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Online since: April 2008
Authors: L.G. Guo, He Yang
Yang 1, b 1 School of Materials Science, Northwestern Polytechnical University, Xi'an, Shaanxi, P.
These materials properties parameters can be obtained by experiment or consulting material hand books.
However, for the hot-forming process, strain rate sensitivity of materials is so large that erroneous solutions can result by increasing loading rates.
Acknowledgements The authors would like to thank the National Natural Science Foundation for Key Program of China (50335060), the National Science Found of China for Distinguished Young Scholars (50225518), the China Postdoctoral Science Foundation (20060401011) and the Opening Foundation of the State Key Lab of Materials Forming Simulation and Die & Mould Technology (07-03) for the support given to this research.
Huang: Hand Book of Mechanical Engineering Materials, Volume I (2006), p. 745 (in Chinese) [6] L.
Online since: June 2012
Authors: Yong Chi Li, Guang Fa Gao, Shi Wei Duan, Shu Jie Yuan
Tel.: 0554-6633285 Keywords: composite material; ferromagnetic; specific heat; expansion coefficient; sublimation heat Abstract: Ferromagnetic base composite materials were applied widely in aircraft and space vehicles engineering.
And then the thermal physical parameters such as thermal expansion coefficient, engineering specific heat and sublimation heat were solved and calculated.
This investigation provides an important foundation for the further research on the heat resistance and thermodynamic performance of this material. 1 Introduction Magnetic materials play a significant role in the development process of biomedical engineering[1], industrial refrigeration [2] and other new technologies [3,4] .
Ferromagnetic material, a kind of hard, corrosion resistant, practical and durable material, has good elasticity and plasticity, and therefore it is widely used in present and future and irreplaceable industrial materials.
Materials Review, 2010,24: 407-409+431(in Chinese) [2] Zhuang Xiao-ling, Lin Guo-xing.
Online since: August 2014
Authors: En He Bao, Xue Zou
Different types cross section columns combination of multi-layer steel frames optimum design analysis ZOU Xue, Bao En-he* (Guangxi Key Laboratory of Geomechanics and Geotechnical Engineering, Guilin University of Technology, Guilin 541004, China) Key words: multi-layer steel frame; column cross section type; inter-layer response values; engineering cost; Abstract: In order to study the feasibility of different types cross section columns combination of multi-layer steel frames optimum design, considering the basic cycle, the first layer shear-weight ratio, steel weight of structure and other factors to establish different types of models.
In Japan arithmetic model CM1 engineering cost the highest, because material fee per tone of box-section column is 1.5 higher than H-section column, and spend more on column-beam processing time and welding quantity.
Based on the above analysis, it is known that according to the reference[5]to calculate steel-frame construction engineering cost is conform to actual engineering.
Model CM1 has the lowest steel and engineering cost ,but Japan arithmetic general considering the component type, section type to decide material and process fee, and welding quality is been single calculated, engineering cost order is CM1,CM2,CM3,CM5,CM4.Model CM1 has the lowest steel and the highest engineering cost; On the whole, model CM4 which type is corner column is box-section column in the row X2 ,others is H-section column saving most.
Acknowledge Guangxi Key Laboratory of Geomechanics and Geotechnical Engineering Project(KH2012YB027);Guangxi Natural Science Repatriation Fund (2011GXNSFC018004) References [1] Kequan Cai, Lizong Huang.
Online since: September 2016
Authors: Wassanai Wattanutchariya, Atitaya Oonjai, Kittiya Thunsiri
Materials and Method Materials Preparation.
Yenbut: Advanced Materials Research Vols. 931-932 (2014), p. 301 [3] T.
Wattanutchariya: Advanced Materials Research Vol. 849 (2014), p. 151 [4] K.
Wattanutchariya: Key Engineering Materials Vols. 675-676 (2016), p. 459 [5] W.
Thunsiri: Applied Mechanics and Materials Vols. 675-676 (2015), p. 488 [6] S.V.
