Zobrazeno 1 - 10
of 140
pro vyhledávání: '"Chr. Herzig"'
Publikováno v:
Zeitschrift für Metallkunde. 95:945-952
Grain boundary (GB) self-diffusion in iron of 99.9938 and 99.97 wt.% purity was studied in B-type kinetics in the temperature range of 772 to 1050 K. For identical temperatures, the measured values of the product δ × Dgb are systematically lower fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::956d05fa2d20c10a2d960f770f0524ef
https://doi.org/10.3139/146.018036
https://doi.org/10.3139/146.018036
Publikováno v:
Zeitschrift für Metallkunde. 95:76-79
63Ni grain boundary (GB) diffusion in polycrystalline γ-Fe–Ni alloy was measured by the conventional radiotracer method. The double product P = δ × Dgb (δ is the GB width and Dgb is the GB diffusivity) was found to follow the Arrhenius relation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a044a05edd2ea179d4ad077055d9a0a5
https://doi.org/10.3139/146.017921
https://doi.org/10.3139/146.017921
Publikováno v:
Acta Materialia. 52:631-645
Solute diffusion of Ag in nanocrystalline γ-Fe – 40wt%Ni alloy was studied by means of the radiotracer technique in an extended temperature interval (489–1200 K). The powder metallurgical method was applied to produce nanomaterial which consiste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::285f4608b4862b3b4fc5f8aafa40e779
https://doi.org/10.1016/j.actamat.2003.09.045
https://doi.org/10.1016/j.actamat.2003.09.045
Publikováno v:
Zeitschrift für Metallkunde. 94:949-953
Solute diffusion of Ag in polycrystalline γ-Fe-40 wt.% Ni alloy was studied by means of the radiotracer technique. For bulk and grain boundary diffusion, the following Arrhenius parameters were established: D 0 v = 1.2 × 10 -3 m 2 /s and Q v = 279
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d92c771cea016c4a86d4eb587d47b6a3
https://doi.org/10.3139/146.030949
https://doi.org/10.3139/146.030949
Publikováno v:
International Journal of Materials Research. 94:949-953
Solute diffusion of Ag in polycrystalline γ-Fe-40 wt.% Ni alloy was studied by means of the radiotracer technique. For bulk and grain boundary diffusion, the following Arrhenius parameters were established: D v 0 = 1.2 × 10 − 3 m 2 / s $ D_v^0 =
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9149d4ce236004b7202ab6b381615050
https://doi.org/10.1515/ijmr-2003-0173
https://doi.org/10.1515/ijmr-2003-0173
Publikováno v:
Interface Science. 11:67-80
63Ni radiotracer diffusion in a well-compacted nanocrystalline (grain size d ∼ 80 to 100 nm) γ-Fe–40wt%Ni alloy was measured by the serial sectioning technique in an extended temperature range from about 610 to 1010 K. Since the material microst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::352aef72ee8be51ed61ee63e913df9be
https://doi.org/10.1023/a:1021587007368
https://doi.org/10.1023/a:1021587007368
Publikováno v:
Scopus-Elsevier
Bulk and grain boundary (GB) diffusion of Nb in α-Fe were studied in the temperature interval from about 700 to 1100 K by the radiotracer method combined with serial sectioning. A non-Arrhenius temperature dependence of Nb bulk diffusion was establi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b3737b66dd137950179a497387fb8c5
https://doi.org/10.1515/ijmr-2002-0205
https://doi.org/10.1515/ijmr-2002-0205
Publikováno v:
Zeitschrift für Metallkunde. 93:256-264
For the first time, self-diffusion was systematically investigated in well-compacted nanocrystalline (grain size d 80-100 nm) γ-Fe-40 wt.% Ni material in a wide temperature range (600-1010 K) in all Harrison-type kinetic regimes. Samples were prepar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::068f56465cf1acb7b0afe21ff0edaff6
https://doi.org/10.3139/146.020256
https://doi.org/10.3139/146.020256
Publikováno v:
Zeitschrift für Metallkunde. 93:265-272
For the first time, the grain boundary diffusion was investigated in a nanocrystalline material in the whole spectrum of possible kinetic regimes: types-C, B, AB, and A. The microstructure of the nanocrystalline γ-Fe-40 wt.% Ni alloy revealed two di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b20ad0781fb6cc8aa4b462d9a89a74fe
https://doi.org/10.3139/146.020265
https://doi.org/10.3139/146.020265
Publikováno v:
Scripta Materialia. 45:161-167
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cea57108f14bfcc5048fb7a008b3312c
https://doi.org/10.1016/s1359-6462(01)01006-5
https://doi.org/10.1016/s1359-6462(01)01006-5