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Discussion on Measuring Methods of Deformation of Concrete at Early Ages Qi Liu1, a, Yingzi YANG1, b, and Hongwei Deng1 1 School of Civil Engineering, Harbin Institute of Technology, Harbin, 150001, China a Soulworld67@gmail.com, b yzyang@hit.edu.cn Keywords: Concrete, Deformation at Early Age, Measuring Method.
A big tube made by engineering plastics is attached on the cover, and a thin glass tube with scale is inserted in the middle of it.
References [1] Hengjing Ba, Xiaojian Gao and Yingzi Yang: Research on shrinkage cracking of concrete and its prevention, Quality of Engineering (2002), p. 197-199 (In Chinese) [2] Standard for test methods of long-term performance and durability of ordinary concrete, (GB/T50082-2009).
International RILEM Conference on Early Age Cracking in Cementitious System——EAC`01.
[8] Qian Tian and Jensen Ole Mejlhede: Measurement with Corrugated Tubes of Early Age Autogenous Shrinkage Cement-Based Materials, volume 37 of The Journal of Chinese Ceramic Society (2009), NO. l, p. 39-45

Experimental Researches and Finite Element Analysis of Stress Distributions and Deformations of Al Based Powders During Compaction Ileana Nicoleta POPESCU1,a*, Alexis Daniel NEGREA1,b, Mihǎiţǎ Nicolae ARDELEANU1,2,c, Claudiu NICOLICESCU3,d, Carmen Otilia Rusǎnescu4,e 1Faculty of Materials Engineering and Mechanics, VALAHIA University of Târgovişte 2S.C.
Celteh Mezotronic SRL, 6a Calea Campulung Street, Târgovişte, Romania 3Faculty of Mechanics, Department of Engineering and Management of the Technological Systems, Drobeta Turnu Severin, Mehedinti, University of Craiova, Romania apinicoleta24@yahoo.com,, balexis.negrea@yahoo.com, cmihaita.nicolae.ardeleanu@yahoo.com, dnicolicescu_claudiu@yahoo.com edanungureanu2002@yahoo.com, frusanescuotilia@gmail.com Keywords: Mixed Al based powders, Compaction, Densification Mechanism, FEA, Sintered Al-Cu and Al-Mg-Si alloys Abstract.
For prediction of optimal pressure applied and to obtain the best densifications of all powder mixtures Ghiţã and Popescu [6] studied the compressibility of Al-SiC composites as a function of compaction pressure and ceramic particle proportion by using different compression equations [7- 9].
Zamfir, et.al., International Journal of Mechanics, 4(3) (2010) 43-52
Arabian Journal for Science and Engineering (2018) 1-15

The sand was purchased locally within Ota, Ogun state and delivered to the Civil Engineering Laboratory.
Bhavesh, and S.K Duggal, Study of waste plastic mix concrete with plasticizer International Scholarly Research Network, ISRN Civ Eng. (2012), 1–5
Opara and C.U Anya, mechanical properties of palm kernel shell concrete in comparison with periwinkle shell concrete Malaysian Journal of Civil Engineering 29(2017) 1-14 [31] R.K.
Jackson, Civil Engineering Materials 5th ed.
International Journal of Engineering Research and Applications, 3(2017) 713–721 [40] S.O Odeyemi, O.O Otunola, A.O Adeyemi, W.O Oyeniyan, and M.Y Olawuyi, Compressive strength of manual and machine compacted sandcrete hollow blocks produced from brands of Nigerian cement American Journal of Civil Eng. 3(2015) 2-3

Magnesium-Based Biomedical Devices Degradation Control by Means of Multilayer Coatings Tullio Monetta1,a* and Annalisa Acquesta1,b 1Chemical Engineering, Materials and Industrial Production department, University of Napoli Federico II, Napoli, 80125, Italy amonetta@unina.it, bannalisa.acquesta@unina.it Keywords: AZ31, biomedical device, resorbable, corrosion control, biomaterials, bio-inspired coatings.
The PEO treatment, also called micro-arc oxidation (MAO), is an electrochemical treatment that generates a ceramic film on the metal surface [3].
Metals and Materials International 12.3 (2006), pp. 193–206
[6] T Monetta et al., “Durability of AZ31 magnesium biodegradable alloys polydopamine aided: Part 1”, Journal of Magnesium and Alloys 5 (2017), pp. 412–422
[7] A Carangelo et al., “Durability of AZ31 magnesium biodegradable alloys polydopamine aided: Part 2: ageing in Hank’s solution”, Journal of Magnesium and Alloys 7 (2019), pp. 218–226

Hui, “Additive manufacturing (3D printing): A review of materials, methods, applications and challenges,” Composites Part B: Engineering, vol. 143.
Coelho, and J.V.L. da Silva, “Hybrid manufacturing: a review of the synergy between directed energy deposition and subtractive processes,” International Journal of Advanced Manufacturing Technology, vol. 110, no. 11–12.
Bris, “On the relationship between cutting forces and anisotropy features in the milling of LPBF Inconel 718 for near net shape parts”, International Journal of Machine Tools and Manufacture, 2021, Vol 170, ISSN: 08906955, DOI: 10.1016/j.ijmachtools.2021.103801
Ma, “Metal binder jetting additive manufacturing: A literature review,” Journal of Manufacturing Science and Engineering, Transactions of the ASME, vol. 142, no. 9.
American Society of Mechanical Engineers (ASME), Sep. 01, 2020, doi: 10.1115/1.4047430

