Analysis of creep in Si-SiC C-ring by finite element method
Article Abstract:
Creep problems in siliconized silicon carbide (Si-SiC) C-ring subjected to a constant compressive load at 1300 degrees centigrade in air are studied using finite element method. The method uses the finite element code PAFEC-FE and an extension of the uniaxial Norton's law in the creep problem of the Si-SiC C-ring structure and establishing the relationship between creep rate tensor and local stress. Results calculated by the finite element method show a strong agreement with those obtained through experimental procedures.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1992
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Experimental study of interfacial contacting process controlled by power law creep
Article Abstract:
The study of the interfacial contacting processes due to power law creep under high temperature and a high bonding pressure reveal the dependence of the contact process on the asperity angle. The surface folding and interfacial expansion are the two forms of viscoplastic interfacial contact mechanisms. The two mechanisms cause the sensitivity of the surface asperity on the viscoplastic void coalescence process and the alteration of the bonding rate.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1995
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Characterization of elevated temperature crack growth in Hastelloy-X using integral parameters
Article Abstract:
The integral parameters, J integrals and delta-T integrals, are used for the correlation of crack growth data at high temperatures in Hastelloy-X under nominally elastic and plastic loading. The crack growth is examined by a finite element method and the results of the examination are used for the integral parameter computations. The stress-strain nature of Hastelloy-X reveals complex rate sensitivities.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1995
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