Showing papers on "Roller burnishing published in 2002"
Patent•
26 Sep 2002TL;DR: In this article, a method and device for the production of coated bores is described, whereby the bore wall is plasma sprayed with a coating material after formation of the bore, and an adequate resistance of the coating to mechanical loads may be achieved by applying a roller burnishing.
Abstract: The invention relates to a method and device for the production of coated bores, whereby the bore wall is plasma sprayed with a coating material after formation of the bore. According to the invention, an adequate resistance of the coating of the bore wall to mechanical loads may be achieved, whereby the bore wall is subjected to a roller burnishing.
7 citations
Patent•
18 May 2002
TL;DR: In this paper, the rollers induce stretching forces in the metal round the small grooves, and a distance or position sensor is placed between a central rib (13) on the tool and the floor of the broad bearing groove.
Abstract: The rollers (8) may be inclined at an angle of 35 degrees. They are pressed into the corners of a broad bearing groove by a pair of inclined guide surfaces (9) on the deforming tool (7) to form small grooves (4). There are tool housing members (6) on either side of the tool, which consists of a roller. A distance or position sensor (14) is placed between a central rib (13) on the tool and the floor of the broad bearing groove. The rollers induce stretching forces (10) in the metal round the small grooves.
3 citations
19 Feb 2002
TL;DR: In this paper, the authors provide a computational evaluation of the roller burnishing process to address the permanent deformation needed to introduce a desirable residual stress state, using a series of incrementally applied pressure loadings and finite element methodology.
Abstract: The possibility of stress corrosion cracking (SCC) in regions of tensile residual stress introduced by weld deposited material has been a concern where environmental effects can reduce component life. Roller burnishing, a form of mechanical cold-working, has been considered as a means of providing for residual stress state improvements. This paper provides a computational evaluation of the roller burnishing process to address the permanent deformation needed to introduce a desirable residual stress state. The analysis uses a series of incrementally applied pressure loadings and finite element methodology to simulate the behavior of a roller burnishing tool. Various magnitudes of applied pressure loadings coupled with different size plates and boundary conditions are examined to assess the degree and depth of the residual compressive stress state after cold working. Both kinematic and isotropic hardening laws are evaluated.
1 citations
01 Jan 2002
TL;DR: In this article, the authors provide a computational evaluation of the roller burnishing process to address the permanent deformation needed to introduce a desirable residual stress state, using a series of incrementally applied pressure loadings and finite element methodology.
Abstract: The possibility of stress corrosion cracking (SCC) in regions of tensile residual stress introduced by weld deposited material has been a concern where environmental effects can reduce component life. Roller burnishing, a form of mechanical cold-working, has been considered as a means of providing for residual stress state improvements. This paper provides a computational evaluation of the roller burnishing process to address the permanent deformation needed to introduce a desirable residual stress state. The analysis uses a series of incrementally applied pressure loadings and finite element methodology to simulate the behavior of a roller burnishing tool. Various magnitudes of applied pressure loadings coupled with different size plates and boundary conditions are examined to assess the degree and depth of the residual compressive stress state after cold working. Both kinematic and isotropic hardening laws are evaluated.Copyright © 2002 by ASME
1 citations