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Preliminary Experimental Evaluation of Buildability Improvement Methods for Concrete for 3D Printing
Online since: July 2023
Authors: Miguel A. Pando, Gaby Ruiz, Jordan Baldoceda, Javier Nakamatsu, Suyeon Kim, Rafael Aguilar, Guido Silva
This paper addressed this evaluation through laboratory tests (shear vane and Vicat tests) and stacking tests using a 3D printing system prototype developed by Silva et al. [11].
This test consisted of printing towers with a square section of 150 mm sides, as proposed by Silva et al. [11].
This result is in congruence with the reported defects in filaments of low-flowable concretes in Kazemian et al. [12].
For comparison purposes, Le et al. reported 15 stackable layers for a one-filament group using a circular nozzle of 9 mm in diameter, resulting in approximately 135 mm of stackable height, assuming a layer height equal to the nozzle diameter.
Aouad, K. el Cheikh, and S.
This test consisted of printing towers with a square section of 150 mm sides, as proposed by Silva et al. [11].
This result is in congruence with the reported defects in filaments of low-flowable concretes in Kazemian et al. [12].
For comparison purposes, Le et al. reported 15 stackable layers for a one-filament group using a circular nozzle of 9 mm in diameter, resulting in approximately 135 mm of stackable height, assuming a layer height equal to the nozzle diameter.
Aouad, K. el Cheikh, and S.
Online since: August 2019
Authors: Xavier Portier, Philippe Marie, Lakhdar Bechiri, Radia Kalai, Amara Otmani, Noureddine Benslim, Abdelaziz Amara
Effect of the Substrate Temperature on the Properties of SnO2 Thin Films Prepared by Ultrasonic Spray for Solar Cells Applications
Radia Kalai1,a, Amara Otmani1,b, Lakhdar Bechiri2,c*, Noureddine Benslim2,d, Abdelaziz Amara2,e, Xavier Portier3,f, Philippe Marie3,i
1LRPCSI, Faculté des Sciences, Université 20 Août 1955 Skikda, BP26 route El-Hadaek, 21000 Skikda, Algeria.
2LESIMS - LEAM, Département de Physique, Faculté des Sciences, Université-Badji Mokhtar, Annaba, Algeria.
3CIMAP, Centre de recherche sur les ions, les matériaux et la photonique, CEA, UMR 6252 CNRS, ENSICAEN, Normandie Université, 6-Boulevard du Maréchal Juin, Caen Cedex 14050, France.
In the contrary, Gordillo et al. [26] have previously reported that films deposited at temperature lower than 300°C show an amorphous character.
On the other hand, Rahal et al. [27] have deposited SnO2 at different substrate temperatures (400 and 480°C).
Nagasawa et al. [35] and Melsheimer et al. [36] reported that band gap energies for polycrystalline tin dioxide vary in the 3.35–3.3 eV and 3.9–3.5 eV ranges, respectively.
Akesteh, Characterization of ZnO:Al thin films obtained by spray pyrolysis technique, Materials Characterization 58 (2007) 319-322
In the contrary, Gordillo et al. [26] have previously reported that films deposited at temperature lower than 300°C show an amorphous character.
On the other hand, Rahal et al. [27] have deposited SnO2 at different substrate temperatures (400 and 480°C).
Nagasawa et al. [35] and Melsheimer et al. [36] reported that band gap energies for polycrystalline tin dioxide vary in the 3.35–3.3 eV and 3.9–3.5 eV ranges, respectively.
Akesteh, Characterization of ZnO:Al thin films obtained by spray pyrolysis technique, Materials Characterization 58 (2007) 319-322
Online since: February 2023
Authors: Blessie A. Basilia, Rhaye Stephen B. Sosa, Davison T. Baldos
[12] Pyo Y, Kang M, Jang J young, Park Y, Son YH, Choi MC, et al.
[44] Lebel LL, Aissa B, El Khakani MA, Therriault D.
[62] Li X, Yu R, He Y, Zhang Y, Yang X, Zhao X, et al.
[68] Huang T, Huang H, Jin DD, Chen QY, Huang JY, Zhang L, et al.
[73] Chan BQY, Chong YT, Wang S, Lee CJJ, Owh C, Wang F, et al.
[44] Lebel LL, Aissa B, El Khakani MA, Therriault D.
[62] Li X, Yu R, He Y, Zhang Y, Yang X, Zhao X, et al.
[68] Huang T, Huang H, Jin DD, Chen QY, Huang JY, Zhang L, et al.
[73] Chan BQY, Chong YT, Wang S, Lee CJJ, Owh C, Wang F, et al.
Online since: July 2022
Authors: Zahra Silvayeh, Josef Domitner, Christof Sommitsch, Besim Helic, Klemens Mraczek, Andreas Drexler
Linear fitting of Ag and Al gives
Ag=-0.27 fM+23.5 (6)
Al=-0.41 fM+35.5
Only Liu et al. [41] referenced the HE index to the reduction in fracture area RA instead of the fracture strain Al.
