Tensile creep properties of δ-Bi2O3

Jeffrey L. Grabowski; David C. Dunand

doi:10.1016/S1359-6462(00)00531-5

Tensile creep properties of δ-Bi₂O₃

Jeffrey L. Grabowski, David C. Dunand

Materials Science and Engineering

Research output: Contribution to journal › Article

Abstract

Isothermal tensile creep tests were performed on δ-Bi₂O₃ in the stress range of 0.1-0.8 MPa. A stress exponent of n = 1.3 was measured at 760°C in the stress range of 0.1-0.8 MPa or n = 1.0 in the range of 0.1-0.5 MPa. An average activation energy of Q = 165 kJ/mol was determined in the range of 680-760°C for a stress of 0.30 MPa. Creep rates before and after multiple thermal cycles about the allotropic range under stress were altered only slightly.

Original language	English (US)
Pages (from-to)	1033-1038
Number of pages	6
Journal	Scripta Materialia
Volume	43
Issue number	11
DOIs	https://doi.org/10.1016/S1359-6462(00)00531-5
State	Published - Nov 13 2000

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/S1359-6462(00)00531-5

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AB - Isothermal tensile creep tests were performed on δ-Bi2O3 in the stress range of 0.1-0.8 MPa. A stress exponent of n = 1.3 was measured at 760°C in the stress range of 0.1-0.8 MPa or n = 1.0 in the range of 0.1-0.5 MPa. An average activation energy of Q = 165 kJ/mol was determined in the range of 680-760°C for a stress of 0.30 MPa. Creep rates before and after multiple thermal cycles about the allotropic range under stress were altered only slightly.

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