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Experimental Experimental materials and equipment Experimental material.
Experimental results and discussion Effect of the ratio of raw materials on the properties of polyamide intermediates.
Effect of different materials on the properties of polyamide.
We can see from the physical and chemical nature of three polyamide materials, the viscosity of three material is: polyethylene polyamine> Tetra ethylene pentamine > triethylenetetramine; the boiling point of raw materials: polyethylene polyamine> four pentamine> triethylenetetramine.
He, in: Chinese Journal of Colloid & polymer.

Effect of Surface Modification of Steel Fiber on Concrete Comprehensive Performance Jin Lv 1,2, Jianzhong Liu1,2 1State Key Laboratory of High Performance Civil Engineering Materials, Jiangsu Research Institute of Building Science Co, Ltd.Nanjing 210008,Jiangsu,China. 2Jiangsu Bote New Materials Co, Ltd.Nanjing 210008,Jiangsu,China alvjin@cnjsjk.cn,bliujianzhong@ cnjsjk.cn Keywords: Steel Fiber; Surface Morphology; Bond Strength; Crack Resistance; Flexural Toughness Abstract:In order to investigate the influence of surface modification on concrete comprehensive properties, special electrodeposition process is applied to modify the surface of steel fiber.
Experimental Details Materials.The cement applied in our work is PⅡ52.5 ordinary Portland cement made in China.
After stirring the mortar, the material is put in the half part of a specially made mould with the dimension of 30mm×30mm.
[9] Li Changfeng, Liu Jiaping, Liu Jianzhong et al: submitted to Journal of the Chinese Ceramic Society (2011)

Visual Examination Visual inspection was taken to visually look unnatural shape or screening material.
Materials that will be investigated is observed using a digital camera and combined with macro camera to determine the kind of defects. 2.
The test results can determine the microstructure of material, defects or changes in the microstructure.
In addition, the Metallography testing can also identify the presence or absence of an oxide layer or scale on the surface of the material. 3.
Basu, Failure investigation of Platen Superheater Outlet Header, International Journal for Manufacturing Science & Production

The utilization ratio of permanent magnet materials and the homogeneity of adhesion force in air gap are also vital performance of magnetic mechanism, which should be also considered.
In the figure, the arrows are the direction of the remanent magnetization of the magnetic material, a1, a2, b and c is dimensions of the magnets, h1 and h2 is the size of soft iron.
The Halbach array was used to enhance the air gap flux density and improve the utilization of magnetic materials.
Yi H, A Novel Design of Permanent Magnet Wheel with Induction Pin for Mobile Robot, International Journal of Precision Engineering and Manufacturing. 10, (2009) 143-146
Halbach, Design of Permanent Multipole Magnets with Oriented Rare Earth Cobalt Material, Nucl.

However, GH4169 is generally known to be one of the most difficult materials to machine because of its high hardness, high temperature strength and low thermal conductivity.
It can be used for processing high hardness of hard processing material.
Gökkaya, The effect of cutting speed and cutting tool geometry on machinability properties of nickel-base Inconel 718 super alloys, Materials and Design. 28 (2007) 1334-1338
[3] Herbert Schulz, Eberhard Abeled, He Ning, The High Speed Machining Fundamentals and Applications, first ed., Science Press, Beijing, 2010
Dudzinski, Dry machining of Inconel 718, workpiece surface integrity, Journal of Materials Processing Technology .211 (2011) 1590-1598 [6] Dong-Gyu AHN,Kyung-Won BYUN , Influence of cutting parameters on surface characteristies of cut section in cutting of Inconel718 sheet using CW Nd:YAG laser.Trans.Nonferrous Met.Soc.China 19(2009)s32-s39 [7] Wei-wei Liu, Feng Li, Jun-xue Ren, Yuan Yu.

Experimental procedure Materials.
Ling: Materials Letters 59 (2005), p. 1369-1372
Varley: Macromolecular Material and Engineering.
Singh: Journal of Mater.
Aqeeli: Submitted to 8th International Conference [16] on Composite Science and Technology (2010).

In this paper, three main factors of the oscillation are analyzed as follows： 1) Stress redistribution induced by stiff degradation under gravity; 2) Initial strain increment assumed by explicit for estimating the time increment； 3) Constitutive model of materials.
Material is C30 concrete.
Elastic-plastic constitutive model Based on the assumption of low stress level under gravity and stiffness degradation is negligible, some engineers prefer to assume materials keep elastic to avoid the puzzle of convergence while using ABAQUS/Standard to perform static analysis.
Journal of building structures (Supplementary issue 1), Vol. 30(2009), p. 218.
Science technology and engineering, Vol. 9(2009), p. 4688.

The influence of high magnetic field on the stability of cryoECAPed 1050 alloy Yiheng Cao1,a, Lizi He1,b *, Xiaotao Liu1,c, Haitao Zhang1,d, Ping Wang1,e, Yaping Guo1,f and Jianzhong Cui1,g 1Faculty of Key Lab of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004, China acaoyiheng@126.com, bhelizi@epm.neu.edu.cn, cliuxt@epm.neu.edu.cn, dhaitao_zhang@epm.neu.edu.cn, ewping@epm.neu.edu.cn, fgyp@epm.neu.edu.cn, gjzcui@epm.neu.edu.cn Keywords: CryoECAP, High Magnetic Field, 1050 alloy, Grain growth Abstract.
Experimental The material used in this work is 1050 aluminum alloy.
Srolovitz et al [19] thought that the strain energy difference between grains in polycrystalline materials under external field led to the occurrence of abnormal grain growth, while, the strain energy was proportional to the dislocation density.
Acknowledgments The authors would like to thank the Fundamental Research Funds for the Central Universities (N100409002), Chinese Post-doctorate Science Fund (20100471455) and State Basic Research Development Program of China (2012CB723307) for their financial support of this research.
Lu, Journal of Iron and Steel Research 12, 27 (2000)

Having an invariant feature, along broad ranges under different conditions of capturing the image, is a vital step such that it provides a robust material for achieving proceeding operations.
[2] Ertugrul Bayraktar, Pinar Boyraz, Analysis of feature detector and descriptor combinations with a localization experiment for various performance metrics, Turkish Journal of Electrical Engineering & Computer Sciences, 25 (2017) 2444-2454
R., A Survey on Image Matching Methods, International Journal of Latest Research in Engineering and Technology (IJLRET) 2-1 (2016) 58-61
[13] Wenping Ma, Yue Wu, Shaodi Liu, Qingxiu Su, and Yong Zhong, Remote Sensing Image Registration Based on Phase Congruency Feature Detection and Spatial Constraint Matching, IEEE Access 6 (2018) 77554-77567 [14] Zaafouri Ahmed, Mounir Sayadi and Farhat Faniech, Satellite Images features Extraction using Phase Congruency model, International Journal of Computer Science and Network Security (IJCSNS) 9-2 (2009) 192-197
[23] Peter Kovesi, Image Features from Phase Congruency, Journal of Computer Vision Research, 1:3 (1999) 1-27

It is rather a challenge to choose the right materials to best suit existing requirements and to combine them in an ideal way to a multi-material design.
In order to be able to exploit the full potential of intrinsic hybrids, an interdisciplinary work on questions related to manufacturing, materials science and mechanical issues is necessary.
In materials science, the derivation of process-microstructure-property relationships are a fundamental objective.
Afterwards, both materials are assembled to an hybrid preform.
Modler: Intrinsic lightweight steel-composite hybrids for structural components, Materials Science Forum Vols. 825-826, pp. 401-408 (2015) [12] R.C.