Effect of plasma cutting on the fatigue and cracking resistance of steel

Prokopenko, A. V.; Gruzdeva, E. V.; Klyuchnikov, Yu. V.; Khil’chevskii, V. V.

doi:10.1007/bf00769119

Strength Mater

1990

DOI: 10.1007/bf00769119

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Effect of plasma cutting on the fatigue and cracking resistance of steel

A. V. Prokopenko

E. V. Gruzdeva

Yu. V. Klyuchnikov

et al.

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“…Most previous investigations of plasma cutting in bridge steel have been limited to work on plate edges (2)(3)(4). Studies have shown the fatigue resistance of plasma-cut edges is no worse than machined or rolled edges and depends heavily on surface roughness.…”

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confidence: 99%

Evaluation of Bolt Holes Fabricated by Using Plasma Arc Cutting

Beckett

Ocel

2016

Transportation Research Record

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Modern technologies for plasma cutting have the potential to produce bolt holes that perform on a par with those made by currently accepted methods and at the same time to reduce fabrication costs related to steel bridge construction. Current specifications do not allow holes in primary members to be formed by using plasma cutting. A lack of data showing how plasma-cut holes perform under fatigue and tensile loading inhibits their use in secondary members as well. This paper presents findings from an ongoing investigation into the structural performance of steel members with plasma-cut bolt holes. Specimens include members with a single plasma-cut hole and connection members. Material with plasma-cut holes was procured from four fabricators throughout various industries. Results from approximately 170 fatigue tests and 34 tensile tests are presented. Data from the fatigue tests show that under certain conditions, plasma-cut bolt holes perform comparably to drilled and punched holes. Results from tensile testing are mixed, with 29 of 34 tests exhibiting brittle failure, and most test specimens exceeding the tensile strength of the material. Geometric properties of the plasma-cut holes were measured as well and did not meet current specifications.

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confidence: 99%

Evaluation of Bolt Holes Fabricated by Using Plasma Arc Cutting

Beckett

Ocel

2016

Transportation Research Record

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Optimising plasma cut-edge properties for improving the durability of bridge structures

Thomas

2011

Int J Steel Struct

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Effect of Plasma Cutting on the Fatigue Resistance of Fe510 D1 Steel

Chiarelli

Lanciotti

Sacchi³

1999

Journal of Engineering Materials and Technology

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The paper describes the results of a research programme, carried out at the Department of Aerospace Engineering of the University of Pisa, for the assessment of the influence of plasma cutting on the physical and mechanical properties of Fe510 D1, a low carbon steel widely used in carpentry. The activity started by observing that several industries rework plasma cut edges, particularly in the case of fatigue structures, in spite of the good quality of the plasma cut edges in a fully automatic process. Obviously, reworking is very expensive and time-consuming. Comparative fatigue tests demonstrated that the fatigue resistance of plasma cut specimens in Fe510 steel was fully comparable to that of milled specimens, as the consequence of the beneficial residual stresses which formed in the plasma cut edges. [S0094-4289(00)02201-5]

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Effect of plasma cutting on the fatigue and cracking resistance of steel

Cited by 3 publications

References 0 publications

Evaluation of Bolt Holes Fabricated by Using Plasma Arc Cutting

Evaluation of Bolt Holes Fabricated by Using Plasma Arc Cutting

Optimising plasma cut-edge properties for improving the durability of bridge structures

Effect of Plasma Cutting on the Fatigue Resistance of Fe510 D1 Steel

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