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PREFACE The XXII International Materials Research Congress (IMRC) was held in Cancun Mexico from 11 to 15 August 2013.
The aim of the IMRC is provide an interactive forum to discuss and exchange ideas about the advances in synthesis, characterization, properties, processing, applications, basic research trends, corrosion prevention, and more, all related to the area of materials science and engineering.
The Symposium 5C "Structural and Chemical Characterization of Metals, Alloys and Compounds" promotes the contact among scientists and research groups for the creation and collaboration of national and international research networks.
The structural, mechanical and chemical characterization of different materials such as metals, alloys, ceramics, catalysts, steels, composites, welding, superalloys, quasicrystals, intermetallic compounds, and nanomaterials are included.
Finally, but not least, we would like to thank all the authors for their valuable contributions to the journal.

Fracture tests were carried out using a Heckert FPZ 100/1 testing machine within the range of 0–10 kN at a laboratory at the Institute of Building Testing, Faculty of Civil Engineering, Brno University of Technology.
International Journal of Materials and Product Technology. 2011. 42(3/4). p. 209 - 218.
Ohtsu: Basics of Acoustic Emission and Applications to Concrete Engineering.
Ceramics-Silikáty. 2011. 55(2). p. 176 - 182.
Procedia Engineering. 2010. 2(1). p. 959 - 966.

Kamali, A piezoelectric-inhomogeneity system with imperfect interface, International Journal of Engineering Sciences, 44 (2006) 291–311
[9] Yong-Dong Li a , Kang Yong Lee, Interaction between an electrically permeable crack and the imperfect interface in a functionally graded piezoelectric sensor, International Journal of Engineering Science, 47 (2009) 363–371
Ayatollahi, Multiple interfacial cracks in dissimilar piezoelectric layers under time harmonic loadings, Fatigue and Fracture of Engineering Materials and Structures, (2018) 1–14
Paavola, Analysis of cracked functionally graded piezoelectric strip, International Journal of Solids and Structures, 50 (2013) 2449–2456
Wu, A moving conducting crack at the interface of two dissimilar piezoelectric materials, International Journal of Solids and Structures, 40 (2003) 2381–2399.

Rahman2,e 1UTM Razak School in Engineering & Advanced Technology, Universiti Teknologi Malaysia International Campus, 54100 Jalan Semarak, Kuala Lumpur, MALAYSIA 2Precision Process Research Group, Dept. of Mechanical and Materials Engineering, National University of Malaysia, 43600 Bangi, Selangor Darul Ehsan, MALAYSIA akhairur@ic.utm.my, bhamidi@eng.ukm.my, chooman@eng.ukm.my, dmurtadha88@yahoo.com, emnizam@eng.ukm.my Key words: Metal Injection Molding (MIM), rheological behavior, binder system, flow behavior index, activation energy Abstract.
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Rout, "Investigation of optimal parametric combination for minimum cutting force in turning: Surface respond methodology approach," Journal of Engineering Innovation and Reserch, 2009
Dragusch, "Experimental investigation of cutting forces and tool wear during laser-assisted milling of Ti-6Al-4V alloy," in Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 225: 1512-1527, 2011
Mativenga, "Size effect and tool geometry in micromilling of tool steel," Precision Engineering, vol. 33, pp. 402-407, 2009
Incropera, "Design of operating conditions for crackfree laser assisted machining of mullite ceramic," International Journal of Machine Tools & Manufacture, vol. 44, pp. 667-694, 2004
Celaya, "Plasma assisted milling of heat resistant super alloys," Journal of Manufacturing Science and Engineering Transaction of ASME, vol. 126, pp. 274-258, 2004

Dimiduk, "Gamma titanium aluminide alloys - an assessment within the competition of aerospace structural materials", Materials Science and Engineering A263 (1999) 281-288
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Preparation of Y2O3 Nano-Phased Powders by Polyacrylamide Gel Method Junting Luo a, Chunxiang Zhang b, Yongfei Gu c State Key Laboratory of Metastable Materials Science and Technology , School of Mechanical Engineering,Yanshan University, Qinhuangdao 066004,china a ljtlyk@yahoo.com.cn, b zhangchunxiang@ysu.edu.cn, cgyf@ysu.edu.cn Keywords: Y2O3, nano-phase powders, Polyacrylamide gel method.
Yttria is used as a host matrix for phosphors used in televisions and also in the synthesis of yttria-thoria type translucent ceramics for lasers.
But few other single-component oxide ceramic powders were prepared as yet.
Ceramic.
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Thus, such defects are due to the intrinsic characteristics of ceramics.
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Introduction Multiscale material modelling is increasingly being developed to allow better understanding of material behavior for composite, ceramics and metallic [1-18].
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The sintering process is then continued to 1200°C to sinter the LSCF ceramics for 5 hours followed by furnace cooling.
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