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Introduction Waterproof materials are widely used in clothing or industrial purposes, such as raincoats and tarpaulins.
The validity of the estimation method using nanofibers as porous materials has been recognized.
Hu: Structural characterization and mass transfer properties of nonporous segmented polyurethane membrane: Influence of hydrophilic and carboxylic group, Journal of Membrane Science, Vol. 274, Issue 1-2, pp. 219-226 (2006) [6] J.
Jin: Waterproof and breathable polyacrylonitrile/(polyurethane/fluorinated-silica) composite nanofiber membrane via side-by-side electrospinning, Journal of Materials Research, Vol. 35, Issue 9, pp. 1173-1181 (2020) [12] Wu, W., H.
UMEMOTO: Superhydrophobic Surface Made by Injection Molding of Polypropylene Material and its Application to Home Appliance Products, Journal of the Japan Society of Colour Material, Vol. 91, Issue 4, pp. 115-120 (2018) (in Japanese)

Additive Manufacturing of Metallic Materials, Journal of Materials Engineering and Performance. 27 (1), (2018) 1-13
Continuous functionally graded porous titanium scaffolds manufactured by selective laser melting for bone implants, Journal of the Mechanical Behavior of Biomedical Materials. 80, (2018) 119-127
Interaction of bone-dental implant with new ultralow modulus alloy using a numerical approach, Materials Science and Engineering.
Structured Materials. 81 (2018) 327-341
Porous Ti6Al4V alloys with enhanced normalized fatigue strength for biomedical applications, Materials Science and Engineering.

Klaus, Metal forming techniques for light weight construction, Journal of Materials Processing Technology, Volume 177 (2006), 2-7 [3] V.
Ivanov, Profiling of Rollers for Thread Rolling, Journal of Materials Processing Technology, Volume 59 (1996), 333-336 [4] A.
Journal of Materials Processing Technology, Volume 177 (2006), 617-620 [6] G.
Gilormini, Simulation of the cold-roll forming of circular tubes, Journal of Materials Processing Technology, Volume 95 (1999), 216-221 [7] S.
Kurimoto, Press formability of stainless steel and aluminum clad sheet, Journal of Materials Processing Technology, Volume 56 (1996), 242-253 [9] M.

The solution for the powder materials heating and melting problem is an important part of the technology that allows to control the micro structure and properties of the coating.
Numerical Study of Particle Heating in a Plasma Jet, Journal of Engineering Physics and Thermophysics, 2 (2017) 397-404
The analysis of melting and refining process for in-flight particles in supersonic plasma spraying, Computational Materials Science, 103 (2015) 8-19
Mathematical simulation of surface heating during plasma spraying, IOP Conference Series: Materials Science and Engineering, 1 (2017), article number 012057
Metallographic Study of Mesostructure-Ordered Plasma Ceramic Coatings, Key Engineering Materials, 743 (2017) 118-123.

(1) Comparison with other porous building materials.
References [1] D K Doran, Construction Materials Reference Book, Butterworth-Heinemann Ltd. (1990) [2] DA Lockington, J Y Parlange (2003), Anomalous water absorption in porous materials, Journal of Physics D-Applied Physics, Vol. 36, pp. 760-767
[4] Q Wang, K Ahmet, Y Yue and L Y Li, Determination of the unsaturated hydraulic diffusivity of porous construction materials from transient moisture profiles utilizing pin-type resistance sensor array, Journal of Materials Science.
[6] M A Wilson, A study of water flow in porous construction materials, PhD Thesis, The University of Manchester Institute of Science and Technology, 1992
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Microstructure Researches of Metallic Composite Foams Based on AlMg Alloys Oana Bălţătescu1,a *, Catalina Nuţescu1,b, Ioan Rusu1,c, Costel Roman1,d & Ioan Carcea1,e 1Technical University “Gheorghe Asachi” of Iaşi – Romania, Department of Materials Science and Engineering Blvd.
Abstract: Composite materials are the most advanced class of materials invented and produced by humans in modern times as well as a challenge for the future in the field of scientific and technological performance.
They are generally materials with unusual performances on the relationship between properties and specific gravity.
Stabilized Aluminum Foams (SAF) are new class of materials with low densities and novel physical, mechanical, thermal, electrical and acoustic properties.
Tăbăcaru, Overview of composite material technology with Si-C particles, reinforcement, International Journal of Modern Manufacturing Technologies vol 1, no.1, (2009), 57-62.

China 2 Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education, Guilin University of Technology, Guilin ,541004, P.
Kenneth: Journal of Power Sources Vol. 97-98 (2001), p. 681 [3] W.
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Huang: Materials Letters Vol. 17 (2008) , p.3010 [6] Z.
Amine: Journal of Power Sources Vol.168 (2007), p.501

The work materials studied include ferrous, non-ferrous and exotic material (XW42, Ti6Al4V, WC) and the tool electrode materials include the commonly used EDM tool materials namely tungsten, copper and graphite.
Since the main source of these particles is the eroded tool and workpiece materials, the erosion rate will depend on the electrode materials used.
Effect of tool electrode materials on surface roughness From Fig. 7 it can be seen that the surface roughness achieved by tungsten is the minimum among the tool electrode materials considered.
In the present study, since the work materials studied include ferrous, non-ferrous and exotic material and the tool electrode materials include the commonly used EDM tool materials, the results obtained are expected to be relevant for the micro EDM of common engineering materials.
[13] Erden, A., Effect of materials on the mechanism of Electric Discharge Machining (EDM), Journal of Engineering Materials and Technology, Transactions of the ASME, Vol. 105-2 (1983), p. 132-138.

Friction materials used in the automobile brakes can be classified into non-asbestos organic (NAO),semi-metallic and ceramic types.
The main problem in the development of brake material is what the materials are and how much they are mixed.
With the development of computer science especially artificial intelligent technologies some progress have been made in the fields of material processing and design.
Qi and H.M.Han:Journal of Materials Processing Technology,Vol.151(2004),p.126
[7] J.R.Cho and S.W.Shin:Composites Part A: Applied Science and Manufacturing, Vol.35(2004),p.585

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Srivatsan: Journal of Recent Research Developments in Materials Science and Engineering, ISBN: 81-7895-057-X, pp. 119-136, 2002. 28.