Bora nitrīda keramikas pārskats

Bora nitrīda (BN) keramika ir unikāls materiāls, kas ir slavens ar savām izcilajām īpašībām, padarot to ļoti vērtīgu dažādos rūpnieciskos lietojumos. Tas pastāv vairākos veidos, galvenokārt sešstūra bora nitrīdā (h-BN), kubiskā bora nitrīdā (c-BN) un vurcīta bora nitrīdā (w-BN). Sešstūra BN, visizplatītākā forma, bieži salīdzina ar grafītu, jo tas ir eļļojošs un siltumvadītspējīgs, taču elektriski izolējošs. Bora nitrīda keramika tiek sintezēta augstā temperatūrā un spiedienā, piedāvājot retu īpašību kombināciju, kas nav sastopama daudzos citos materiālos.

Bora nitrīda keramikas īpašības

Siltumvadītspēja: Lieliska siltumvadītspēja, īpaši sešstūra formā, kas nodrošina efektīvu siltuma izkliedi.

Elektriskā izolācija: izcilās elektriskās izolācijas īpašības padara to ideāli piemērotu elektroierīcēm, kurām nepieciešama siltuma vadība.

Ķīmiskā stabilitāte: ļoti izturīga pret ķīmiskiem uzbrukumiem, tostarp stiprām skābēm un bāzēm, nodrošinot izturību skarbos apstākļos.

Termiskā triecienizturība: izcila izturība pret termisko triecienu, ļaujot tai izturēt straujas temperatūras izmaiņas bez plaisāšanas.

Mehāniskā izturība: laba mehāniskā izturība gan istabas, gan paaugstinātā temperatūrā, lai gan tā var atšķirties atkarībā no BN formas.

Eļļošana: Pašeļļojoša īpašība, pateicoties tās slāņainajai struktūrai, kas samazina kustīgo daļu berzi un nodilumu.

Netoksisks: droši lietojams dažādos apstākļos, tostarp medicīnas un pārtikas pārstrādes nozarēs, jo tas nav toksisks.

Augstas temperatūras veiktspēja: saglabā stabilitāti ārkārtīgi augstās temperatūrās, kas pārsniedz 1000°C inertā atmosfērā, padarot to piemērotu ugunsizturīgiem lietojumiem.

(PBN Prolytic Boron Nitride Ceramic Crucible for Vacuum Melting)

Specification of PBN Prolytic Boron Nitride Ceramic Crucible for Vacuum Melting

The PBN Prolytic Boron Nitride Porcelain Crucible is developed for high-performance vacuum melting applications. It is made from pure pyrolytic boron nitride, a material recognized for extraordinary thermal and chemical stability. The split framework of PBN enables it to deal with extreme temperatures as much as 1800 ° C in vacuum atmospheres. This crucible stands up to thermal shock, making it trustworthy throughout fast home heating or cooling down cycles.

Its chemical inertness guarantees compatibility with molten metals, corrosive salts, and acidic compounds. The non-wetting surface area protects against bond of melted materials, lowering contamination risks. This feature streamlines cleaning and prolongs the crucible’s life span. The material’s low porosity minimizes interactions in between the crucible and molten materials, maintaining sample pureness.

The crucible masters electric insulation also at heats. This residential or commercial property is essential for procedures calling for controlled electric environments. Its mechanical strength continues to be stable under extreme thermal anxiety, staying clear of deformation or cracking. The smooth surface area coating ensures constant performance in accuracy applications like semiconductor handling or crystal development.

PBN crucibles are machined to limited tolerances for consistent wall thickness and shape precision. This accuracy supports even warm circulation, boosting process repeatability. The material’s low outgassing price makes it optimal for ultra-high vacuum cleaner systems. It maintains integrity in ambiences with low oxygen partial stress, common in metal vapor deposition or rare-earth melting.

Typical applications include melting metals like aluminum, gallium, or indium. It is additionally used in creating optical crystals, LED products, and high-purity alloys. The crucible’s resistance to carbon reduction reactions makes it suitable for dealing with responsive elements. Its sturdiness decreases downtime, reducing lasting operational costs.

The PBN Prolytic Boron Nitride Crucible satisfies strict industry requirements for vacuum cleaner furnace use. It integrates high-temperature strength with chemical security, using a reliable option for demanding melting processes.

