{"id":169,"count":5,"description":"
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\"\"Productnaam<\/strong>
\r\nHoogzuivere Aluminiumoxide Kroes (Al\u2082O\u2083)<\/p>\r\n

Introductie van Hoogzuivere Aluminiumoxide Keramische Kroes<\/strong>
\r\n<\/strong>De zuiverheid van hoogzuiver aluminiumoxidemateriaal ligt doorgaans tussen 95% en 99,7%. Aluminiumoxide kroezen worden veel gebruikt in de industri\u00eble productie en in laboratoriumomgevingen. Ze behoren tot de meest gangbare keramische kroezen vanwege hun volwassen technologie, uitgebalanceerde eigenschappen en relatief lage kosten. Aluminiumoxide kroezen zijn geschikt voor gebruik in middel- en hoogfrequente inductieovens, elektrische ovens en vacu\u00fcmovens, waar ze dienstdoen als verwarmingscontainers.
\r\nIn de hoogwaardige metallurgie worden aluminiumoxide kroezen vaak gebruikt als voeringen. Om een hogere zuiverheid van het gesmolten metaal te bereiken en besmetting door direct contact met aluminiumoxide te voorkomen, is hoogzuiver aluminiumoxide vereist voor de productie van kroezen. In sommige gevallen is extra plasma-spuiten noodzakelijk. Bijvoorbeeld: bij het smelten van titaniumlegeringen wordt een Y\u2082O\u2083-coating aangebracht op het binnenoppervlak van de kroes.
\r\nEen van de belangrijkste nadelen van keramische kroezen is hun relatief lage thermische schokbestendigheid, wat hun levensduur en het aantal gebruikscycli beperkt.<\/p>\r\n<\/div>\r\n

NEEM CONTACT MET ONS OP<\/a><\/p>\r\n

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Verkrijgbare Typen Aluminiumoxide Kroes<\/strong>
\r\n1. Vormopties van Al\u2082O\u2083-kroezen:
\r\nCilindrische Aluminiumoxide Kroes (Standaardtype)
\r\nConische Aluminiumoxide Kroes (Makkelijk te gieten type)
\r\nPlatte Aluminiumoxide Kroes (Type met groot oppervlak)
\r\nRechthoekige Aluminiumoxide Kroes
\r\nBootvormige Aluminiumoxide Kroes
\r\nGeflensde Aluminiumoxide Kroes
\r\nAangepaste Aluminiumoxide Kroes (Op maat gemaakt volgens klantspecificaties)<\/p>\r\n

2.Sizes of Al2O3 Crucible:
\r\nSmallest Size Alumina Crucible: 0.063 mL (OD 5 mm \u00d7 H 5 mm \u00d7 Th 0.5 mm)
\r\nLargest Size Alumina Crucible: 72,380 mL (OD 500 mm \u00d7 H 400 mm \u00d7 Th 10 mm)
\r\nCustom Sizes: Available upon request<\/p>\r\n<\/div>\r\n

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Technische Parameters van Aluminiumoxide Kroezen<\/strong>
\r\n1. Materiaalspecificaties:
\r\nFour purity levels of Alumina Content: \u226795% Al2O3\uff0c\u226799% Al2O3\uff0c\u226799.7% Al2O3, \u226799.99%
\r\nVier dichtheidsniveaus van aluminiumoxide:\n3,72 g\/cm\u00b3, 3,90 g\/cm\u00b3, 3,92 g\/cm\u00b3, 3,98 g\/cm\u00b3<\/p>\r\n

2. Prestatiekenmerken:
\r\nVier zuiverheidsniveaus van de lineaire uitzettingsco\u00ebffici\u00ebnt (C.T.E.) bij 25\u00b0\u2013600\u00b0C:
\r\n7.7\u00d7 10\u207b\u2076 \/\u00b0C, 7.6\u00d7 10\u207b\u2076 \/\u00b0C 8.0\u00d7 10\u207b\u2076 \/\u00b0C 8.1\u00d7 10\u207b\u2076 \/\u00b0C<\/p>\r\n

Maximale bedrijfstemperatuur: 1650\u00b0C<\/p>\r\n<\/div>\r\n<\/div>\r\n

Toepassingen van Hoogzuivere Aluminiumoxide Kroezen:<\/strong>
\r\nChemische analyse-experimenten
\r\nVerwerking van halfgeleidermaterialen
\r\nPrecisiegieten
\r\nVerwerking van zeldzame aardmaterialen
\r\nSmelten van speciale legeringen
\r\nMateriaalverdamping in PVD-processen<\/p>\r\n

Kwaliteitscertificering:<\/strong>
\r\nGecertificeerd volgens het ISO 9001 Kwaliteitsmanagementsysteem.<\/p>\r\n

Reinigingsstappen voor de Kroes:<\/strong><\/p>\r\n

    \r\n
  1. Week in 0,1 M KOH-oplossing gedurende 15\u201320 minuten.<\/li>\r\n
  2. Rinse thoroughly with deionized water.<\/li>\r\n
  3. Ultrasoon reinigen gedurende 60 minuten met fijn poederwasmiddel (2 eetlepels in 200 ml water).<\/li>\r\n
  4. Spoel opnieuw met gede\u00efoniseerd water.<\/li>\r\n
  5. Week in aceton en reinig ultrasoon gedurende 20 minuten.<\/li>\r\n
  6. Herhaal dit met isopropanol voor nog eens 20 minuten.<\/li>\r\n
  7. Drogen bij 70\u00b0C gedurende minimaal 40 minuten. Alternatief: verhit op hoge temperatuur om organische resten te verwijderen.<\/li>\r\n<\/ol>\r\n

    Voordelen van Al\u2082O\u2083-kroezen geproduceerd door WEIERT Ceramic:<\/strong>
    \r\n10 jaar ervaring in geavanceerde keramiek: specialistisch in keramische kroesmaterialen.
    \r\nInnovatie in productieprocessen: gericht op maximale kostenreductie en concurrerende prijzen.
    \r\nUltrahoge zuiverheid van grondstoffen: kwaliteitsgarantie van de kroezen.
    \r\nNauwkeurige maatvoeringstolerantie: \u2264 \u00b10,1 mm.
    \r\nOppervlakteruwheid: Ra \u2264 1.6 \u03bcm.<\/p>\r\n

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