For example, Wang et al. [23] and Liu et al. [41] equipped their tensile testing machines with electrochemical cells to perform in-situ charging rather than charging before SSRT.
DP600 with largest Al was strained to 10 %, while DP800 and DP1000 with lower Al were strained to 5 % and to 1 %, respectively.
Belyaev, E.L.
Only Liu et al. [41] referenced the HE index to the reduction in fracture area RA instead of the fracture strain Al.
For example, Wang et al. [23] and Liu et al. [41] equipped their tensile testing machines with electrochemical cells to perform in-situ charging rather than charging before SSRT.
DP600 with largest Al was strained to 10 %, while DP800 and DP1000 with lower Al were strained to 5 % and to 1 %, respectively.
Belyaev, E.L.
Online since: April 2013
Authors: Zeid A. Al Othman, Mohammad Mezbaul Alam, Muhammad Naushad, Inamuddin Inamuddin, Mohd Farhan Khan
Dastjerdi el al. [421] has reviewed the properties and applications of inorganic nano-structured materials including TiO2 with good anti-microbial activity potential for textile modification.
[42] A.L.
El-Sayed, M.A.
El-Bassyouni, E.J.
Caves, E.L.
[42] A.L.
El-Sayed, M.A.
El-Bassyouni, E.J.
Caves, E.L.
Online since: February 2015
Authors: C.K.K. Nair, K.C. Dhanya
In many countries, GLY is used as a major therapeutic agent to treat chronic viral hepatitis and allergic dermatitis (Tanahashi et al., 2002; Baltina et al., 2003).
The heart homogenate was used for the determination of glutathione peroxidase (GPx) (Hafeman et al., 1974) and reduced glutathione (GSH) (Moron et al., 1979).
The heart homogenate was used for the determination of glutathione peroxidase (GPx) (Hafeman et al., 1974) and reduced glutathione (GSH) (Moron et al., 1979).
It possesses a major side effect, nephrotoxicity (Boogaard et al., 1991).
[27] Boogaard PJ, Lempers EL, Mulder GJ and Meerman JHN, “4-methylthiobenzoic acid reduces cisplatin nephrotoxicity in rats without compromising anti-tumor activity,” Biochemical Pharmacology. vol. 41, pp. 1997–2003, 1991
The heart homogenate was used for the determination of glutathione peroxidase (GPx) (Hafeman et al., 1974) and reduced glutathione (GSH) (Moron et al., 1979).
The heart homogenate was used for the determination of glutathione peroxidase (GPx) (Hafeman et al., 1974) and reduced glutathione (GSH) (Moron et al., 1979).
It possesses a major side effect, nephrotoxicity (Boogaard et al., 1991).
[27] Boogaard PJ, Lempers EL, Mulder GJ and Meerman JHN, “4-methylthiobenzoic acid reduces cisplatin nephrotoxicity in rats without compromising anti-tumor activity,” Biochemical Pharmacology. vol. 41, pp. 1997–2003, 1991
Online since: September 2018
Authors: Fateh Mebarek-Oudina, Oluwole Daniel Makinde, Jawad Reza
As of late, Singh et al. [18] utilized Runge-Kutta-Fehlberg strategy with shooting technique to take care of the issue of an MHD flimsy nanofluid stream between parallel plates with slip impacts.
Raza et al. [19-23] effectively tackled the fluid problems in a channel with shooting strategy under the various physical conditions.
Hatami et al. [24] researched the flow of nanofluid between expanding or contracting discs.
The step size squeezed much smaller if the obtained numerical value is not closer to the required accuracy (Raza et al. [36]).
Thermophysical properties of nanoparticles (Raza et al. [19]).
Raza et al. [19-23] effectively tackled the fluid problems in a channel with shooting strategy under the various physical conditions.
Hatami et al. [24] researched the flow of nanofluid between expanding or contracting discs.
The step size squeezed much smaller if the obtained numerical value is not closer to the required accuracy (Raza et al. [36]).
Thermophysical properties of nanoparticles (Raza et al. [19]).
Online since: July 2014
Authors: Velur Loganathan Raja, Arumugam Kumaravel
R,Gnanamoorthy et al investigated the effect of short fibres reinforcement in Nylon 66 and nanoclay reinforcement in Nylon 6 on the wear properties of the composites.
Apichartpattanasiri et al studied the effect of varying injection parameters on tribological properties of Nylon 66 and found that at low slip ratio, the effect of processing parameters were not significant.
Ravi Kumar et al mixed Nylon 66/polypropylene blends with nanoclay and short carbon fiber and studied their abrasive behaviour.
Suresha et al investigated the role of graphite, nanoclay and short carbon fiber on the properties of Nylon 66 and found that Nylon when mixed with all these three fillers collectively showed superior properties [7].
Abd-El-Messieh, S.H.
