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It was found that grain size is a key microstructural factor affecting physical and mechanical properties of the materials [3-4].
Matlock, Materials Science and Engineering A. 441(2006), 1-17
Segal, Materials Science and Engineering: A, 27(1999) 1, 322-333
Abdel Halim, Materials Science and Engineering A, 452-453(2007), 15-22 [15] M.I.
Bahgat, Industrial & Engineering Chemistry Research, 51(2012),16354-16360 [21] K.S Abdel Halim Materials Letter, 68(2012), 478-481 [22] P.K.

Experimental Setup Preparation of Bonding Materials.
Microelectronic Engineering. 50 (2000) pp41-46
Journal of materials Processing Technology, Vol. 113(2001), pp.385-388
Yao: Journal of Materials Processing Tech.
Gao: Key Engineering Materials Vol. 259(1) (2004), pp.59-63.

Abrasion Lives Simulation and Prediction of Key Parts for Breech Mechanism Based on Pro/E and ADAMS XinJie Shao1,a, LiJun Cao1,b, Guang Tian1,c, Qiao Ma1,d, Jinhua Liu1,e and Huibin Hu1,2,f 1Shijiazhuang Mechanical Engineering College, Shijiazhuang, Hebei Province, China 2Military Operational Center, Shijiazhuang Army Command College, Shijiazhuang, Hebei Province, China ashaoxinjie_jie@163.com, bcaolijun_jun@163.com, ctianguang@163.com, dmaqiao@163.com, eliujinhua@163.com, fhuhuibin_bin@163.com, Keywords: Breech Mechanism, Virtual Prototype, Abrasion, Simulation, Prediction Abstract.
Virtual prototype produces key parts’ load spectrums and failure thresholds.
Dry sliding friction and abrasion experiment provides abrasion rules of typical materials.
We can definite the precise collision curving surface in Pro/Engineer environment.
The key components of shell stop device include shell stop shaft and cocking shaft.

Materials for Devices in Life Science Applications G.
The unprecedented technology advancements in miniaturizing integrated circuits, and the resulting plethora of sophisticated, low cost electronic devices demonstrate the impact that micro/nano scale engineering can have when applied only to the area of electrical and computer engineering.
The integrated life chip technology requires the integration of multiple materials, phenomena, technologies, and functions at micro/nano scales.
To addresses the broad issues of understanding the material and process requirements from an integrated life chip application perspective, we will examine how to modify microfabrication techniques and innovate process conditions for depositing, patterning, and enhancing the functions of these materials.
Technologies for performing automated, high-throughput protein crystallization screening, and strategies for rational control of protein crystal growth are key engineering challenges for structural genomics and for structural biology in general.

Effects of Key Parameters on the Performance of a New In-Process Optical Measurement Method Z.
Gao Department of Mechanical Engineering, Hong Kong University of Science and Technology Clear Water Bay, Kowloon, Hong Kong, China Keywords: Error Analysis, In-Process Optical Measurement, Surface Profile, Coolant, Grinding, Process Control Abstract.
The effects of key parameters on performance of the new method are examined.
Xu: J. of Materials Processing Technology, Vol. 129, p. 10
Tse: Key Engineering Materials, Vol. 238-239 (2003), p. 157.

Engineering ceramics have been widely used in recent years because of its excellent performances.
As structural materials, the ceramics are inorganic and non-metallic materials which have been developed most quickly at present and they have been popular used in many fields.
In the experiment, the hot pressed Al2O3 engineering ceramics are adopted.
Zhang et al: Journal of Materials Processing Technology, Vol. 122 (2002) No.5, pp.232-236
Zhao: Key Engineering Materials, Vol. 359-360 (2008), pp.379-383.

School of Civil Engineering & Mechanics, Huazhong University of Science and Technology, Wuhan ,Hubei , 430072, P.
China Key words: PLSDM; Structural Coefficient; Engineering experience calibration method Abstract: When confirming the partial factors in design formulas by the probability-based limit states design method (PLSDM), the structural coefficient can determined by two methods.
On one hand, the structural coefficient is determined by the engineering experience calibration method, which is calculated by decomposition of the safety coefficient in the former specifications SD144-85.
(or material combination) and load effect combinations Total Averaged Material Combination Averaged Material Combination Averaged Penstock A3 Steel Plate 1.5970 16Mn Steel Plate 1.5603 1.5786 Suggested Values for Structural Coefficient Table 5 summarizes the structural coefficients determined by the engineering experience calibration method and by the reliability analysis method.
*Corresponding author: School of Civil Engineering & Mechanics, Huazhong University of Science and Technology, E-Mail:whuyzh@163.com REFRENCES: [1] Zhao Guo-fan, Jin Wei-liang, Gong Jin-xin.

Study on the Quick Hardening Cement-based Grouting Material’s Modification by Nano-materials Lihua Wang1, a, Yifan Duan2,b 1College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao, 266590, China 1Shandong Provincial  Key  Laboratory  of  Civil Engineering Disaster Prevention and Mitigation (Shandong University of Science and Technology) , Qingdao, 266590, China 2 Technology Counsel Service Centre of Shandong University of Science and Technology , Qingdao 266590,China aE-mail: wlhtg@sina.com, b E-mail:sdkdzl@sina.com Keywords: Grouting material, Sulpho-aluminate cement , Fluidity, Nano-materials Abstract.
Introduction Grouting material is commonly used in civil engineering.
The solid grain filling material has more applications in civil engineering with common portland cement often being used as cementitious materials.
Journal of Structural Engineering, 2008, 134(11):1754-1767
Journal of Geotechnical and Geoenvironmental Engineering, 2008, 134(9): 1280-1289

Investigation of Physochimechal and Biological Properties of Composite Sodium Alginate for Tissue Engineering Ishraq Abd Ulrazzaq Kadhim1,a 1Department of Materials of Engineering/University of Technology, Iraq aishraq.a.kadhim@uotechnology.edu.iq Keyword: Sodium alginate, NanoGraphene oxide, Tissue engineering Abstract.
Experimental 1-Materials sodium alginate (Xianm Shaanxi, China,).
Li, Preparation and Characterization of Chitosan-Agarose Composite Films, Materials,9(2016)816. [13]Sh.
Allahyari , Characterization and Evaluation of Graphene Oxide Incorporated into Nanofibrous Scaffold for Bone Tissue Engineering, Journal of Tissues and Materials, 1(2019)1-13
Kadhim, Biocompatibility of Alginate-Graphene Oxide Film for Tissue Engineering Applications, Key Engineering Materials,900(2021).

Material Data Integration Model based on Context-Aware within Manufacturing Enterprises Dongjuan Xue, Ying Pan School of Mechanical and Power Engineering, Dalian Ocean University, Liaoning, China xuedongjuan@163.com, panying@dlou.edu.cn Keywords: Materials data integration, Context-aware , Multi-level context Abstract.
In this paper, a context-aware materials data integration meta model is presented which is incorporating an advanced materials demand mapping and decomposition mechanism to support fine-grained materials data in the right time for the provision of materials services, based on the analysis of the application context involving the key points and relationships in their manufacturing processes.
Introduction Materials management is important during the process of production management in the enterprises[1].
Context data are defined as any raw materials data values of the relevant entities, which affect the data integrating.
Actually, this is the mechanism for obtaining first-order context information from raw materials data.