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In this work, we have investigated the influence of underlying materials on the formation of bubbles of a-Si.
An inserting layer of SiO2 was introduced in between SiN and a-Si to improve the density of the lower layer material and the adhesion between the two materials.
Two materials, i.e., PECVD-SiN and PECVD-SiO2, are selected as the underlying materials deposited on Si substrates.
Journal of Materials Science: Materials in Electronics 18 (2007): 405-409
Advanced Science 3.7 (2016): 1500327

Sandstone and mudstone are major filling materials.
The compaction characteristic of rock fill materials has significant influence on dam deformation.
Vibration rolling on dam filling materials is in bound to cause surface settlement.
Journal of Tongji University (Natural Science), Vol. 40 (3), p: 397
Journal of Yangtze River Scientific Research Institute, Vol.16 (1), p: 42

The grain size distribution of landslide dam materials may have special features.
According to the researches of granular materials, the movement of granular materials will lead to particle size segregation, that is, larger particles tend to move upward to the top layer of the granular flow [5-7].
During this process, materials of the landslide dam may segregates, which probably contributes to special size distribution.
Hogg: Journal of Fluid Mechanics, Vol.550 (2006), pp.1-25
Xu, et al.: Journal of Asian Earth Sciences, Vol.57 (2012), pp.25-37.

For the same hard machining materials, the tool life, the axial distance for cutting and the material removal amount were adopted for the orthogonal test.
Introduction With the advance of science and technology, more and more new materials which include titanium alloy, surfacing material, and ceramics and so on come into applications in cutting edge area[1-3].
The materials for cutting were made by build-up welding, whose hardness is 30HRC.
It is true for materials removing to rough machining.
International Journal of Machine Tools and Manufacture.

Synthesis and Application of Electronic Transporting Materials Li Tingxi a, Gao Susu b, Sui Peng, Kong Na, Wu Shasha, Li Shanting School of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266510, China alitx@sdust.edu.cn, bsusugao@126.com Key words: organic EL, pyridine-containing compounds, energy-saving, environmental protection, electronic transporting material.
A number of emission materials and hole-transporting materials were reported.
In contrast, materials for electron-transporting materials are few.
ET Materials No.
Journal of Materials Science and Technology. 2008; 24:753-756.

For the last few years investigations into parameters that affect velocity and temperature of several types of fluids, to include viscoelastic materials, have been investigated.
Researchers have investigated the parameters in varying contexts and flow types, such as Couette flow in the absence or presence of an external magnetic field, as well as flow involving viscoelastic materials.
In this study, two types of viscoelastic material were considered; elastico-viscous material and second grade fluid.
Science and Tech 9(3) (2017) 476-483
Dordrecht: Springer Science + Business Media, 1990

Carbini, An experimental study of the dissemination of Titanium and Zirconium in body, Journal of materials science: Materials in medicine, 13 (2002) 793-796
Kim, Correlation between microstructure and corrosion behavior of Zr–Nb binary alloy, Journal of Nuclear Materials, 302 (2002) 9-19
Alexandrov, Bulk nanostructured materials from severe plastic deformation, Progress in Materials Science, 45-2 (2000) 103-189
Zhu, Long-length Ultrafine-grained Titanium Rods produced by ECAP-Conform, Materials Science Forum, 584-586 (2008) 80-85
Langdon, Principles of equal-channel angular pressing as a processing tool for grain refinement, Progress in Materials Science, 51 (2006) 881–981

Study on Drilling Force of Pore for Hard-to-cut Material L.Y.
Table 2: Chemical compositions of materials 1Cr18Ni9Ti C ≤0.12 Si 0.1 Mn 2.0 P 0.035 S 0.03 Cr 17.0~19.0 Ni 8.0~11.0 Table 3: Physical properties of material rigidity（HB） ≤229 yield intensity GPa 0.3 tensile strength GPa 0.6 elongation percentage % 55 impact toughness MJ/m2 2.45 coefficient of thermal conductivity W/(m. 0C) 16.3 Simulation and analysis.
Acknowledgements This project is supported by the Natural Science Foundation of GuangDong Polytechnic Normal University and the Doctor Start-up Foundation of GuangDong Polytechnic Normal University.
[2] Kuang-hua Fuh and Chung-Shin Chang, Cutting Performance of Thick Web Drilling with Curved Primary Cutting Tools, International Journal of Machine Tools and Manufacture, Vol.135(1995), p.975-991
International Journal of Machine Tools & Manufacture, Vol.44 (2004), p.1413-1421

In the module (Property) introducing the material properties.
Wierzbicki, Prediction of shear-induced fracture in sheet metal forming, Journal of Materials Processing Technology 210 (2010) 1858-1869
Gelin, Necking in sheet metal forming Influence of macroscopic and microscopic properties of materials International Journal of Mechanical Sciences, 42 (2000) 2209-2232
Bayraktar, Parametric finite element analysis for a square cup deep drawing process, Journal of Achievements in Materials and Manufacturing Engineering, 48 (2) (2011) 1734-8412
Jin Park, Optimization of the structural and process parameters in the sheet metal forming process, Journal of Mechanical Science and Technology, 28 (2)(2014)605-619.

Computer Simulation of Horizontal VPE Grown AlN LIU Jiaqi1,2,a, XIE Xinjian2,b* and YANG Qinghao1,c* 1School of Materials Science and Engineering, Xi'an University of Science and Technology, Xian 710054, China 2School of Science, Hebei University of Technology, Tianjin 300401, China a13516107256@163.com, bxjxie@hebut.edu.cn, cyangxjtu@hotmail.com Keywords: vapor phase epitaxy, AlN, numerical simulation, FLUENT, film material Abstract.
Development status and trend of the third generation semiconductor materials of group Ⅲ nitride[J], Science and technology of China, 2018 (04): 15 - 18
Magnetic phase stability of transition metals doped (4,4) AlN nanosheet[J], Journal of Magnetism and Magnetic Materials, 2019
Research Progress on Preparation of AIN Powder by High energy Ball Milling[J], Materials Reports, 2014, 28 (S1): 403-405
Journal of Crystal Growth, 2019, 524