Measurements of thermal residual stresses in SiC/Ti-15-3 composites

J. L. Bobet, C. Masuda

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Residual stresses present in an as-received and thermally cycled SCS-6/Ti-15-3 metal matrix composite (MMC) have been examined via X-ray diffraction (sin2ψ) experiments. The determination of stress profiles has been achieved by successive removal of the matrix from the composite surface by electropolishing. Axial and hoop stresses in the matrix were tensile (stress levels were higher on the surface of the composite), and those measured in the fiber were compressive (-500 MPa to -600 MPa, but only a few measurements were possible). A stress gradient normal to the surface of the composite was found. Measurement of residual stress levels in the composite subjected to thermal cycling from 400°C to 800°C in an inert atmosphere or in vacuum-revealed significant stress relaxation after only 200 cycles.

Original languageEnglish
Pages (from-to)579-593
Number of pages15
JournalJournal of Thermal Stresses
Volume19
Issue number6
Publication statusPublished - 1996 Sep
Externally publishedYes

Fingerprint

thermal stresses
Thermal stress
residual stress
Residual stresses
composite materials
Composite materials
electropolishing
axial stress
hoops
cycles
metal matrix composites
inert atmosphere
stress relaxation
Electrolytic polishing
matrices
tensile stress
Thermal cycling
Stress relaxation
Tensile stress
gradients

Keywords

  • Coefficient of thermal expansion
  • Metal matrix composite
  • Residual stresses
  • Thermal cycling
  • X-ray diffraction

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Physical and Theoretical Chemistry
  • Computational Mechanics
  • Mechanics of Materials

Cite this

Measurements of thermal residual stresses in SiC/Ti-15-3 composites. / Bobet, J. L.; Masuda, C.

In: Journal of Thermal Stresses, Vol. 19, No. 6, 09.1996, p. 579-593.

Research output: Contribution to journalArticle

Bobet, J. L. ; Masuda, C. / Measurements of thermal residual stresses in SiC/Ti-15-3 composites. In: Journal of Thermal Stresses. 1996 ; Vol. 19, No. 6. pp. 579-593.
@article{87334cb1fb914bbbab58896f7f56b003,
title = "Measurements of thermal residual stresses in SiC/Ti-15-3 composites",
abstract = "Residual stresses present in an as-received and thermally cycled SCS-6/Ti-15-3 metal matrix composite (MMC) have been examined via X-ray diffraction (sin2ψ) experiments. The determination of stress profiles has been achieved by successive removal of the matrix from the composite surface by electropolishing. Axial and hoop stresses in the matrix were tensile (stress levels were higher on the surface of the composite), and those measured in the fiber were compressive (-500 MPa to -600 MPa, but only a few measurements were possible). A stress gradient normal to the surface of the composite was found. Measurement of residual stress levels in the composite subjected to thermal cycling from 400°C to 800°C in an inert atmosphere or in vacuum-revealed significant stress relaxation after only 200 cycles.",
keywords = "Coefficient of thermal expansion, Metal matrix composite, Residual stresses, Thermal cycling, X-ray diffraction",
author = "Bobet, {J. L.} and C. Masuda",
year = "1996",
month = "9",
language = "English",
volume = "19",
pages = "579--593",
journal = "Journal of Thermal Stresses",
issn = "0149-5739",
publisher = "Taylor and Francis Ltd.",
number = "6",

}

TY - JOUR

T1 - Measurements of thermal residual stresses in SiC/Ti-15-3 composites

AU - Bobet, J. L.

AU - Masuda, C.

PY - 1996/9

Y1 - 1996/9

N2 - Residual stresses present in an as-received and thermally cycled SCS-6/Ti-15-3 metal matrix composite (MMC) have been examined via X-ray diffraction (sin2ψ) experiments. The determination of stress profiles has been achieved by successive removal of the matrix from the composite surface by electropolishing. Axial and hoop stresses in the matrix were tensile (stress levels were higher on the surface of the composite), and those measured in the fiber were compressive (-500 MPa to -600 MPa, but only a few measurements were possible). A stress gradient normal to the surface of the composite was found. Measurement of residual stress levels in the composite subjected to thermal cycling from 400°C to 800°C in an inert atmosphere or in vacuum-revealed significant stress relaxation after only 200 cycles.

AB - Residual stresses present in an as-received and thermally cycled SCS-6/Ti-15-3 metal matrix composite (MMC) have been examined via X-ray diffraction (sin2ψ) experiments. The determination of stress profiles has been achieved by successive removal of the matrix from the composite surface by electropolishing. Axial and hoop stresses in the matrix were tensile (stress levels were higher on the surface of the composite), and those measured in the fiber were compressive (-500 MPa to -600 MPa, but only a few measurements were possible). A stress gradient normal to the surface of the composite was found. Measurement of residual stress levels in the composite subjected to thermal cycling from 400°C to 800°C in an inert atmosphere or in vacuum-revealed significant stress relaxation after only 200 cycles.

KW - Coefficient of thermal expansion

KW - Metal matrix composite

KW - Residual stresses

KW - Thermal cycling

KW - X-ray diffraction

UR - http://www.scopus.com/inward/record.url?scp=0030245181&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0030245181&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0030245181

VL - 19

SP - 579

EP - 593

JO - Journal of Thermal Stresses

JF - Journal of Thermal Stresses

SN - 0149-5739

IS - 6

ER -