Residual stresses in cold-formed tubes

Kato, Ben; Aoki, Hirofumi

doi:10.1243/03093247v134193

Cited by 31 publications

(11 citation statements)

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“…Kato and Aoki [10] investigated the residual stress distribution in cold formed circular hollow sections analytically and experimentally. Weng and White [11] and Weng and Pekoz [12] measured residual stresses in press braked plates.…”

Section: Cold Bent Sectionsmentioning

confidence: 99%

Experimental investigation of residual stresses in roller bent wide flange steel sections

Spoorenberg

Snijder

Hoenderkamp

2010

Journal of Constructional Steel Research

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Section: Cold Bent Sectionsmentioning

confidence: 99%

Experimental investigation of residual stresses in roller bent wide flange steel sections

Spoorenberg

Snijder

Hoenderkamp

2010

Journal of Constructional Steel Research

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“…Residual stresses in cold formed sections generally, have been examined by Weng and Peköz [8] and Schafer and Peköz [9]. More particularly, residual stresses in cold rolled sections have been investigated by Chen and Ross [10] and Kato and Aoki [11] and in press braked sections by Weng and White [12]. The rigour with which these stresses have been quantified for carbon steel sections from different production routes reflects their potential influence on structural performance.…”

Section: Introductionmentioning

confidence: 99%

Residual stress analysis of structural stainless steel sections

Cruise

Gardner

2008

Journal of Constructional Steel Research

153

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The magnitude and distribution of residual stresses in structural carbon steel sections have been thoroughly investigated. However, few residual stress measurements have been made on structural stainless steel sections. Stainless steel has differing material stress-strain characteristics and thermal properties to carbon steel, both of which influence the formation of residual stresses. This suggests that established carbon steel residual stress models may not be appropriate for stainless steel. With increased use of stainless steel in load bearing applications, it is important to establish the residual stresses that exist within structural members. An experimental program to quantify the residual stresses in stainless steel sections from three different production routes has therefore been carried out. Comprehensive residual stress distributions have been obtained for three hot rolled angles, eight press braked angles and seven cold rolled box sections, with a total of over 800 readings taken. This paper presents the experimental techniques implemented and the residual stress distributions obtained as well as discussing the assumptions commonly made regarding through thickness residual stress variations. In the hot rolled and press braked sections, residual stresses were typically found to be below 20% of the material 0.2% proof stress, though for the cold rolled box sections, whilst membrane residual stresses were relatively low, bending residual stresses were found to be between 40% and 70% of the material 0.2% proof stress.

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“…Tubemaking is typically comprised of the following operations: (1) decoiling, (2) leveling, (3) side trimming, (4) roll forming, (5) edge guiding and welding, (6) sizing, and (7) straightening [11]. Significant deformation occurs during the roll forming and sizing operations.…”

Section: Analysis Of Tubemakingmentioning

confidence: 99%