Online since: November 2016
Authors: De Weng Tang, Zhi Feng He, Xi Jian Lv, Cong Peng
The results show that metal material hardness is the key factors to residual stress.
Modern Manufacturing Engineering.2015(1): 78-80,124
OURNAL OF AERONAUTICAL MATERIALS, 2007(6): 45-49
Tool Engineering, 2006(3): 60-63
JOURNAL OF MECHANICAL ENGINEERING, 2012(11): 172-182
Online since: April 2018
Authors: Heng Li, Heng Yang, Jun Ma, Zhen Yong Feng
Characterizing of Anisotropy and Asymmetry of Tubular Materials Heng Lia*, Heng Yangb, Jun Mac and Zhenyong Fengd State Key Lab of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072 China a*liheng@nwpu.edu.cn, byanghheng@mail.nwpu.edu.cn, cJun.Ma@mail.nwpu.edu.cn Keywords: Tubular materials, anisotropy and asymmetry, characterizing method, Knoop microhardness, VPSC, loading conditions Abstract.
Meanwhile, thin-walled tubular materials are difficult-to-characterizing materials.
Introduction Titanium tubular materials have attracted increasing applications as one of the key structural and functional components in many industries such as aerospace, energy and chemistry[1].
The constructed yield loci for those tubular materials are shown in the Fig.6.
Key Eng.
Online since: February 2013
Authors: Xiao Bin Wang, Zhou Su, Qing Jun Wang
Emergency Materials Distribution Risk Control Wang Xiaobin1, a, Wang Qingjun2,b and Su Zhou3,c 1,2,3 Economics and Management Institute, Shenyang Aerospace University, Shenyang City , China .aXb630117@126.com, b32582669@qq.com, c350084880@qq.com Key Words: Emergency logistics; Material distribution; Risk control Abstract.
This article through to the emergency materials distribution of risk analysis, understanding of emergency materials distribution risk comes from where, and its risk control.
The research on optimizing the layout of China’s emergency materials storehouses.
The risk on emergency materials logistics system for large-scale disaster.
Optimizing scheduling of post-earthquake electric power restoration tasks .Earthquake Engineering and Structural Dynamics. 2007(36), p. 265-284
Online since: August 2017
Authors: Mariano Marcos Bárcena, José Ríos, Fernando Mas, Carlos Vila, Done Ugarte, Thierry Chevrot
· Harmonize teaching practices and learning materials, using a collaborative development process, which facilitates a better and more efficient creation.
Fielding, et al., Product lifecycle management in design and engineering education: International perspectives, Concurrent Engineering, 22 (2014) 123-134
Treagust, Engineering education—Is problem-based or project-based learning the answer, Australasian Journal of Engineering Education, 3 (2003) 2-16
In Materials Science Forum, 853 (2016) 79-84
Batista, et al., Design and Development of Integrated Lab-Practical Class in Manufacturing Engineering, Materials Science Forum 759 (2013) 27-38
Online since: November 2012
Authors: Zhi Jian Duan, Ge Yu, Xiao Bao Zhang, Hong Xia Shi
The materials scheduling is dynamic.
The planning of logistics system is a system engineering, and the system planning includes system orientation, system ability and the detail planning three stages, as shown in figure 1 below.
The storage and transport mode and materials in each storage area are different.
Aviation container board is a flat made of aluminum where materials are fixed by rope nets.
They are large storage area, the customs materials or, shipping goods and materials processing area, comprehensive tally area, aviation container material storage area, tray area of support for emergency, plane reservoir area of materials and office.
Online since: November 2011
Authors: Lu Nie, Lu Lu Zhang, Xuan Wang
Material and Color Choose.
TPU materials are mainly polyether and polyester.
References [1] Yulan Ding: Man-Machine Engineering.
[5] Li Feng, Wu Dan: Man-Machine Engineering.
Value Engineering, 2011, 6 (1):87.
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