NF A91-117

NF A91-117

November 1976
Standard Cancelled

Metallic and other non-organic coatings. Measurement of coating thickness. Fizeau multiple-beam interferometry method.

Main informations

Collections

National standards and national normative documents

Publication date

November 1976

Number of pages

6 p.

Reference

NF A91-117

ICS Codes

25.220.40   Metallic coatings

Classification index

A91-117

Print number

1

International kinship

ISO 3868:1976
Standard replaced by (1)
NF EN ISO 3868
April 1995
Standard Current
Metallic and other non-organic coatings. Measurement of coating thicknesses. Fizeau multiple-beam interferometry method.

Specifies a method for the measurement of the thickness of thin, highly reflective coatings (up to 2 ) by the use of Fizeau muliple-beam interferometry. The method described cannot be applied to vitreous enamel coatings. Gives principle, definitions, equipment, factors affecting in the measuring accuracy, calibration, procedure and measuring precision.

Table of contents
  • 1. OBJET ET DOMAINE D'APPLICATION
    2
  • 2. PRINCIPE
    2
  • 3. DÉFINITIONS
    2
  • 4. MATÉRIEL
    3
  • 5. FACTEURS INFLUENÇANT LA PRÉCISION DE MESURE
    3
  • 5.1 COUCHE SUPERFICIELLE RÉFLÉCHISSANTE
    3
  • 5.2 FORME DE GRADIN
    3
  • 5.3 PRÉCISION DE LECTURE
    4
  • 5.4 PLANÉITÉ DE LA SURFACE
    4
  • 5.5 DÉFINITION DU GRADIN
    4
  • 5.6 RUGOSITÉ
    4
  • 5.7 PROPRETÉ
    4
  • 5.8 PRÉPARATION DU GRADIN
    4
  • 6. ÉTALONNAGE
    5
  • 7. MODE OPÉRATOIRE
    5
  • 7.1 PRÉPARATION DU GRADIN
    5
  • 7.2 MODE OPÉRATOIRE
    5
  • 8. PRÉCISION DE MESURE
    6
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