Innovacera Silicon Nitride Si3n4 Ceramic Insulating Part for Industrial

• Application: Aerospace, Ceramic Decorations, Electronics, Medical, Refractory
• Type: Ceramic Tubes
• Specific Resistivity: 1018
• Poisson Ratio: 0.25
• Thermal Conductivity: 15~20
• Processing Service: Moulding
• Model NO.: SIN19263
• Density: 3.2g/cm3
• Crushing Load Ratio (25ºC): 35~45%
• Flexural Strength: 700~800MPa
• Fracture Toughness: 6.0~7.0
• Hardness(Hv): 1600 - 1800MPa
• Coefficient of Linear Expansion: 3.0~3.2
• Modulus of Elasticity: 300~320gpa
• Transport Package: Standard Safety Cartons with Plastic Foams
• Specification: customized
• Trademark: INNOVACERA
• Origin: Fujian, China
• Production Capacity: 100000 Piece/Pieces Per Month

Product Description

 

Silicon Nitride Ceramic Structural parts

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: 1 Good thermal shock resistance 2 Creep resistance 3 Low density 4 High fracture toughness 5 High hardness and wear resistance 6 Electrical resistivity

Silicon Nitride Properties
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)

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

 

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