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For example, it can be used as building materials, most for paving and backfilling.
Steel slag includes much calcium and silicon, similar to those of clay, which means that it can be one of the raw materials for ceramic sintering.
Nowadays, about 50%~60% of steel slag is utilized, and about 10% of it is used as building materials, most for paving and backfilling.
Steel slag includes much calcium and silicon, and the main components are similar to those of clay, which are main raw materials for ceramic sintering.
Thus the aperture between powders of the raw materials cannot be filled with glass phase, and the pores were left after sintering.

REFERENCES [1] Barnaure, M., Bonnet S., Poullain P., Earth buildings with local materials: assessing the variability of properties measured using non-destructives methods, submitted for second reviewing in CBM journal, January 2021
Construction and Building Materials, 83, 314-319
Applied Clay Science, 44(1-2), pp. 27-34
Construction and Building Materials, 61, pp. 327-339
Construction and Building Materials, 257, 119544.

In 1980's, several countries, such as USA, Japan, and Canada, already realized that the service life of the deck is critical for that of the whole bridge, and the research was initiated to develop new material and structural system to improve deck behavior.
In 1980s, several countries, such as USA, Japan, and Canada, already realized that the service life of the deck is critical for that of the whole bridge system, and they begun the research to develop new material and structural system in order to improve deck behavior.
R01-2005-10395-0 from the Basic Research Program of Korea Science & Engineering Foundation and the 2004 Hongik University Research Support Fund, respectively.
Jung: Journal of KSCM Vol. 16 No. 3 (2003), p. 32 [3] J.H.

As previously mentioned in Introduction, titanium alloys are self-passivating materials and if raw substrate is exposed under cracks, very thin layer of titanium oxide if spontaneously formed on this surface under body environment.
Acknowledgement This paper was created with the contribution of the projects Student Grant Competition SP2017/60 Specific research in metallurgy, materials and process engineering, and SP2017/58 Study of relationships between structural parameters and properties of advanced materials.
Materials Science and Engineering, 33 (2013), 2084–2093 [4] M.
Lemons, Surface Analysis and Biocorrosion Properties of Nanostructured Surface Sol–Gel Coatings on Ti6Al4V Titanium Alloy Implants, Journal of Biomedical Materials Research, (2006) [5] P.
Journal of Sustenable Energy 1 (2010)

XRD, SEM, and TEM experiments were performed at the Materials Characterization Facility of Nanjing University of Science and Technology.
Lacorre, Chemistry of Materials. 14 (2002) 3569–3575
Su, A new method for preparing V2O3 nanopowder, Materials Letters 59 (2005) 2729–2731
Journal of Power Sources 196 (20) (2011) 8644–8650
Materials Chemistry and Physics 177 (2016) 543–553

Experimental Part Analysis of input materials.
Results and Discussion Analysis of input materials.The particle distribution analysis results are summarized in Table 3.
A review: Surface pretreatment by phoshate conversion coatings, Advanced Material Science.
Phosphate conversion coatings on steel, Journal of Materials Science 12 (1977), 2235-2240
Lu, Phosphate chemical conversion coatings on metallic substrates for biomedical application: A review, Materials Science and Engineering C 47 (2015), 97-100.

Effect of Polar Molecule Urea on TiO2/Urea ER Fluid Properties and microstructure Suokui TAN 1,2, a, Xiaoping SONG 2,b , Li Qiao 1.c, Hongyan GUO 1,d, Song JI 1,e, Hong ZHAO 3,f 1Ningbo Branch of China Academy of Ordnance Science, Ningbo, China 2 Xi，an Jiaotong University，Xi，an China,3 Dalian University of Technology, Dalian, China atansuokui@126.com, bxpsong@mail.xjtu.edu.cn, cQiaoli040920@163.com , dnbguohongyan@163.com，ejisongnb@126.com，fzhaohong@dlut.edu.cn Key words：Electrorheological effect, TiO2/Urea particles, ER photograph Abstract：By way of mechanical properties test and microstructure observation，the effect of Urea on TiO2 particles has been researched，it has showed that ER fluid activity of the particles were closely associated with urea content.
Because of the controllable viscosity and the fast response, ER fluids are regarded as smart materials with potential for application in active devices such as shock absorbers, engine mounts, clutches, brakes, actuators, control valves, robotic devices, etc[4-6].
[4] Suokui TAN, Xiaoping SONG [J] Advanced Materials Research Vols. 152-153 2011 pp 1111-1114 [5] Cho M S, Cho Y H, Choi H J, Ahn W S.
[6] Suokui TAN [J] Advanced Materials Research Vols. 211-212 (2011) pp 775-779 [7] Suokui TAN, Xiaoping SONG [J]Advanced Materials Research, 2011, v213: 437-440 [8] Yang jianguo, Journal of Inorganic Materials, 2010, v25(3):259-264

Materials and methods Reagents And Equipment.Equipment: HH-S4 thermostatic water bath pot, JJ-1 type precision power electric blender, 101-3 type electric heating air blast constant temperature drying oven, biochemical incubator LRH-150, YX280B type portable stainless steel steam sterilizer, IR prestige-21 type infrared spectrophotometer Reagents: 100ml 10% sodium silicate (analysis), 125ml 8% sodium bicarbonate (analysis), and 100ml of known concentrations of copper sulfate (analysis), e. coli bacteria (train the third generation), nutrient AGAR medium.
Metal ion concentration is 0.05 mol/L, 0.07 mol/L and 0.09 mol/L, the conversion rate of copper ion was almost no difference，in order to avoid the unnecessary waste of raw materials, metal ions concentration is 0.05 mol/L for the best.
References [1]Bin Zhang,Xiping Li,infeng Bai.Preparation and antibacterial effect of antibacterial white carbon black.Chemical new materials,32(3),2004:23-25
Preparation and its antibacterial properties of Ag-Si02 nanometer antibacterial powder material.Inorganic salt industry,38 (1),2006:56-58
Inorganic antibacterial silver nanometer and its application in textile [J].Journal of Shanghai textile science and technology, 2003, 31 (3) : 54-56

Oh 2 1 Dept. of Materials Science & Engineering, Mokpo National University, Muan, 534-729, Korea.
lee@mokpo.ac.kr 2 School of Materials Engineering, Yeungnam University, Kyoungsan, 712-749, Korea.
Materials and Methods Uncrushed and washed raw eggshell was calcined in an air atmosphere at various temperatures up to 1000°C for 1h at each temperature.
Finally, eggshell is a very expectable material for application to synthesis of calcium phosphate ceramics.
The calcium phosphate ceramics synthesized by eggshell is expected to a superior biocompatible materials than the other chemical synthesized powders.

Experiment equipment and materials of casing wear Block-on-ring type drillpipe casing friction and wear tester is developed in order to complete the experiment of casing.
Wear experiment materials of casing and drillpipe.
Geometric and physical parameters of the casing material are shown in Table 1.
Fontenot: submitted to Journal of Petroleum Technology(1975) , p.1 [3] Bruno Best: submitted to SPE Drilling Engineering(1983) , p.1 [4] Williamson J.
L., Sun, L.Z., Lian, J.H: Petroleum Science Vol.2010 (4) (2010), p.494 [6] Hall, R.