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For most materials, the thermal conductivity varies linearly with temperature, that is, K(T) = ka[ 1 + γ(T − Ta)] , (2) and heat transfer coefficient may be given by a power law function of temperature, H(T) = hb( T − Ta Tb − Ta)n (3)Here, ka is the thermal conductivity of the fin at ambient temperature, γ is a measure of thermal conductivity variation with temperature, hb is the heat transfer coefficient at the fin base, n is a constant.
Lopez, Convection-radiation from a continuously moving, variable thermal conductivity sheet or rod undergoing thermal processing, Int J Thermal Science, 50: 1523-1531, 2013
Animasaun, Boundary layer analysis of upper convected Maxwell fluid flow with variable thermo-physical properties over a melting thermally stratified surface, FUTA Journal of Research in Sciences, 12(2): 287-298, 2016
Aldossary, On Solution of Natural Convection and Radiation Heat Transfer Problem in a Moving Porous Fin, Arabian J Science and Engineering, 39: 1303-1312, 2014
Sibanda, A Modified Decomposition Solution of Triangular Moving Fin with Multiple Variable Thermal Properties, Arabian J Science and Engineering, 43(30): 1485-1497, 2017.

These materials are hard to form due to these mechanical properties and hence the need to utilize the phenomena of superplasticity in forming these steels.
Micrograin superplasticity is shown by materials within the strain-rate range 10 -510-1 s -1 and at temperatures greater than 0.5Tm, where Tm is the melting point in Kelvin.
Sherby: Journal of Material Science, Vol. 13 (1978), p.2645 [10] J.
Marzban: Journal of Mater.
Weis and R.A Kot: Die-less wire drawing with transformation plasticity, Wire Journal, No.9 (1969), pp.182 [13] O.

Effects of BST on Optical and Dielectric Properties of Na2O-B2O3-SiO2 Glasses Pratthana Intawin1, a, Pichitchai Butnoi1, b, Wilaiwan Leenakul2, c, Anocha Munpakdee3, d, Tawee Tunkasiri4, e and Kamonpan Pengpat1, * 1 Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand 2 Faculty of Science, Rajamangala University of Technology PhraNakorn, Bangkok, Thailand 3 Department of General Science, Faculty of Science, Srinakharinwirot University, Thailand 4 Science and Technology Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand abuai_sakura@hotmail.com, bp.butnoi@gmail.com, cwilaiwan.l@rmutp.ac.th, dAnocha@g.swu.ac.th, etawee.tun@cmu.ac.th, *kamonpan.p@cmu.ac.th Keywords: The melt quenching method; BST/Na2O-B2O3-SiO2 glasses; Transparent glasses; Abstract.
Barium strontium titanate (BaxSr1-xTiO3) are ferroelectric materials that have high dielectric, low dielectric loss and spontaneous polarization. [6].
The influence of BST addition on the optical and dielectric properties of the prepared BST/Na2O-B2O3-SiO2 glasses were studied and thermal parameters of these materials were analyzed.
The 25Na2O-13B2O3-62SiO2 (in wt. %) glass was prepared by mixing the raw materials of Na2CO3, B2O3 and SiO2 and the mixture was melted at 1200 ºC for 2 h.
Vikram, Synthesis, IR and Raman spectroscopic studies of (Ba,Sr)TiO3 borosilicate glasses with addition of La2O3, Open Journal of Inorganic Non-metallic Materials. 2 (2012) 47–54

Interestingly, high concentrations of Fe in sediment were found at many stations with respect of the parent materials in this area.
Materials and Methods Study area and sampling design: The sampling sites were planned to cover the discharges from agricultural areas correlated to four upstream aquatic tracks (in let) of the reservoir.
Laboratory quality control: The accuracy of analytical method was calibrated using standard reference materials, SRM 1646a, for sediment from the National Institute of Standard and Technology (NIST) [11], with 6 samples of blank.
Soil Science, 63. (1947) 257
[11] National Institute of Standard and Technology (NIST), Chemical composition Standard Reference Materials (SRMs)1646a ,Estuarine Sediment. (2004) [12] United States Environmental Protection Agency (US EPA).

Since their discovery by Ijiima in 1991 [5], the carbon nanotubes play a central role in material science research [6].
Researchers across the globe are now testing nanotube added materials in almost every situation.
Experimental Materials.
Acknowledgements We would like to sincerely thank Alvin-Plast Ltd. for the donation of the tested materials.
Hauge: Journal Phys.

