Overview of Custom Refractory Silicon Nitride Ceramic Crucible

Custom Refractory Silicon Nitride Ceramic Crucible is a high-performance advanced ceramic renowned for its exceptional combination of thermal shock resistance, high strength, toughness, and excellent wear and corrosion resistance. It is a material of choice for demanding applications across various industries, from automotive and aerospace to industrial and medical.

Features of Custom Refractory Silicon Nitride Ceramic Crucible

l Excellent Thermal Shock Resistance: Withstands rapid temperature changes without cracking.

l High Strength & Hardness: Maintains mechanical properties at both room and elevated temperatures.

l Good Fracture Toughness: Superior to many other technical ceramics, providing better resistance to chipping and breakage.

l Low Density & Lightweight: Significantly lighter than steel and many metals.

l Wear & Corrosion Resistance: Ideal for components exposed to abrasive and corrosive environments.

l Electrical Insulation: Offers good dielectric properties.

 

Specification of Custom Refractory Silicon Nitride Ceramic Crucible

This custom refractory silicon nitride ceramic crucible provides high performance for demanding applications. The core material is premium silicon nitride ceramic. This material withstands extreme temperatures exceeding 1800°C. It resists thermal shock very effectively. Sudden temperature changes cause minimal stress. This crucible handles corrosive chemicals reliably. Acids, bases, molten salts, and molten metals cause little damage. Its inherent chemical inertness prevents contamination. Your materials stay pure during processing.

We offer significant customization. Crucible size and shape adapt to your specific furnace or process. Tell us your required internal dimensions. We will match them precisely. Wall thickness gets optimized for your thermal needs and mechanical strength. Complex geometries are achievable. We machine features accurately. Tight dimensional tolerances are standard. Surface finish options are available. Smooth finishes minimize material sticking. Specific surface roughness levels are possible.

The crucible exhibits excellent mechanical properties. It possesses high hardness. Wear resistance is superior. Load-bearing capacity at temperature is strong. This crucible survives repeated thermal cycling. Long service life reduces replacement costs. Downtime decreases significantly. Consistent performance batch after batch is expected.

Typical uses include high-purity metal melting, advanced crystal growth, semiconductor processing, and specialized chemical synthesis. It serves well in research labs and industrial production.

Applications of Custom Refractory Silicon Nitride Ceramic Crucible

Custom refractory silicon nitride ceramic crucibles handle extreme heat and tough jobs. They last longer than many other materials. You find them in demanding industrial settings. Metal casting operations use them often. These crucibles melt reactive metals like titanium and zirconium superbly. They resist attack from the molten metal itself. This keeps the melt pure. Sudden temperature changes don’t crack them easily. This is crucial for repeated heating and cooling cycles.

Semiconductor makers rely on these crucibles too. They are essential for growing high-purity crystals. Silicon nitride won’t pollute the sensitive silicon melt. It keeps the crystals clean. This is vital for making good computer chips. Laboratories use these crucibles for testing. Chemists heat aggressive chemicals inside them. The crucibles withstand acids and other corrosives well. They provide reliable results.

Glass manufacturers also benefit. The crucibles handle molten glass at high temperatures. They don’t degrade quickly. This saves money on replacements. Jewelry makers use smaller versions. They melt precious metals like gold and platinum. The crucibles handle the heat without contaminating the metal. This ensures high-quality jewelry.

These crucibles work under vacuum or protective gas. They maintain strength even near their maximum temperature limit. Their non-wetting surface helps too. Metal doesn’t stick inside. This allows easy pouring and cleaner empties. They offer a solid solution for high-temperature containment.

Company Profile

Tanki New Materials Co.Ltd. focus on the research and development, production and sales of ceramic products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2015, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Aerogel, Aluminum Nitride, Aluminum Oxide, Boron Carbide, Boron Nitride, Ceramic Crucible, Ceramic Fiber, Quartz Product, Refractory Material, Silicon Carbide, Silicon Nitride, ect. please feel free to contact us.

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Custom Refractory Silicon Nitride Ceramic Crucible

What are silicon nitride ceramic crucibles?
These crucibles hold molten metals. They are made from silicon nitride powder pressed and baked at high heat. The result is a super tough ceramic. It resists extreme temperatures and chemical attack. Silicon nitride crucibles handle harsh conditions better than metal or graphite.

Why do customers need custom crucibles?
Standard sizes don’t fit every furnace or process. Custom shapes ensure the crucible fits the heating zone perfectly. Specific metal alloys require unique designs. Some processes need special pouring spouts or reinforced walls. Customization solves these exact problems.

How hot can these crucibles get?
Silicon nitride crucibles handle very high heat. They work continuously up to about 1400°C (2550°F). Short bursts can reach 1600°C (2910°F). Going higher risks damage. Always check the maker’s specs for your exact material grade. The maximum safe temperature depends on the specific silicon nitride blend used.

How long do these crucibles last?
Lifespan varies a lot. It depends on the metal melted, the peak temperatures used, and how often the crucible heats and cools. Rough handling shortens life. Under ideal conditions, expect months of use. Under heavy stress like melting reactive alloys at max heat, they wear out faster. Expect weeks. They last months, not years.

Can I clean and reuse them?
Yes, cleaning is possible and recommended. Remove all metal residue after each use. Let the crucible cool completely first. Gentle mechanical cleaning is best. Avoid harsh chemicals that might attack the ceramic surface. Inspect for cracks or deep wear before reuse. A damaged crucible can fail catastrophically next time.