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Transient and Residual Thermal Stresses in Quenched Cylindrical Bodies by S Sen; B Aksakal; A Ozel is a Engineering article available to read on EtoBox.

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To predict residual and thermal stresses which occur during water quenching of solid cylindrical rod and ring cross-sectioned steel tubes, a "nite element technique has been used. The variations of residual stresses on di!erent surfaces and cross-sections, e.g. in the radial, axial and tangential directions have been examined, and the e!ect of internal diameter of tubes on residual stress was investigated. The results show that the residual stresses act as a compressive force along the cooling surface and then by moving away from the surface begin to decrease and reverse their sign, near the centre of the cylinder are subjected to tensile stresses. Because of the reversal of the sign of stress, the e!ective stress goes to a minimum at some distance from the frontal surface and this may be vital since lower plastic deformation may cause cracking failure. As in solid cylinder, in cylindrical tubes also, the frontal and the upper cooling surface has signi"cant e!ect on the stress distribution. From the comparison of the residual stress distributions of solid cylinder and cylindrical tubes and using their individual stress maps it was seen that they vary considerably along di!erent coo

Who reads Transient and Residual Thermal Stresses in Quenched Cylindrical Bodies?

Author

S Sen; B Aksakal; A Ozel

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0020-7403)

Published

2000

Language

EN

Field

Engineering (Physical Sciences)