Oluschinski: Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schlagzugversuch}} {{PSM_Infobox}} Tensile impact test, conventional FORCETOC ==General== The aim of the conventional tensile-impact test in accordance with ISO 8256 “Plastics – Determination of impact-tensile toughness” is to investigate the behaviour of test specimens at a relatively high impact velocity and to assess the toughness or brittlenes..."

2026-09-07T09:08:18Z

Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schlagzugversuch}} {{PSM_Infobox}} Tensile impact test, conventional __FORCETOC__ ==General== The aim of the conventional tensile-impact test in accordance with ISO 8256 “Plastics – Determination of impact-tensile toughness” is to investigate the behaviour of test specimens at a relatively high impact velocity and to assess the toughness or brittlenes..."

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{{Language_sel|LANG=ger|ARTIKEL=Schlagzugversuch}}
{{PSM_Infobox}}
Tensile impact test, conventional
__FORCETOC__

==General==

The aim of the conventional tensile-impact test in accordance with ISO 8256 “Plastics – Determination of impact-tensile toughness” is to investigate the behaviour of [[Specimen|test specimens]] at a relatively high impact velocity and to assess the [[Toughness|toughness]] or brittleness of [[Film Testing|films]] and [[Elastomers|elastomers]] [1].

==Validity of the tensile-impact test==

In principle, the tensile-impact test (using unnotched [[Specimen|specimens]]) is particularly suitable for investigating those [[Material & Werkstoff|materials]] for which [[Impact Test|impact tests]] and [[Notched Impact Test|notched impact tests]] according to [[Charpy, Georges|Charpy]] ([[Bend Test#The three-point bending test method|three-point bending]]) are unsuitable due to the nature of the specimens (thickness, flexibility). Very thin test specimens, e.g. those made from films, or very flexible test specimens ([[Elastomers|elastomeric materials]]), can therefore be subjected to impact loading, thereby allowing their toughness properties to be assessed under sudden loading conditions (see: [[Impact Loading Plastics|impact loading plastics]]).

In the [[Testing|test]], the tensile-impact test is carried out at a relatively high deformation velocity (see also: [[Test Speed|test speed]]). The method is suitable for [[Specimen|test specimens]] produced from [[Moulding Compound|moulding compounds]], semi-finished products or moulded parts, and is used for production and quality control. The conventional tensile-impact test also makes it possible to determine the mechanical [[Anisotropy|anisotropic behaviour]] by taking test specimens from test plates or [[Plastic Component|components]] in different directions and testing them.

==Procedure for this method==

Pendulum impact test machines are used to carry out such experiments (see: [[Impact Loading Pendulum Impact Tester|impact loading pendulum impact tester]]), which are fitted with the additional equipment required for tensile-impact tests, such as special pendulum hammers and clamping devices (e.g. the Resil Impactor from Ceast (Italy)).

[[File:RTEmagicC_resil_impactor.jpg.jpg]]
{|
|- valign="top"
|width="50px"|'''Fig.''':
|width="600px" |Resil Impactor pendulum impact tester manufactured by Ceast (Italy) for carrying out impact and [[Notched Tensile Impact Test|notched tensile impact test]]s
|}

The dimensions of the [[Specimen|test specimens]] used to determine impact-tensile toughness are: length ''L'' = 80 mm and width ''W'' = 10 mm. The [[Specimen|test specimens]] used to determine impact-tensile toughness are shoulder bars with a length of ''L'' = 80 mm, a measured length ''l''0 = 30 mm, a web width of 10 mm and a shoulder width of 15 mm.

To carry out tensile-impact tests, the [[Specimen|test specimens]] are secured within the testing apparatus using a fixed clamping device on one side and a crosshead clamp on the other. After the pendulum hammer is released from its initial position, the [[Specimen|test specimens]] are loaded in the longitudinal direction until [[Fracture|fracture]] occurs.

==Specification of material values==

The results of the experiment are used to determine the impact energy ''E''c, and subsequently the conventional tensile-impact toughness ''a''tU is calculated:

{|
|-
|width="20px"|
|width="500px" | <math>a_{tU}\,=\,\frac{E_c}{b\cdot h}</math>
|}

A comprehensive review of the literature on the conventional tensile-impact strength ''a''tN for numerous [[Plastics|plastics]] is provided in [2].

==See also==

* [[Impact Loading Plastics|Impact loading plastics]]
* [[Impact Loading Pendulum Impact Tester|Impact loading pendulum impact tester]]
* [[High-speed Tensile Test|High-speed tensile test]]
* [[Instrumented Tensile Impact Test (ITIT)|Instrumented tensile-impact test]]
* [[Instrumented Tensile Impact Test (ITIT), Examples|Instrumented tensile-impact test, examples]]

==References==

{|
|-valign="top"
|[1]
|ISO 8256 (2023-11): Plastics – Determination of Tensile-impact Strength
|-valign="top"
|[2]
|[[Reincke,_Katrin|Reincke, K.]], [[Grellmann,_Wolfgang|Grellmann, W.]]: Tensile-impact toughness. In: [https://www.researchgate.net/profile/Wolfgang-Grellmann Grellmann, W.], [[Seidler,_Sabine|Seidler, S.]]: Mechanical and Thermomechanical Properties of Polymers. Landolt-Börnstein. Volume VIII/6A3, Springer, Berlin (2014) pp. 236–240, (ISBN 978-3-642-55165-9; see [[AMK-Library]] under A 16)
|}

==Weblinks==

* Wikipedia – The Free Encyclopedia: [https://de.wikipedia.org/wiki/Schlagzugz%C3%A4higkeit Schlagzugzähigkeit] (access on July 16, 2026)

[[Category:Film Testing]]
[[Category:Impact Tests]]
[[Category:Tensile Test]]

Tensile Impact Test - Revision history