Zirconia керамические подшипники, без смазки, коррозионная стойкость, скорость увеличена на 30%

Циркония Керамические Части

Циркониевая керамика (ZrO₂) - это своего рода передовая инженерная керамика с высокой прочностью, высокой прочностью и износостойкостью. Благодаря отличным механическим свойствам и биосовместимости он широко используется...

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Yttria-стабилизированный Zirconia керамические свойства
Пункт	Единица	Типичные ценности
Физические свойства
Цвет		Подгонянный
Плотность	г / см3	6.00
Содержание циркония	%	94.4
Проницаемость газа		0
Поглощение воды		0
Кристалл Размер	эм	0.5
Механические свойства
твердость Мо	Сорт	8.2
Твердость Роквелла (45N)	ИГРА	78
Твердость Виккерса (нагрузка 500 г)	ГПа (кг / мм2)	11.5（1175）
Прочность на изгиб (20C)	Mpa	800
Прочность на сжатие (20C)	Mpa	2000
Модуль упругости (20C)	Стекло	＞200
Прочность на разрыв (20C)	Mpam1/2	9
Тепловые свойства
Теплопроводность (20C-400C)	Вт / м.К	2.5
Коэффициент теплового расширения	10-6 / К	9.6
Сопротивление термального удара	△ TC	250
Электронные свойства
Диэлектрическая постоянная	Является	30

Основные функции

Сверхвысокая прочность (трещиностойкость 6-10 МПа · м¹ / ², значительно превышающая оксид алюминия)

Низкая теплопроводность (2-3 Вт / м · К, отличные теплоизоляционные характеристики)

Коррозионная стойкость (стойкость к кислотам и щелочам, стойкость к окислению, подходит для химических сред)

Отличная износостойкость (HV≥1200, подходит для деталей с высоким трением)

Области применения

Торцевые уплотнения: (втулки для насосов, уплотнения клапанов)

Износостойкие детали: (керамические подшипники, направляющие колеса, насадки)

Электронные компоненты: (датчики кислорода, диафрагмы топливных элементов)

Аэрокосмическая: (высокотемпературные теплоизоляционные покрытия, детали двигателя)

Энергетическая промышленность: (электролиты твердооксидных топливных элементов)

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