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Temperature Evolution and Optimization of Hot Extrusion Process for Al-Zn-Mg-Cu Aluminium Alloy Based on FEM Simulation Lei Xu1, Guangze Dai1,a , Xingmin Huang1, Junwen Zhao1, Jing Han1 and Jiewei Gao1 1 Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, RP China ag.dai@163.com Keywords: Hot extrusion; Numerical simulation; Al-Zn-Mg-Cu aluminium alloy.
Material and FEM model In the present work, Al-6.00Zn-2.04Mg-1.58Cu alloy cast ingot is chosen as research subject.
Obviously, this is due to the material near export is at least flow resistance.
SWJTU09ZT22), Key Projects in the National Science & Technology Pillar Program during the 11th Five-Year Plan Period (No. 2009BAG12A07), Performance Evaluation and Test of Key Parts of CRH380 Bogie in Ha-da Alpine Line (No. 20110310).
Journal of Materials Processing Technology 145 (2004) 360–370 [2] J.

Inventory and inventory management From the logistics point of view, inventory is temporarily the idle resources of economic value in order to meet the future needs, is storage of various materials for the purpose of supporting the production, maintenance, operations and customer service, including raw materials and the products, repair parts and production supplies, finished products and spare parts.In principle, any business needs some level of inventory to meet the possible fluctuations in the production and sales process; but excess inventory easily make enterprises get into the situation of cash flow problems [1].
(1) Identification of the key points of customer quality (CTQ) The project CTQ includes: raw materials and in-process inventory should be sufficient to ensure the continued operation of production; inventory should be controlled at a low level, thereby enhancing the cash flow rate and reduce the cost of capital; finished goods inventory should be sufficient to ensure the delivery rate
Table 1 The final weight table of Quality Function Deployment Y weight delivery rate plan materials costs reduce costs of materials reduce running costs Total c 5 5 5 1 1 1 65 d 3 1 5 3 1 1 33 e 5 3 3 5 5 5 105 Total 43 39 35 29 27 c: Just-in-time delivery; d: Ensure continuous operation of the production process; e: Maintain the turnover rate of funds at a certain level From Table 1, we can see that “ensure the delivery rate at a certain level”, “Accurate production and purchasing plan” and “maintain inventory at a lower level” are the three heaviest weight operational measurements which are the three key Step 2 Define performance standards of the performance index In the step 1, we identified the key quality characteristics.
Management Science, Vo1. 46, No. 3, pp. 436-443, 2000
Journal of Management Sciences, Vo1. 6, No. 3, pp. 86-93, 2003

Experimental Preparation of Pb-0.8%Ag rolled alloy anode specimens The main raw materials include Pb-0.8%Ag rolled alloy (Kunming Hendera Science and Technology Co.
The Pb-0.8%Ag alloy anodes plates were cut into small pieces of 1×1×1 cm then connected with a plastic isolated copper wire and cast in denture base resin (type Ⅱ, Dental Materials Factory of Shanghai Medical Instruments Co.
Acknowledgments Authors gratefully acknowledge the financial support of the National Natural Science Foundation (Project No. 51004056); the Opening Foundation of Key Laboratory of Inorganic Coating Materials, Chinese Academy of Sciences (Project No.
Magaeva, Investigations of new anodic materials for zinc electrowinning, Transactions of the Institute of Metal Finishing, 87(2009) 136-140
Liu, Electrochemical behaviors of co-deposited Pb/Pb–MnO2 composite anode in sulfuric acid solution – Tafel and EIS investigations, Journal of Electroanalytical Chemistry, 671(2012) 16-23

By considering the influence of material flow and information flow on time and cost, a resource opitimization model with the least cost, the least time and the most quality based on formal description of resource allocation problem in cloud manufacturing was established by Shilong Wang, Wenyan Song et al, which have attained very good results and have reduced the cost of manufacturing services [7-8].
Acknowledgements Foundation items: Project supported by the Post-doctoral Foundation of Jiangsu, China (No. 1002002C), Science Foundation of National Natural Science Foundation, China (No.71172219) References [1] Huanxin Peng, Guoqing Qi，Andong Shen.
IEEE Sensors Journal, 2011, 11(3): 808-817
IJCSI Int’l Journal of Computer Science Issues, 2012, 9(2):1-6
Journal of Software, 2012, 10.3724/SP.J.1001.2012.04308

Experimental Investigations The most widely used materials for cooling electronic devices with high power are silicon, copper, diamond and so on.
The first advantage of this machining method is economizing materials, that is to say, there is no waste of materials throughout the whole machining process of micro-grooves, but undergoing plastic deformation after complex plastic flow under the influence of the pressure of multi-tooth tool and spinning balls, the materials on the inner surface finally forms the micro grooves.
Therefore the potential plasticity of metal materials can be fully exerted.
References [1] Chen Deng-ke: Chinese Journal of Low Temperature Physics, No. 8 (2005), p.255-262
Thermal Sciences, Vol.43 (2004), p. 499-507

