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Proceedings Paper

Analysis of residual stress state in speed gears for automotive vehicles
Author(s): Tatiana Gurova; Joel R. Teodosio; Vladimir Monine
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Paper Abstract

The residual stress profiles in speed gears for automotive vehicles were determined. The profiles were measured at the root between two teeth of the gears by x-ray tensometry without the necessity of cutting the pieces. The gears were cemented, quenched and annealed. After this heat treatment, compressive residual stresses were introduced by shot-peening. The profiles indicate the maximum residual stress of -950 MPa (compressive) at a depth of 0.05 mm. The stresses are zero at a depth of 0.25 mm. In the gears without shot-peening the maximum residual stress at the surface is -600 MPa (compressive) and is zero at a depth of 0.30 mm.

Paper Details

Date Published: 1 February 2001
PDF: 4 pages
Proc. SPIE 4348, Fourth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (1 February 2001); doi: 10.1117/12.417667
Show Author Affiliations
Tatiana Gurova, Univ. Federal do Rio de Janeiro (Brazil)
Joel R. Teodosio, Univ. Federal do Rio de Janeiro (Brazil)
Vladimir Monine, Instituto Politecnico do Rio de Janeiro (Brazil)


Published in SPIE Proceedings Vol. 4348:
Fourth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering
Alexander I. Melker, Editor(s)

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