Home - Conquista | Guia da Conquista - Dilatometria · 2020. 4. 27. · PowerPoint Presentation...
Transcript of Home - Conquista | Guia da Conquista - Dilatometria · 2020. 4. 27. · PowerPoint Presentation...
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Dilatometria –
dilatação dos sólidos
AUTORIA:
Marlon Vinícius Soares
EDITOR DE CONTEÚDO:
Marcioh Monteiro de Melo
EDITORA DE TEXTO:
Shirlei França dos Santos
CRÉDITOS DAS IMAGENS DE ABERTURA:
iStockphoto.com/Georgios Kollidas; Shutterstock/ Fotomak;
Dreamstime.com/Elia Zane; Dreamstime.com/ Glenn
Jenkinson
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Por que razão, em construções de casas ou edifícios,
os revestimentos de paredes e pisos são colocados a
certa distância uns dos outros?
©Sh
utt
erst
ock
/Pet
er D
ean
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Dilatação linear
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Equação da dilatação térmica linear
Jack
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11
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Coeficiente de dilatação linear
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Tecnologia: disjuntores e lâminas
bimetálicas
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Se a parte verde possui maior coeficiente de dilatação
do que a parte vermelha, o que ocorre com o circuito
quando a temperatura da lâmina sobe?
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Tecnologia: disjuntores e lâminas
bimetálicas
Jack
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11
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Disjuntor – dispositivo de segurança
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Sabendo que o metal A dilata mais do que o metal
B, o que acontece com a lâmina caso ela seja
aquecida? E se for resfriada?
Metal A
Metal B
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Dilatação superficial
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Ao aquecer uma chapa, como a ilustrada, o
que ocorre com a área do furo?
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Dilatação superficial
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Dilatação volumétrica
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Dilatação volumétrica