Apichartpattanasiri et al studied the effect of varying injection parameters on tribological properties of Nylon 66 and found that at low slip ratio, the effect of processing parameters were not significant.
Ravi Kumar et al mixed Nylon 66/polypropylene blends with nanoclay and short carbon fiber and studied their abrasive behaviour.
Suresha et al investigated the role of graphite, nanoclay and short carbon fiber on the properties of Nylon 66 and found that Nylon when mixed with all these three fillers collectively showed superior properties [7].
Abd-El-Messieh, S.H.
Online since: September 2008
Authors: John H. Perepezko, F. Rioult, R. Sakidja
Illustration of the diffusion path (dotted curve) for a diffusion couple between the Al rich
solid solution and γ phase.
Liu, Mater Sci Eng A, 2003. 344: p. 328-239. [3] Sakidja, R., et al., Scripta materialia, 2005. 53: p. 723-728
[6] Park, J.S., et al., J.
[17] Kir, T.A. and E.L.
[19] Perepezko, J.H., et al., Mater Sci Eng A 1995. 1-2: p. 1-11.
Liu, Mater Sci Eng A, 2003. 344: p. 328-239. [3] Sakidja, R., et al., Scripta materialia, 2005. 53: p. 723-728
[6] Park, J.S., et al., J.
[17] Kir, T.A. and E.L.
[19] Perepezko, J.H., et al., Mater Sci Eng A 1995. 1-2: p. 1-11.
Online since: August 2013
Authors: Muhammad Farid, Shi Fan Zhu, Raja Ahsan Javed
He used three methods of analysis, namely Ray et al., Schindler, and Sreenivasan/ Mannan.
Kim [7] used critical average stress fracture model to establish the relationship to predict the intrinsic fracture toughness of Al 7175-T74 and 17-4PH casting steel from the apparent fracture toughness of a notched-cracked specimen.
Loya [63-64] presented values of the static and dynamic fracture-initiation toughness of the aluminum alloy Al 7075-T651 at different loading rates obtained on three-point bend specimens with different thicknesses and different initial crack lengths.
Loading rate effect on fracture toughness of alumina (Al(2)O(3)) and magnesia (MgO) were analyzed.
Mahi, A, Castagnede, B: Poly test, 28 (2009) 780–783 [51] Sun, SY, Chen, HR: Comp sci and tech, 70 (2010) 1011–1016 [52] Rong, JL, Wang, X, Cao, MS, Xu, TF: Ch phy lett, Vol. 27, No. 8 (2010) 086201 [53] Tarpani, JR, Gatti, MCA: Polimeros-ciencia e tecnologia, vol. 20, n. especial, p. 345-351, 2010 [54] Hu, WK, Ha, YD, Bobaru, F: Int. j, for ms comput engg, Vol 9 Issue 6 Pages 707-726 Pub 2011 [55] Mustafa, RJ, Al-Hamdan, AA, Nimir, YL: Mat and manuf proc, 26 579–585, 2011 [56] Shimamoto, A, Kubota, R: key engg mat Vol: 261-263 Pages 331-336 Part 1&2 Pub 2004 [57] Shimamoto, A, Kubota, R: Mat Sci F., Vol 488-489 Pages 853-858 [58] Hwang, DY, Shimamoto, A: Mat Sci F.
Kim [7] used critical average stress fracture model to establish the relationship to predict the intrinsic fracture toughness of Al 7175-T74 and 17-4PH casting steel from the apparent fracture toughness of a notched-cracked specimen.
Loya [63-64] presented values of the static and dynamic fracture-initiation toughness of the aluminum alloy Al 7075-T651 at different loading rates obtained on three-point bend specimens with different thicknesses and different initial crack lengths.
Loading rate effect on fracture toughness of alumina (Al(2)O(3)) and magnesia (MgO) were analyzed.
Mahi, A, Castagnede, B: Poly test, 28 (2009) 780–783 [51] Sun, SY, Chen, HR: Comp sci and tech, 70 (2010) 1011–1016 [52] Rong, JL, Wang, X, Cao, MS, Xu, TF: Ch phy lett, Vol. 27, No. 8 (2010) 086201 [53] Tarpani, JR, Gatti, MCA: Polimeros-ciencia e tecnologia, vol. 20, n. especial, p. 345-351, 2010 [54] Hu, WK, Ha, YD, Bobaru, F: Int. j, for ms comput engg, Vol 9 Issue 6 Pages 707-726 Pub 2011 [55] Mustafa, RJ, Al-Hamdan, AA, Nimir, YL: Mat and manuf proc, 26 579–585, 2011 [56] Shimamoto, A, Kubota, R: key engg mat Vol: 261-263 Pages 331-336 Part 1&2 Pub 2004 [57] Shimamoto, A, Kubota, R: Mat Sci F., Vol 488-489 Pages 853-858 [58] Hwang, DY, Shimamoto, A: Mat Sci F.