Texture and yield stress of pre-strained 304L stainless steel

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Description

The evolution of texture and yield stress in 304L stainless steel is investigated as a function of deformation to large plastic strains. Steel bars quasi-statically upset forged at a strain rate of 0.001 s{sup {minus}1} to true strains of 0, 0.5, 1.0 and 1.8 were found to acquire their texture ({approximately}3.0 m.r.d.) in the first 0.5 strain with (110) poles highly aligned parallel to the compression direction independent of whether the pre-forged starting material was in a cold worked or annealed (1,050 C for 1 hour) condition. The same bars, when strained at room temperature show an incremental yield with ... continued below

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5 p.

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Bennett, K.; Dreele, R.B. von; Gray, G.T. III & Chen, S.R. August 1, 1998.

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Description

The evolution of texture and yield stress in 304L stainless steel is investigated as a function of deformation to large plastic strains. Steel bars quasi-statically upset forged at a strain rate of 0.001 s{sup {minus}1} to true strains of 0, 0.5, 1.0 and 1.8 were found to acquire their texture ({approximately}3.0 m.r.d.) in the first 0.5 strain with (110) poles highly aligned parallel to the compression direction independent of whether the pre-forged starting material was in a cold worked or annealed (1,050 C for 1 hour) condition. The same bars, when strained at room temperature show an incremental yield with pre-strain regardless of strain rate (10{sup {minus}1} or 10{sup {minus}3}s{sup {minus}1}) or thermal history, though annealed bars yield at slightly lower stresses. At 77 K and strain rate 10{sup {minus}3}s{sup {minus}1}, the annealed 304L exhibits more pronounced strain-hardening behavior than the 304L forged in a cold-worked condition.

Physical Description

5 p.

Notes

OSTI as DE98003708

Source

  • Neutron texture and stress and analysis conference, Dubna (Russian Federation), 23-26 Jun 1997

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  • Other: DE98003708
  • Report No.: LA-UR--98-686
  • Report No.: CONF-9706260--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/638212 | External Link
  • Office of Scientific & Technical Information Report Number: 638212
  • Archival Resource Key: ark:/67531/metadc693154

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  • August 1, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 26, 2016, 6:42 p.m.

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Bennett, K.; Dreele, R.B. von; Gray, G.T. III & Chen, S.R. Texture and yield stress of pre-strained 304L stainless steel, report, August 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc693154/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.