I.S. EN ISO 179:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PLASTICS - DETERMINATION OF CHARPY IMPACT STRENGTH
10-09-1999
12-01-2013
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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
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