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Specimen Material and interaction The model consists of five parts: outer steel tube, inner steel tube, core concrete, support, and hammer.
Acknowledgments The research in the paper is part supported by the National Natural Science Foundation of China (NSFC) (51108296).
Shen: Experimental studies on concrete filled steel tubes under high strain rate loading, Journal of Materials in Civil Engineering, 21(10) 2009, p. 1251 [4] J.S.
Xiao: Impact behavior of concrete-filled steel tubular stub columns under ISO-834 standard fire, Civil Engineering Journal, 45(04) 2012, p. 9 [5] M.R.
Hou: Study on performance of circular concrete-filled steel tubular (CFST) members under low velocity transeverse impact, Journal of Tsinghua University, 2012

Among the various coated materials, several binary and ternary oxide systems have developed to be potential coatings against external circumstances.
Experiments Materials and Preparations.Partial Y2O3 stabilized ZrO2 used in thermal barrier coatings are powder of size 40-80μm.
Huang: Materials Science and Engineering R 36 (2002), p.143–206 [6] Z.
Hong: Materials Science and Engineering Vol.A415 (2006), p.149-155
Chou, Journal of America Ceramic Society, 91, 1539(2008)

Length-Scale-Dependent Micromechanical Modeling for Precipitate Hardening in Inconel 718 Superalloy Chang-Feng Wan1, Dong-Feng Li1,a, Hai-Long Qin2,3, Ji Zhang2,3 and Zhong-Nan Bi2,3,b 1School of Science, Harbin Institute of Technology, Shenzhen 518055, China 2Beijing Key Laboratory of Advanced High Temperature Materials, Central Iron and Steel Research Institute, Beijing 100081, China 3GAONA Aero Material Co., Ltd., Beijing, 100081, China alidongfeng@hit.edu.cn, bbizhongnan21@aliyun.com Keywords: IN718 superalloy; Strain gradient; Crystal plasticity; Dislocation-based hardening; Size effect Abstract.
It is well known in literatures [7-9] that the precipitate size is a key factor to alter the relevant strengthening mechanisms in crystalline materials.
Materials Science and Engineering: A, 2018. 728: p. 183-195
Journal of Alloys and Compounds, 2018. 740: p. 997-1006
International Journal of Plasticity, 2005. 21(9): p. 1797-1814

Nowadays, many kinds of materials are used for blasting such as steel granulate or grit, cast iron granulate or grit, stainless steel materials, ballotini, corundum and plastic abrasive.
The mechanical parameters of the used materials are given in Table 1 below.
Table 1 – Mechanical properties of the used materials [7].  
Selected properties of abrasive materials are given in Table 3.
Journal of Materials Processing Technology. vol. 72. p. 333-341. 1997

Carbide-metal matrix composite materials are known for a high resistance to all types of wear.
This indicate that the WC particles can greatly improve the properties of the Fe-based surface composite materials
Journal of materials science Vol.40(2005),P.2751 [11] Jodender Singh, J.Mezumder.
Metallurgical and Materials Transactions A,Vol.18A(1987),P.313 [12] Shiyao Qu, Xinhong Wang, Min Zhang, etc.
Journal of materials science,Vol.39(2004),P4553 [14] H.J.

Franzoni, Mechanical properties of corrosion-damaged reinforcement, ACI Materials Journal, 102, 4 (2005) 256-264
Aziz, Rasheeduzzafar, Effect of reinforcement corrosion on bond strength, Construction and Building Materials, 10, 2 (1996) 123-129
Materials and Structures. (2016); 49(1), 537-551
Rokugo, Mechanical performance of corroded RC member repaired by HPFRCC patching, Construction and building materials, 39 (2013) 139-147
Materials and Structures, 48, 1 (2013) 249-260

Electroless Deposition of NiMoB Diffusion Barrier Layer Film for ULSI-Cu Metallization Yue-chun Wanga, Xiu-hua Chena,*, Wen-hui Mab, Xue-mei Liua, Yu-ping Lia, Ping Bia and Fu-wei Xianga aSchool of Materials Science and Engineering, Yunnan University, Kunming, China bNational Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology, Kunming, China Corresponding author: Name: Xiu-hua Chen, E-mail address: chenxh@ynu.edu.cn Keywords: Electroless deposition, NiMoB film, Diffusion barrier layer, Failure mechanism Abstract.
In addition, materials such as Ni-W-B [17], Ni-Re-P [18], Co-W-B [19] and so on were investigated both in china and abroad.
Kumar: Applied Surface Science, Vol. 258 (2012) No.20, p.7962-7967
[10] Namwoong Paik: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 229 (2005) No.3-4, p.436-442
Li: Applied Surface Science, Vol. 282 (2013), No.5, p.632– 637

Methodology Materials The main tools used in this research are the fermentation reactor for making eco-enzyme, pH meter Eutech Instruments, Beaker Glass Iwaki, Top Loading balance Ohaus, Brand measuring cup, Hotplate-Stirrer Ika-Cimareg, Jar Test Velp Scientifica, TDS meter Horiba brand, UV-Vis Spectrophotometer Thermo Scientific model Genesys 30.
Dhewa, "Review on bioremediation of polluted environment:: A management tool," International journal of environmental sciences, vol. 1, no. 6, p. 1079, 2011
Meera, "Treatment of synthetic greywater using 5% and 10% garbage enzyme solution," Bonfring International Journal of Industrial Engineering and Management Science, vol. 3, no. 4, pp. 111-117, 2013
Raja, "Purification of Contaminated Water Using Eco Enzyme," in IOP Conference Series: Materials Science and Engineering, 2020, vol. 955, no. 1: IOP Publishing, p. 012098
Liu, "Test research of different material made garbage enzyme’s effect to soil total nitrogen and organic matter," in IOP Conference Series: Earth and Environmental Science, 2020, vol. 510, no. 4: IOP Publishing, p. 042015

Batch materials from several suppliers were used for glass synthesis.
We suppose that this discrepancy between data of different authors may be caused as by difference in the batch materials quality as by the different synthesis conditions.
The objective of present research is to choose optimal synthesis condition for As-Se glasses with the use of different batch materials.
To decrease the impurity oxygen content heat treatment of the batch starting materials before their weighting and of batch in silica ampoule before sealing are very useful.
Plotnichenko, Effect of oxygen Impurity on the optical transmission of As2Se3.4 glass, Inorganic Materials 37 (2001) 1188–1194 [8] C.T.

Materials and Methods Reagents The materials used for this work were: Potassium sulphate (VETEC), titanium dioxide (VETEC) and bentazone (SIGMA-ALDRICH).
Journal of Saudi Chemical Society.
Applied Clay Science, 90, (2014) 135-140
Journal of Hazardous Materials, 260, (2013) 569 – 575
Journal of Hazardous Materials, 171 (2009) 294-300.