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Batch materials for glass production with a required content of iron-bearing impurities are produced using various concentration methods, including dry and wet separation.
The application of the bioleaching to the improvement of quality of non-metallic materials has yet to lead to commercial-scale processes.
Materials and methods Quartz sand (denoted as Q) from the Šaštín Stráže (Slovakia) deposit was composed of quartz (8890%), feldspar (8-10%), heavy minerals (1%) and clay minerals (1%).
Matveev: Raw Materials for Glass in Russia (EMKO, Russia 1995) [2] A.D.
Sharma: Geomicrobiology Journal Vol. 21 (2004), p.135 [4] I.

Mechanical Interlocking on Leadframe Surface for Bondability of Au Wedge Bond Roslina Ismail1 , Fuaida Harun1, Azman Jalar1,*, and Shahrum Abdullah2 1Institute of Microengineering and Nanoelectronic (IMEN), 2Department of Mechanical & Materials Engineering, Universiti Kebangsaan Malaysia, 43600 UKM, Selangor, Malaysia.
Introduction The major components in semiconductor packaging are composed of leadframe, die attach, silicon die, wire bond and encapsulant material.
Wire bonding is a solid-state welding process, where the two metallic materials (wire and thin film surface) are brought into intimate contact [1].
Suresh, Thin Film Materials: Stress, Defect Formation and Surface Evolution, Cambridge University Press, 2003 [3] Hsu, H.C., Chu, L.m, Chen, Y.F., Chien, J.H., Fu, S.L., Ju, S.P and Feng, W.J., Further characterization of Pd-coated copper wire on wirebonding process: from a nanoscale perspective, Journal of Materials Science: Materials in Electronics, September 2013, Volume 24, Issue 9, pp 3594-3602 [4] Lina, T.Y., Davidson, K.L., Leong, Chua, S., Yao, Y.F., Pan, J.S., Chai, K.C., Toh, K.C. and Tji, W.C., Surface topographical characterization of silver-plated film on the wedge bondability of leaded IC packages, Microelectronics Reliability, Volume 43, Issue 5, May 2003, Pages 803–809 [5] Guo, R., Li, M., Mao, D., Li, W., 2011.
[8] Anthony Kinloch Adhesion and Adhesives: Science and Technology, Chapman and Hall ,1987

Ryan J et al. introduced the application advantages and prospects of machine learning in materials science [10].
Energetic Materials, 2021, 29(09): 819-826
High Temperature Materials and Processes, 2022, 41(1)
Deep learning object detection in materials science: Current state and future directions[J].
Computational Materials Science, 2022, 211

All solvents used were of analytical grade. 2.2 Plant Materials The whole plants of Illicium dunnianum. were collected in Yunnan, 2006.
The plant material was identified by Prof.
Acknowledgements This work was financially supported by the Fujian Natural Science Foundation (2011J05028) and Scientific Research Foundation of Huaqiao University (10BS313).
[6] Lihua Mu, Dongming Zhang: China Journal of Chinese Materia Medica Vol. 21(2006), p. 1795 [7] Foo L Y, Lu Y, Mcnabb W C: Phytochemistry Vol 8(1997), p. 1689 [8] Kuroyanagi M, Noro T, Fukushima S, Aiyama R, Ikuta A, Itokawa H and Morita M: Chem.
Vol 5(1983), p. 1544 [9] Xin’an Wu, Yimin Zhao: China Journal of Chinese Materia Medica Vol. 6(2005), p. 443 [10] Jun Zhao, Ming Lin, Yi Huang, Tao Liu, Yu Zhao: Chinese Pharmaceutical Jour- nal Vol.19(2008), p. 1461 [11] Francesco Mazzini, Emanuele Alpi, Piero Salvadori, Thomas Netscher: European Journal of Organic Chemistry Vol. 7(2003), p. 2840 [12] Nawwar M A M, Buddrus J, Bauer H: Phytochemistry Vol 7(1982), p. 1755 [13] Junwei Zhang: China Journal of Chinese Materia Medica Vol. 1(1989), p. 36 [14] Chunfeng Xie, Zijing Li, Jianbo Qu, Bin Sun and Hong xiang Lou: Chinese Pharmaceutical Journal Vol 22(2007), p. 1706 [15] Paulo J C Benevides, Patrícia Sartorelli and Massuo J Kato: Phytochemistry Vol. 2(1999), p, 339

Study on the friction properties of porous Al2O3 ceramic/ Al2O3 ultrafine particle/ epoxy new composites Jing-yuan Yu1, a 1 College of Materials Science & Engineering, Liaoning University of Technology, Jinzhou 121001 a yujingyuan1979@yahoo.com.cn Keywords: Porous Al2O3 ceramic; Al2O3 ultrafine particle; epoxy; composites; friction property Abstract.
Acknowledgements This work was supported partly by Innovation Research Team Program of the Ministry of Education (IRT0713), and Funded by the Key Laboratory of New Materials in Automobile of Liaoning Province(201016201).
Wang: Journal of Materials Processing Technology.
Zhang: Composites Science and Technology.
Li: Materials Science and Engineering: A.

