Difference between revisions of "Gamma radiography"

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(Created page with "== Description == A radiographic technique for the nondestructive examination of cultural heritage artefacts (mainly metal or stone statues). The radiation source is a sealed...")
 
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== Description ==
 
== Description ==
  
A radiographic technique for the nondestructive examination of cultural heritage artefacts (mainly metal or stone statues). The radiation source is a sealed radioactive source (iridium 192 or cobalt 60) set in a gamma radiography projector. The gamma rays will penetrate different composition/density materials to varying degrees. The resulting variations of transmission of these radiations are recorded by a detector, generaly a radiographic film, thus characterizing the internal compositional structure of an object. object The resulting gamma radiograph shows the differential absorption pattern, useful for examining an object internal structure : homogeneity of the constitutive material, voids, cracks, inserts, mechanical assembly processes, previous restoration or modification...
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A radiographic technique for the nondestructive examination of cultural heritage artefacts (mainly metal or stone statues). The radiation source is a sealed radioactive source (iridium 192 or cobalt 60) set in a gamma radiography projector. The gamma rays will penetrate different composition/density materials to varying degrees. The resulting variations of transmission of these radiations are recorded by a detector, generaly a radiographic film. The resulting gamma radiograph shows the differential absorption pattern, useful for examining an object internal structure : homogeneity of the constitutive material, voids, cracks, inserts, mechanical assembly processes, previous restoration or modification...
  
 
== Synonyms and related terms ==
 
== Synonyms and related terms ==
  
 
Radiographie gamma, gammagraphie (Fr.);
 
Radiographie gamma, gammagraphie (Fr.);

Revision as of 17:31, 20 August 2013

Description

A radiographic technique for the nondestructive examination of cultural heritage artefacts (mainly metal or stone statues). The radiation source is a sealed radioactive source (iridium 192 or cobalt 60) set in a gamma radiography projector. The gamma rays will penetrate different composition/density materials to varying degrees. The resulting variations of transmission of these radiations are recorded by a detector, generaly a radiographic film. The resulting gamma radiograph shows the differential absorption pattern, useful for examining an object internal structure : homogeneity of the constitutive material, voids, cracks, inserts, mechanical assembly processes, previous restoration or modification...

Synonyms and related terms

Radiographie gamma, gammagraphie (Fr.);