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The Conference objective was to open a worldwide discussion on the current role of technology in the academic and scientific areas where all scientist meet together to share their knowledge and research expertise, to discuss in the area of materials and the development of materials technology, as well as creating a prospective collaboration and networking on various areas of materials science and technology.
The 16th QIR 2019 is the continuation of the successful biannual series conference and we are pleased to bring the selected collection paper in the area of Engineering Materials and related topics to be published in Materials Science Forum Journal.
All of the contributing papers in this edition have been peer reviewed by expert referees in the field of engineering materials in order to meet the scientific standard.
The papers in this journal most come from Symposium on Metallurgy and Materials, and some papers come from Symposium on Advances in Mechanical Engineering, Symposium on Chemical and Process Engineering, Symposium on Infrastructure and Transport, and Symposium on Biomedical Engineering.
Organizing Committee International Symposium on Metallurgy and Materials Engineering The 16th International Conference on Quality in Research (QIR)

The light side temperature of ordinary glass and Low-E glass Visible Light Transmittance Ratio (τ) The visible light transmittance ratio refers to the rate of the intensity of light penetrating through transparent materials to the incident light intensity in visible light band (380-780 nm).
[4] Li Liang, Hongwei Tan, Shuring Zheng, et al, Analysis on energy-saving potential of transparent insulating glass coating, Chinese Journal of Building Science, Vol.29, No.4 (2013), p. 6-9
[7] Tengda Sun, Jiachun Xie, Jin Ling, et al, Preparation of ZnO ohmic electrode and study of UV photoelectrical characteristics of n-ZnO/p-Si heterojunction, Journal of University of Science and Technology China, Vol. 36, No. 3 (2006), p. 328-332
[9] Chaoyang Zhao, Wenqi Liu, Zhuxi Fu, etal, I-V and photoelectricity properties of ZnO/Si heterojunction on different substrate, Journal of University of Science and Technology China, Vol. 38, No. 11 (2008), p. 1262-1267
[13] Hongbo Tong and Qing Liu, Research development on thin film electroluminescent phosphor materials, Chinese Journal of Surface Technology, Vo1. 37, No. 3 (2008), p. 65-67.

Furthermore, DEM can reveal the mechanism of the mechanical, physical and chemical evolutive process of materials and structures in both the meso- and micro-scale [6].
The mechanical model of biological surfaces in DEM In DEM, the continuous model of meso- and micro-scale materials is established by integrating the contact elements.
In order to represent the inherent force of the mechanical characteristics of the continuous materials, the contact-bond model between the contact elements was established.
Journal of Mechanical Engineering Science Vol. 209 (1995), p. 221
[10] Tong J, Ma Y H, Ren L Q, Li J Q: Journal of Materials Science Letters Vol. 19 (2000), p. 529.

Recent Work This work used commercial pure Ti powder (CP-Ti) and the self-developed Ti-TiBw composite powder as raw materials.
[4] Morsi K, Patel V V, Processing and Properties of Titanium-Titanium Boride (TiBw) Matrix Composites-A Review, Journal of materials science, 42(2007) 2037-2047
Microstructure and mechanical properties of investment casted titanium matrix composites with B4C additions, Materials Science and Engineering: A, 628(2015) 366-373
Influence of spark plasma sintering and subsequent hot rolling on microstructure and flexural behavior of in-situ TiB and TiC reinforced Ti6Al4V composite, Materials Science and Engineering: A, 624(2015) 271-278
Effect of powder particle shape on the properties of in situ Ti-TiB composite materials produced by selective laser melting, Journal of Materials Science & Technology, 31(2015) 1001–1005

Ravichandran, Journal of Materials Science, 2001. 36(4): p. 831-838
Weerasooriya, Journal of Composite Materials, 2003. 37(19): p. 1723-1743
[5] Liu, M.S., et al., Materials Science and Engineering: A, 2008. 489(1-2): p. 120-126
Yulong, Materials Science and Engineering: A, 2011. 528(22–23): p. 6998-7004
Li, Materials Science and Engineering A, 2007. 458: p. 330-335.

Das: Journal of Materials Processing Technology Vol. 96 (1999), p. 9 [6] H.
Kudo: International Journal of Mechanical Sciences Vol. 7 (1965), p. 43 [7] K.P.
Das: International Journal of Mechanical Sciences Vol. 43 (2001), p. 2435 [8] N.
Dewhurst: International Journal of Mechanical Sciences Vol. 47 (2005), p. 1079 [9] D.J.
Altintas: Journal of Materials Processing Technology Vol. 211 (2011), p. 339 [13] A.P.

UV Resistance of γ-Glycidoxypropyltrimethoxysilane / TiO2-ZrO2 hybrid nanocomposite films prepared by sol-gel method Yue Yanping 1, Huang Min1, Jiao Yuanqi 2 , Zeng Xingrong1, Liu Zhimeng2 , Liu Yuping2 and Lin Xiaodan 1,a 1 College of Materials Sci. and Eng., South China Univ. of Tech., Guangzhou 510640, PR China 2 Dongguan Univ. of Tech., Dongguan 523808, PR China a mcxdlin@scut.edu.cn Keywords: TiO2; ZrO2; Hybrid materials; Photo catalysis; UV resistance; Yellow index.
Experimental Materials.
The weight loss is steep between 300゜C and 600゜C due to thermal decomposition of organic compounds in the hybrid materials, and approaches level after 600゜C.
Materials Letters 61 (2007) 2908–2910 [6] Yifei Liu, Changli Lü, Minjie Li, Liang Zhang, Bai Yang.
Journal of Applied Polymer Science, 2007, 105(6):3662-3672

In this simulation work, the Carbide cutting tool was modeled as an elastic material where workpiece material was defined as elasto-plastic material.
Guimaraes, Temperature determination at the chip–tool interface using an inverse thermal model considering the tool and tool holder, Journal of Materials Processing Technology. 179 (2006) 97-104
Hameedullah, Chip-Tool Interface Temperature Prediction Model for Turning Process, International Journal of Engineering Science and Technology (IJEST). 2 (2010) 382-393
Mottaghizadeh, Analysis of Tool-Chip Interface Temperature with FEM and Empirical Verification, World Academy of Science, Engineering and Technology. 68 (2012) 2228-2237
Maranhao, A study of plastic strain and plastic strain rate in machining of steel AISI 1045 using FEM analysis, Journal of Materials and Design. 30 (2009) 160-165

Despite of the state of a material that Al2O3 passivation surface has the lowest catalytic effect to hydrocarbon materials.
It is depended on the Ni content in metal material that the metal surface has the low catalytic effect to fluoride materials.
Ohmi: International Conference on Solid State Devices and Materials (2001), p.p. 24-25
Ohmi: Gas Science Ga Hiraku Product Innovation (Realize inc.
Ohmi: Journal of Vacuum Science & Technology A, Vol. 17, No. 3 (1999), pp. 1059-1065.

Materials and methods Each piece of test material comprised a sandwich structure, with two layers of PET nonwovens enclosing a layer of PP selvages and nylon geogrid. 7D PET staples were with a length of 51mm and underwent the nonwoven process of opening, combing and lining.
Hsing, Journal of Advanced Materials, Vol. 39 (2007), p. 32 2.
Lin, Advanced Materials Research, Vols. 55-57 (2008), p. 41 3.
Su, Textile Research Journal Vols. 75 ( 2005) p. 390 4.
Lin, Indian Journal of Fiber and Textile Research, Vol. 29 (2004) p.25