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Topic: Strain (materials science)


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In the News (Mon 21 Dec 09)

  
  Strain (materials science) - Wikipedia, the free encyclopedia
In any branch of science dealing with materials and their behaviour, strain is the geometrical expression of deformation caused by the action of stress on a physical body.
Given that strain results in the deformation of a body, it can be measured by calculating the change in length of a line or by the change in angle between two lines (where these lines are theoretical constructs within the deformed body).
Strain has no units of measure because in the formula the units of length are cancelled.
en.wikipedia.org /wiki/Strain_(materials_science)   (341 words)

  
 CWRU General Bulletin 93-95   (Site not responding. Last check: 2007-10-12)
Materials science and engineering is a discipline that extends from the basic science of materials structure and properties to the design and evaluation of materials in engineering systems.
Materials science draws on chemistry in its concern for bonding, synthesis, and composition of engineering materials and their chemical interactions with the environment.
Mechanical behavior of materials; micromechanisms of deformation and fracture; composite materials; ductile phase toughening of brittle materials; high-pressure deformation and fracture studies; hydrostatic extrusion.
www.cwru.edu /bulletin/96_98/Engineering/materials_science.html   (4482 words)

  
 ScienceDaily: Nanoparticles Stiff From Constant Strain   (Site not responding. Last check: 2007-10-12)
The Science paper is coauthored by Gilbert, Banfield, Zhang, Waychunas and Feng Huang, a postdoctoral researcher in the UC Berkeley Department of Earth and Planetary Sciences.
Materials science -- Materials science is the multidisciplinary field relating the performance and function of matter in any and all applications to its micro, nano, and atomic-structure, and vice...
Semiconductor -- A semiconductor is a material with an electrical conductivity that is intermediate between that of an insulator and a conductor.
www.sciencedaily.com /releases/2004/07/040707092120.htm   (1880 words)

  
 MATERIALS SCIENCE & ENGINEERING
Materials and advances in materials are at the core of a large number of significant technological advances.
Materials processing related laboratory experiments, including powder synthesis, redox reactions of particulate materials, grain growth, recyrstallization, phase transformation, green tape processing, particle interaction and rheolgy, slip and tape casting and dry processing, sol-gel processing, polymer processing, sintering behavior, metal welding, and heat treatment.
Stress-strain tensors and response of materials to multiaxial loads, Effect of symmetry on elastic properties; spring dashpot analogs for viscoelasticity; strengthening mechanisms and continuum plasticity; failure probability and toughening mechanisms; creep, fatigue and stress corrosion cracking.
www.washington.edu /students/crscat/mse.html   (2287 words)

  
 Negative Poisson's ratio
Poisson's ratio in materials is governed by the following aspects of the microstructure: the presence of rotational degrees of freedom, non-affine deformation kinematics, or anisotropic structure.
Poisson's ratio as a function of strain is obtained by modeling the three dimensional unit cell as an idealized polyhedron unit cell.
Fracture toughness of re-entrant foam materials with a negative Poisson's ratio is explored experimentally as a function of permanent volumetric compression ratio, a processing variable.
silver.neep.wisc.edu /~lakes/Poisson.html   (4197 words)

  
 Scientific.Net: Materials Science
Materials Science Forum specializes in the rapid publication of international conference proceedings and stand-alone volumes on topics of current interest.
Advanced Materials Research is a book series presenting the proceedings of international conferences, workshops and symposia as well as state-of-the-art volumes on topics of current interest in all areas of materials research.
Applied Mechanics and Materials is a book series specialized in the rapid publication of proceedings of international conferences, workshops and symposia as well as state-of-the-art volumes on topics of current interest in all areas of mechanics related to materials science.
www.scipress.com   (433 words)

  
 Materials Science
The process that results in the loss of material due to interaction with the environment is known as wear.
The mechanism of material removal from the surface has been explained in terms of cutting, plowing, delamination, pitting, cavitation, and so on, and/or fatigue.
Today nickel is widely used as a key constituent in stainless steels, low-alloy steels, and cast irons, as the base element for many corrosion and heat resistant alloys, as wear or corrosion resistant coatings, and in special-purpose materials such as magnetic alloys and controlled-expansion alloys.
www.wordtrade.com /science/physics/materialsscience.htm   (2426 words)

