Topic: Charpy Impact Test
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Why we use v-notch in charpy impact test?
Under conditions of sharp notches, wide specimens and rapid loading, many ductile materials lose their energy absorbing capability and fail in a brittle manner. Read More »
Source: http://wiki.answers.com/Q/Why_we_use_v-notch_in_charpy_impact_tes...
In Charpy Impact Testing, why is a notch necessary?
The charpy test is done to measure the ability of a material to resist brittle fracture. Brittle fracture almost always starts at some type of small notch or similar imperfection in the material. The V-notch is a way to simulate this condit... Read More »
Source: http://answers.yahoo.com/question/index?qid=20100323221323AA1bbuH
What is Charpy test?
( ′shär·pē ′test ) (metallurgy) An impact test to determine the ductility of a metal; a freely swinging pendulum is allowed to strike and break a notched specimen that has been laid loosely on a support; the work done by the pendulum is obt... Read More »
Source: http://www.answers.com/topic/charpy-test
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Charpy Impact Test
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Answers to Other Common Questions
PVC has Chlorine molecules as a pendent, this cause a lot of steric hinderance, which in turn cause the backbone to become very stiff. This will increase the tensile strength but reduces the impact strength because the molecules cannot flex...
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Source: http://answers.yahoo.com/question/index?qid=20111117061339AAQZ9m6
Because they have different uses ...in both
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Source: http://answers.yahoo.com/question/index?qid=20100218065430AAXQ3oR
That's the one where you hit the piece with a pendulum right? It been a while but I believe you cut the sample to the correct size. Broach the notch. Place it in the tester. Pull the pendulum and needle back and release it. The needle shoul...
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Source: http://answers.yahoo.com/question/index?qid=20080924023039AAeURel
you have it correct. Charpy is more prevalent today, Izod has fallen out of favor. Not sure why.
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Source: http://answers.yahoo.com/question/index?qid=20090910100750AA9fI4G
You haven't stated the temperature at which the testing was done but in general I would expect X65 pipe to be relatively brittle in terms of impact testing even at temperatures up in the range of 50 deg F. Does the pipe pass the impact test...
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Source: http://answers.yahoo.com/question/index?qid=20080105003055AAjXw1N
It shows the fracture toughness of materials. higher the brittleness lower the fracture toughness and also lower will be the impact value and vice verse.
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Source: http://wiki.answers.com/Q/Why_V_notch_required_in_impact_testing
