Silicon Carbide Ceramics: Properties & 응용 프로그램
Excellent properties and application fields of 실리콘 카바이드 도예
- Silicon carbide ceramic is a high-performance structural ceramic combining extreme hardness, high-temperature stability and corrosion resistance.
- Its properties make it valuable in mechanical seals, armor, semiconductor components and high-temperature fixtures.
As a high-performance structural ceramic material, silicon carbide ceramics have excellent comprehensive properties that are unmatched by structural materials such as metals:
(1) 고온 강도, 작은 고온 크리프, 다양한 고온 환경에 적합.
(2) 낮은 열팽창 계수, 높은 열전도율, 그리고 우수한 열충격 저항.
(3) 높은 화학적 안정성과 우수한 내식성.
(4) 높은 경도, 낮은 마찰 계수, 우수한 내마모성.
(5) 저밀도, 높은 탄성 계수.
(6) The resistivity characteristics can be tailored and can be used as semiconductor characteristics, so it can be widely used in many fields.
탄화규소 ceramics are usually used as high-temperature kiln furniture materials in roller kilns, tunnel kilns, and shuttle kilns in high-grade daily ceramics, sanitary porcelain, high-voltage electric porcelain, glass and other industries.
Silicon carbide ceramics have outstanding high temperature strength, excellent high temperature creep resistance and thermal shock resistance, and are one of the main materials for heat engine components in rockets, aircraft, automobile engines and gas turbines.
예를 들어, the AGT100 automotive ceramic gas turbine developed by General Motors uses silicon carbide ceramics as high-temperature components such as combustion chamber rings, combustion chamber cylinders, guide vanes and turbine rotors.
Silicon carbide ceramics are also considered to be one of the most promising high-performance bulletproof armor materials. The hardness of silicon carbide is second only to diamond and boron carbide.
최근 몇 년 동안, silicon carbide ceramic bulletproof armor has been more and more widely used in armor protection fields such as individual soldier equipment, army armored weapon platforms, armed helicopters, police and civilian special vehicles.
Silicon carbide ceramic materials have excellent mechanical, 열, chemical and physical properties. They are not only widely used in traditional industrial fields, but also in high-tech fields such as semiconductors, 원자력, and national defense. The application is also expanding, and the application prospect is very broad.
When these properties meet a cutting tool, the challenges outlined in our silicon carbide cutting guide are what typically appear.
자주 묻는 질문
What are the key properties of silicon carbide ceramics?
Extreme hardness (second only to diamond among common ceramics), excellent high-temperature strength, low thermal expansion, and strong corrosion and wear resistance.
Where are silicon carbide ceramics used?
Typical applications include mechanical seal rings, kiln furniture, armor plates, semiconductor process components and wear parts in harsh chemical environments.
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