  
 Research in Materials : Mechanical Engineering, Oregon State University
Materials science is inherently interdisciplinary, involving fundamental aspects of chemistry, physics, biology, geoscience, agricultural science, mathematics, and engineering.
Materials research within the ME department is currently funded through a range of sources including the National Science Foundation, the Office of Naval Research, and the Petroleum Research Foundation.
In addition, the materials science faculty are active in the Materials Research Society, ASM International, the Minerals, Metals, and Materials Society (TMS), the American Ceramic Society, and the Institute for Electronics and Electrical Engineering (IEEE).
me.oregonstate.edu /research/materials.html   (314 words)

  
 Materials Science and Engineering
Designed to teach undergraduate seniors and first year graduate students in materials science and engineering the basic rate and its application to such solid state phenomena as diffusion solidification and transformations in solids involving nucleation and growth, spinodol decomposition, and martensitic transformations.
This material is used to illustrate the advanced epitaxial techniques of organometallic vapor phase epitaxy, chemical beam epitaxy, and molecular beam epitaxy.
The goals of this class are to improve student written and oral presentation skills, to familiarize students with the department's faculty, their research interests, and to broaden the general materials knowledge of both the students and the faculty of the College of Engineering.
www.acs.utah.edu /gencatalog/1038/crsdesc/mse.html   (2557 words)

  
 Undergraduate Course Descriptions | Materials Science and Engineering | University of Pittsburgh   (Site not responding. Last check: 2007-10-12)
Theory of elasticity, stress, strain, constitutive equations, isotropic and anisotropic elasticity, wave propagation in brittle solids, time dependent deformation, viscoelasticity, vibrations, damping, anelasticity, creep, design of creep resistant microstructures, deformation of polymers, physics of fracture, fracture mechanisms, brittle fracture, ductile fracture, design of fracture-resistant microstructures.
Concepts introduced in Materials Science I, energetics and materials processing are used to provide an understanding of the development of structure in metals and alloys, and the dependence of properties on structure.
Undergraduate students are admitted to the Department of Material Science Engineering through the School of Engineering Admissions Office.
www.engr.pitt.edu /materials/undergrad/courses.html   (1498 words)

  
 Postgraduate Diplomas/ Faculty of Science, 2003/2004   (Site not responding. Last check: 2007-10-12)
The Higher Diploma in Applied Science (Materials Chemistry) is available either as a one year (full-time) or as a two year (part-time) programme from the date of first registration for the programme.
Chemical analysis of materials - spectroscopic analysis (ir, raman, nmr, Mossbauer, uv-vis) - X-ray analysis (powder and single crystal methods) - surface analysis methods, profilometer, ESCA, LEED, SEM, TEM and scanning acoustic microscopy, EDS0.
Stress and Strain relationships in materials; comparison of mechanical and chemical properties, creep, deformation and corrosion; crystal structure and solid state chemistry and physics.
www.ucc.ie /academic/calendar/postgraduate/diploma/science/page11.html   (287 words)

  
 Department of Materials Science and Engineering -- Cornell University
She is a member of the American Physical Society, the Materials Research Society, and the American Association for the Advancement of Science.
My approach to research has been to develop new classes of magnetic oxide thin film materials (1) to understand the structure-property relationships of these novel materials, (2) to develop a fundamental understanding of magnetism at nanometer length scales in complex materials and (3) to fabricate spin devices based on these materials.
A strong motivation for research in the nanometer regime is that magnetism at these length scales may be dominated by processes that are very different from those at macroscopic length scales.
www.mse.cornell.edu /materials_science_people/suzuki.html   (753 words)

  
 Degree Requirements for Prospective Graduate Students in Materials Science
MS Committee constitution: The Committee is composed of at least three faculty members of the Materials Science Program (the Materials Science Advisory Committee or MSAC), including the student's major professor(s).
Examples of the types of mathematical language that are important to descriptions of materials phenomena include differential equations (ordinary and partial, the latter referring to multivariate models and solving boundary value problems, diffusion equations, wave equations etc.), transform theory (Fourier, Laplace), series solutions and approximations, and complex analysis.
The make-up of the Ph.D. Thesis Committee must be on file in the Materials Science Program Office by the end of the first regular semester after successful completion of the Research Readiness Exam.
www.engr.wisc.edu /interd/msp/prospective/degrees.html   (2001 words)

  
 MATERIALS SCIENCE: Disordered Strain Science - Find Articles   (Site not responding. Last check: 2007-10-12)
Many methods exist for the nondestructive measurement of strain in crystalline materials, where the regular ordering of atoms generates a sharp signal when probed with x-rays or neutrons.
In amorphous materials, localized strain information can be obtained by using techniques that probe the surface, such as optical or electron microscopy, but behavior at the surface does not typically mimic that in bulk material.
Further, the strain fields are usually governed by the behavior around inhomogeneities such as inclusions, voids, and cracks.
newssearch.looksmart.com /p/articles/mi_hb3418/is_200501/ai_n13149159   (233 words)

