
Preguntas sobre DIAGRAMAS TTT
Authored by CARLOS ROMERO
Instructional Technology
Professional Development
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué microestructura se obtiene al evitar cruzar la línea de inicio de transformación en perlita y bainita?
100% martensita
100% perlita
100% bainita
50% austenita
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué se debe hacer para obtener una microestructura de 100% bainita inferior?
Enfriar rápidamente y mantener a 250°C
Enfriar lentamente hasta 100°C
Mantener a 500°C hasta la transformación
Enfriar a temperatura ambiente
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué compone la microestructura del acero eutectoide?
Granos de perlita
Granos de ferrita
Granos de martensita
Granos de cementita
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué se transforma en perlita, bainita o martensita?
Cualquier fase del acero
La austenita
La ferrita
La cementita
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué ocurre si el enfriamiento no se produce lentamente?
Se obtiene perlita de equilibrio
Aparecen otras microestructuras
Se forma solo martensita
No hay transformación
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿A qué temperatura se produce la transformación eutéctica a partir de la fase líquida?
1147°C
1000°C
800°C
600°C
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué microestructura se forma al cruzar la curva de final de transformación?
100% martensita
100% perlita
100% bainita
50% austenita
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