Influence of aging steel on pipeline burst pressure prediction and its impact on failure probability estimation

被引：33
作者：
Gonzalez-Arevalo, N. E. [1 ]
Velazquez, J. C. [2 ]
Diaz-Cruz, M. [1 ]
Cervantes-Tobon, A. [1 ]
Teran, G. [2 ,3 ]
Hernandez-Sanchez, E. [4 ]
Capula-Colindres, S. [3 ,5 ]
机构：
[1] ESIQIE IPN, Dept Met & Mat, Inst Politecn Nacl S-N,UPALM Edif 7, Mexico City 07738, DF, Mexico
[2] ESIQIE IPN, Dept Ingn Quim Ind, Inst Politecn Nacl S-N,UPALM Edif 7, Mexico City 07738, DF, Mexico
[3] Inst Politecn Nacl IPN, CECyT 02, Dept Met, Mexico City 11200, DF, Mexico
[4] UPIBI, Inst Politecn Nacl, Ave Acueducto S-N Barrio Laguna Ticoman, Mexico City 07340, DF, Mexico
[5] Inst Politecn Nacl IPN, Ctr Invest Computatac CIC, Lab Microtecnol & Sistemas Embebidos MICROSE, Mexico City 07738, DF, Mexico
来源：
ENGINEERING FAILURE ANALYSIS | 2021年 / 120卷
关键词：
Pipeline steel; Artificial aging; Probability of failure; Failure pressure; Burst pressure models; PITTING CORROSION; RELIABILITY ASSESSMENT; FRACTURE-TOUGHNESS; CORRODED PIPELINES; TENSILE PROPERTIES; EXTRAPOLATION; BEHAVIOR; DEFECTS; STRESS; DEPTH;
D O I：
10.1016/j.engfailanal.2020.104950
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Pipelines are the most profitable mode of transportation for hydrocarbons. Typically, oil and gas pipelines are made of low carbon steel, whose mechanical properties change due to aging. The changes in mechanical properties can be estimated using an artificial aging process. The mechanical properties studied in this paper (yield strength, ultimate tensile strength, and hardness), have random behavior that can be represented by a generalized extreme value distribution, showing considerable changes in variance and skewness at different aging times. Taking advantage of this feature and considering these changes in the mechanical properties can significantly affect the accuracy of calculated pipeline probability of failure estimation.
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页数：26
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