Role of the Machining Residual Stresses on the Sulfide Stress Cracking Resistance of Carbon Steel Evaluated According to NACE TM0177 Method A
Роль остаточных напряжений, возникающих при механической обработке, в сопротивляемости углеродистой стали сернистому расстрескиванию при испытании по NACE TM0177 метод A
2012-06-05
SCID: 54.1/3d6u23un
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NACE TM0177 method ASSC resistancecarbon steelmachining residual stressessulfide stress cracking
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Abstract (AI)
The goal of the study was to evaluate the effect of the machining conditions on the sulfide stress cracking (SSC) resistance of carbon steel. The paper presents the results obtained on two different carbon steel grades machined in conditions generating different surface residual stresses and correlates the stress state with the SSC resistance determined according to NACE TM0177 method A.
Key Findings
1
A correlation was found between the surface residual stress state from machining and the measured SSC resistance.
2
Machining conditions that generate different surface residual stresses affect the sulfide stress cracking (SSC) resistance of carbon steel.
3
The study evaluated SSC resistance using NACE TM0177 method A for two different carbon steel grades.
Research Object
Carbon steel specimens of two grades machined to produce different surface residual stress states
Research Subject
Effect of machining-induced surface residual stresses on sulfide stress cracking (SSC) resistance measured by NACE TM0177 Method A
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