploited in various fields (aerospace and maritime applications), including military and civil manufactory [5, 6].
Inserts thermal coupling analysis in hexagonal honeycomb plates used for satellite structural design, Applied Thermal Engineering. 67 (2014); 352-361
Thermally induced vibration of composite solar array with honeycomb panels in low earth orbit, Applied Thermal Engineering. 71 (2014); 419-432
Materials Science and Engineering 700 (2019) 012017
Materials Science and Engineering 197 (2017) 012046

Wood is the only biological material with a variety of industrial and engineering applications from times immemorial.
It has been a suspicion that only some well dried more-favorable species were used preferably and that the surfaces were coated with various preservatives discussed below (all without any formal engineering understanding).
Of the many types of joints possible, metal connectors, wooden dowel discs, various types of bolts and screws, different types of nail-jointed schemes have found success in timber engineering practices, especially for long span structures.
New York Journal of Structural Engineering American Society of Civil Engineers, Vol. 117 (1) (1991) [11] Youngquist J.A: Wood Based Panels, Their Properties and Uses, Proceedings Expert Consultation F.A.O. 116, 14, Rome, Italy (1987) [12] Narayanamurthi, D. et. al: Cold Setting Cashew-Nut Liquid Adhesive,(1958) and Cashew Shell Oil-formaldehyde Resin: Rheologica Acta 1(4-6) Berlin, (1961) [13] Pizzi, A: Advanced wood Technology, Marcel Dekker.
News Line 6, 4(2007) [26] Rametsteiner, E: Gerhard Weiss: Forest Policy and Economics, (8), 691-703, (2006) [27] Marra, G: Overview of Wood as Material, Journal of Educational Modules for Material Science and Engineering, 1(4) 699-710, (1979) [28] Dinwoodie.

Radwan1,c 1 Dept. of Manufacturing & Industrial Engineering, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Skudai, Johor, MALAYSIA aarash_azn@yahoo.com, bhamidon@fkm.utm.my, cashrafhar@yahoo.com Keywords: Non-conventional machining process; VIKOR; ANP; DEMATEL; Multi-criteria decision making Abstract.
It has been seen that engineers sometimes fail to choose the optimal process due to lack of in-depth knowledge about all available approaches [5,6].
Bearing these factors in mind, this paper has sought to develop an expert system to assist engineers to accurately select the most suitable NCMPs for generating a specific shape feature on a specific workpiece material.
Opricovic, Multicriteria optimization of civil engineering systems, Faculty of Pennsylvania, 1998
Crowson, The Handbook Of Manufacturing Engineering: Parts Fabrication Principles and Process, Taylor & Francis Group, Florida, 2006 [21] H.

Lavras/MG, Brazil 3Wood Industrial Engineer of Alena Lumbermill.
Because it is cylindrical and hollow, connection between pieces and the difficulty of standardizing components represent one of the most limiting factors for its application in civil engineering and the production of furniture and other objects.
This increase may be attributed in part to the growing production of “engineered” flooring, which has gained wide acceptance due to its quality.
Engineered floor is a product made of reconstituted wood panels covered with decorative wood laminate or melamine paper.
Schniewind: Concise Encyclopedia of Wood and Wood-Based Materials, Materials Science and Engineering, MIT Press, (1989), 374 p