(See Table 1) Table1 Comprehensive Evaluation Index System of Port urban Logistics competitiveness Object Hierarchy Rule Hierarchy (Main Factors) Index Hierarchy (Sub-Factors) Weight Comprehensive Evaluation of Port urban Logistics Performance u Hardware Level u1(1) ω1=0.3239 Cargo throughput u11(2) Container throughput u12(2) Deep water berth number u13(2) Berth throughput u14(2) Quantity of port urban fixed asset u15(2) Number of employees u16(2) 0.1972 0.1598 0.2362 0.1953 0.1131 0.0984 Operation and Management Level u2(1) ω2=0.4376 Warehouse cost u21(2) Material handling cost u22(2) Yard collecting and dispatching u23(2) Yard capacity turnover u24(2) Handling machinery carrying capacity u25(2) Level of port urban information u26(2) Cargo throughput growth rate u27(2) Container throughput growth rate u28(2) 0.0938 0.0727 0.2013 0.0895 0.1296 0.1561 0.1373 0.1197 Customer Satisfaction u3(1) ω3=0.2385 Clear pricing u31(2
Deep-water berth number u13=0.9, cargo throughput growth rate u27=0.9 and container throughput growth rate u28=0.9 which all are highest, the material shows that cargo throughput and container throughput of Shanghai has been keeping the biggest rate of increase amplitude for years [12].
Journal of Southwest Jiaotong University (Social Sciences), 2007,（4）:15-16
Chinese Journal of Ergonomics. 2007,（2）:19
Journal of Safety and Environment, 2004,4（2）:54-56

Mechanical Properties of Asphalt Mixture Reinforced with Cellulose- polyester Hybrid Fibers CHEN Zheng1, a, MA Dengcheng2,b 1School of Material Science & Engineering, Xi’an University of Architecture & Technology, Xi’an, 710055, China 2Key Laboratory for Highway Construction Technology and Equipment of Ministry of Education, Chang’an University, Xi’an, 710064, China achenz@xauat.edu.cn, bmdc8235@163.com Keywords: cellulose, polyester, hybrid fiber, asphalt mixture, mechanical properties Abstract: With regards of discussing cellulose and polyester fibers reinforced asphalt mixtures, the contribution of cellulose (CEL) and polyester (PET) fibers had therefore been experimented.
Experimental Materials Bitumen.
Journal of Central South University of Technology, 2008, vol.15, suppl.1, p135-139
Journal of Wuhan University of Technology (Mater.
Journal of Wuhan University of Technology (Mater.

Abdalla2,c 1Doctoral Candidate, Ph.D. in Material Science and Engineering, Department of Civil Engineering, American University of Sharjah, Sharjah, United Arab Emirates 2Professor, Department of Civil Engineering, American University of Sharjah, Sharjah, United Arab Emirates ag00099374@aus.edu, brhaweeleh@aus.edu, cjabdalla@aus.edu Keywords: FRP, strengthening, beams, NSC, HSC, high-strength concrete, bond stress, bond-slip Abstract.
Material properties Concrete.
Abdalla, Influence of CFRP Spike Anchors on the Performance of Flexural CFRP Sheets Externally Bonded to Concrete, Journal of Composites for Construction 27 (2023). https://doi.org/10.1061/JCCOF2.CCENG-4182
Gravina, Influence of concrete compressive strength on the debonding failure of externally bonded carbon fiber reinforced polymers, Journal of Building Pathology and Rehabilitation 6 (2021) 1–15. https://doi.org/10.1007/S41024-021-00116-3/FIGURES/12
Modena, Experimental Study on Bond Behavior between Concrete and FRP Reinforcement, Journal of Composites for Construction 12 (2008) 180–189. https://doi.org/10.1061/ASCE1090-0268200812:2180

The other reagent were analytical reagent grade. 2.2 Plant Materials Two species of bamboo, Phyllostachys edulis (including 4 cultivars of this species: Phyllostachys edulis cv.
Journal of Chemical Engineering of Chinese Universities. 5:690-695
Journal of China Condiment.4:55-57
Food Science. 29(5):97-98
Journal of Bamboo Research. 1:56-60

Journal of Biomedical Materials Research Part A 2010;95A(4):1048-1054
Methods in Cell Science 1994;16(3):205-209
Journal of the American Chemical Society 2004;126(10):3010-3011
Journal of the American Chemical Society 2003;125(30):9006-9007
Fundamentals of electrochemical science.