| [1] | IAEA International Atomic Energy Agency (2020) Safety Reports Series No. 82 Ageing Management for Nuclear Power Plants: International Generic Ageing Lessons Learned IGALL.
http://www.iaea.org/publications/13475/ageing-management-for-nuclear-power-plants-international-generic-ageing-lessons-learned-igal /dx.doi.org/10.1080/028418501127346846
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| [2] | IAEA International Atomic Energy Agency (2011) Procedures for Lifetime Assessment of Components and Piping in VVER, NPP, Verlife.
https://inis.iaea.org/search/search.aspx?orig_q=RN:43130377
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| [3] | Georgiev, M. (2005) Crack Resistance of Metals under Static Load, Bulvest 2000, Sofia.
https://knizhen-pazar.net/products/books/3859165-puknatoustoychivost-na-metalite-pri-statichno-natovarvane
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| [4] | IAEA International Atomic Energy Agency (1999) IAEA-TECDOC-1119 Assessment and Management of Ageing of Major Nuclear Power Plant Components Important to Safety: PWR Vessel Internals.
http://www-pub.iaea.org/mtcd/publications/pdf/te_1119_prn.pdf/
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| [5] | ASME Code, Section III (2023) BPVC Section III-Rules for Construction of Nuclear Facility Components—Subsection NCA—General Requirement for Divisions 1, 2. The American Society of Mechanical Engineering.
https://www.asme.org/codes-standards/find-codes-standards/bpvc-section-iii-subsection-nca-general-requirements-div-1-div-2/2023/print-book
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| [6] | RCC-M Code and Subsection, G. (2022) Equipment Reactor Internals, Afcen, France.
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| [7] | PN AE G 7-002-86 (1987) Rules of Equipment and Pipelines Strength Calculation of Nuclear Power Plants USSR, State Committee for Supervision Over Safe Work Practices in the Nuclear Power Industry.
http://docs.secnrs.ru/documents/pnaes/%D0%9F%D0%9D%D0%90%D0%AD_%D0%93-7-002-86/%D0%9F%D0%9D%D0%90%D0%AD-%D0%93-002-86e.htm
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| [8] | https://pris.iaea.org/pris/home.aspx
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| [9] | FNP-105-18 (2018) Rules for Inspection of Metal, Equipment and Pipelines of Nuclear Power Plants during Manufacture and Installation.
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| [10] | Eighth National Report of Republic of Bulgaria on the Fulfilment of the Obligations under the Convention on Nuclear Safety (2019) Nuclear Regulatory Agency, Sofia.
https://www.bnra.bg/media/2021/06/8-.pdf
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| [11] | BDS EN 10228-3 (2016) Non-Destructive Testing of Steel Forgings—Part 3: Ultrasonic Testing of Ferritic or Martensitic Steel Forgings.
https://bds-bg.org/en/project/show/bds:proj:88457
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| [12] | BDS EN 10228-4 (2016) Non-Destructive Testing of Steel Forgings—Part 4: Ultrasonic Testing of Austenitic and Austenitic-Ferritic Stainless Steel Forgings.
http://bds-bg.org/en/project/show/bds:proj:88458
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| [13] | BDS EN ISO 17640 (2019) Non-Destructive Testing of Welded Joints. Ultrasonic Testing. Technologies, Test Level and Evaluation.
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| [14] | BDS EN ISO 16823 (2014) Non-Destructive Testing of Welded Joints. Ultrasonic Testing. Transmittance Technology.
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| [15] | GOST R.50.05.02 (2019) Conformity Assessment System in the Field of Atomic Energy use. Conformity Assessment in the Form of Control. Ultrasonic Testing of Welded Joints and Weld Coatings.
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| [16] | GOST R.50.05.04 (2018) Conformity Assessment System in the Field of Atomic Energy Use. Conformity Assessment in the Form of Control. Ultrasonic Testing of Austenitic Steel Welds.
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| [17] | Weibull distribution.
http://www.sciencedirect.com/topics/physics-and-astronomy/weibull-distribution
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