The Role of Surface Area of ZnO Nanoparticles as an Agent for some Chemical Reactions Mohamad Sahban Alnarabiji 1,a, NoorhanaYahya2,b*, Sharifah Bee Abd Hamid4,c, KhairunAzizi 1,d, Muhammad Kashif3,e, Saima Qureshi2,f, Bilal Alqasem2,g 1Department of Chemical Engineering, Universiti Teknologi PETRONAS 2Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS 3Department of Electrical and Electronics Engineering, Universiti Teknologi PETRONAS Bandar Seri Iskandar, 31750 Tronoh, Perak DarulRidzuan, Malaysia 4Combinatorial Technology and Catalysis Research Center (COMBICAT), Universiti Malaya 50603Kuala Lumpur, Malaysia aneeroo-n@hotmail.com,*bnoorhana_yahya@petronas.com.my,csharifahbee@um.edu.my, dkhairun_azizli@petronas.com.my, ekashifmughal79@gmail.com, fsaima_qureshi_25@yahoo.com, gBilalalqasem@yahoo.com Keywords: zinc oxide nanoparticles (ZnO-NPs), microwave, surface area, Enhanced Oil Recovery (EOR) Abstract.
Xue, Solution growth of nano-to microscopic ZnO on Zn, Journal of Crystal Growth. 310 (2008) 1836-1840
Petra Schuchmann, Controlled droplet coalescence in miniemulsions to synthesize zinc oxide nanoparticles by precipitation, Chemical Engineering Science. 92 (2013) 126-133
Hamid, Sol–gel synthesis, characterization, and neurotoxicity effect of zinc oxide nanoparticles using gum tragacanth, Ceramics International. (2013)
Vanmaekelbergh, Spontaneous assembly of a monolayer of charged gold nanocrystals at the water/oil interface, Angewandte Chemie International Edition. 43 (2004) 458-462

Bartos, Review paper: Bond in fiber reinforced cements and concretes, The International Journal of Cement Composites, 3 (1981) 159-177
No. 83/23, Earthquake Engineering Research Center.
TR-2013-SHR, Naval Facilities Engineering Service Center, Port Hueneme, California. 1994
Mohamed Ali, Local and global bond characteristics of steel reinforcing bars, Engineering Structures, 30 (2008) 376-383
Parthasarathy, Theoretical analysis of the fiber pull-out and push-out tests, Journal American Ceramic Society, 74 (1991) 1585-1596

Synthesis and Humidity Controlling Behaviors of Kaolinite/Polyacrylic Acid Composite Wang Jihui , Sun Hongye and Ren Shuping School of Materials Science and Engineering, Tianjin University;Tianjin Key Laboratory of Composite and Functional Materials,Tianjin 300072, P.
Acknowledgement This work was financially supported by Key Project of Tianjin Natural Science and Foundation No. 08JCZDJC18000 and Foundation of Key Laboratory of Silicate Materials Science and Engineering (Wuhan University of Technology),Ministry of Education, No.SYSJJ2004-05.
B, 2003, 107:7006-7014 [5] Lutian Feng, Yiguang Tian, Shuang Shi, Ronggang Jin, Preparation of montmorillonite / polyacrylamide composite and properties of humidity controlling materials, Journal of Shenyang Institute of Chemical Technology, 1999,13(1): 1-5 (In Chinese) [6] Qunwei Tang, Jianming Lin, Jihuai Wu, Chuanjuan Zang, Preparation, properties and characterization of expanded vermiculite/poly (potassium acrylate- acrylamide) superabsorbent composite, Functional Materials, 2006, 37(9): 1510-1513 (In Chinese) [7] Jihui Wang, Zhiwei Wang, Shanshan Ma, Xizeng Feng, Synthesis, humidity controlling and antibacterial behaviors of potassium acetate/ polyacrylamide composite, Chemical Industry and Engineering, 2009,26(3): 189-193 (In Chinese) [8] S Tomura,Research on synthesis of kaolinite clay and humidity conditioning materials,Journal of the Ceramic Society of Japan,2002,110 (2)：71-77 [9] Y Sugahara, K Satokawa, K Kuroda, C Kato, Evidence for the formation of interlayer polyacrylonitrile
Study on superabsorbent composites IX: synthesis, characterization and swelling behaviors of polyacrylamide/clay composites based on various clays, Reactive and Functional Polymers, 2007, 67(8): 737-745 [12] Jihuai Wu,Yueling Wei,Jianming Lin,Songbai Lin,Study on starch-graft-acrylamide/ mineral powder superabsorbent composite, Polymer, 2003,44(21)：6513-6520 [13] Jihuai Wu,Yuelin Wei,Jianming Lin, Songbai Lin,Preparation of starch-graft-acrylamide / kaolinite superabsorbent composite and the influence of hydrophilic group on its water absorbency, Polymer International,2003,52：1909-1912 [14] M S Choudhary, Inverse suspension polymerization of partially neutralized and lightly cross-linked acrylic acid: effect of reaction parameters, Macromol.

In surface modification technology, hard materials such as ceramics are coated onto the surface of another material.
Yoshihara, Masakazu Hirano, and Takehiko Eto: Journal of the Japan Institute of Light Metals, Vol. 51, No. 4 (2001), p. 238
Fujiwara: International Journal for Manufacturing Science & Technology Vol. 5, No. 2, 2003/2004, p. 39
Strafford: “Progress in Coated Cutting Tool Science and Technology,” Advances in Surface Engineering, Vol.
III (Engineering Applications), edited by P.

Cogent Engineering, 6(1) (2019)
Arabian Journal of Science and Engineering, 44(10) (2019) 8545–8555
Concrete construction Engineering Handbook. 2nd Edition (2008).
Journal of American ceramic Society. 93 (9) (2010) 2582-2590
In IOP Conference Series: Materials Science and Engineering, 374, (2018) 012019