This process was carried out in the Department of Materials Science and Metallurgy at Cambridge University.
While the fcc phase is free to deform axisymmetrically, the preference of bcc materials to adopt a <110> texture during swaging results in the curling and folding effect evidence in the Cr fibres shown in figure 2.
Table 1 Mechanical and materials properties of the Cu-Cr composites with temperature Figure 5 is polarization curve of Cu-10% Cr alloy in 1.0M H2SO4 solution and SEM image of corroded surface.
Acknowledgements One of authors would like to thank Korea Institute of Science & Technology Evaluation and Planning (KISTEP) and Ministry of Science & Technology (MOST), Korean government, through its National Nuclear Technology Program.
Bell, Journal of Applied Physics, Vol. 49 (1978) p.6031

Effects of Gd3+-substitution on the structure and magnetic properties of multi-doped YIG ferrites Jianxin Zhao1, a, Hongqing Zhou1, b and Meisheng Wang2, c 1School of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China; 2 Nanjing Jinning Microwave Co., Ltd., Nanjing 210046, China.
Introduction Garnet ferrite is a new type microwave magnetic materials in recent decades.
Compared with other microwave materials, garnet ferrite material has obvious advantage and excellent properties [1].
References [1] Z G Zhou: Magnetic Ferrite Materials (Science Press, China, 1981). p.23 [2] Z J Cheng: Synthesis and Magnetic properties of Y3Fe5O12(YIG) Nano-Particles Doped with Rare Earth Ions (MS, Jilin University, China, 2003) .p.37 [3] S Thongmee, P Winotai, I M Tang: Solid State Communications.
[4] Z Q Han, S J Ren: Journal of Magnetic Materials and Devices,Vol.40 (2009) No.4,p.6 [5] L J Hao, Q M Xu,W B Liu,X D Zhao: Materials Review, Vol.23(2009) No.2,p.9

Polyhedral oligomeric silsesquioxane(POSS) is a new type of organic-inorganic nano-hybrid materials, POSS not only exhibits the performance range of traditional organic materials and inorganic materials, but also acquires the Organic materials’ excellent processability, toughness, inorganic materials’ heat resistance, excellent oxidation and mechanical properties.
Nowadays, POSS has become one of the most important methods to prepare high-performance composite materials [4,5].
The morphology of the impact fracture surface analysis results show good consistency with the mechanical properties of the composite materials data.
Hyperbranched polymer used in preparation and modification of the materials.lastic Industry, 2005,33(1):1-3
Journal of Materials Science Letters,2002,21:719-722

White portland cement (WPC) and concretes based on it are materials with high performance properties with fairly wide field of application: decorative mosaic concrete floors, interior and exterior concrete mosaic slabs, imitating natural rock materials, and also finishing facade materials.
While carbonate materials of suitable quality for WPC clinker production are very common, aluminous and siliceous materials are rare and limit raw resource base.
Halperin, Raw materials for the production of white and colored cements in the Ural region, Izvestiya vuzov, Mining journal, Ekaterinburg. 3-4 (1998)
Rudnev, New active mineral additive to the cements, Science.
Innovations: Materials of reports of all-Russian scientific conference, Part 2.

Département des sciences des matériaux, faculté de génie mécanique et génie des procédés, USTHB, BP N°32 , 16111 EL ALIA Bab Ezzoouar Alger, Algérie. 2 Laboratoire Science et Génie des matériaux.
Materials The starting material was alumina powder issued from the Bayer process (d50 = 1.5µm) and different minerals that leads to oxides additives (SiO2, MgO, CaO, ZrO2).
Table 1: Composition and characteristics of alumina ceramic materials (wt %).
Mechanism of transfer film formation during repeat pass sliding of ceramic materials, Wear 140, (1990), 191-206
Relationships between microstructure, mechanical and dielectric properties of different alumina materials, Journal of the European Ceramic Society 29, (2009), pp.2747-2756