(PBN Prolytic Boron Nitride Ceramic Crucible for Vacuum Melting)

Applications of PBN Prolytic Boron Nitride Ceramic Crucible for Vacuum Melting

PBN prolytic boron nitride ceramic crucibles are utilized in vacuum cleaner melting processes. These crucibles handle high-purity products. They function well in severe temperature levels. This makes them suitable for melting metals, semiconductors, and specialized alloys. The material’s pureness makes certain marginal contamination. This is crucial for applications requiring precise chemical make-ups.

The crucibles carry out well in vacuum cleaner settings. They stand up to thermal shock. Rapid temperature level adjustments do not damage them. This dependability suits high-temperature procedures like crystal development. Industries like semiconductor production rely upon this. PBN crucibles melt products like gallium arsenide and indium phosphide. These materials develop the base of digital components.

Chemical inertness is an additional benefit. The crucibles do not react with molten steels or corrosive materials. This extends their life-span. Customers avoid regular substitutes. It likewise maintains the dissolved material free from contaminations. This is crucial for optical crystal manufacturing. Also tiny impurities impact performance in lasers or sensing units.

PBN crucibles support consistent warm distribution. Their framework stops locations. This makes certain consistent melting results. Designers achieve better control over procedures. It results in higher-quality final product. The aerospace market benefits here. Components made from superalloys need accurate melting problems.

The crucibles are mechanically solid. They take care of physical anxiety during handling. Their reduced thermal expansion keeps them secure. This decreases breaking threats. Makers conserve costs on maintenance. Study labs utilize them for experimental alloys. The longevity sustains repeated testing.

Applications consist of thin-film deposition. PBN crucibles evaporate products equally. This creates layers for electronics and optics. The procedure requires secure, non-reactive containers. PBN fulfills these needs. Its smooth surface area allows easy product release. Cleansing between uses is less complex.

These crucibles offer modern areas. They fulfill rigorous sector requirements. Users trust their efficiency in vital tasks. The mix of thermal security, chemical resistance, and mechanical toughness makes them a top choice. Vacuum cleaner melting procedures depend on such dependability.

Uzņēmuma Ievads

Advanced Ceramics, kas dibināts 17. gada 2014. oktobrī, ir augsto tehnoloģiju uzņēmums, kas nodarbojas ar keramikas materiālu un izstrādājumu izpēti un izstrādi, ražošanu, apstrādi, pārdošanu un tehniskajiem pakalpojumiem. Kopš dibināšanas 2014. gadā uzņēmums ir apņēmies nodrošināt klientiem vislabākos produktus un pakalpojumus, un ir kļuvis par nozares līderi, izmantojot nepārtrauktas tehnoloģiskās inovācijas un stingru kvalitātes vadību.

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5 FAQs of PBN Prolytic Boron Nitride Ceramic Crucible for Vacuum Melting

PBN ceramic crucibles are made from pyrolytic boron nitride. This material forms a highly pure ceramic through chemical vapor deposition. It has a layered structure. This gives it strong thermal and chemical stability. It works well in high-temperature vacuum environments.

People use PBN crucibles for vacuum melting because they stay stable under extreme heat. They don’t react with most metals or semiconductors. This keeps melted materials pure. They also handle rapid temperature changes better than other ceramics. Their low gas release in vacuums prevents contamination.

PBN crucibles handle temperatures up to 1800°C in vacuums. In inert gases, they work up to 2100°C. This is higher than quartz or alumina crucibles. They conduct heat well. This helps distribute heat evenly during melting.

How long a PBN crucible lasts depends on usage. High temperatures or harsh chemicals shorten its life. Proper care extends it. It resists cracks from thermal stress better than other ceramics. Users report years of service with normal use.

Handle PBN crucibles carefully. Avoid dropping or hitting them. Sudden temperature changes can damage them. Heat or cool them slowly. Store them in dry places. Moisture can weaken them over time. Clean them with non-abrasive methods. Use acids or alkalis only if compatible. Check for damage before each use. Replace crucibles with cracks or heavy wear.

(PBN Prolytic Boron Nitride Ceramic Crucible for Vacuum Melting)