Black High Thermal Shock Resistance Customizable Silicon Nitride Ceramic for Non-Standard Structural Parts

Price Negotiable

Price: 200-500 yuan/kg

MOQ: Negotiable

Delivery Time: Negotiable

Brand: KEGU

Product Description

Black OEM Si3N4 Silicon Nitride Ceramics for Custom Non-Standard Structural Parts

Advanced silicon nitride ceramic materials, specifically engineered for the aluminum industry, offer superior thermal and mechanical properties compared to conventional alternatives. Building on this innovation, products like the L-shaped high thermal conductivity submerged heating appliance are set to deliver revolutionary improvements in aluminum industrial equipment performance.

Custom structural components demanding exceptional thermal shock resistance represent a key growth area for silicon nitride ceramics. In high-temperature, highly corrosive, and high-wear applications, silicon nitride is increasingly replacing traditional materials such as cemented carbide, alumina, zirconia, and silicon carbide.

Black OEM Si3N4 Silicon Nitride Ceramics Non Standard Structural Components

Silicon Nitride Ceramics: Property Comparison Data

Category	Property	Unit	99% Al₂O₃	S-SiC	ZrO₂	Si₃N₄
Physical	Density	g/cm³	3.9	3.1	6.0	3.2
Physical	Water Absorption	%	0	0.1	0	0.1
Physical	Sintering Temperature	°C	1700	2200	1500	1800
Mechanical	Hardness (HV)	HV	1700	2200	1300	1400
Mechanical	Flexural Strength	kgf/mm²	3500	4000	9000	7000
Mechanical	Compressive Strength	kgf/mm²	30000	20000	20000	23000
Thermal	Max Working Temperature	°C	1500	1600	1300	1400
	Thermal Expansion Coefficient (0-1000°C)	/°C	8.0 * 10⁻⁶	4.1 * 10⁻⁶ (0-500°C)	9.5 * 10⁻⁶	2.0 * 10⁻⁶ (0-500°C)
			5.2 * 10⁻⁶ (500-1000°C)			4.0 * 10⁻⁶ (500-1000°C)
	Thermal Shock Resistance	ΔT (°C)	200	250	300	400-500
	Thermal Conductivity (25°C)	W/m*K	31	100	3	25
Thermal	Thermal Conductivity (300°C)	W/m*K	16	100	3	25
Electrical	Volume Resistivity (20°C)	Ω*cm	>10¹²	10⁶-10⁸	>10¹⁰	>10¹¹
	Volume Resistivity (100°C)	Ω*cm	10¹²-10¹³	-	-	>10¹¹
	Volume Resistivity (300°C)	Ω*cm	>10¹²	-	-	>10¹¹
	Dielectric Breakdown Strength	kV/mm	18	Semiconductor	9	17.7
	Dielectric Constant (1 MHz)	ε	10	-	29	7
	Dielectric Loss Tangent	tan δ	0.4 * 10⁻³	-	-	-

Key Advantages of Silicon Nitride (Si₃N₄)

Excellent Thermal Shock Resistance (ΔT 400-500°C)
High Mechanical Strength & Toughness
Good Thermal Conductivity with low thermal expansion
Superior Wear & Corrosion Resistance
High-Temperature Stability up to 1400°C
Electrical Insulation Properties

Applications: Ideal for custom structural components in metallurgy, automotive, aerospace, energy, and industrial wear parts requiring reliability under extreme conditions.