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Sopyan1, b, Gunawan1, 2, a, and Suryanto1, c 1 Department of Manufacturing and Materials Engineering, Faculty of Engineering, International Islamic University Malaysia, P.O.
Materials Preparations Zn-free (Un-doped) CaP and Zn-doped CaP powders used to produce dense compacts were synthesized via a sol-gel technique and have been reported elsewhere [7].
[3] Adzila S, Murad MC, Sopyan I, Recent Patents on Materials Science 5 (2012) 18 - 47
[4] Sopyan I, Rahim TA, Materials and Manufacturing Processes 27 (6) (2012) 702-6
[8] Niihara K, Journal of the Ceramic Society of Japan 20 (1985) 12–8.

The failure of self-lubricating bearings is primarily caused by the wear of self-lubricating materials, which lose its self-lubricating function finally.
The materials of the bearing are listed in Table 1.
Table 1 Materials of the spherical plain bearings Item Inner ring Outer ring Liner Material GCr15 20 steel PTFE/copper grid a b Fig.2 Structure of a spherical plain bearing The laboratory environment is room temperature and atmospheric pressure.
Li, Friction and wear behavior of a new 40Cr steel-PTFE fabric composite under heavy loads, Materials Science and Engineering 483-484 (2008) 365–368
Wasilczuk, Wear measurements of self-lubricating bearing materials in small oscillatory movement, Wear 263 (2007) 458-462

Swift ions create a defect profile penetrating deep into a solid compared to the sampling range of typical slow positron beams, which may consequently study a homogeneous zone of defected materials.
Positron annihilation (PA) spectroscopy has been extensively used to study implantation-induced defects in semiconductors and other materials.
Triftshauser, Materials Science Forum 262- 365 (2001) 529
Schaefer, Materials Science Forum 105-110 (1992) 1005
Schaefer, Materials Science Forum 175-178 (1995) 461

Acknowledgements The work was financially supported by the National Natural Science Foundation of China (51179079).
Journal of Mechanical Strength, 3 (2005) 46-49
Chinese Journal of Mechanical Engineering, 8(2) (2005) 302-306
[9] Chouksey M, Dutt J K, Modak S V, Modal analysis of rotor-shaft system under the influence of rotor-shaft material damping and fluid film forces, Mechanism and Machine Theory, 48 (2012) 81-93
Journal of Zhejiang University (Engineering Science), 46(7) (2012) 1207-1222.

Material and methods Two 20 years old sample trees containing IGR were chosen from forest stands of the Muráň forest district (the National Park of the Muráňska Planina, Slovak Republic), altitude − 1200 m a.s., forest subsoil − calcite.
Horn, Density of juvenile and mature wood of selected coniferous species, Journal of Forest Science 57 (2011) 123-130
Uzielli, Anatomical features and anisotropy in spruce wood with indented rings, Catgut Acoustic Society Journal, 8 (1991) 12-16
, Canadian Journal of Forest Research, 35 (2005) 2685-2697
Bannan, Abnormal xylem rays in Chamaecyparis, American Journal of Botany, 37 (1950) 232-237

The research on optimization of electrostatic field for high voltage electrostatic spinning machine Changjie Liu1,a, Jing Zhang 2,b and Ye Dai3,c 1Physics research section, Aviation University of Airforce , Changchun 130022, China 2Computer research section, Aviation University of Airforce , Changchun 130022, China 3School of Mechanical & Power Engineering, Harbin University of Science and Technology, Harbin 150080, China aliuchangjie@163.com, bjing_0714@tom.com, cdaiye312@163.com Key words: electrostatic spinning technology; optimization; electric field analysis.
When solvent has be solidificated, Fibrous material is get.
Journal of Materials . 2009

Abhang, M Hameedullah, Modeling and anlayisis of tool wear based on cutting force and chip-tool interface temperatures in turning, AdvancedManufacturing and Material Science, (2018), 411-420
[6] L B Abhang, M Hameedullah, Chip-tool interface temperature prediction model for turning process, International Journal of Emngineering Science and Technology 2(4), (2010), pp. 382-393 [7] D.
Sridhar. , Multi-Response Optimization on En19 Steel Using Grey Relational Analysis Through Dry & Wet Machining, Materials Today: Proceedings 4, (2017), pp. 2157–2166
Materials Today: Proceedings, (2015), 2(4-5), pp, 2496-2503
Arabian Journal for Science and Engineering. (2017), pp. 1-7

This heat melts the contacting surfaces, creating a secure and uniform weld without additional filler materials (figure 1).
Advanced Materials Research, undefined (2011). doi: 10.4028/WWW.SCIENTIFIC.NET/AMR.189-193.3564
Journal of materials research and technology, (2021). doi: 10.1016/J.JMRT.2021.11.013 [3] Iqbal, Taufiqurrahman., Azlan, Ahmad., Mazli, Mustapha., Turnad, Lenggo, Ginta., Luthfi, A., F., Haryoko., Imtiaz, Ahmed, Shozib. "1.
Materials, (2021). doi: 10.3390/MA14051129
Journal of Advances in Chemistry,

Research on Mechanical Properties of High Boron Alloyed Stainless Steel Composite Plate Containing Titanium Linlin Yuan 1, a, jingtao Han2,b , jing Liu 3,c , yanlong Liu4,d 1 School of materials science and engineering; University of Science and Technology Beijing, Beijng, China 2 School of materials science and engineering; University of Science and Technology Beijing, Beijng, China 3 School of materials science and engineering; University of Science and Technology Beijing, Beijng, China 4 School of materials science and engineering; University of Science and Technology Beijing, Beijng, China a333sunny333@163.com, bhanjt@ustb.edu.cn, cliujing@mater.ustb.edu.cn, dlylong27@126.com Keywords: high boron alloyed stainless composite steel with Ti, solution treatment, mechanical property Abstract.
Martínez, Francisco Velasco.Sintering Stainless Steels with Boron Addition in Nitrogen Base Atmosphere, J.Materials Science Forum, 534-536 (2007)733-737 [3]Ge Changchun, Zhou Zhangjian, Li Yunkai, et al.A process to prepare boron carbide/Pb gradient material, Patent CN 1361307A [4] H.Greuner, M.
Advanced Materials Research, 535-537 (2012)738-741 [6]S A Loria, H S Isaacs.
Journal of Thermal and Nuclear Power, 41(1990)79 [7]ASTM Committee A-1.
Research on the processing and application of new type laminated composite materials, University of science and technology Beijing, 2011

Development of new materials is indispensable part of present construction industry.
Advances in Materials Science and Engineering, 2016, no. 2016, p. 1-6.
In: Journal of Applied Sciences 14(10), ISSN 1812-5654, 2014
In: Construction and Building Materials, Volume 96, 2015
Advanced Materials Research, (1054).