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Some experimental results and preliminary theories indicate that there is a given relationship between SSD and SR of machined optical crystal materials [1-3].
According to the IFM theory, when machining the brittle materials, the micro cracks growth under abrasive associates with the abrasive cut depth and load subjecting to the abrasive.
Wu: Journal of Materials Process Technology.
Rao: International Journal of Machine Tools and Manufacture.
Evans: Journal of the American Ceramic Society.

Material and Handling.
In the test, the main raw materials include planting raw soil, humus, cement, vegetation-growing concrete greening additive, water, palm fiber, silicon powder and surfactant.
The front five materials are the ingredients of vegetation-growing concrete with the mass ratios shown in tab.1, and the hinder three are the admixtures selected for this test.
Statistics to support soil research and their presentation[J].European Journal of Soil Science，2001，52：331-340 [6] Q.
Chinese Journal of Rock Mechanics and Engineering，2008, 27（S1）:2990-2994 [7] H.

Less than ten parts used, as written on the bill of materials (Table 1).
Bill of Material.
Stiffer materials generally produce higher natural frequencies
High vibrations in these areas can cause wear, cracks, or even structural failure if not anticipated with adequate design or materials.
Eastern-European Journal of Enterprise Technologies, 2021. 2(7-110): p. 15-22

Standard soil reference materials ESS-1 and GSS-4 from Center for National Standard Reference Material of China, were inserted for quality assurance.
Project supported by National Natural Science Foundation of China（41161079） Reference [1] A.Faruque , I.
Science of the Total Environment, 408(2010), 726-733
Journal of Aerosol Science, 33(2002), 237-255
[7] China Environmental Science Press.

Yu: Materials Review Vol. 24 (2010), p. 432.
Yan: Construction and Building Materials Vol. 24(2010), p. 1134
Degrugilliers: Materials Characterization Vol. 61( 2010), p. 39
[8] Y.X Li: (Ph.D., China Building Materials Academy, China 2003), p. 65
Hashim: Construction and Building Materials Vol. 24(2010), p. 1944.

Thus, it is significant to reduce Cr(VI) content in the waste materials.
Raw Materials and Experimental Raw materials The smelting of stainless steel (1Cr13) is operated in a 50kg induction furnace.
The major iron-containing raw materials for stainless steel smelting are scrap (rebar steel) and ferrochromium alloy (FeCr55C100).
Other auxiliary materials used in the smelting process include graphite pieces, mill scale, Ca-Si powder, Ar and O2 gases.
Nassaralla: Metallurgical and Materials Transactions, Vol. 28B (1997), p. 855.

The repair welding technology of casts magnesium alloy QE22 Robert Kocurek1,a, Janusz Adamiec2,a Department of Material Science and Metallurgy, Silesian University of Technology, Krasinskiego 8, 40-019 Katowice, Poland ae-mail: robert.kocurek@polsl.pl, be-mail: janusz.adamiec@polsl.pl Keywords: repair of casts, casting defects, QE22, magnesium welding, casts magnesium alloy Abstract.
Nowadays magnesium and its alloys are getting wider use in different industry, can compete successfully with much cheaper construction materials.
Acknowledgments This work was carried out with the financial support of the Ministry of Science and Higher Education under grant No.
Kiełbus, Structure and mechanical properties of castings MSR-B magnesium alloy, Journal of Achievements in Materials and Manufacturing Engineering, 18 (2006), 131-134
David, The effect of zirconium grain refinement on the corrosion behavior of magnesium-rare earth alloy MEZ, Journal of Light Metals, USA (2002), 1-16

Válek4,d 1 Department of Metallurgy and Foundry, and Regional Materials Science and Technology Centre, Faculty of Metallurgy and Materials, VŠB-Technical University Ostrava, 17. listopadu 15, 708 33 Ostrava-Poruba, Czech Republic 2 Department of Physical Chemistry and Theory of Technological Processes, and Regional Materials Science and Technology Centre, Faculty of Metallurgy and Materials, VŠB-Technical University Ostrava, 17. listopadu 15, 708 33 Ostrava-Poruba, Czech Republic 3 Silesian University of Technology, Institute of Technology Metals, Karsińskiego 8, 40-019 Katowice, Poland 4 Research, ArcelorMittal Ostrava a.s., Vratimovská 689, 707 02 Ostrava-Kunčice, Czech Republic a karel.gryc@vsb.cz, b bedrich.smetana@vsb.cz, c krystian.janiszewski@polsl.pl, d ladislav.valek@arcelormittal.com Keywords: steel, solidus temperature, liquidus temperature, thermal analysis, calculations.
The methods of study of metallurgical processes are also based on knowledge of thermodynamic properties of materials occurring in a given technology nodes.
Metallurgical and Materials Transactions B, 28B (1997) 281-297
Kattner, On differential thermal analyzer curves for the melting and freezing of alloys, Metallurgical and Materials Transaction A 33A (2002) 1779-1794
Smetana et al., Phase Transformation Temperatures of Pure Iron and Low Alloyed Steels in the Low Temperature Region Using DTA, International Journal of Materials Research, 101 (3) (2010) 398408

Shanahan, Journal of Membrane Science, 306 (2007) 66
Flanagan, Journal of Materials Science, 16 (1981) 3235
Rothenberger, Journal of Membrane Science, 212 (2003) 87
Tsuji, Journal of Membrane Science, 421-422 (2012) 355
Haraya, Advanced Materials Research, 117 (2010) 81

Introduction Hydrophobicity is the important properties of the material surface.
Acknowledgments This work was supported by the Natural Science Foundation of Hebei Province (grant no.
Neumann: Journal of Colloid and Interface Science, Vol. 93 (1983), p. 169-183
Neumann: Advances in Colloid and Interface Science, Vol. 121 (2006), p. 25
Tanaka: Materials Transactions Vol. 44 (2003), p. 2659