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  • 2005-2009  (5)
  • 1970-1974
  • 2006  (2)
  • 2005  (3)
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  • 2005-2009  (5)
  • 1970-1974
Year
  • 1
    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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  • 2
    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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    Paper (German National Licenses)
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  • 3
    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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  • 4
    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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  • 5
    Electronic Resource
    Electronic Resource
    EBSD and TEM Characterization of Ultrafine Grained High Purity Aluminum Produced by Accumulative Roll-Bonding (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 512 (Apr. 2006), p. 91-96 
    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: High purity aluminum (99.99% purity) was severely deformed by accumulativeroll-bonding (ARB) to a thickness reduction of 98.4%. Quantitative microstructural characterization of the deformed sample was carried out by electron backscatter diffraction (EBSD) and transmission electron microscopy (TEM). EBSD scans at various locations from the sample surface to the mid-thickness revealed a fairly uniform and equiaxed structure, although a small fraction of an elongated structure parallel to rolling direction (RD) was also observed. Misorientation angledistributions for grain boundaries of which misorientation angle was larger than 2° were evaluated by EBSD, showing that more than 70% of the boundaries were high-angle ones (〉15°). More detailed structural features, such as low-angle boundaries (〈2°) and dislocations between boundaries were characterized by TEM. The TEM results indicated that about 17% of the boundaries havemisorientations 〈2° and that the fraction of high-angle boundaries is about 52%. An estimated yield strength based on the structural parameters determined by TEM was in good agreement with the measured value
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/12/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.512.91.pdf
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    Paper (German National Licenses)
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