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  • 2005-2009  (13)
  • 1970-1974  (1)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Reviews (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Orbis litterarum 26 (1971), S. 0 
    Details
    ISSN: 1600-0730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Linguistics and Literary Studies
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0730.1971.tb00663.x
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  • 2
    Electronic Resource
    Electronic Resource
    Structural Refinement of Interstitial Free (IF) Steel by Deformation and Phase Transformation (2005)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 475-479 (Jan. 2005), p. 37-42 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Structural refinement in interstitial free (IF) steels has been obtained by three different methods: (i) deformation by cold or warm rolling, (ii) martensitic transformation and (iii) a combination of a martensitic transformation and plastic deformation. For all these processes, the refinement is discussed in terms of grain subdivision by high angle boundaries and dislocation boundaries on length scales from the micrometer level to the nanometer dimension. The characteristics of the subdividing boundaries are discussed, leading to the formulation of strength-structural relationship for IF steel in the deformed state
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/09/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.475-479.37.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Structural Refinement and Coarsening in Deformed Metals (2005)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 101-102 (Jan. 2005), p. 279-286 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/21/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.101-102.279.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Metal Working and Dislocation Structures (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 353-358 (Sept. 2007), p. 9-16 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Microstructural observations are presented for different metals deformed from low tohigh strain by both traditional and new metal working processes. It is shown that deformationinduced dislocation structures can be interpreted and analyzed within a common framework of grainsubdivision on a finer and finer scale down to the nanometer dimension, which can be reached atultrahigh strains. It is demonstrated that classical materials science and engineering principles applyfrom the largest to the smallest structural scale but also that new and unexpected structures andproperties characterize metals with structures on the scale from about 10 nm to 1 μm
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/55/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.353-358.9.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Microstructure and Mechanical Properties of High Strength Al〈sub〉2〈/sub〉O〈sub〉3p〈/sub〉/6061Al Composites (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 353-358 (Sept. 2007), p. 1390-1393 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: An experimental study of microstructure and mechanical properties in the Al2O3particulate reinforced 6061 Aluminum composites has been used to determine the effect ofextrusion and particle volume fraction (20, 26, 30, 40, 50, 60%Vf) in deformed metal matrixcomposites. The microstructure of Al2O3 /6061Al composite before and after hot extrusion isinvestigated by TEM and SEM. Results show that dislocation and subgrain generated after hotextrusion as well as the particle distribution of composite become more uniform with extrusion ratioof 10:1. The ultimate strength, yield strength and elongation of the composite also increase after hotextrusion. Dispersion strengthening and subgrain boundary strengthening is discussed and also theeffect of precipitate introduced by heat treatment both after casting and after extrusion. The yieldstress (0.2% offset) of the composites has been calculated and predicted using a standard dislocationhardening model. Whilst the correlation between this and the measured value of yield stressobtained in previous experimental test is reasonable
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/55/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.353-358.1390.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Flow Stress Anisotropy - Effect of Microstructure and Texture in Aluminium and IF Steel (2005)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 495-497 (Sept. 2005), p. 1541-1546 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The effect of microstructure and texture on the flow stress anisotropy in aluminium and IF steel has been investigated. The samples are recrystallized commercial purity aluminium (AA1050) cold rolled to prestrains of 0.05, 0.11 and 0.2, and recrystallized IF steel cold rolled to a prestrain of 0.28. The flow stress anisotropy was measured by tensile testing of specimens cut along different directions in the rolling plane. Pronounced anisotropy was found in both materials in spite of weak textures. The yield stress increases with increasing angle between the tensile direction and the rolling direction at all prestrains. The effect of microstructure and texture on the flow stress anisotropy was modelled by incorporating into a full-constraint Taylor model the strengthening effect of dislocation boundaries. The modelling and experimental results agree well, leading to a discussion of effect of the microstructure and texture on the flow stress anisotropy
