항공우주급 Si3N4 세라믹 부품, 1400°C 고온에 내성이 있는 군사 품질 보증

맞춤형 실리콘 질산염 세라믹 부품

실리콘 질산염 세라믹(SiN)은 오늘날 최고의 종합 성능을 가진 구조용 세라믹 소재 중 하나입니다. 초고강도, 열충격 저항성, 뛰어난 기계적 안정성으로 항공우주, 고급 장비 및 신에너지 분야에서 선호되는 소재가 되었습니다....

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SISIC(RBSIC/REFEL) 속성
아이템	단위	전형적인 가치
물리적 속성
색상		그레이 블랙
밀도	g/cm3	3.04
실리콘 카바이드 콘텐츠	%	82-83
기계적 특성
모의 경도		9.15
비커스 경도 HV	Kg/mm2	3000
근력	Mpa 20C	250
근력	Mpa 1200C	280
압축 강도	GPa @ 앰비언트	2.9
탄성계수	Mpa 20C	330
탄성계수	Mpa 1200C	300
골절 강인함	MPa m1/2	4
물고기 비율		0.24
열 특성
최대 작업 온도	C	1380
열전도율	W/m.K	150
열팽창 계수	10-6/C	4.5
전기적 특성
전기 저항	옴	10

핵심 재료 특성

극한의 기계적 특성

벤딩 강도: 800-1200 MPa(HIP 소결 프로세스)

골절 강도: 6-7.5 MPa·m/ (알루미늄 세라믹의 두 배)

비커스 경도: 1600-1800 HV

놀라운 열 성능

최대 작동 온도: 1400C(산화 환경 아래)

열팽창계수 : 3.210 / C (베어링강과 완벽하게 일치)

열전도율: 15-30W/(m·K)

응용 프로그램 필드

1. 항공 우주

엔진 부품: 터빈 로터 블레이드, 연소실 라이너

위성 시스템: 관성 항법 시스템용 세라믹 베어링

초음속 항공기: 열 보호 세라믹 매트릭스 복합체

2. 에너지 장비

풍력 시스템: 메가 와트급 발전기 절연 세라믹 링

원자력 부품: 사용후 핵연료 가공 조작기용 세라믹 조인트

태양광 제조: 다결정 실리콘 잉곳 용해로용 열장 재료

3. 정밀 기계

고속 베어링: 310mm·r/min을 초과하는 DN 값

금속 성형: 연속 주조를 위한 세라믹 분리 링

반도체 장비: 웨이퍼 이송 로봇 암 부품

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