Search results

Tribological Properties of Zirconium Oxide, Spinel and Mullite Nanopowders as Lubricating Oil Additives Armands Leitans1,a* and Eriks Palcevskis 2,b 1Institute of Mechanical Engineering, Riga Technical University, Ezermalas Str. 6, Riga, Latvia 2Plasma & Ceramic Technologies Ltd., 34 Miera st., Salaspils, Latvia, LV-2169 aarmands.leitans@rtu.lv, bpalcevskis@inbox.lv Keywords: oil additive, ceramic nanopowders, spinel, mullite, zirconium oxide Abstract.
Materials and methods Ceramic nanopowders.
As well were prepared, nanoparticle compositions with base oil, ceramic powder nanoparticles mixed in oil at 0,5; 1,0; 2,0 wt.% concentrations, using homogenizer T8 Ultra-Turrax for 3min.
Bai, Tribological behaviors of surface-coated serpentine ultrafine powders as lubricant additive, Tribology International 43 (2010) 667–675 [6] Ting Luo, Xiaowei Wein, Xiong Huang, Ling Huang, Fan Yang Tribological properties of Al2O3 nanoparticles as lubricating oil additives Ceramics International 40 (2014) 7143–7149 [7] Ting Luo, Xiaowei Wein, Haiyan Zhao, Guangyong Cai, Xiaoyu Zheng, Tribology properties of Al2O3/TiO2 nanocomposites as lubricant additives, Ceramics International 40 (2014) 10103–10109 [8] Sheida Shahnazar, Samira Bagheri, Sharifah Bee Abd Hamid, Enhancing lubricant properties by nanoparticle additives, International journal of hydrogenenergy 41 (2016) 3153-3170 [9] Zalite I., Grabis J., Palcevskis E., Herrmann M., Plasma Processed Nanosized-Powders of Refractory Compounds for Obtaining Fine-Grained Advanced Ceramics.
Series: Materials Science and Engineering 18 (2011) 062024, 5 p. http://iopscience.iop.org/1757-899X/18/6/062024.

Li, in: Concrete Construction Engineering Handbook, editted by E.
Lin, Journal of Materials in Civil Engineering, Vol. 12 (2000), p 147-156
Mishra, Journal of American Ceramics Society, Vol. 79 (1996), p 74-78
Hashida, Journal of the American Ceramic Society, Vol. 79 (1996), p.74-78
Zhang, Journal of Materials in Civil Engineering, ASCE, Vol. 17 (2005), p 144-152

To produce dense ceramic parts via solid state sintering on the other hand requires submicrometer sized starting powder.
To achieve a high flowability, fine ceramic powders can be coated to produce spherical granules.
However, the ceramic components obtained still exhibited a high porosity (~50%) .
References [1] Hwa-Hsing Tang, Ming-Lu Chiu and Hsiao-Chuan Yen: Journal of the European Ceramic Society Vol. 31 (2011) 1383-88 [2] Khuram Shahzad, Jan Deckers, Stijn Boury, Bram Neirinck, Jean-Pierre Kruth and Jef Vleugels: Ceramics International Vol. 38 (2012) 1241-47 [3] Subramanian K, Vail N, Barlow J, Marcus H: Rapid Prototyping J. 1 (1995) 1:24-35 [4] Bai Peikang，Cheng Jun and Liu Bin: Trans.
Kim: Materials Science and Engineering A299 (2001) 116-124

Simulation on material removal during reciprocating traveling WEDM of insulating ceramics Yongfeng Guo1,a, Pengju Hou1,b, Liuxian Sun1,c , Li Wang1,d and Zongfeng Li1,e 1 School of Mechatronics Engineering, Harbin Institute of Technology, 92 west Dazhi Street, Nan Gang District, Harbin 150001, China a guoyf@hit.edu.cn, b pengju_hou@163.com, c sunliuxian@sohu.com, d wanglinixing@163.com, e Lizongfeng123@163.com Keywords: Insulating ceramics; Reciprocating traveling WEDM; Material removal; Double layer structure model; Simulation Abstract: With the double layer structure model, the material removal of insulating ceramics ZrO2 during the machining process by reciprocating traveling wire electrical discharge machining (WEDM) was simulated and analyzed.
The clearly of insulting ceramics material removal mechanism and removal properties are extremely important for understanding the WEDM of insulating ceramics.
In this simulation analysis, the conductive layers on the surface of ceramic are defined as C and ZrC separately while the matrix is ZrO2 insulating ceramic.
[3] Takayuki Tani, Yasushi Fukuzawa, Naotake Mohri, Nagao Saito, Masaaki Okada: Machining phenomena in WEDM of insulating ceramics, Journal of Materials Processing Technology, 149 (2004), p.124-p.128 [4] B.
Liu: Influence of secondary electro-conductive phases on the electrical discharge machinability and frictional behavior of ZrO2-based ceramic composites, Journal of Materials Processing Technology, 208 (2008), p.423-p.430 [6] S.