Pereira, TIG welding with single-component fluxes, Journal of Materials Processing Technology 99 (2000) 260–265
Chou, Study of the performance of stainless steel A-TIG welds, Journal of Materials Engineering and Performance 17 (2) (2008) 197–201
Tsai, Study of the characteristics of duplex stainless steel activated tungsten inert gas welds, Materials and Design 32 (1) (2011) 255–263
Hsu, Performance of activated TIG process in austenitic stainless steel welds, Journal of Materials Processing Technology 211 (2011) 503–512
Materials Today: Proceedings, 45(2), 1662-1667. doi: 10.1016/j.matpr.2021.03.292 [12] Kuang-Hung Tseng, Nai-Shien Wang, GTA welding assisted by mixed ionic compounds of stainless steel, Powder Technology 251 (2014) 52–60 [13] Nayeea, S.

Introduction Zinc Oxide is a kind of important functional material of II-VI with hexagonal wurzite structure, and direct wide band gap of 3.37eV.
ZnO has many advantages, such as higher exciton binding energy and lower growth temperature, and good chemical stability, which make it more suitable blue and ultraviolet emission material at room or higher temperature, which in turn become important candidate material.
The target materials were 99.99%Zn, and the oxygen and argon are 99.99% purity.
Journal of Nonlinear Optical Physics and Materials, 2009，18(4):649 [10] XU Peng-shu,SUN Yu-ming, SHI Chao-shu, et al.
Science in China (A) ，2001, 31(4):358

Introduction In recent years, transformation optics has aroused intensive research interests because it provides a flexible approach to controlling electromagnetic waves by artificial materials, metamaterials [1, 2].
This technique adds a significant amount of flexibility to the design of complex materials and has been successfully applied to design parallel beam splitter and beam deflector [19].
A transverse electric (TE) Gaussian plane wave (with electric field normal to the x-y-plane) is incident on the slab filled with transformation materials from the left with (is the wavelength in free space).
Smith: Science Vol. 312 (2006), p.1780 [2] D.
Emiroglu and Do-Hoon Kwon, Journal of Applied Physics Vol. 107 (2010), p. 084502 [7] N.

Biosynthesis of Low Molecular Weight Bacterial Cellulose Feng Yuhong 1,2,a , Wang Xibin2,b , Lin Qiang2,c * 1 , Wu Zhouxin2,d , Pang Sujuan2,e , Yin Xueqiong2,f 1 Faculty Of Land Resource Engineering，Kunming University of Science and Technology， Kunming 650093,China P.
R. 2 Science and Engineering School, Haian University, Haikou 570228 ,China P.
Materials and Methods Cellulose-producing strain.
In general, the MW of a polymer material affects its quality and decides its use in different field.
Vol.66-3( 2002), p.506-577 [4] Lars Einfeldt and Dieter Klemm: J.Carbohydrate Chemistry Vol.16-4&5(1997), p.635-646 [5] Pei Chonghua, Lin Qiang, Sun Zhongliang, Wang Xibin: Proceedings of the sixth Int ernational Conference on Measurement and Control of Granular Materials ， ISSN1000-7105(2003), p.585-587 [6] Lin Qiang, Pei Chonghua, Feng Yuhong, Wu Zhouxin: Proceedings of the sixth Int ernational Conference on Measurement and Control of Granular Materials，ISSN1000-7105(2003), p.588-589 [7] M.J.Ridout, G.J.Brownsey, A.P.Gunning, etc.: international Journal of Biological Macromolecules Vol.23(1998), p.287-293.

Zulfia1, a and Maman Kartaman Ajiriyanto2,b 1Department of Metallurgy and Materials, Faculty of Engineering, University of Indonesia, Kampus Baru Universitas Indonesia, Depok 16424, Indonesia 2Centre for Nuclear Fuel Technolgy- National Nuclear Power Agency (BATAN), Centre for Development Science and Technolgy, Serpong, Tangerang 15310, Banten, Indonesia aanne@metal.ui.ac.id, bmakar@batan.go.id Keywords: Al-AC8H/Al2O3 MMCs, T6 treatment, Si eutectic, Aging.
Although the incorporation of a second phase into a matrix material can enhance the physical and mechanical properties of an MMC such as T6 treatment.
Data is given for material before heat treatment (i.e., as-cast) as well as for the T6 condition.
D.Escalera, & L.Gil., “Oxidation barriers on SiC particles for use in Aluminium matrix composites manufactured by casting route: Mechanisms of interfacial Protection, Journal of Material Science Vol 37, 2002, pp. 4633 – 4643
D., “Electroless Plating Copper Coating of Al18B4O33 Whisker for Interface Improvement Whiskers Reinforced Aluminium Matrix Composites,” Materials Science and Technology, 23 (12), Dec 2007, pp. 1497-1504