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Temperature dependence of x-ray intensity profile FWHM of the γ' phase in the creep-deformed single crystal superalloy SC16

Darowski, N ; Zizak, I ; Schumacher, G ; Klingelhöffer, H ; Chen, W ; Neumann, W

Journal of physics. D, Applied physics, 2005-05, Vol.38 (10A), p.A200-A203 [Periódico revisado por pares]

Bristol: IOP Publishing

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Título:
Temperature dependence of x-ray intensity profile FWHM of the γ' phase in the creep-deformed single crystal superalloy SC16
Autor: Darowski, N ; Zizak, I ; Schumacher, G ; Klingelhöffer, H ; Chen, W ; Neumann, W
Assuntos: Condensed matter: structure, mechanical and thermal properties ; Creep ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Materials science ; Materials testing ; Mechanical and acoustical properties of condensed matter ; Mechanical properties of solids ; Other heat and thermomechanical treatments ; Physics ; Treatment of materials and its effects on microstructure and properties
É parte de: Journal of physics. D, Applied physics, 2005-05, Vol.38 (10A), p.A200-A203
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: High-resolution diffraction using synchrotron x-ray radiation was applied to study gamma' precipitates with an L12 superlattice crystal structure in the single crystal superalloy SC16 after creep deformation at 1223 K with a creep strain of +/-0.5% for tensile and compressive loads, respectively. The measurements of full width at half maximum (FWHM) of 001 and 100 gamma'superlattice reflections were performed at various temperatures from ambient temperature to 1173 K in vacuum. The experimental results revealed that the FWHM of both reflections decrease with increasing temperature. It is well-known that changes in particle size and lattice distortion in materials could lead to a variation of FWHM. The observed behaviour is discussed in the light of both the above-mentioned aspects. The decrease in the peak width is mainly attributed to the temperature dependence of the internal strain state.
Editor: Bristol: IOP Publishing
Idioma: Inglês

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Temperature dependence of x-ray intensity profile FWHM of the γ' phase in the creep-deformed single crystal superalloy SC16

Darowski, N ; Zizak, I ; Schumacher, G ; Klingelhöffer, H ; Chen, W ; Neumann, W

Bristol: IOP Publishing

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