GB/T 26168.4-2018Electrical insulating materials -- Determination of the effects of ionizing radiation -- Part 4: Procedures for assessment of ageing in service (English PDF)
电气绝缘材料 确定电离辐射的影响 第4部分：运行中老化的评定程序
This is a limited preview
Buy now to download the full PDF (30 pages)
Need quotation for your management?
Get a formal quotation for GB/T 26168.4-2018 in 30 minutes.
Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
June 7, 2018
Implementation date
January 1, 2019
Scope
GB/T 26168.4-2018 is the English-translated version of 电气绝缘材料 确定电离辐射的影响 第4部分：运行中老化的评定程序.
GB/T 26168.4-2018 is the Chinese standard "Electrical insulating materials -- Determination of the effects of ionizing radiation -- Part 4: Procedures for assessment of ageing in service".
Its scope clause reads: This part of GB/T 26168 specifies the operational life assessment method for components consisting of polymeric materials used in radiation environments, such as Cable insulation and sheathing, elastomeric sealing sleeves, polymer coatings and rubber sleeves.
This section applies to methods for assessing aging during operation, including ageing assessment procedures based on condition monitoring, and sample retention in harsh environments.
The use of the sample and the preparation of the actual aged sample. Its clauses include abbreviations.
Found what you need?
Document preview — GB/T 26168.4-2018
National Standard of the People's Republic of China
- ICS
- 29.035.20
- Classification
- K 15
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Abbreviations
- 4 Background information
- 5 aging assessment method
- 6 Identify the components of interest
- 7 Condition Monitoring Technology
- 8 Forecast Model
- 9 sample
- Appendix A (informative) Example of condition monitoring (CM) correlation curve
- Appendix B (informative) Use of the sample retention device
1 Scope
This part of GB/T 26168 specifies the operational life assessment method for components consisting of polymeric materials used in radiation environments, such as
Cable insulation and sheathing, elastomeric sealing sleeves, polymer coatings and rubber sleeves.
This section applies to methods for assessing aging during operation, including ageing assessment procedures based on condition monitoring, and sample retention in harsh environments.
The use of the sample and the preparation of the actual aged sample.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
IEC 60544-1 Electrical insulating materials - Determination of effects of ionizing radiation - Part 1. Radiation interactions and dosimetry (Electrical insulatingmaterials-Determinationoftheeffectsofionizingradiation-Part 1.Radiationinteraction
Anddosimetry)
Electrical insulating materials - Determination of effects of ionizing radiation - Part 2. Irradiation and test procedures (Electricalinsu- latingmaterials-Determinationoftheeffectsofionizingradiation-Part 2.Proceduresforirradiation
Andtest)
IEC 60780 nuclear power plant safety system electrical equipment quality identification (Nuclearpowerplants-Electricalequip- mentofthesafetysystem-Qualification)
IEC /T S61244-1 Long-term radiation aging of polymers - Part 1. Monitoring techniques for diffusion-limited oxidation (Determination of long-termradiationageinginpolymers-Part 1.Techniquesformonitoringdiffusion-limitedoxida-
Tion)
IEC /T S61244-2 Long-term radiation aging of polymers - Part 2. Procedures for predicting aging at low dose rates (Determination oflong-termradiationageinginpolymers-Part 2.Proceduresforpredictingageingatlowdoserates)
3 Abbreviations
The following abbreviations apply to this document (from IEC 60780).
BWR. boiling water reactor (boilingwaterreactor)
CBQ. condition basedqualification
CM. condition monitoring (conditionmonitoring)
CSPE. chlorosulphonated polyethylene
DBE. Design Benchmark Event (designbasisevent)
DLO. diffusion limited oxidation (diffusionlimited oxidation)
DRE. dose rate effect (doserateeffect)
DSC. Differential Scanning Calorimeter (differential scanning calorimeter)
GB/T 20632.2 | GB/T 20632.3 | GB/T 31034 | GB/T 26168.2 | GB/T 26168.1 | GB/T 26169 | […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.
Referenced standards
Normative references
IEC 60544 · IEC 60780
How to Download GB/T 26168.4-2018
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 26168.3-2010 — Electrical insulating materials -- Determination of the effects of ionizing radiation -- Part 3: Classification system for service in radiation environments
GB/T 26168.2-2018 — Electrical insulating materials -- Determination of the effects of ionizing radiation -- Part 2: Procedures for irradiation and test
GB/T 26168.1-2018 — Electrical insulating materials -- Determination of the effects of ionizing radiation -- Part 1: Radiation interaction and dosimetry
Secure payment via Stripe
Payments accepted
GB/T 26168.4-2018
$235.00