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Phase change materials (PCM) have played a vital role in the storage of thermal energy in various applications.
The present study compares the performance of two of the most commonly used phase change materials like Paraffin wax and Fatty acids which are organic.
Moreover, they have been found to be compatible with various kinds of materials of common use.
The various performance parameters like temperature variation during charging and discharging, heat absorbed and rejected and overall system efficiency are evaluated for these two materials and also for the combination of these two materials.
Hemachandra Reddy “Experimental Studies on Phase Change Material-Based Thermal Energy Storage System for SolarWater Heating Applications” Journal of Fundamentals of Renewable Energy and Applications, Vol 2, (2012) [7] Lavinia Gabriela SOCACIU “Thermal Energy Storage with Phase Change Material” Leonardo Electronic Journal of Practices and Technologies, Issue 20, (2012) p75-98 [8] K.Kavitha, S.Arumugam, “A Study on Phase Change Material (PCM) for Insitu Solar Thermal Energy Collection and Storage” International Journal of Innovative Research in Science, Engineering and Technology, Volume 4, Issue 2, (2015)

A Novel Nano-Water-Purifying Material W.
The Al nano-powder starting material, was prepared using an electric explosive technique.
Journal of Hazardous Materials, vol .B80 (2000), p.33 [2] Gaballah and G.
Journal of Geochemical Exploration.
Journal of Jilin University (science edition), Vol.43 (2004), p. 475 [5] Young-Soon Kwon, Yong-Hun Jung, N.A.Yavorovsky, A.P.Illyn and Ji-SoonKim.

It provides simple and natural answers to a number of questions at the border between mechanics of solids and materials science.
Van Swygenhoven: Materials Science and Engineering A 483-484 (2008) p. 33 [3] U.F.
Beygelzimer: Mechanics of Materials 37 (7) (2005) p. 753 [7] N.A.Enikeev, M.F.Abdullin, A.A.Nazarov, I.J.Beyerlein: International Journal of Materials Research 98 (3) (2007) p. 167 [8] I.
[in Russian] [31] Y.Beygelzimer, A.Reshetov, S.Synkov, O.Prokof'eva, R.Kulagin: Journal of materials processing technology 209 (2009 ) p. 3650 [32] R.Z.Valiev, R.K.Islamgaliev, I.V.Alexandrov: Progress in Materials Science 45 (2000) p. 103 [33] X.
Pippan: Materials Science and Engineering A 410–411 (2005) p. 345

Lnternational Journal of lmpact Engineering, 2007,34 (11):1814-1820
Journal of Applied Mechanics,1981, 48 (1) :25-29
Journal of Mechanical Engineering Science, 2004, 218(9) :1053 -1062
In: Proc. 2005 Joint ASME/ASCE/SES Conference on Mechanics and Materials (McMat 2005).
Polyzois, Finite Element Modeling of the Behavior of Armor Materials Under High Strain Rates and Large Strains, The University of Manitoba in partial fulfillment of the requirements of the degree of Master of Science,2010.

The Cu-Al2O3 composite materials applying for electrode materials were successfully synthesized by internal oxidation process.
The specific resistance of materials was determinded by comparative method, then calculating the conductivity of materials.
Li Guobin, Sun Jibing, Guo Quanmei, Wang Ru; Fabrication of the nanometer Al2O3/Cu composite by internal oxidation; Journal of Materials Processing Technology, 2005, vol.170, pp. 336–340
Park; Manufacturing of Cu-TiB2 composites by turbulent in situ mixing process; Materials Science and Engineering A 449–451, 2007, pp. 1018–1021
Hwang, Jin-hyung Lee; Mechanochemical synthesis of Cu–Al2O3 nanocomposites; Materials Science and Engineering A 405, 2005, pp. 140–146.

View of rock-destroying tool of tunneling machines (rotary cutters) with intensive abrasion wear of the case Heat treatment remains the key method for enhancing mechanical features of materials.
Influence of thermomechanical treatment on wear resistance of materials is studied insufficiently [13-18] and there is almost no data about its effects on abrasion wear resistance.
Experimental Technique and Materials Samples (Figure 2) made of 35KhGSA steel (1,11,4% Si; 0,8 1,1% Mn; 1,1 1,4% Cr), as a material of rock-destroying cutter cases, were subject to high-temperature thermomechanical treatment (HTMT).
Soltanalizadeh, Microstructural evolution and wear resistance of friction stir-processed AISI 52100 steel, Metallurgical and materials transactions A, 47 (2016) 3564-3572
[20] A.A.Naumov, Y.A.Bezobrazov, N.G.Kolbasnikov, E.V.Chernikov, Novel Physical Simulation Technique Development for Multistage Metal Plastic Deformation Processing, Materials Science Forum, 762 (2013) 62-69.

Tu: New Building Materials Vol. 7(2001), p. 10-12 [4] A.
Xu: Journal of Hazardous Materials Vol. 179(2010), p. 203-207 [7] Q.
Tao: Polymer Materials Science & Engineering Vol. 22(2006), p. 231-234 [11] W.
Sucharda: Journal of Composite Materials May Vol. 43(2009), p. 1109-1120 [21] Q.
Wu: Materials Review Vol. 23(2007), p. 112-115 [26] M.

LDHs and calcined LDHs type materials were able to uptake selected products.
These cost effective, eco-friendly materials revealed new opportunities for waste water treatment.
The high dye removal efficiency of calcined samples makes these materials excellent candidates to clear waters [16].
Journal of Hazardous Materials 254– 255 (2013) 221– 227
Zhao, Adsorption of arsenate on Cu/Mg/Fe/La layered double hydroxide from aqueous solutions, Journal of Hazardous Materials, 239– 240 (2012) 279– 288

Effect of Nanometer Far-infrared Materials on the Cleanability of Ceramic Glazes Lijuan Wanga, Jinsheng Liangb*, Wenbo Xuc and Daoyang Hand Institute of Power Source and Ecomaterials Science, Hebei University of Technology, Tianjin, 300130, China awljhh@yahoo.com.cn, bliangjinsheng@hebut.edu.cn*, cxuwenbo2009@gmail.com, dhandaoyang@163.com Keywords: nanometer far-infrared materials, ceramic, cleanability, hydrophilic property Abstract.
Nanometer far-infrared materials (NFIM) were doped into ceramic glazes to prepare easy-to-clean ceramic glazes，and the effect of NFIM on the cleanability properties was investigated.
NFIM was firstly composed of natural far-infrared mineral and ceramic materials in our lab for fuel activation and combustion-supporting [5].
Conclusions The cleanability of glazed surfaces was improved by doping nanometer far-infrared materials.
Danov,et al.: Journal of Colloid and Interface Science, (2003), 257: 357

Ružbarský, The impact of technological parameters of die casting to casting porosity, MM Science Journal 10 (2016) 1047-1050
Šmeringai, Dependence of hardness of continues die-casting products on Fe content, MM Science Journal 11 (2016) 1201-1204
Hatala, Cutting ceramic durability in machining process of bearings steel 100Cr6, MM Science Journal 10 (2016) 1060-1065
Krenický, Monitoring the condition of the spindle of the milling machine using vibration, MM Science Journal 11 (2016) 1227-1231
Mitaľ, Comparison of programming production of thin walled parts using different CAM systems, MM Science journal 10 (2016) 1056-1059