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Synthesis of Aluminum Nitride Powder by Carbothermal Reduction Kezhou Xu 1, a, Zhuxing Tang 1, b*, Ying Zhang 1, c, Huihui Tan 1, d, He Zhang 1, e 1School of Material Science and Engineering, Shandong University of Technology, Zibo, Shandong, 255049, China akezhou81@163.com,c zhangying9134@163.com, dtan497976788@163.com, ezhanghe1215@163.com, b* Corresponding author, e-mail: tangzx@sdut.edu.cn Key words: aluminum nitride (AlN), carbothermal reduction, alumina (Al2O3), carbon black Abstract.
Introduction Aluminum nitride is a new and noticeable synthetic ceramic material in recent years [1~2].
Alumina powder and carbon black powder were used as the starting material.
Meguro, et al: Journal of the European Ceramic Society, Vol. 22 (2002), p521
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Corrosion Resistance of Vanadis 6 Steel after Conventional Heat Treatment and Sub-Zero Treatment in Cold Nitrogen Gas Followed by Tempering Aneta Bartkowska1,a, Peter Jurči2,b* 1Poznan University of Technology Faculty of Mechanical Engineering and Management, Institute of Materials Science and Engineering, Jana Pawla II 24, 60-965 Poznan, Poland 2Slovak University of Technology, Faculty of Materials Science and Technology in Trnava, Institute of Materials Science, J.
Javadpour, Effect of carbide distribution on corrosion behavior of the deep cryogenically treated 1.2080 steel, Journal of Materials Engineering and Performance. 25 (2016) 365-373
Dlouhy, The effect of subzero treatment on microstructure, fracture toughness, and wear resistance of Vanadis 6 tool steel, Materials Science & Engineering.
Dong, Interaction between austein-ferrite phases on passive performance of 2205 duplex stainless steel, Journal of Materials Science & Technology. 34 (2018) 2140-2148
RAY, Structure – property correlation of sub-zero treated AISI D2 steel, Materials Science & Engineering.

They include plan costs, quality inspection costs of materials and products and after-sales service costs.
The indirect costs include plan costs, quality inspection costs of materials and products and after-sales service costs
The enterprise should make strictly QC inspection for materials and information sharing from suppliers, carries out "one-vote negation system" and cancel their qualification of suppliers for dissatisfying requirements of the green environmental protection or information sharing.
Acknowledgment The paper is part results of the Shandong's soft science research program（No. 2011RKGB3043）.
The Green Supply Chain: Integrating Suppliers into Environmental Management Process, International Journal of Purchasing and Materials Management 15(3):86-93 [4] SHI Rongli (2008) An Exploration of philosophy of Green Supply Chain, Journal of China Markat 16(6):78-83 [5] LI Fenggao (2010) Under TCO concept exploring to Corporate Green- Procurement Costs, Journal of Accountant 16(5):87-93 [6] SUNQihong (2008) TalkingCost Controlof Production process, Journal of Economic & Trade 22(3):45-52

Fabrication of (TiB2-Fe)/Fe Functional Gradient Material by SHS/QP Z.
Zhang State Key Lab of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China, email: hedh21@sohu.com Keywords: FGM, SHS\QP, TiB2, TiB2-Fe Abstract.
Acknowledgements The authors thank the National Natural Science Foundation (Contract No. 59925207 and No. 50272047) for the financial support.
References [1] Mortensen and S.Suresh: International Materials Reviews, Vol. 40 (1995), p. 239
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Acknowledgments This work was supported by Natural Science Foundation of China (51108145), Harbin Normal University Middle-aged Academic Backbone Support Project (XRQG09), National Major Science and Technology Program-water Body Pollution Control and Remediation (2012ZX07301001) and Science and Technology Key Project of Heilongjiang Province Education Department (12521z010).
Wuhan University (Natural Science Edition), 2011,57(4):311-322.
Marine Geology (Natural Science Edition), 2011,57(4):311-322.
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Energy science and technology, 2013,11:361.

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China; 2Luo Yang Bearing Science & Technology Co.
The material of workpiece is removed by abrasive slightly, so the shape errors of groove depend mainly on the machining parameters.
Acknowledgements The research was supported by the Ministry of Science and Technology, P.
Wardle, Vibration forces produced by waviness of the rolling surfaces of thrust loaded ball bearings part 1: theory, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 202 (1988) 305-312
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Changes in the micro and nano structure of cementitious materials influence greatly their macro properties.
Studies in recent years showed that the cement materials are able to heal cracks by themselves.
Fernandez, Dehydration and rehydration processes of cement paste exposed to high temperature environments, Journal of Materials Sciences 39 (2004) 3015–3024
, Materials and structures/Matériaux et constructions 31 (1998) 563-567
Edvardsen, Water permeability and autogenouse healing of cracks in Concrete, ACI Materials Journal 96 (1999) 448-454.

Introduction The workshop layout is to achieve the most reasonable combination of people, equipment and materials in a given space.
· Evaluate each chromosome in the population according to the material handling cost equation
Acknowledgment Fund: Natural Science Foundation of National(11171306); Natural Science Foundation of Zhejiang Province(LY12A01024).
International Journal of Flexible Automation and Integrated Manufacturing, 3(3–4), 283–299
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