Abstract

Residual stresses in net-shaped plasma sprayed tubes was measured by X-ray microdiffraction, as a function of radial position in the sample. A tensile to compressive hoop stress profile was measured, ranging 200 MPa in tension at the outer diameter, to ~125 MPa at the inner. A force balance model was used to explain the evolution of stresses when incrementally adding layers to the pre-existent material.

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