Filtern
Erscheinungsjahr
Dokumenttyp
- Zeitschriftenartikel (128)
- Beitrag zu einem Tagungsband (34)
- Beitrag zu einem Sammelband (31)
- Vortrag (6)
- Buchkapitel (2)
- Forschungsbericht (2)
- Dissertation (1)
- Sonstiges (1)
- Posterpräsentation (1)
Sprache
- Englisch (153)
- Deutsch (48)
- Mehrsprachig (5)
Schlagworte
- Third body (13)
- Tribofilm (13)
- TEM (10)
- Friction (8)
- Nanoparticles (8)
- Friction layer (6)
- Sliding simulation (6)
- FIB (5)
- Movable cellular automata (5)
- Nanostructure (5)
Organisationseinheit der BAM
Eingeladener Vortrag
- nein (6)
Optical and electron metallography have been used to investigate the development of different microstructures in Armco Fe after rolling reductions between 0 and 90%. Simultaneously, the orientation distribution functions have been calculated from pole figures obtained by X-ray diffraction. Different stages of texture development could be assigned to typical microstructures. Strain inhomogeneities, such as microbands and shear bands, caused some broadening of the texture and a slight deviation of one skeleton line from the predicted fibre texture component. The decomposition of orientations near {111} < 121 > , and the strengthening of {211} < 011 > after high rolling reductions, was not due to mechanical twinning but could rather be explained by assuming {211} < 111 > slip. 30 ref.--AA
The role of grain size and ferrite substructure in respect to mechanical properties of an HSLA steel
(1986)
Several heat treatments were applied to an HSLA steel on type StE460 (German standard) to produce four ferrite substructures of different strength and at least two different grain sizes respectively. Whereas the ferrite substructure has a strong influence on yield strength the effect of grain size was negligible though probably to some extent masked by different pearlite volume fractions. The different strength levels could be explained by regarding the arrangement of dislocations and vanadium carbonitride particles and their mutual interaction. Increasing both grain size and pearlite volume fraction leads to a remarkable shift of transition temperature T sub 27J which was further enhanced by increasing ferrite strength. 16 ref.--AA