Effects of elemental vaporization and condensation during heat treatment of single crystal superalloys

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Effects of elemental vaporization and condensation during heat treatment of single crystal superalloys. / Wang, H.; D'Souza, N.; Zhao, Shixiang; Welton, D.; Warnken, N.; Reed, R. C.

In: Scripta Materialia, Vol. 78-79, 05.2014, p. 45-48.

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Wang, H. ; D'Souza, N. ; Zhao, Shixiang ; Welton, D. ; Warnken, N. ; Reed, R. C. / Effects of elemental vaporization and condensation during heat treatment of single crystal superalloys. In: Scripta Materialia. 2014 ; Vol. 78-79. pp. 45-48.

Bibtex

@article{e33cbe4da060467f89226fec367b8d37,
title = "Effects of elemental vaporization and condensation during heat treatment of single crystal superalloys",
abstract = "Vaporization and subsequent condensation of Ni and Al is shown to play a dominant role in the evolution of microstructure during heat treatment of an Re-containing single crystal superalloy. Thus the traditional view that matter is not exchanged with the environment - so that the thermodynamic system is closed - is shown to be incorrect. The extent of depletion of Ni and Al alters the surface chemistry, causing formation of refractory-rich precipitates and destabilization of the matrix phase, γ.",
keywords = "Heat treatment, Homogenization/solutioning, Nickel alloys, Recrystallization, Surface evaporation",
author = "H. Wang and N. D'Souza and Shixiang Zhao and D. Welton and N. Warnken and Reed, {R. C.}",
year = "2014",
month = may,
doi = "10.1016/j.scriptamat.2014.01.031",
language = "English",
volume = "78-79",
pages = "45--48",
journal = "Scripta Materialia",
issn = "1359-6462",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Effects of elemental vaporization and condensation during heat treatment of single crystal superalloys

AU - Wang, H.

AU - D'Souza, N.

AU - Zhao, Shixiang

AU - Welton, D.

AU - Warnken, N.

AU - Reed, R. C.

PY - 2014/5

Y1 - 2014/5

N2 - Vaporization and subsequent condensation of Ni and Al is shown to play a dominant role in the evolution of microstructure during heat treatment of an Re-containing single crystal superalloy. Thus the traditional view that matter is not exchanged with the environment - so that the thermodynamic system is closed - is shown to be incorrect. The extent of depletion of Ni and Al alters the surface chemistry, causing formation of refractory-rich precipitates and destabilization of the matrix phase, γ.

AB - Vaporization and subsequent condensation of Ni and Al is shown to play a dominant role in the evolution of microstructure during heat treatment of an Re-containing single crystal superalloy. Thus the traditional view that matter is not exchanged with the environment - so that the thermodynamic system is closed - is shown to be incorrect. The extent of depletion of Ni and Al alters the surface chemistry, causing formation of refractory-rich precipitates and destabilization of the matrix phase, γ.

KW - Heat treatment

KW - Homogenization/solutioning

KW - Nickel alloys

KW - Recrystallization

KW - Surface evaporation

UR - http://www.scopus.com/inward/record.url?scp=84900575980&partnerID=8YFLogxK

U2 - 10.1016/j.scriptamat.2014.01.031

DO - 10.1016/j.scriptamat.2014.01.031

M3 - Article

AN - SCOPUS:84900575980

VL - 78-79

SP - 45

EP - 48

JO - Scripta Materialia

JF - Scripta Materialia

SN - 1359-6462

ER -