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Created page with "{{Language_sel|LANG=ger|ARTIKEL=IKBV Stützweitenmethode}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">ICIT – Support span method</span> __FORCETOC__ ==General information== The ICIT − support span method is an experimental method for recording crack resistance (R) curves under dynamic (impact) stress, e.g. in instrumented Charpy impact tests (see also: Impact Loadin..."

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{{Language_sel|LANG=ger|ARTIKEL=IKBV Stützweitenmethode}}
{{PSM_Infobox}}
<span style="font-size:1.2em;font-weight:bold;">ICIT – Support span method</span>
__FORCETOC__

==General information==

The ICIT − support span method is an experimental method for recording [[Crack Resistance (R) Curve|crack resistance (R) curves]] under dynamic (impact) [[Stress|stress]], e.g. in [[Instrumented Charpy Impact Test|instrumented Charpy impact tests]] (see also: [[Impact Loading Pendulum Impact Tester|Impact loading pendulum impact tester]]).

==Implemantation of the Method==

The support span method is based on a procedure whereby stable initial cracks are achieved by changing the ratio of the support span ''s'' or [[Support Distance|support distance]] to the specimen width ''W''. The hammer energy ''E'' and the [[ICIT – Influence of Pendulum Hammer Velocity|hammer velocity]] ''v'' remain constant. The method is therefore based on varying the maximum [[Flexural Strength|bending stress]] in the centre of the test specimens by changing the ratio of ''s''/''W'' ('''Fig. 1''').

[[File:ICIT-Support-Span-Method_Fig1.jpg]]
{|
|- valign="top"
|width="50px"|'''Fig. 1''':
|width="600px" |Implementation of the support span method in the ICIT
|}

==See also==

* [[Crack Resistance Curve – Experimental Methods|Crack resistance curve – Experimental methods]]
* [[Instrumented Charpy Impact Test|Instrumented Charpy impact test]]
* [[Impact Loading Pendulum Impact Tester|Impact loading pendulum impact tester]]
* [[MPK-Procedure MPK-ICIT]]

==References==

* [[Grellmann,_Wolfgang|Grellmann, W.]]; [[Seidler,_Sabine|Seidler, S.]]: Risszähigkeit von Kunststoff-Messungen bei dynamischer Beanspruchung. Materialprüfung 33, 7-8 (1991) 213−218

[[Category:Fracture Mechanics]]
[[Category:Instrumented Impact Test]]

ICIT – Support Span Method - Revision history