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Change of Phase Morphologies During Creep of CMSX-4 at 1253K

Title data

Glatzel, Uwe ; Peng, Z. ; Linker, Torsten ; Feller-Kniepmeier, Monika:
Change of Phase Morphologies During Creep of CMSX-4 at 1253K.
In: Scripta Materialia. Vol. 34 (1996) Issue 2 . - pp. 221-226.
ISSN 1359-6462
DOI: https://doi.org/10.1016/1359-6462(95)00510-2

Abstract in another language

Morphology changes of y' precipitates during uniaxial stress of nicke! base superalloy single crystals
containing high volurne fractions of y' phase are well known. For negative misfit material and tensile stress
in [00 I] direction, the initially cuboidal y' particles transform into rafts oriented perpendicular to the Ioad
axis [I]. In [Oll] orientation y' rods, aligned perpendicular to the tensile externalload direction, are
generated [2]. For the [111] Ioad axis no shape changes were observed neither for tensile nor for
compressive stresses [2]. During investigations of creep anisotropy of CMSX-4 and microstructural
evolution connected with creep in different orientations, the changes in matrix plate thickness occurring
during creep at elevated temperatures are ofinterest. In [001] as weil as in [110] orientation, bowing of
dislocation dipoles in matrix channels is a frequently observed process [3 - 5] which is controlled by the
local resolved shear stress and the thickness ofmatrix plates [5].

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Metals and Alloys
Faculties > Faculty of Engineering Science > Chair Metals and Alloys > Chair Metals and Alloys - Univ.-Prof. Dr.-Ing. Uwe Glatzel
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Profile Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 18 Dec 2014 08:22
Last Modified: 10 Mar 2016 09:49
URI: https://eref.uni-bayreuth.de/id/eprint/5231