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Research on Influence of the Material Anisotropy to the Surface Quality during SPDT Machining of Crystal KDP Mingjun Chen1,a, Yingchun Liang 1,b , Jinghe Wang 1,c and Xinzhou Zhang1,d 1 Harbin Institute of Technology, P.O.Box 413 # , Harbin 150001, China a chenmingjunok@yahoo.com, bycliang@hit.edu.cn, chitwjh@163.com, dxzzhang@hit.edu.cn Keywords: Crystal KDP, Ultra-precision machining, Material anisotropy, Super-smooth surface Abstract.
According to equation (1) and calculation equation of shear angle, we can find out the variation rule of the cutting force with the material anisotropy in theory, Fig.2 is the analysis result.
Acknowledgement Authors gratefully acknowledge the National Natural Science Fund of China (contact No. is 50405011) for their financial support of this work.
Fang and et al: Journal of the American Ceramic Society, Vol.85 (2002), pp.174-178
Liang and et al: Key Engineering Materials, Vols.315-316 (2005), pp.725-730.

Rohrer1,a 1Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA 2Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, USA arohrer@cmu.edu Keywords: Grain boundary, grain boundary energy, complexions, thermal grooving, abnormal grain growth, yttria.
The microstructure of the NGG sample is similar to undoped materials reported earlier. [18] There is one example from the NGG sample (Fig. 3(a)), the AGG sample far from an abnormally large grain (Fig. 3(b)), and the AGG sample on the periphery of a large grain (Fig. 3(c)).
Harmer, Complexion: A new concept for kinetic engineering in materials science, Acta Materialia, 55 (2007) 6208-6218
, Journal of the American Ceramic Society, 93 (2010) 301-317
Rohrer, Grain Boundary Plane Distributions in Aluminas Evolving by Normal and Abnormal Grain Growth and Displaying Different Complexions, International Journal of Materials Research, 101 (2010) 50-56

In the solution of high temperature and pressure, the material has high chemical reactivity and easy to synthesize chemical stable materials [1].
Final stable product of α-Al2O3 was used in ceramics, electronic circuit substrates and structural materials [6].
Microporous and Mesoporous Materials, Vol.54 (2002) ,p:37 - 49
Journal of inorganic materials, Vol.11(1996) , p:193 - 206.
Journal of Synthetic Crystals, Vol.28(1999):119-124.

This is because these materials are abundant in nature, can serve as a raw material source at a reasonable price, and also exhibit high mineral purity naturally.
Materials and Methods Preparation of Cockle Shell as Calcium Precursor.
Cree, Progress of bio-calcium carbonate waste eggshell and seashell fillers in polymer composites: a review, Journal of Composites Science, 4(2) (2020) p.70
Li, Synthesis and characterization of calcium hydroxide nanoparticles by hydrogen plasma-metal reaction method, Materials Letters, 64(23) (2010) pp.2575-2577
Sri, Synthesis of hydroxyapatite nanoparticles from egg shells by sol-gel method, Conference Series: Materials Science and Engineering 345(1) (2018) p. 012040

So we should cultivate biofilm in the filter material and make sure there are both nitrite bacteria and nitrate bacteria.
First is filter material modification, for example change the filter material to two or three layers to improve the filtering speed, use new type of high efficient filter material and so on.
[8] Yang Gao,“The application of new technology for modern water treatment (In Chinese) ”, Heilongjiang Science and Technology Information, 2008(17)
[28] Rongjun He, “The development of water treatment technology (In Chinese)”, Heilongjiang Science and Technology Information, 2009
[30] Jing Tian, “Analysis of city water treatment technology (In Chinese)”, Science & Technology Information, 2007，（21）：154

Materials and Experimental Procedure The materials used for the test samples are: 2024 Al alloys, 6061 Al alloy, 7075 Al alloy, respectively.
Tensile strength of the materials was determined using flat plate samples.
J., Characteristics of Materials Surfaces Modified Using Plasma-Enhanced Ion Beams, [accepted to publish [2] In Journal of Materials Science and Engineering, 1997] [3] Microstructure of Irradiated Materials, ed.
W. and Yatsui K., Intense Ion-Beam Treatment of Materials, MRS Bulletin, Aug.1996.
Y., Material Surface Modification by Pulsed Ion Beam, Journal of Materials Science, July 1990, vol.25 (No.7): 3139-3141 [9] Mccafferty E., Natishan P.M. and Hubler G.K.

Finite element analysis and Experimental Verification on Mechanical Properties of Steel Mash Reinforced HDPE Composite materials Xin Qian, Yangfu Jin, Mi Zhou, Jianan Sun College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou, China Qianx@zjut.edu.cn KeyWords: Steel mash reinforced HDPE，Mechanical properties，Finite element analysis, experimental verification Abstract.
This paper will provide the basis for product design of steel-plastic composite materials through the tensile and flexural simulation analysis and experimental verification of the steel-plastic composite materials.
Simulation and Experiment Steel mash reinforced HDPE composite materials specimens.
It can be found that the change in the wires number in length almost not affect the tensile modulus of composite materials.
：International Journal of Solids and Structures, 2001, 38: 9053-9075

Application of a Ternary Zn-based Solder Alloy for Joining of AZ31B Magnesium Alloy with Ultrasonic Support Miroslav Jáňa1, a, Milan Turňa2, b, Milan Marônek3, c, Marcel Kuruc4, d, Pavel Bílek5, e 1, 2, 3, 4Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies, Paulínska 16, 917 24 Trnava, Slovak Republic. 5Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Material Science, Paulínska 16, 917 24 Trnava, Slovak Republic.
In: Journal of Materials Engineering and Performance, Vol. 20, pp. 219-222 [11] MA, L., QIAO, P., LONG, W., HE, D., LI, X., 2012.
In: Journal of Materials Engineering and Performance, Vol. 22, pp. 118-122 [13] CZERWINSKI, F., 2011.
Journal of Materials Science, Vol. 42 Issue 10, p. 3552  [16] SATO, Y.
Journal of Materials Science, Vol. 40 Issue 3, p. 637  [17] SPIGARELLI, S., EVANGELISTA, E., El MEHTEDI, M., BALLONI, L., 2007.

Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Science, Moscow, Russia 2P.N.
Journal of Materials Research and Technology 2022; 17: 244-69
Materials Science and Engineering: C 2016, 68:948-963
Materials Science and Engineering R 2014; 77:1-34
Materials Science and Engineering C 2015;56:467-72

Materials and Processing Methods Materials.
Rhee: Materials Science and Engineering Part A Vol. 448 (2007), p. 264–268
Singh: Journal of Material Science Vol. 41 (2006), p. 2219-2228
Altan: Journal of Composite materials Vol. 42(21) (2008), p. 2209-2229
Hujjati: Materials Science and Engineering A Vol. 445-446 (2007), p. 467-476