Topic: Material Stiffness
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How stiff is your material
HDPE: works well, looks good, cheap and easy to get. I used 0.8mm thick stock for 8cm pieces (measured flat-side to flat-side). Read More »
Source: http://www.chacha.com/question/how-stiff-is-your-material
Why are the walls of the windpipe made of stiff material?
So it doesn't collapse when you breathe. =] Read More »
Source: http://wiki.answers.com/Q/Why_are_the_walls_of_the_windpipe_made_...
Why are amorphous materials stiff?
there are many other materials stiffer than concrete. concrete happens to be a building material because it has a good strength to cost ratio, compared to steel, for instance, but it is a lot heavier for the same strength as steel and concr... Read More »
Source: http://answers.yahoo.com/question/index?qid=20100124103334AAKoRCQ
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Material Stiffness
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Answers to Other Common Questions
It involves molecular bonds, some are stronger than others. And remember, just because it is stiff, does not necessarily make it better.
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Source: http://answers.yahoo.com/question/index?qid=20120103060158AAUbdUG
Steel is NOT stiff. In fact it is worldly accepted metals (steel is a metal) are >not< rigid in mechanical terms, and rigid means stiff. Steel easy to shape, but is strong and therefore hard to break. Thermosetting polymers (hard plastic) w...
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Source: http://answers.yahoo.com/question/index?qid=20111029023559AA6AxXW
The cell wall is considered non-living, and surrounds a plant cell to give it shape and keep it intact.
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Source: http://wiki.answers.com/Q/What_is_a_stiff_layer_of_nonliving_mate...
Concrete is basically an artificial rock. It is strong in compression but weak in tension. In reinforced concrete, the purpose of the reinforcement is to provide tensile strength, otherwise the material just cracks where tension is applied ...
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Source: http://answers.yahoo.com/question/index?qid=20100124095255AA82h96
*Strength and stiffness are not the same thing. Here's an analogy: A rubber band is stretched to failure. The rubber band failed at five pounds of force, but it stretched more than double its length before failure. The rubber band was not v...
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Source: http://answers.yahoo.com/question/index?qid=20081201074716AAxqHxs
you can use ultrasonic testing methods, also called with Ultrasonic Thickness Measurements (UTM). This method belongs to NDT (Non Destructive Testing Methods).
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Source: http://answers.yahoo.com/question/index?qid=20080809061827AAsjwpa