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/11/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.495-497.1541.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Large Strain Deformation and Annealing of Aluminium (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 519-521 (July 2006), p. 79-84 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: TEM, Kikuchi diffraction analyses, EBSD, neutron diffraction and hardnessmeasurements have been applied in a study of commercial purity aluminum (AA1200) cold rolledto strains 2 and 4 and afterwards recovered by a heat treatment for 2h at temperatures up to 220 °C.The deformation microstructure is a lamellar structure delineated by dislocation boundaries andhigh angle boundaries ( ) parallel to the rolling plane. The macrotexture is a typical rollingtexture which is composed of individual texture components present as micrometer- andsubmicrometre-sized volumes. In the lamellar structure, correlations have been established betweenmicrostructural parameters and the local texture, showing for example that the density of high angleboundaries and the stored energy vary locally. The local variations affect the annealing behaviors ina way that some regions coarsen faster than others, leading to a recovered structure which isheterogeneous
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/13/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.519-521.79.pdf
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Structural Change during Cold Rolling of Electrodeposited Copper (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 539-543 (Mar. 2007), p. 5013-5018 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Copper sheet samples composed of nanometer scale lamellar twins was produced byelectrodeposition. The coherent lamellar twin boundaries were within 20˚ of being parallel to thesheet plane in more than 60% of the grains. The electrodeposited sample was cold rolled to 30 and85% reductions in thickness and the structural evolution during cold rolling was examined bytransmission electron microscopy (TEM) and high resolution TEM (HRTEM). Extensive activity ofpartial dislocations along twin boundaries and of perfect dislocations within twins (in particular incoarse twins 〉100nm) were identified. Moreover, it was found that shear banding occurred, whichlocally destroyed the lamellar twin structure. A dislocation structure developed within the shearbands, and such a structure evolved with strain and gradually replaced the lamellar twin structure.After 85% deformation, a large volume fraction of the lamellar twin structure was replaced by alamellar dislocation structure characteristic of high strain rolling where the lamellar dislocationboundaries are almost parallel to the rolling plane. It was also found that the structural scales arecoarser in the lamellar dislocation structure than in the initial lamellar twin structure
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.5013.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    Global and Local Structural Evolution during Deformation and Annealing of FCC Metals (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 550 (July 2007), p. 169-180 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Deformation of metals from medium to high strain significantly affect the deformationstructure as well as the recovery and recrystallization behaviour when deformed samples areannealed. This behaviour is illustrated for FCC metals of medium to high stacking fault energy, withemphasis on the behaviour of aluminium and aluminium alloys deformed by cold rolling to largestrain. The analysis encompasses hardness testing, EBSD and TEM. The deformationmicrostructure is a lamellar structure of dislocation boundaries and high angle boundaries where thepercentages of the latter increases to about 60-80% at large strain. The macrotexture is a typicalrolling texture, which is composed of individual texture components present as micrometre andsubmicrometre size volumes. In the lamellar structure correlations have been established betweenmicrostructural parameters and local orientations showing for example variations in stored energybetween the texture components and large variations in the spatial distributions of the high anglelamellar boundaries. Such local variations can affect the structural coarsening during recovery atlow temperature leading to significant structural difference on a local scale. The local variations inthe deformed structure can also significantly affect the structural changes taking place locally duringhigh temperature annealing thereby affecting the evolution of the structure and texture on amacroscopic scale
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.550.169.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Microstructure and Mechanical Properties of Nanostructured Metals Produced by High Strain Deformation (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 579 (Apr. 2008), p. 135-146 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Deformation structures produced by high pressure torsion (HPT) and accumulativeroll-bonding (ARB) were characterized by transmission electron microscopy and electron backscatterdiffraction, and the mechanical properties of the ARB samples were determined by uniaxial tensiletesting. The structural evolution during HPT in high purity nickel has been examined and an extendedlamellar boundary structure was observed at high strains. For ARB samples deformed to high strains,an almost similar structural morphology has been observed in both interstitial free steel and incommercial purity aluminum, whereas a relatively equiaxed structural morphology was observed inhigh purity aluminum samples. In all samples, both deformed by HPT and ARB, the deformationstructures were composed of a large fraction of high-angle boundaries, together with low-angleboundaries and isolated dislocations between the boundaries. Common characteristics have beenidentified in the mechanical behavior of the ARB samples, namely a very high strength, a smalluniform elongation and a relatively large post-uniform elongation after necking. For HPT and ARBthe structural morphology and structural parameters are compared, and for the ARB samplesstructure-property relationships are also discussed
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.579.135.pdf
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