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Science Forum Index » Materials Forum » impact testing in plastics
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| Guest |
 Posted: Sun Sep 02, 2007 3:40 am |
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can someone please help me in explaining difference between Izod
Impact testing and Charpy Impact testing
thanks in advace for your advice
waiting for feedback from experts |
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| JoeM |
| Posted: Fri Oct 05, 2007 12:42 pm |
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Guest
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On Sep 2, 4:40 am, aashis...@gmail.com wrote:
Quote: can someone please help me in explaining difference between Izod
Impact testing and Charpy Impact testing
thanks in advace for your advice
waiting for feedback from experts
The basic difference is that the rectangular prism sample in Izod
impacting is held on only one end, with the other end being impacted
(causing a bending fracture). In Charpy, both ends are held fixed and
the center is impacted (also a bending fracture mode). My experience
is in metals, but I believe Izod is usually an un-notched sample while
Charpy is usually notched. However, Charpy does have un-notched
samples within the test specification, per ASTM.
ASTM would be the the source for the fine details on these two
methods. |
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