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Introduction Though advanced electronic devices of conventional semiconductor materials are very successfully used in industrial applications like power management, the availability of such components will touch limits because of increasing demands for high temperature and high frequency capabilities in advanced circuits.
Therefore, power electronics engineering has to seek new solutions as developed by the silicon carbide (SiC) technology.
So the superior switching behaviour of silicon carbide devices can be the pushing key in establishing SiC technology with advanced components even in high power management.
Hallin, "High-Power SiC Diodes: Characteristics, Reliability and Relation to Material Defects", Mat.Sci.Forum Vols. 389-393 (2002) pp. 1259-1264 [4] R.
Palmour, "High-Temperature Performance of 10 Kilovolts, 200 Amperes (Pulsed) 4H-Sic PiN Rectifiers", Mat.Sci.Forum Vols. 389-393 (2002) pp. 1265-1268 [5] M.

Alberto Lamego, 2000, 28013-602, Campos dos Goytacazes, Brazil. 2UENF - State University of the Northern Rio de Janeiro, LECIV - Laboratory of Civil Engineering; Av.
One of these institutions is the State University of the Northern Rio de Janeiro (UENF) through its laboratories of Civil Engineering (LECIV) and Advanced Materials (LAMAV).
Forum Vols. 727-728 (2012), p. 619
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Particularly, AA7085 has even lower quenching sensitivity and a much higher strength-toughness combination, which has been used on the new Airbus A380 and advanced F22 fighter [7].
Forum. 519-521 (2006) 1233-1238
Forum, 28(2004) 969-974
Warner, Aluminum alloy advances for the airbus A380.
Forum, 706-709 (2012) 335-339

Preface Thanks for all those who have participated in the 2007 SME International Conference on Advanced Manufacture (SME ICAM 2007), sponsored by the Society of Manufacturing Engineers, Taipei Chapter (No.242) and organized in cooperation with National Cheng Kung University.
The goal of the SME ICAM2007 Conference was to facilitate close dialogue among experts on issues related to the research and technological development in technologies for emerging manufacturing, basic science and systems engineering as well as education.
In order to archive those papers with good quality presented in the conference, selected papers are published in this special issue of Material Science Forum.

This special volume of Key Engineering Materials contains all refereed papers presented at the International Workshop on Polymer Blends and Composites, July 8- I 0, 1997, held at the Centre for Advanced Materials Technology, University of Sydney.
The aim of this Workshop is to provide a forum for presentation and discussion of state-of-the-art and future trends in polymer blends and composites research.
It also provides an opportunity for research engineers and scientists from different parts of the world to meet and to explore generic as well as innovative applications and new directions of these novel materials.

Materials Science Forum Vols. *** (2004) pp.167-171 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Effect of Hot Pressing Temperature on Mechanical Properties and Microstructure of Si3N4-TiCnano Composites J.
Lü 1,a 1 School of Mechanical Engineering, Shandong University, Jinan 250061, P.
China 2 Department of Engineering, Laiyang Agricultural College, Laiyang 265200, P.
The Advances in Materials Manufacturing Science and Technology 168 α-Si3N4-TiCnano powders were mixed and dispersed ultrasonically in absolute alcohol, with 2wt% of Al2O3 and 3wt% of Y2O3 used as sintering aids.
Then the enhanced reactivity of the liquid with the solid results in phase Materials Science Forum Vols. *** 169 transformation (from α-Si3N4 to β-Si3N4) and densification through a rapid dissolution-transport-reprecipitation process which is believed to be responsible for the sharp increase in density in the temperature range of 1650℃∼1750℃.

Its origin is a preferred nucleation in the (hot) deformation substructure with significantly larger subgrain size, i.e. in an advanced state of recovery which enhances nucleation /10/.
[3] J.Hirsch, K.Karhausen, O.Engler, in "Continuum Scale Simulation of Engineering Materials" (edt.
Hirsch, Materials Science and Engineering A 336 (2002) p. 249 [14] J.
Forum, 217-222, 1996, pp. 641-646
Forum, 217-222, 1996, pp. 565-570

Engineering TiAl alloys, such as the TNM alloy, can be processed using advanced metallurgical methods - a factor, which is decisive for these specific materials to be economically competitive with other state-of-the-art materials.
Mayer, Development Status, Applications and perspectives of advanced intermetallic titanium aluminides, Materials Science Forum Vols. 783-786 (2014) 15-20
Clemens, Technology and mechanical properties of advanced g-TiAl based alloys, Int.
Mayer, Advanced intermetallic titanium aluminides, DOI: 10.1002/9781119296126; Wiley, USA, 2016, 1189-1200
Kättlitz, Investment casting technology for production of TiAl low pressure turbine blades - process engineering and parameter analysis, Intermetallics 19 (2011) 757-761

Materials Science Forum Vols. *** (2004) pp.206-210 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Effect of Whisker Content on Mechanical Properties and Microstructure of Hydroxyapatite-SiCw Composite Bioceramics Z.W.
Xu 1,c 1 School of mechanical engineering, Shandong university, Jinan, Shandong, China 250061 a niuzongwei@hotmail.com, bjhzhang@sdu.edu.cn, csuperren@btamail.net.cn Keywords: Hydroxyapatite, Silicon carbide whisker, Mechanical properties, Microstructure Abstract.
Advances in Materials Manufacturing Science and Technology 208 Experiments Synthesized Hydroxyapatite-SiCw Composite Miropowder Using In-situ Composite Method.
Advances in Materials Manufacturing Science and Technology 210 Conclusions In this paper conclusions are got that the maximal critical content of SiC whisker in hydroxyapatite/SiCw composite bioceramics is 23.7% by theory calculation.
Ai: Materials Science & Engineering Vol. 13 (1994), p. 33 [4] D.

Materials Science Forum Vols. *** (2004) pp.216-220 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Modeling of Computer-controlled AC Servo Feed System Z.Y.
Zhang 1,c 1 School of Mechanical Engineering, Shandong University, Jinan, China, 250061 a xizhuyan@sohu.com, bluchh@sdu.edu.cn, czhangjianchuan@sdu.edu.cn Keywords: AC servo feed system, Friction, Modeling, XY worktable Abstract.
Fig.3 XY table feed servo drive block diagram Advances in Materials Manufacturing Science and Technology 218 Fig.4 Input signal Fig.5 Output signal System Identification.
The block diagram model was Materials Science Forum Vols. *** 219 constructed by employing an enabled-block, when the system is outside the static region F (friction force) is a function of the velocity.
Masao, et al: Chinese J. of Mechanical Engineering Vol. 37 (2001), p. 76 [7] M.