Stress evolution in a Pt-diffused gamma/gamma ' bond coat after oxidationCitation formats

  • Authors:
  • X Zhao
  • B Cernik
  • C C Tang
  • S P Thompson
  • P Xiao

Standard

Stress evolution in a Pt-diffused gamma/gamma ' bond coat after oxidation. / Zhao, X; Cernik, B; Tang, C C; Thompson, S P; Xiao, P.

In: Surface & Coatings Technology, Vol. 247, 2014, p. 48-54.

Research output: Contribution to journalArticlepeer-review

Harvard

Zhao, X, Cernik, B, Tang, CC, Thompson, SP & Xiao, P 2014, 'Stress evolution in a Pt-diffused gamma/gamma ' bond coat after oxidation', Surface & Coatings Technology, vol. 247, pp. 48-54. https://doi.org/10.1016/j.surfcoat.2014.02.065

APA

Zhao, X., Cernik, B., Tang, C. C., Thompson, S. P., & Xiao, P. (2014). Stress evolution in a Pt-diffused gamma/gamma ' bond coat after oxidation. Surface & Coatings Technology, 247, 48-54. https://doi.org/10.1016/j.surfcoat.2014.02.065

Vancouver

Zhao X, Cernik B, Tang CC, Thompson SP, Xiao P. Stress evolution in a Pt-diffused gamma/gamma ' bond coat after oxidation. Surface & Coatings Technology. 2014;247:48-54. https://doi.org/10.1016/j.surfcoat.2014.02.065

Author

Zhao, X ; Cernik, B ; Tang, C C ; Thompson, S P ; Xiao, P. / Stress evolution in a Pt-diffused gamma/gamma ' bond coat after oxidation. In: Surface & Coatings Technology. 2014 ; Vol. 247. pp. 48-54.

Bibtex

@article{b43f21ffd0ff4adca62856e1613b5c84,
title = "Stress evolution in a Pt-diffused gamma/gamma ' bond coat after oxidation",
abstract = "The residual stresses in a Pt-diffused gamma/gamma' bond coat after oxidation were investigated using the curvature and X-ray sin(2)psi, techniques. Contrary to the beta-(Ni,Pt)A1, the Pt-diffused gamma/gamma' bond coat was in compression at room temperature due to a lower coefficient of thermal expansion. The stresses measured by the curvature method mainly came from the thermal misfit between the bond coat and the substrate, which decreased as the oxidation time increased. However, the stresses measured by the X-ray sin(2)psi, method exhibited an opposite trend. This discrepancy can be attributed to the different origins of the stress evaluated by different techniques. It demonstrated that the lattice misfit between the gamma and gamma' phases exerted a significant influence on the microstress in the bond coat, and thus restricted the use of X-ray to measure the stress in the Pt-diffused gamma/gamma' bond coat. In addition, the effect of stresses on the texture and rumpling behavior of the bond coat was also discussed. (C) 2014 Elsevier B.V. All rights reserved.",
keywords = "bond coat, stress, x-ray, platinum, rumpling, thermal barrier coatings, lattice-parameters, residual-stress, thin-films, diffraction, generation, thickness, alloys, matrix, design",
author = "X Zhao and B Cernik and Tang, {C C} and Thompson, {S P} and P Xiao",
note = "Ag7tc Times Cited:2 Cited References Count:30",
year = "2014",
doi = "10.1016/j.surfcoat.2014.02.065",
language = "English",
volume = "247",
pages = "48--54",
journal = "Surface and Coatings Technology",
issn = "0257-8972",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Stress evolution in a Pt-diffused gamma/gamma ' bond coat after oxidation

AU - Zhao, X

AU - Cernik, B

AU - Tang, C C

AU - Thompson, S P

AU - Xiao, P

N1 - Ag7tc Times Cited:2 Cited References Count:30

PY - 2014

Y1 - 2014

N2 - The residual stresses in a Pt-diffused gamma/gamma' bond coat after oxidation were investigated using the curvature and X-ray sin(2)psi, techniques. Contrary to the beta-(Ni,Pt)A1, the Pt-diffused gamma/gamma' bond coat was in compression at room temperature due to a lower coefficient of thermal expansion. The stresses measured by the curvature method mainly came from the thermal misfit between the bond coat and the substrate, which decreased as the oxidation time increased. However, the stresses measured by the X-ray sin(2)psi, method exhibited an opposite trend. This discrepancy can be attributed to the different origins of the stress evaluated by different techniques. It demonstrated that the lattice misfit between the gamma and gamma' phases exerted a significant influence on the microstress in the bond coat, and thus restricted the use of X-ray to measure the stress in the Pt-diffused gamma/gamma' bond coat. In addition, the effect of stresses on the texture and rumpling behavior of the bond coat was also discussed. (C) 2014 Elsevier B.V. All rights reserved.

AB - The residual stresses in a Pt-diffused gamma/gamma' bond coat after oxidation were investigated using the curvature and X-ray sin(2)psi, techniques. Contrary to the beta-(Ni,Pt)A1, the Pt-diffused gamma/gamma' bond coat was in compression at room temperature due to a lower coefficient of thermal expansion. The stresses measured by the curvature method mainly came from the thermal misfit between the bond coat and the substrate, which decreased as the oxidation time increased. However, the stresses measured by the X-ray sin(2)psi, method exhibited an opposite trend. This discrepancy can be attributed to the different origins of the stress evaluated by different techniques. It demonstrated that the lattice misfit between the gamma and gamma' phases exerted a significant influence on the microstress in the bond coat, and thus restricted the use of X-ray to measure the stress in the Pt-diffused gamma/gamma' bond coat. In addition, the effect of stresses on the texture and rumpling behavior of the bond coat was also discussed. (C) 2014 Elsevier B.V. All rights reserved.

KW - bond coat

KW - stress

KW - x-ray

KW - platinum

KW - rumpling

KW - thermal barrier coatings

KW - lattice-parameters

KW - residual-stress

KW - thin-films

KW - diffraction

KW - generation

KW - thickness

KW - alloys

KW - matrix

KW - design

U2 - 10.1016/j.surfcoat.2014.02.065

DO - 10.1016/j.surfcoat.2014.02.065

M3 - Article

VL - 247

SP - 48

EP - 54

JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

SN - 0257-8972

ER -