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  摘要
时间 2007年4月28日
语言 中文
主讲 Dr. Zeming He
题目 纳米功能材料
摘要

纳米技术可是说在最近几年才刚刚兴起,但是它独特的性质已经引起工业界的高度重视,很多采用纳米技术制造的材料也因此应运而生。

这种神奇的技术到底给我们的生活带来什么变化?本期讲述纳米的故事。

Nano Functional Materials: an Introduction



主讲人简介

Curriculum Vitae:
Bachelor of Engineering; Institute of Materials Science and Engineering, Tianjin University, Tianjin, P. R. China; September 1988-July 1992; Materials research with thesis of “Relaxed Ferroelectric Ceramic Materials”
Master of Engineering; Institute of Materials Science and Engineering, Tianjin University, Tianjin, P. R. China; September 1994-March 1997; Materials research with thesis of “A Study of PTC Ceramics and PTC Metal/Ceramic Composites”
Doctor of Philosophy; School of Materials Science and Engineering, Nanyang Technological University (NTU), Singapore; December 1997-September 2001; Materials research with thesis of “Constitutive Modeling of the Densification of Ceramic Materials”

Professional Membership

the Marie Curie Fellows Association, European Commission (2006-2007)
the Materials Research Society Singapore, Singapore (2001-2005)
the American Ceramic Society, USA (2003)
the Institute of Materials, Minerals & Mining, UK (1997-2000)

Current and Previous Employment Experience
Marie Curie Research Fellow; Institute of Materials Research, German Aerospace Center (DLR), Cologne, Germany; May 2005-now
Research Fellow; School of Materials Science and Engineering, Nanyang Technological University (NTU), Singapore; September 2001-November 2004
Research Associate; School of Materials Science and Engineering, Nanyang Technological University (NTU), Singapore; September 2000-September 2001
Technical Cadre; Light Industry Designing Institute of Tianjin, Tianjin, P. R. China; April 1997-November 1997
Technical Cadre; Silicate Institute of Tianjin, Tianjin, P.R.China; July 1992-September 1994

Research:
Research skills (Materials theoretical analysis, experimental operation, and device design and assembly)
Synthesis of powders: Sol-gel, hydrothermal, coprecipitation;
Processing of materials: Forming: die pressing, slip casting, tape casting, electrophoretic deposition, cold isostatic pressing; Sintering: free? ?sintering, hot pressing, hot isostatic pressing, spark plasma sintering;
Characterization of properties: Compositional and microstructural: XRD, SEM, FESEM, TEM, HRTEM, EDX, XPS; Electrical: thermoelectric, dielectric,piezoelectric, (relaxed) ferroelectric, ionic; Mechanical: flexural strength, fracture toughness, hardness; Thermal: DSC, laser flash;
Modeling of sintering: Densification and grain growth;
Design and assembly of device: piezoelectric, thermoelectric, and ionic;
Management

Grant Achievement
Sintering technology for nano-structured thermoelectrics; Project from European Commission; 2005-2007
Development of functionally graded nano composites for ballistic protection; Project from Singapore Government, 2001-2004
?Design of ultrasonic piezoelectric actuator device from nano particles for minimally invasive surgery; Project from Singapore Government, 2000-2004

Project Collaborator
Department of Chemistry, University of Aarhus, Aarhus, Denmark
Materials Chemistry Division, Royal Institute of Technology, Stockholm, Sweden
Institute of Ceramic Technology and System, Fraunhofer, Dresden, Germany
Advanced Materials Technology, Singapore
Tan Tok Seng Hospital, Singapore
Functional Materials Research laboratory, Tongji University, Shanghai, P. R. China

Referees:
1. Dr. Eckhard Müller ?Current advisor
2. Dr. Jan Ma ?Associate Professor, Associate Chair, Previous advisor and supervisor
3. Dr. Zhong Chen ?Associate Professor, Previous colleague


本期内容简介

Materials Science and Engineering is an interdisciplinary study which combines metallurgy, physics, chemistry, and engineering. Subfields include ceramics, biomechanics, semiconductor processing, polymer science, corrosion studies, and environmental studies. Your world is made of materials, and that is what we teach and research. Be it computer chip or brick or foam, they are all materials to us. Do not believe it, then ask IBM, GM, Exxon, Intel, Alcoa…, they are all materials companies, who need better materials to make a better product and a better world.

Whether it could be called a revolution or simply a continuous evolution, it is clear that developing and understanding of nano-meter-scale materials is on the front-line research in many areas of materials science and engineering. Up to date, nano-materials, nano-structures, and nano-technology are investigated heavily. Nano research provides a new era for materials innovation to meet the development of modern science and technology. When materials scale turns into nano range, novel properties are displayed, which in general do not occur in conventional materials with micron or submicron structures.

This talk gives a basic introduction to materials science and engineering, especially to nano functional materials: their concepts, fabrication, and applications. The materials discussed include thermoelectrics, piezoelectrics, dielectrics, ferroelectrics, and ionics. In addition, the briefs on sintering modeling, composite, and functional graded material (FGM) are also presented.



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