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Han 3, d 1 Laboratory of Special Processing of Raw Materials, School of Materials Science and Engineering, Dalian University of Technology, Dalian, 116024, P.R.
China 2 Department of Materials Science and Engineering, Harbin Institute of Technology, Weihai, 264209, P.R.
China 3 School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, P.R.
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In the mentioned composition (Direct Metal 50) Nickel is the structural material and bronze is the binder material.
Laser sintered materials are always porous and in addition a study conducted states that the porosity of material fabricated by DMLS is near 30%.
Upendra Sravan: Functional Testing of Direct Metal Laser Sintered (DMLS) Components for Automotive Application, Advanced Materials Research, Vols. 383-390, (2012), p. 6242-6246
Pohl: On the development of direct metal laser sintering for rapid tooling, Journal of Material Processing Technology, Vol. 141 (2003), p. 319-328
Haider: Laser Sintered rapid tools with improved surface finish and strength using plating technology, Journal of Materials Processing Technology, Vol. 121 (2002), p. 318-322

Suspension Stability and Thermal Conductivity of Oxide Based Nanofluids with Low Volume Concentration Wei-lin Zhao1a, Bao-jie Zhu1b, Jin-kai Li1c, Yan-xiang Guan1d, Dong-dong Li1e 1School of Materials Science and Engineering, University of Jinan, Jinan 250022, China amse_zhaowl@ujn.edu.cn, bzhubj2005@163.com, clijk85@163.com, dkalaxiang_123@126.com, elixudong402@163.com Keywords: nanofluid; thermal conductivity; theoretical model Abstract.
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Lipkin, Effect of substrate nature and electrolysis modes on ultramicron and nanosized electrolytic powders formation regularities, Materials Science Forum. 843 (2016) 22-27
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Lachin, The Mechanism of Water-Soluble Polymer Аdditives and Parameters of the Pulse Electrolysis Effect on the Size Distribution of the Electrolytic Copper Powder, Materials Science Forum. 870(2016) 636–641

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School of Materials Science and Engineering Inner Mongolia University of Science and Technology, Baotou 014010, China; 2.
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Hardened bearing steel GCr15 is a kind of material with characteristics of high hardness, high strength, wear and hard to machine.
References [1] S.Jing,C.R.Liu: Journal of Manufacturing Science and Engineering,(2005),pp.476-483
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Katgerman, Hot workability analysis of extruded AZ magnesium alloys with processing maps, Materials Science and Engineering A 527 (2010) 735–744
Simoncini, Constitutive models for AZ31 Magnesium alloys, Key Engineering Materials 367 (2008) 87-94
Hollomon, Effect of strain rate upon plastic flow of steels, Journal of Applied Physics 15 (1944) 22-32
Ricci, Hot working of the ZEK200 magnesium alloy, Materials science forum 604-605 (2009) 212-222
Shao, The characteristics of plastic flow and a physically-based model for 3003 Al-Mn alloy upon a wide range of strain rates and temperatures, European Journal of Mechanics A/Solids 30 (2011) 54-62

According to OECD Statistics, natural resources are natural assets (raw materials) occurring in nature that can be used for economic production or consumption.
The corresponding economic activities output raw materials or advanced materials to support the next stage of production, and then the productive chain has taken shape.
Journal of Chengdu University of Technology (Social Sciences) 2 (2008): 009
Journal of Finance and Economics 1 (2009): 008
Economic Research Journal (2011): S2

But when the top of the stored bulk materials is a conical pile, the Rankine formula does not work, because the Rankine theory must be based on the assumptions that the interface between the retaining wall and the soil is erect and smooth, and that the top plane of the bulk materials behind the retaining wall is horizontal.
Only when the aspect ratio δ is very small numbers to nearly 0, the rupture plane can meet the top of the stored bulk materials.
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