GB/T 31362-2015 Active National standards

GB/T 31362-2015 Non-destructive testing—Thermal neutron radiographic testing—Determination of beam L/D ratio

Publish Date: 2015-02-04 Implement Date: 2015-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31362-2015

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Non-destructive testing

Publish Date: 2015-02-04

Implement Date: 2015-10-01

Pages: 12 pages

Scope

This standard specifies the test technique for determining the collimation ratio of the neutron beam in thermal neutron radiography (with an L/D value between 20 and 1000). This technique is based on analyzing the imaging quality of neutron radiography using a zero-shutter device, without the need to measure and calculate the physical dimensions of the collimator system. All the devices used in this standard have been tested using a Gd foil conversion screen and high-resolution single-sided film placed in a vacuum dark box.