Draft
International Standard
ISO/DIS 32543-2
Non-destructive testing — Characteristics of focal spots in industrial X-ray systems — Part 2: Edge method with hole type gauges
Reference number
ISO/DIS 32543-2
Edition 1
Проект Международный стандарт
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ISO/DIS 32543-2
89282
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ISO/DIS 32543-2

ISO/DIS 32543-2
89282
Язык
Формат
CHF 63
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Тезис

This European standard specifies a method for the measurement of effective focal spot dimensions above 0,1 µm of X-ray systems by means of the edge method applied to digital images taken from hole type or disk type gauges. The imaging quality and the resolution of X-ray images depend highly on the characteristics of the effective focal spot, in particular the size and the two-dimensional intensity distribution as seen from the detector plane. This document provides instructions for determining the effective size (dimensions) of standard, mini and micro focal spots of industrial X-ray tubes for users in applications where the pin hole method of EN12543-2 is not practicable. This determination is based on the measurement of a profile of an image of a hole or disk type gauge. The method as described in this document can be used for long term monitoring of focal spot sizes without a pin hole camera. The accuracy of this method is lower than the one of ISO 32543-1 (EN 12543-2), ISO/NP 32543-3 (EN 12543-5) and ISO/NP 32543-4 (future EN 12543-6), using ASTM hole plate IQIs (ASTM E 1025, E 1742), due to its manufacturer tolerance of 10%.

Общая информация

  •  : В стадии разработки

    You can help develop this draft international standard by contacting your national member

    : Начало голосования по проекту между-народно-го стандарта: 3 мес. [40.20]
  •  : 1
  • ISO/TC 135/SC 5
    19.100 
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