Asymmetric Four Point Bend Test Method for Interlaminar Shear Strength in Ceramic Matrix Composites Prakash Jadhav1, Chhaya Lande2 1SRM University AP, Andhra Pradesh, India 2Symbiosis Institute of Technology, Symbiosis International University, Lavale, Pune, India aprakash.j@srmap.edu.in; bchhaya.lande@sitpune.edu.in; Keywords: Ceramic matrix composites, CMC, Shear strength, Test method development Abstract: Asymmetrical Four Point Bend test method is proposed for measurement of interlaminar shear strength in continuous fiber reinforced ceramic composites.
J, ASTM Journal of Testing and Evaluation, (2007), vol. 35, no. 3, pp. 310-320
[4] Prakash Jadhav, Effect of ply drop in aerospace composite structures, Key engineering materials, (2020), 847, pp 46-51
[6] Prakash Jadhav and Lakshmi Yella Gruha, IOP Conference Series: Materials science and engineering, (2021), vol 1126, doi 10.1088/1757-899X/1126/1/012036 [7] ASTM Standard D2344: Standard test method for apparent interlaminar shear strength of parallel fiber composites by short-beam method, (2016) [8] Prakash Jadhav, Failure criteria for composite blades with wavy edge in aerospace applications, Advances in materials and mechanical engineering, Springer,(2021). https://doi.org/10.1007/978-981-16-0673-1_9 [9] ASTM Standard D3846: Standard test method for in-plane shear strength of reinforced plastics, American society for testing and materials, (2016) [10] Prakash Jadhav, Design Methodologies for Composite Structures in Aircraft Engines, Advanced composites in aerospace engineering applications, (2022), Springer, 93-108. https://doi.org/10.1007/978-3-030-88192-4_4 [11] ASTM Standard D5379, Standard test method for shear properties of composite materials by
[15] Fok and J Smart, The notched beam in asymmetric four-point bending for brittle material testing, The Journal of Strain Analysis for Engineering Design, (1994), 29(4):289-298.

Barbeck,, An introduction to bone tissue engineering, The International Journal of Artificial Organs. 00(0) (2019) 1-18
Mozafari, Scaffold for bone tissue engineering, Bioengineering Research Group, Handbook of Tissue Engineering Scaffolds. 1 (2019) 189-209
PETER, Polymeric Scaffolds for Bone Tissue Engineering, Annals of Biomedical Engineering. 32 (2004) 477-486
Alwan, Porous Biphasic Calcium Phosphate for Biomedical Application, Journal of Biomimetics, Biomaterials and Biomedical Engineering. 49 (2021) 101-110
Selvamurugan, Biocomposites containing natural polymers and hydroxyapatite for bone tissue engineering, International Journal of Biological Macromolecules. 47 (2010) 1-4

The PTCR effect induced by grain boundary segregation in acceptor Chao Fanga and Liangyan Chenb Institution of Electrical and Electronic Engineering, Wuhan Polytechnic University, Wuhan 430023, China ayyohjh@sina.com, bchenzi2010@163.com Keywords: segregation; semiconductive; PTCR; ceramics; grain boundary Abstract.
Further, the PTCR effect of BaTiO3 semiconductive ceramics was calculated.
Further, the PTCR effect of BaTiO3 semiconductive ceramics was calculated.
Nanni: Journal of the Korean Physical Society.
Castro: Ceramics International.

Becker, "Surface Integrity in Machining AISI 4340, Journal of Engineering for Industry, 98(3), pp. 999-1007, (1976)
R., "Effect of Hardness on the Surface Integrity of AISI 4340 Steel", Journal of Engineering for Industry, 108, pp. 169-175, (1986) [19] Guo, Y.
R., "3D FEA Modeling of Hard Turning", ASME Journal of Manufacturing Science and Engineering, 124, pp. 189-199, (2002)
Phadke, "Quality Engineering using Robust Design", Prentice-Hall International Inc., Englewood Cliffs, NJ, (1989)
[24] Taguchi, G., "Introduction to Quality Engineering", Asian Productivity Organization, Tokyo, Japan, (1990)

Drying (Consolidation) Porous Ceramic by Considering the Microscopic Pore Temperature Gradient Zawati Harun1, a, David Gethin2,b 1Mechanical and Manufacturing Engineering Faculty Universiti Tun Hussein Onn Malaysia. 2Civil and Computational Engineering Centre, University of Wales, Singleton Park, Swansea, SA2 8PP, United Kingdom aemail: zawati@uthm.edu.my, bemail: D.T.Gethin@swansea.ac.uk Keywords: porous material, drying, microscopic pore temperature gradient Abstract.
Kanno, K.K., J.Yamagata: Moisture movement under a temperature gradient in highly campacted bentonite Engineering geology Vol 41 (1996), p 287-300
Chemical Engineering Science, vol 54 (1999), p. 3899-3908
Chemical Engineering Science, 55 (2000), p. 3585-3598
Hansen: Unfired clay bricks-retention curves and liquid diffusivities Building Physics 2002-6th Nordic symposium (2002) [17] Z.Harun, Gethin, D.T., Lewis, R.W., Combined Heat and Mass Transfer for Drying Ceramic(shell) Body, The International Journal of Multiphysics, Vol 2(1), (2008), p. 1-19.

Journal of the Chinese Ceramic Society, Vol. 38 (2010) No.10, p.1953
International Journal of Thermal Sciences, (2010) No.49, p.2400
Journal of Materials Engineering, (2004) No.7, p.18.
Journal of American Ceramic Society, Vol.79 (1996) No.7, p.1971
Journal of the European Ceramic Society, (2009) No.29, p.571.