EXPERIMENTAL STUDY OF PLATE BUCKLING INDUCED BY SPATIAL TEMPERATURE GRADIENTS

An experimental study of plate buckling induced by spatial temperature gradients is described. A rectangular Hastelloy-X plate is subjected to local line heating by a focused quartz heat lamp. Two parallel plate edges are maintained at constant temperature by coolant flow. Point supports provide wel...

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Veröffentlicht in:	Journal of thermal stresses 1994-04, Vol.17 (2), p.191-212
Hauptverfasser:	Thornton, Earl A., Coyle, Marshall F., McLeod, Rory N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Buckling Exact sciences and technology Fundamental areas of phenomenology (including applications) Physics Solid mechanics Static buckling and instability Structural and continuum mechanics
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Beschreibung
Zusammenfassung:	An experimental study of plate buckling induced by spatial temperature gradients is described. A rectangular Hastelloy-X plate is subjected to local line heating by a focused quartz heat lamp. Two parallel plate edges are maintained at constant temperature by coolant flow. Point supports provide well-defined thermal-structural boundary conditions. Test results including temperature and displacements from transient elastic and inelastic tests demonstrate that substantial plate bending occurs due to initial plate warpage and thermally induced membrane compressive stresses.
ISSN:	0149-5739 1521-074X
DOI:	10.1080/01495739408946255