Innovacera Silicon Nitride Si3n4 Ceramic Cylinders for Turbine Engines

• Application: Aerospace, Electronics, Medical, Refractory, Industrial Ceramic
• Type: Ceramic Parts
• Color: Black or Gray
• Coefficient of Thermal Expansion: 3.5
• Thermal Shock Resistance: 650
• Water Absorption: 0
• Processing Service: Moulding
• Si3n4 Ceramic Cylinders Density: 3.2
• Max.Operating Temperature: 1200
• Dielectric Loss: 25
• Vickers Hardness: 16
• Young′s Modulus: 285
• Bending Strength: 785
• Transport Package: According to Your Requirement
• Specification: Customized
• Trademark: INNOVACERA
• Origin: Fujian, China
• Production Capacity: 1000 Piece/Pieces Per Month

Product Description

 

Silicon Nitride Si3N4 Ceramic Cylinders:

 

Silicon Nitride (Si3N4) is 60% lighter than steel but strong enough to survive some of the most demanding

applications in a variety of industries. This lightweight, high-strength ceramic material is used as an

alternative to stainless steel, super alloys, tungsten carbides and first-generation ceramics such as Al2O3

and ZrO2. It offers excellent thermal shock resistance and high fracture toughness, compatibility with

nonferrous metal melts, and improved structural reliability compared to other ceramic materials.

 

Silicon Nitride (Si3N4) Characteristics:

>Good thermal shock resistance

>Creep resistance

>Low density

>High fracture toughness

>High hardness and wear resistance

>Electrical resistivity

 

Product Features

.Very low density .High wear resistance and corrosion resistance .High temperature resistance .Good flexural strength and high fracture toughness .Very good thermal shock resistance .Dimensional stability and aging resistance .Excellent sliding properties (tribology) .Biocompatibility (for use in hygiene and the food and .beverage industry)

 

 

 

Typical Silicon Nitride Uses:

.Rotating bearing balls and rollers .Cutting tools .Engine moving parts - valves, turbocharger rotors .Engine wear parts - cam followers, tappet shims .Turbine blades, vanes, buckets .Metal tube forming rolls and dies .Precision shafts and axles in high wear environments .Weld positioners

Properties			Units	Silicon Nitride (Si3N4)
						HPSi3N4	GPSi3N4
Mechanical	Density	g/cm3	3.24~3.28	3.24~3.26
		Color	--	Gray	Gray
		Water Absorption	%	0	0
		Vickers Hardness	Gpa	14	14
		Flexural Strength(20°C)	Mpa	850-900	750-800
		Compressive Strength(20°C)	Mpa	3000	3000
Thermal	Thermal Conductivity(20°C)	W/m.K	42	22
		Thermal Shock Resistance(20°C)	Δ T(C)	617	605
		Maximum Use Temperature	°C	1500	1500
Electrical	Volume Resistivity(25°C)	Ω.cm	--	--

 

 

Silicon Nitride Ceramic 4 Types:

* Reaction-Bonded Silicon Nitride (RBSN)
* Hot Pressed Silicon Nitride (HPSN)
* Sintered Reaction-Bonded Silicon Nitride (SRBSN)
* Sintered Silicon Nitride (SNN)

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