Чорй намудани керамики карбиди бор

Керамики карбиди бор як маводи ғайриорганикӣ ва ғайриметаллӣ буда, ҷузъҳои асосии он карбон ва бор буда, формулаи кимиёвии он B4C мебошад. Аз замони кашфи худ дар аввали асри 20, ин мавод аз сабаби хосиятҳои беназири физикӣ ва химиявии худ таваҷҷӯҳи зиёдро ба худ ҷалб кард. Керамикаи карбиди бор сахтии ниҳоят баланд дорад, танҳо пас аз алмос ва нитриди бор мукааб, ки онро дар соҳаи маводи ба фарсуда тобовар муҳим мегардонад. Он инчунин муқовимати аъло ба зангзанӣ, устувории баланд дар ҳарорати баланд ва хосиятҳои зичии пастро нишон медиҳад, ки онро барои истеҳсоли камарбанди тирҳо, соплоҳо, подшипникҳо ва дигар ҷузъҳои механикӣ, ки муқовимати фарсудашавии баландро талаб мекунанд, беҳтарин мекунанд. Керамики карбиди бор инчунин метавонад дар шакл ва андозаҳои гуногун тавассути равандҳои гуногун барои қонеъ кардани ниёзҳои соҳаҳои мухталиф омода карда шавад.

Хусусиятҳои керамикаи бор карбиди

Керамикаи карбиди бор бо хусусиятҳои аълои иҷроиш маълум аст, ки аз сахтӣ ва қувваташон хеле баланд аст, ки онҳоро ба абрешим ва харошидан тобовар месозад ва онҳоро барои истифода дар асбобҳои буриш ва абразивҳо беҳтарин месозад. Сониян, мавод дорои устувории аълои кимиёвӣ аст ва эҳтимоли камтар бо моддаҳои кимиёвӣ ба монанди кислотаҳо ва сілтҳо, ҳатто дар муҳитҳои шадид вокуниш нишон медиҳад, ки онро дар баъзе ҷузъҳои асосии саноати кимиё васеъ истифода мебарад. Илова бар ин, устувории баланди гармии керамикаи карбиди бор ва қобилияти онҳо барои нигоҳ доштани устувории сохторӣ ва моликият дар ҳарорати хеле баланд онҳоро яке аз маводҳои асосии саноати кайҳонӣ ва атомӣ месозад. Ниҳоят, бояд хосиятҳои сабуки онро қайд кард, ки аз сабаби зичии пасти он, керамикаи карбиди борро як варианти беҳтарин барои сенарияҳои татбиқ, ки вазни сабук, вале қувваи баланд талаб мекунанд, мегардонад. Якҷоя, ин хусусиятҳо ба сафолҳои карбиди бор доираи васеи барномаҳоро медиҳанд.

(F320 F220 Boron Carbide Powder for Hot Pressing Boron Carbide Ceramics)

Specification of F320 F220 Boron Carbide Powder for Hot Pressing Boron Carbide Ceramics

The F320 and F220 boron carbide powders are created for producing high-performance boron carbide ceramics through hot pushing. These powders meet strict top quality standards to guarantee trustworthy lead to requiring applications. The F320 quality has a finer bit size contrasted to the F220. The F320 powder averages 3-5 microns, while the F220 ranges between 5-8 microns. Both grades supply tight bit dimension distribution, essential for accomplishing uniform densification throughout sintering. High purity is a crucial attribute. The boron carbide web content surpasses 98.5%, with total metallic pollutants below 0.2%. This minimizes flaws in the last ceramic product. Low oxygen web content, under 0.8%, prevents oxidation-related problems during processing.

The powders are synthesized using advanced carbothermal reduction approaches. This makes sure consistent chemical composition and crystallinity. The primary parts are boron and carbon, with micronutrient like iron, silicon, and calcium regulated to minimal levels. The crystalline structure is mainly rhombohedral, improving mechanical residential or commercial properties in sintered parts.

Thickness plays a vital duty. The powders have a bulk thickness of 1.2-1.5 g/cm six and a tap thickness of 1.6-1.8 g/cm SIX. These worths enhance flowability and packing efficiency throughout mold and mildew filling. After hot pressing, the resulting ceramics attain thickness over 98% of academic density. This makes certain extraordinary firmness, rated at 30-35 GPa on the Vickers scale.

Thermal security is an additional advantage. The ceramics hold up against temperature levels approximately 2200 ° C in inert environments. This makes them appropriate for high-temperature settings. The product likewise stands up to neutron absorption, ideal for nuclear applications.

Product packaging guarantees item integrity. The powders can be found in moisture-resistant, vacuum-sealed bags. Each batch undertakes extensive testing for bit size, pureness, and chemical make-up. Customized fragment dimension circulations or purity levels are readily available upon request.

