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Parameter Optimization and Analysis of Pellet Mill Qinghai Jiang1, a, Yu Sun1,b, Kai Wu1,c, and Xianfei Xia1,d 1School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China ajiangqinghai101@126.com, bsunyu@mail.njust.edu.cn, cwukai@mail.njust.edu.cn, dxfei116@139.com Keywords: Pelleting.
Analysis of the Condition to Seize the Material The force state of material is shown in Fig.1 when it comes to the wedge.
Figure.3 The relative height curve of material(θ=40°) Figure.4 The relative height curve of material(θ=50°) Figure 5 The relative height curve of material(θ=60°) Figure 6 The relative height curve of material(θ=70°) Analysis of the Material Extrusion Speed Material extrusion process can be divided into loose stage, transition stage and pressing stage [5].
Acknowledgement The researches are supported by the project of “Six Talents Peak of Jiangsu province (2010-JXQC-080)”, “The natural science foundation of Jiangsu Province (BK2011706)”, and “The prospective industry-study-research cooperation fund of Jiangsu province(BY2012023)”.
Huff: Effects of Particle Size and Processing Variables on the Properties of an Extruded Catfish Feed, Journal of aquatic food product technology Vol.10(2001), p.21-33 [3] Shi Shuijuan, Wu Kai, Jiang Aijun: Mechanical model establishment and finite element analysis of ring die in pelletizing, Machinery Design & Manufacture (2011), p.38-40 [4] Wu Kai, Shi Shuijuan, Peng Binbin, Ding Wuxue, Sun Yu: Modeling and analysis on extruding force in pelleting process, TRANSACTIONS OF THE CHINESE SOCIETY OF AGRICUTURAL ENGINEERING Vol.26(2010), p.142-147 [5] Bai Wei, Hu Jianjun, Lei Tingzhou, Shi Xinguang, Yang Zhannong: Experimental Study on Straw Cold Molding by Pressure and Its Regression Analysis, HENAN SCIENCE Vol.27(2009), p.703-706

Then diameter, the number of teeth, axial length, angle between teeth, and materials of cutter should be carried out orderly.
Wu: Materials Science Forum, Vol. 471-472 (2004), pp.663-667
Liu: Key Engineering Materials, Vol. 259-260 (2004), pp.462-465
Toh: Materials and Design, Vol. 26 (2005), pp.517-533
Li: Journal of Engineering Design,Vo1.13 (2002), pp.321-326.

Considering material partial coefficients of slope’s weak layer, then, the weak layer is reduced by the strength reduction method.
Weak layer material strength design value as calculating the initial values.
Due to the Mohr - Coulomb yield criterion can well describe most of the strength characteristics of rock and soil materials.
Chinese Journal of Geotechnical Engineering, 2003, 25(1): 1－10
[5] LI Lin,TAO Xiong,SHANG Kaiwei: Research on precision of strength reduction method in Stable analysis for rock slope, Journal of Water Resources ＆ Water Engineering,(2011) [6] Feng Wen-juan, LI Jian- lin,YANG Xue-tang: Study on the calculation methods of the slop stability analysis, Journal of Heilongjiang Hydraulic Engineering College2005,32(2):10~13

Series: Materials Science and Engineering 639 (2019) 012016. doi:10.1088/1757-899X/639/1/012016
Construction and Building Materials 221: 60–73. https://doi.org/10.1016/j.conbuildmat.2019.06.069
Journal of the Mechanical Behavior of Materials 2019; 28:119–134. https://doi.org/10.1515/jmbm-2019-0014
Materials and Structures (2019) 52:56. https://doi.org/10.1617/s11527-019-1357-6
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY. 34 (13). https://doi.org/10.1080/01694243.2019.1709340

Experimental 2.2　Materials (1).
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Research on Microstructure and Refining Effect of Al-3Ti-0.5B Master Alloy produced with Ti Sponge Xiaowei Chen1,a , Ya Gao2, Hongliang Zhao2,c, Kangrong Weng 2，Baofeng Zhang 1 1The Engineering College, Huanghe Science and Technology College, Zhengzhou 450063, China 2College of Materials Science & Engineering, Zhengzhou University,, Zhengzhou 450002, China Email: a 925774605@qq.com c zhlwkr@zzu.edu.cn Keywords: Al-3Ti-0.5B master alloy, Ti sponge, microstructure, grain refinement Abstract: Al-3Ti-0.5B master alloy was prepared by reaction of Ti sponge, KBF4 with aluminum melt.
Jixing: materials Review. 14(2000),pp.25-27
Tianyou: Journal of University of Science and Technology Beijing, 27(2007), pp.725-729
Birol: Journal of Alloys and Compounds.420(2006),pp.71-76
[8] Murty B S, Korisa A, Chakraborty M: International Materials Reviews.47(2002), pp.3-29.

The properties and charecteristic of durian skin fibers are within the propertise of lignocellulosic fiber which is suitable for development of biocomposite materials.
Materials and Method Materials preparation Durian skins were obtained from local market.
Moisture content was determined according to ASTM D4442-92 for direct moisture content measurement of wood and wood based materials.
According to Roncero [11], the intensity peak at the maximum at 2θ angle, between 22o and 23o for the crystalline materials, while for amorphous materials is between 18o and 19o.
[10] Dasong, D., Mizi, F., Characteristic and Performance of Elementary Hemp fibre, Materials Sciences and Applications (2010) 336-345

Miyase: Journal of Packaging Science & Technology, Japan, Vol.19 No.5 (2010), p.399 (in Japanese)
Funakura: Journal of Packaging Science & Technology, Japan, Vol.26 No.1 (2017), p.5 (in Japanese)
Östlund: Journal of Pulp and Paper Science, Vol.27 No.6 (2001), p.213
Katayama: Journal of Materials Processing Technology, Vol.140 Issue 1–3 (2003), p.157
Fukuzawa, Advanced Materials Research, Vol.939 (2014), p.53

This technology involves two different types of materials: one hygroscopic(biomass) and one hydrophobic(plastic), so there are issues of phase separation and compatibilization[5].
According to predetermined formulations, raw materials were added in a high speed mixer, mixing for 10 min at 86℃.
When materials were withdrawn by tensile force, stress concentration were formed in these tiny defects, so that the material fractured under a relatively small tension.
Plastics Science and Technology, 2006,34 (6) :90-93, in chinese
Journal of Applied polymer Science,1998,67(9):1503-1513.