  
 Strain - Wikipedia, the free encyclopedia
Strain (materials science), the deformation of materials caused by stress
Strain (biology), a variant of a plant, virus or bacteria; or an inbred animal used for experimental purposes
Strain (chemistry), a chemical stress of a molecule
en.wikipedia.org /wiki/Strain   (146 words)

  
 Nature Materials: materials science
Nature Materials (2005 ISI impact factor 15.941) is a monthly multi-disciplinary journal aimed at bringing together cutting-edge research across the entire spectrum of materials science, blending physics, chemistry, biology and engineering into an innovative product.
A predictive mechanism for dynamic strain ageing in aluminium-magnesium alloys
For research highlights on the latest developments in materials science and nanotechnology, plus features and news from across NPG's family of research publications (including Nature, Nature Materials and news@nature) and beyond, go to Materials Update.
www.nature.com /nmat   (196 words)

  
 Materials Science and Engineering
Plane stress, plane strain, stress-strain relationships, and elements of material behavior.
Understand the concepts of stress at a point, strain at a point, and the stress-strain relationships for linear, elastic, homogeneous, isotropic materials.
Calculate the stresses and strains associated with axial loads, torsional loads, bending loads, and pressurized circular cylinders both individually and in combination.
www.eng.iastate.edu /mse.abet/appndxI-B324.html   (220 words)

  
 By Subject - Materials Science - Electronic Journals   (Site not responding. Last check: 2007-10-12)
Materials science and technology : MST : a publication of the Institute of Metals -
Materials world : the journal of the Institute of Materials - Selected articles of this title
Focuses on the experimental and theoretical studies of fundamental and applied research in biology, medicine, chemistry, materials science, physics, and engineering at the micro and nano scales
www.lib.washington.edu /subject/MaterialsSci/dr/eljnl.html   (1212 words)

  
 Materials Science and Engineering Faculty Directory   (Site not responding. Last check: 2007-10-12)
Materials Processing and Transport Phenomena, including: Welding, Casting, and Crystal Growth of Semiconductors and Metals.
The use of cluster/site approximation for alloy phases to calculate multicomponent phase diagrams and coherent inter-phase and anti-phase boundary energies.
The structure-property relationships of superconducting materials and their applications to superconducting magnets -- We study both the conventional low temperature superconductors such as Nb-Ti and Nb Sn, the new medium temperature superconductor MgB
www.engr.wisc.edu /mse/faculty   (730 words)

  
 A Stretchable Form of Single-Crystal Silicon for High-Performance Electronics on Rubber Substrates -- Khang et al. 311 ...
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Seitz Materials Research Laboratory, University of Illinois, Urbana-Champaign, Urbana, IL 61801, USA.
AAAS is a partner of HINARI, AGORA, PatientInform, CrossRef, and COUNTER.
www.sciencemag.org /cgi/content/abstract/311/5758/208   (257 words)

  
 Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays -- Wang and Song 312 (5771): 242 -- Science
Home > Science Magazine > 14 April 2006 > Wang et al.
School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing 100871, China.
www.sciencemag.org /cgi/content/abstract/312/5771/242   (275 words)

  
 Environmental Science- Systems and Solutions reviews :Environmental Science- Systems and Solutions review Environmental ...   (Site not responding. Last check: 2007-10-12)
Environmental Science- Systems and Solutions is the Hardcover version.
Environmental Science- Systems and Solutions keywords: Environmental Science- Systems and Solutions :: Buy Environmental Science- Systems and Solutions ::Science & Biology :: Technology & Industrial Arts :: Science&Mathematics :: Science :: Pollution :: Life Sciences - Ecology :: Life Sciences - Biology - General :: Environmental Science- Systems and Solutions 01 January, 200
Fundamentals of Materials Science and Engineering - An Integrated Approach ::
book--reviews.com.cob-web.org:8888 /Environmental-Science--Systems-and-Solutions.htm   (412 words)

  
 UMIST - Research interests in Materials Science   (Site not responding. Last check: 2007-10-12)
The process of migration to www.manchester.ac.uk is in progress.
Research > Departmental research directory > Materials Science research interests
This is an overview of the research interests in the department.
www.umist.ac.uk /research/directory/materialscience.htm   (196 words)

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