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Raynaud 3 1 Laboratoire des Etudes de Matériaux d'Electronique pour Applications Médicales (LEMEAMED), Faculté des Sciences de l'Ingénieur, Université Mentouri de Constantine 2 Laboratoire de Microsystèmes et Instrumentation (LMI), Faculté des Science de l'Ingénieur, Université Mentouri de Constantine 3 Laboratoire Plasmas et Conversion d'Energie (LAPLACE), Université Paul Sabatier, 118 route de Narbonne - 31062 Toulouse - France a email : g_noubeil@yahoo.fr Keyword: Humidity sensors; porous material; HMDSO; plasma polymerization Abstract.
Introduction Much research has been focused on the development of humidity sensitive materials.
Humidity sensors have been developed using different sensing materials such as ceramic, polymer and porous silicon [3].
Twomey, Microelectronics Journal Vol. 33 (2002) 213-220 [7] Z.

The primary dyed material was wool.
Indigo was the most important of the natural colouring materials in this group during the ages, as well as woad and the Tyrian purple.
When the contents of the vat turn green, dye material by shorts dips.
References [1] Cardon Dominique: Natural dyes- Sources, Tradition, Technology, Science (Archetype Publications Ltd, London 2007)
Gleba and U Mannering: Journal of Archaeological Science Vol. 36(2009), p. 1910-1921

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Lampert: Solar Energy Materials and Solar Cells Vol. 54 (1998), p. 147

Methodology Materials.
Journal of Functional Biomaterials, 9, 2018
Progress in Polymer Science, 37(1):106–126, 2012
International Journal of Biological Macromolecules, 239:124275, 2023
International Journal of Molecular Sciences, 23(16):9035, 2022

Nowadays, by increase in using structural materials, the high temperature properties of these materials are became an important issue within different aspects of engineering.
[3] De Van JH, Tortorelli PF, Behavior of iron aluminides in oxidizing and oxidizing/sulfidizing environments, Materials Science and Engineering A, 153 (1992) 2, 573-577, doi:10.1016/0921-5093(92)90253-W [4] Tortorelli PF, Natesan K.
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Svoboda, Investigation on New Creep and Oxidation Resistant Materials, Materials and technology, 49 (2015) 4, 173-179, doi:10.17222/mit.2014.210 [7] O.
Pareja, Microstructure and mechanical behavior of ODS and non-ODS Fe-14Cr model alloys produced by spark plasma sintering, Journal of Nuclear Materials, 436 (2013) 5, 68-75, doi:10.1016/j.jnucmat. 2013.01.331 [9] M.

Materials and Experimental Methods 2.1 Raw materials The used starting materials were two kaolinite-rich clays (Kaol-1 and Kaol-2) and kaolinite-montmorillonitic-rich clay (Kaol-mont) from Thailand.
Characteristics of starting materials Chemical compositions of Kaol-1, Kaol-2 and Kaol-mont are shown in Table 2.
Lime-calcined clay materials with alkaline activation: Phase development and reaction transition zone.
Journal of Colloid and Interface Science, 339(1), 103–109
Construction and Building Materials 211 (2019) 814–823

They are low density materials possessing high specific properties [1].
Experiment Material.
The average delamination factor and S/N ratio for both the materials, at entry and exit side, were calculated.
E., Campos Rubio, J.C., Reis, P. and Paulo Davim, “Drilling of fiber reinforced plastics: A review,” Journal of Materials Processing Technology, 186, p. 1. 2007 [11] Douglas C.
[12] N S Mohan, S M Kulkarni and A Ramachandra, “Delamination Analysis in drilling Process of Glass Fiber Reinforced Plastic (GFRP) Composite Materials,” Materials Processing Technology 186(2007) 265-271

Due to the high hardness of the coatings, Electro Discharge Machining (EDM) and abrasive processes are recommended for machining such materials [3].
The authors thank Peter Hollingsworth and Leif Hagen from the Chair of Materials Engineering (LWT) at the TU Dortmund University, Germany, for preparing the machined coatings.
Zhong, Machining of thermally sprayed WC–Co coatings, Materials and Manufacturing Processes 16 (2001) 1:103-112
Kirsch, Kinematic simulation of high-performance grinding for analysis of chip parameters of single grains, CIRP Journal of Manufacturing Science and Technology 5 (2012) 3:164-174
Biermann, Grinding process simulation of free-formed WC-Co hard material coated surfaces on machining centers using poisson-disk sampled dexel representations, CIRP Journal of Manufacturing Science and Technology 7 (2014) 2:168-175

Moreover, the limit strains of CFRP (1.1%)[8] and adhesive (2.4%)[9] are not compatible, thus hindering the easy coordination of all the materials of the strengthened beam.
Experiment 2.1 Experimental Materials The CFRP bars (Nanjing Huahao Composite Material Company) have a diameter of 7.00 mm, a tensile strength of 2746 MPa, and an elasticity modulus in tension of 110.8GPa.
The load increase rate was not boosted with pre-stress and the number of materials in Tab. 2.
ACI Structural Journal, (1)60-68 [2] Ding Yahong, 2009.
The Strengthening and Deformation Behavior of Reinforced Concrete Beams Upgrade Using Pre-stressed Composite Plates[J]．Materials and Structures, 31: 247-258 [4] Hogue T et al, 1999.Myriad convention center floor system reinforcement .

For thermal and mechanical analyses, temperature dependent thermo-physical and mechanical properties of the materials are incorporated.
International Journal of Pressure Vessels and Piping, 2009(86) 769-776
Computational Materials Science, 2009(46) 987-995
Chinese Journal of Mechanical Engineering, 2006(42) 196-201
Materials and Design, 2009(30) 359-366