GB/T 35388-2017Non-destructive testing—X-ray digital radiography—Practice (English PDF)

1 Scope

This standard specifies the application of digital detector array X-ray digital imaging detection requirements, technical level, detection methods, image quality

Volume, image evaluation, image management, post-processing detection, recording and reporting.

This standard applies to metal materials, non-metallic materials, composite materials and other products of X-ray digital imaging detection. Other ray sources form

Digital imaging detection technology, can refer to use.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 12604.11 Terminology for non-destructive testing X-ray digital imaging test

GB/T 23901.1 Nondestructive testing radiographic film quality - Part 1. Determination of line image quality meter image quality index

GB/T 23901.2 Nondestructive testing radiographic film quality - Part 2 Determination of image quality index of stepped hole type image quality meter

GB/T 23901.5 Non-destructive testing Radiographic film quality - Part 5. Determination of unsharpness of bilinear image quality meter

GB/T 30821 NDT digital image processing and communication

GB/T 35389 Nondestructive testing X - ray digital imaging detection guidelines

Nondestructive testing X - ray digital imaging detection system characteristics

3 Terms and definitions

GB/T 12604.11 defined terms and definitions apply to this document.

4 symbol

The symbols used in this standard are shown in Table 1.

Table 1 symbols and instructions

Symbol Description b Object surface to detector imaging plane distance d focus size

F focal distance to the detector imaging plane, in units of mm f focus to be seized object surface distance in mm

GVmin minimum allowable gray level

K transillumination thickness ratio […]