Innovative materials (focused on polyvinylidene fluoride)
Test based on innovative materials and different properties, focusing on polyvinylidene fluoride.
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Pregunta
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Respuesta correcta
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Which innovative material was discovered in 2004? :
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Graphene |
Which property is not mechanical? :
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Hygroscopy |
What is the property that makes the material capable of being converted into yarns? :
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Ductility |
What property makes the tide gauge very difficult to scratch? :
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Hardness |
Which property is mechanical? :
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Brittleness |
Which property is chemical? :
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Surface tension |
Which material is not natural? :
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Glass |
What does it mean for a material to be piezoelectric? :
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The piezoelectric effect describes the property of certain solids to generate an electrical charge under mechanical stress. |
Which innovative material possesses piezoelectric properties? :
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Polyvinylidene flouride |
What particle does PVDF come from? :
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Vinylidene fluoride |
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Pregunta
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Respuesta correcta
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What mechanical property does polyvinylidene fluoride possess? :
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Stiffness |
When were the piezoelectric properties of polyvinylidene fluoride discovered? :
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1969 |
Which scientists identified the Curie point of 103 oC? :
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Furakawa and Johnson |
In which sectors does this material have the most applications? :
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Aeronautics and construction |
Which property does polyvinylidene fluoride not possess? :
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Superconductivity |
Environmental impact of this material :
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In the manufacturing and if disposed of incorrectly |
What can PVDF be used for? :
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Pipes |
Has this material been legislated? :
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No, it hasn't been legislated by anyone |
Before 1969, which materials not stood out for their ferroelectric and piezoelectric properties? :
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Pirita |
In which industry can PVDF not be useful? :
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Textile |
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