Applications include shield systems, rough nozzles, and wear-resistant elements. The powders work with common hot pressing tools. Handling criteria like temperature and pressure can be changed based upon details requirements. Correct handling stops contamination. Storage in dry, amazing conditions maintains powder top quality.

The F320 and F220 powders supply a trusted structure for manufacturing boron carbide ceramics with constant efficiency. Their tailored homes address the needs of markets requiring high firmness, thermal resistance, and architectural stability.

(F320 F220 Boron Carbide Powder for Hot Pressing Boron Carbide Ceramics)

Applications of F320 F220 Boron Carbide Powder for Hot Pressing Boron Carbide Ceramics

Boron carbide powder qualities F320 and F220 are widely utilized in producing high-performance porcelains through hot pressing. These powders are optimal for applications calling for severe solidity, put on resistance, and thermal stability. Hot-pressed boron carbide ceramics prevail in sectors such as defense, aerospace, and commercial production.

The F320 boron carbide powder has a finer fragment dimension. This makes it suitable for producing porcelains with high thickness and smooth surfaces. These residential or commercial properties are vital for shield systems, such as bulletproof vests and automobile plating. The product’s ability to soak up impact without breaking makes certain trusted protection. F320-based ceramics likewise function well in accuracy parts like reducing tools and nozzles. Their resistance to abrasion expands the lifespan of these parts.

F220 boron carbide powder has a coarser bit size. This grade is often picked for applications needing rapid material combination during warm pressing. The resulting ceramics have outstanding thermal conductivity and stability. This makes them valuable in high-temperature settings, such as heater linings or heat-resistant guards. F220-based ceramics are additionally used in atomic power plants. Boron carbide’s neutron-absorbing homes help regulate nuclear reactions properly.

Both qualities perform well in harsh chemical atmospheres. They stand up to deterioration from acids and antacids. This makes them suitable for pump seals and shutoffs in chemical processing plants. Their light-weight nature contrasted to metals like steel or tungsten carbide is a benefit in aerospace elements.

Warm pushing ensures boron carbide porcelains achieve near-theoretical density. This process improves mechanical strength and decreases porosity. Manufacturers adjust criteria like temperature and stress based on the powder quality. F320 needs greater accuracy to keep its great structure. F220 allows faster processing because of its particle size.

The choice in between F320 and F220 depends on the application’s priorities. F320 is much better for high-density, accuracy parts. F220 fits high-temperature or quick manufacturing demands. Both grades supply unequaled longevity and efficiency in specialized fields. Their convenience makes boron carbide porcelains a preferred remedy for extreme engineering difficulties.

Ширкат Муқаддима

Advanced Ceramics, ки 17 октябри соли 2014 таъсис ёфтааст, як корхонаи баландтехнологӣ мебошад, ки ба пажӯҳиш ва таҳия, истеҳсол, коркард, фурӯш ва хидматрасонии техникии маводҳо ва маҳсулоти нисбии сафолӣ машғул аст.. Аз замони таъсисаш дар соли 2014, ширкат ӯҳдадор шудааст, ки ба мизоҷон беҳтарин маҳсулот ва хидматҳоро пешниҳод кунад ва тавассути идоракунии пайвастаи сифат ва технологияи нав ба пешсафи саноат табдил ёфт.

Маҳсулоти мо маҳсулоти сафолини кремний карбиди, Маҳсулоти сафолии бор нитриди бор, Маҳсулоти керамикии кремний, нитриди кремний, маҳсулоти сафолини цирконий диоксиди, маҳсулоти кварц ва ғайраҳоро дар бар мегирад. Лутфан, бо мо тамос гиред.(nanotrun@ya)

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5 FAQs of F320 F220 Boron Carbide Powder for Hot Pressing Boron Carbide Ceramics

What do F320 and F220 mean in boron carbide powder?
These labels show the powder’s particle size. F320 means particles average 28–32 microns. F220 means particles average 45–50 microns. Smaller particles create smoother ceramics. Larger particles improve mechanical strength. Choose based on your project’s needs.

Why use boron carbide powder for hot pressing ceramics?
Boron carbide is very hard and lightweight. It resists high heat and wear. Hot pressing compresses the powder under heat. This makes dense, strong ceramics. The method works well for complex shapes.

How should I store and handle this powder?
Keep the powder dry. Moisture causes clumping. Use sealed containers. Avoid direct sunlight. Wear gloves and masks. The powder is abrasive. It can irritate skin and lungs.

What applications suit hot-pressed boron carbide ceramics?
They work in extreme conditions. Common uses include armor plates, bulletproof vests, and cutting tools. Industries like aerospace and nuclear energy use them. They shield against radiation and handle high friction.

How do I get the best results during hot pressing?
Control temperature and pressure carefully. Typical temperatures range 1800–2200°C. Pressure stays around 20–40 MPa. Use a clean, oxygen-free environment. Check powder purity first. Impurities weaken the final product.

(F320 F220 Boron Carbide Powder for Hot Pressing Boron Carbide Ceramics)