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GB/T 31768.2-2015: Non-destructive testing -- Infrared flash thermography -- Part 2: Practice
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31768.2-2015 | English | 489 |
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Non-destructive testing -- Infrared flash thermography -- Part 2: Practice
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GB/T 31768.2-2015
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Basic data | Standard ID | GB/T 31768.2-2015 (GB/T31768.2-2015) | | Description (Translated English) | Non-destructive testing -- Infrared flash thermography -- Part 2: Practice | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 19.100 | | Word Count Estimation | 23,244 | | Date of Issue | 2015-06-02 | | Date of Implementation | 2016-03-01 | | Regulation (derived from) | National Standard Announcement 2015 No.19 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 31768.2-2015: Non-destructive testing -- Infrared flash thermography -- Part 2: Practice---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Non-destructive testing - Infrared flash thermography - Part 2. Practice
ICS 19.100
J04
National Standards of People's Republic of China
NDT flash incentive Thermal imaging
Part 2. Test Specification
Issued on. 2015-06-02
2016-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 31768 "NDT flash incentive Thermal imaging" is divided into the following sections.
--- Part 1. Guidelines;
--- Part 2. Test specification;
--- Part 3. Reference test blocks;
--- Part 4. detection system.
This section GB/T Part of 231,768.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part of the National NDT Standardization Technical Committee (SAC/TC56) and focal points.
This section is drafted. Beijing Wei Taikai letter New Technology Co., Capital Normal University, China Aviation Industry Corporation Beijing Airlines
Materials Research Institute, aerospace materials and Technology Research Institute, China Special Equipment Inspection and Research Institute, China Civil Aviation Administration of Aviation Safety Technology Center.
The main drafters of this section. Tao Ning, Li Xiaoli, Liu Yingtao, Wu Chung, Jin Wanping, Yu Yue, Li Chunguang, Zhang Cun-lin, Guo Guangping.
NDT flash incentive Thermal imaging
Part 2. Test Specification
1 Scope
GB/T 31768 in this section specifies the general requirements for the use of flash incentive Thermal imaging nondestructive testing, compliance testing process
Cheng, data processing, test reports.
This section applies to material and detecting surface and near surface structure defects.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 9445 NDT personnel qualification and certification
GB/T 12604.9 Terminology for nondestructive testing infrared detector
GB/T 20737 Non-destructive testing - General terms and definitions
GB/T 26643 NDT flash incentive Thermal imaging guidance
GB/T 31768.4 NDT flash incentive Thermal imaging - Part 4. Detection System
3 Terms and Definitions
GB/T 12604.9, GB/T 20737 and GB/T 26643 and defined by the following terms and definitions apply to this document.
3.1
Discrete defects discretedefect
Defect size is less than the detection range of a single defect.
3.2
Consecutive defect extendeddefect
Defect size is equal to or greater than a single defect detection range.
3.3
Regenerative coefficient thermaleffusivity
The ability to characterize the material of heat exchange with the outside world, commonly used e represents. defined as.
e = κρC
Where.
κ --- thermal conductivity in watts per meter Kelvin (W · m-1 · K-1);
ρ --- density, in kilograms per cubic meter (kg · m-3);
C --- specific heat capacity per unit per kilogram Kelvin (J · kg-1 · K-1) for the Joule.
4 General requirements
4.1 staff
4.1.1 meet GB/T relevant provisions of the 9445's.
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