NF EN ISO 179 : 1997

Superseded

Superseded date

08-01-1999

Published date

01-12-2013

Publisher

Association Francaise de Normalisation

Method
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Apparatus
6 Test specimens
7 Procedure
8 Calculation and expression of results
9 Precision
10 Test report
Annex
A (informative) Additional methods for testing the
     influence of surface effects
Tables
1 Characteristics of pendulum impact testing machines
2 Specimen types, dimensions and span
3 Method designations, specimen types, notch types
     and notch dimensions - materials not exhibiting
     interlaminar shear fracture
4 Method designations, specimen types, notch types
     and notch dimensions - materials exhibiting
     interlaminar shear fracture
A.1 Parameters for tests on double-notched specimens
Figures
1 Striking edge and support blocks for type 1 test
     specimens
2 Charpy edgewise impact (e), with single notched
     specimen
3 Charpy flatwise impact (f)
4 Notch types
5 Scheme of designations describing the direction of
     blow
A.1 Charpy flatwise impact (f) with double-notched
     specimen

Specifies a method for determining the Charpy impact strength of plastics under defined conditions. Investigates the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions. Not normally suitable for use with rigid cellular material and sandwich structures containing cellular material. Coverage includes definitions, apparatus, precision and procedure. Also gives detailed tables and diagrams.

DevelopmentNote	Replaces NFT 51-035
DocumentType	Standard
PublisherName	Association Francaise de Normalisation
Status	Superseded
Supersedes	NFT 51 035 : 1983

Standards	Relationship
BS EN ISO 179:1997	Identical
DIN EN ISO 179:1997-03	Identical
I.S. EN ISO 179:1997	Identical
EN ISO 179 : 1996	Identical
UNI EN ISO 179 : 1998	Identical
ISO 179:1993	Identical

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