Fundamental finite element evaluation of a three dimensional rolled thread form: Modelling and experimental results

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Description

This paper presents an evaluation of residual stresses generated by a cold rolled thread forming process. Major factors associated with the forming process which affect the residual stress state and are addressed include: stress-strain relations, effects of friction and contact on plastic deformation, and the influence of manufacturing parameters. MARC finite element software is used to determine the stresses and deformation that occur in a multipass cold rolled flat plate with a modified ACME thread form. Variations in friction, contact, and manufacturing parameters are assessed based on relative comparison of results. Stress results for selected parameters are compared to experimentally ... continued below

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14 p.

Creation Information

Martin, J.A. July 1, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 17 times . More information about this article can be viewed below.

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  • Martin, J.A. Lockheed Martin Corp., Schenectady, NY (United States)

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  • Knolls Atomic Power Laboratory
    Publisher Info: Knolls Atomic Power Lab., Schenectady, NY (United States)
    Place of Publication: Schenectady, New York

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Description

This paper presents an evaluation of residual stresses generated by a cold rolled thread forming process. Major factors associated with the forming process which affect the residual stress state and are addressed include: stress-strain relations, effects of friction and contact on plastic deformation, and the influence of manufacturing parameters. MARC finite element software is used to determine the stresses and deformation that occur in a multipass cold rolled flat plate with a modified ACME thread form. Variations in friction, contact, and manufacturing parameters are assessed based on relative comparison of results. Stress results for selected parameters are compared to experimentally measured data generated using X-ray diffraction and hole drilling techniques.

Physical Description

14 p.

Notes

OSTI as DE99001455

Source

  • 1998 ASME/JSME joint pressure vessel and piping (PVP) conference, San Diego, CA (United States), 26-30 Jul 1998

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  • Other: DE99001455
  • Report No.: KAPL-P--000058
  • Report No.: K--98003;CONF-980708--
  • Grant Number: AC12-76SN00052
  • Office of Scientific & Technical Information Report Number: 304177
  • Archival Resource Key: ark:/67531/metadc683813

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • July 1, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • May 18, 2016, 2:37 p.m.

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Martin, J.A. Fundamental finite element evaluation of a three dimensional rolled thread form: Modelling and experimental results, article, July 1, 1998; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc683813/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.