Structural Suitability Analysis of Metals and Alloys: Communication 2

Meshkov, Yu. Ya.; Shiyan, A. V.

doi:10.3103/s0967091220030079

Steel Transl.

2020

DOI: 10.3103/s0967091220030079

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Structural Suitability Analysis of Metals and Alloys: Communication 2

Yu. Ya. Meshkov

A. V. Shiyan

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2021

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Cold Brittleness of Steels under Stress Concentration (Report 1)

Meshkov¹,

Soroka²

2021

Metallofiz. Noveishie Tekhnol.

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steel on the critical temperature of brittleness T c for specimens with an annular notch in tension or pre-cracked specimens in three-point bending are considered. As shown, the excessive (supercritical) low-temperature hardening of steel, unbalanced with the required margin of its toughness, when real strength of the steel, σ 0.2 , exceeds critical strength for a given type of SR, σ 0.2c , is the reason for brittleness of specimens with SR. Physical essence of the quantity σ 0.2c is explained in terms of specific characteristics of the steel resistance to break, B r , reflecting its margin of toughness. Recommendations are formulated for optimising a set of mechanical properties for products such as fastening bolts with SR in the form of a screw thread, to prevent their cold brittleness during low-temperature operation.

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Cold Brittleness of Steels under Stress Concentration (Report 1)

Meshkov¹,

Soroka²

2021

Metallofiz. Noveishie Tekhnol.

View full text Add to dashboard Cite

show abstract

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Structural Suitability Analysis of Metals and Alloys: Communication 2

Cited by 1 publication

References 12 publications

Cold Brittleness of Steels under Stress Concentration (Report 1)

Cold Brittleness of Steels under Stress Concentration (Report 1)

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