
Ceramicos Ferroelctricos
Authored by Edgar Cristóbal
Chemistry
University
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿En qué época se descubrió el primer material ferroeléctrico?
1920
2000
3500 A.C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Materiales mas conocidos de las propiedades ferroelectricas
Titanato de plomo
(PbTIO3)
Titanio de plomo
(O3PbTi)
Titanato de plomo (PbTIO3)
Titanato de estroncio (SrTIO3)
Titanato de plomo-Zirconato
óxidos, nitruros, carburos (C5t4)
Titanato de estroncio (SrTIO3)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles fueron los principales contribuyentes?
Joseph Valasek y Tobin Marks.
Laboratorios bell.
Instituciones de investigacion.
Kevin Karl y Tobie maguire
Laboratorios wellin
Universidades
Karamike Hanson y Andree Smith
Centro de inestigaciones clandestinas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es un cerámico ferroeléctrico?
Son materiales para generar mas potencia
Son materiales para generar recistencia
Son materiales para mantener una polarización eléctrica permanente
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cueles son las dos caracteristicas de los materiales ferroelectricos
Cargas electricas y ferroelectricos
Polarización espontánea e histeresis eléctrica
Polarizacion y campo electrico
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se clasifican los ferroeléctricos?
Por perovskitas y relaxores
Polarizacion difusa y Iones de oxigeno
Polarizacion espontanea
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Procesos de Fabricación
A qué temperatura se preparan los cerámicos mediante la sinterización de la mezcla de óxido??
A temperaturas de 100°C
A temperaturas de 500 °K
A temperaturas entre 1450 - 1650 °K
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