GB/T 26593-2011 English PDF

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GB/T 26593-2011: Non-destructive testing instruments -- Properties test method for performance of industrial X-ray computed tomography (CT) equipment
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26593-2011	399	Add to Cart	3 days	Non-destructive testing instruments -- Properties test method for performance of industrial X-ray computed tomography (CT) equipment	Valid

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Basic data

Standard ID: GB/T 26593-2011 (GB/T26593-2011)
Description (Translated English): Non-destructive testing instruments -- Properties test method for performance of industrial X-ray computed tomography (CT) equipment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N78
Classification of International Standard: 19.100
Word Count Estimation: 17,185
Date of Issue: 2011-06-16
Date of Implementation: 2011-11-01
Quoted Standard: GB/T 12604.2
Regulation (derived from): Announcement of Newly Approved National Standards No. 9 of 2011
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
Summary: This standard specifies the industrial X -ray CT apparatus (hereinafter referred to as CT apparatus) performance testing of terms, definitions, abbreviations and spatial resolution, density resolution, position the cursor accuracy, slice thickness accuracy, CT value of the standard deviation of test methods. This standard applies to industrial CT apparatus factory inspection and type testing.

GB/T 26593-2011: Non-destructive testing instruments -- Properties test method for performance of industrial X-ray computed tomography (CT) equipment

---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 instruments. Properties test method for performance of industrial X-ray computed tomography (CT) equipment ICS 19.100 N78 National Standards of People's Republic of China Nondestructive testing equipment Industrial X-ray CT device performance test methods computedtomography (CT) equipment Issued on. 2011-06-16 2011-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Definitions and Abbreviations 1 4 Test Method 2 Spatial resolution 4.1 Test 2 4.2 Test 3 density resolution 4.3 Position the cursor measurement accuracy 4 4.4 thickness measurement accuracy 4 4.5 CT value of the standard deviation measured 5 Appendix A (normative) disc standard test piece 6 Annex B (informative) algorithm flow test disc method 7 Annex C (normative) hole card type test method to test the spatial resolution 10 Annex D (normative) Test method air gap density resolution 12

Foreword

The Standard Appendix A, Appendix C, Appendix D is a normative appendix. Appendix B of this standard is an informative annex. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee tester (SAC/TC122) centralized. This standard is drafted by. Liaoning Instrument Research Institute, the Institute of Applied Electronics, China Academy of Engineering Physics, Shenzhen City, measuring Detection Technology Co., Ltd. Participated in the drafting of this standard. Dandong Huari Rigaku Denki Co., Ltd., Dandong NDT Equipment Co., Ltd., Dandong City no NDT Instrument. The main drafters of this standard. Wutai Feng, Yu Zhijun, Chen Hao, Guo Bing, Shao Defeng, Dong Diangang, Zhang. Nondestructive testing equipment Industrial X-ray CT device performance test methods

1 Scope

This standard specifies the terms of industrial X-ray CT apparatus (hereinafter referred to as CT apparatus) performance testing, definitions, abbreviations and space Resolution, density resolution, cursor positioning accuracy, layer thickness accuracy, CT value of the standard deviation test methods. This standard applies to factory inspection and type inspection of industrial CT apparatus.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 12604.2 Terminology for nondestructive testing radiographic testing

3 Definitions and Acronyms

3.1 Terms and Definitions GB/T 12604.2 and established the following terms and definitions apply to this standard. 3.1.1 Spatial resolution spatialresolution Industrial CT apparatus to identify and distinguish high contrast fine detail features the highest capacity. 3.1.2 Density resolution densityresolution Industrial CT apparatus differentiate density contrast material characteristic change of the highest ability. 3.1.3 Artifact artifact And the structure and physical properties of the specimen-independent image features appearing in the CT image. 3.1.4 Standard test piece phantom Industrial CT apparatus for determining the spatial resolution and density resolution and other performance indicators of the specimen. 3.1.5 Modulation Transfer Function modulationtransferfunction The relationship between the spatial frequency modulation with the image of the system. It is numerically equal to the line spread function of the one-dimensional Fourier transform. 3.1.6 Reconstruction reconstruction Ray projection data after passing through the specimen into a specimen representative of the attenuation characteristics of the distribution of cross-sectional images of the calculation process. 3.1.7 Pixel pixel CT images constitute a basic unit. 3.1.8 Slice thickness slicethickness The thickness ray CT image corresponding to the object is being cut. ......

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