Cemented carbide ndi chinthu chopangidwa ndi alloy chomwe chimapangidwa kudzera muukadaulo waukadaulo wazitsulo. Amapangidwa makamaka ndi zitsulo zolimba zazitsulo zokanira ndi zitsulo zomangira.

Zigawo zazikulu za carbide zomangidwa ndi simenti zimaphatikizapo ufa wonyezimira wa carbide monga tungsten carbide ndi titaniyamu carbide, komanso ufa wachitsulo womwe umagwiritsidwa ntchito ngati zomangira, monga cobalt ndi faifi tambala. Nkhaniyi imadziwika chifukwa cha kuuma kwake kwakukulu, kukana kuvala, mphamvu ndi kulimba, kukana kutentha ndi kukana kwa dzimbiri, makamaka pa kutentha kwakukulu posunga zinthuzi. Kulimba ndi kulimba kwa carbide yopangidwa ndi simenti sikusinthika pa 500 ° C, ndipo imatha kukhalabe yolimba kwambiri pa 1000 ° C. Chifukwa chake, amagwiritsidwa ntchito kwambiri popanga zida zodulira, zida zobowola, zida zoyezera, nkhungu zozizira zogwira ntchito ndi magawo osiyanasiyana osamva.

Zigawo zazikulu za carbide zomangidwa ndi simenti zimaphatikizapo ufa wonyezimira wa carbide monga tungsten carbide ndi titaniyamu carbide, komanso ufa wachitsulo womwe umagwiritsidwa ntchito ngati zomangira, monga cobalt ndi faifi tambala. Nkhaniyi imadziwika chifukwa cha kuuma kwake kwakukulu, kukana kuvala, mphamvu ndi kulimba, kukana kutentha ndi kukana kwa dzimbiri, makamaka pa kutentha kwakukulu posunga zinthuzi. Kulimba ndi kulimba kwa carbide yopangidwa ndi simenti sikusinthika pa 500 ° C, ndipo imatha kukhalabe yolimba kwambiri pa 1000 ° C. Chifukwa chake, amagwiritsidwa ntchito kwambiri popanga zida zodulira, zida zobowola, zida zoyezera, nkhungu zozizira zogwira ntchito ndi magawo osiyanasiyana osamva.

Lili ndi zinthu zotsatirazi:

1. Kuuma kwakukulu: Kulimba kwa carbide yopangidwa ndi simenti nthawi zambiri kumakhala kokwera kwambiri kuposa zitsulo wamba, zomwe zimapangitsa kuti zisawonongeke kuvala ndi kudula. （ Nthawi zambiri pakati pa 80HRA-94HRA)

2. Mphamvu yapamwamba: Carbide ili ndi mphamvu zambiri, imatha kupirira kupanikizika kwakukulu ndi katundu, ndipo sizovuta kupunduka kapena kusweka. (Nthawi zambiri TRS pakati pa 2000-3200 Mpa)

3. Kukaniza kuvala: Chifukwa cha kuuma kwake kwakukulu, carbide imakhala ndi kukana kwabwino kwambiri ndipo ndiyoyenera kugwiritsa ntchito zomwe zimafuna kukana kwanthawi yayitali.

4. Kukana kwa dzimbiri: Carbide imakhala ndi mphamvu zotsutsana ndi zowonongeka zambiri ndipo imatha kupitirizabe kugwira ntchito m'madera ovuta.

5. Kukhazikika kwa kutentha kwapamwamba: Ikhoza kusunga katundu wake wakuthupi ndi mankhwala pa kutentha kwakukulu ndipo sikophweka kufewetsa kapena kupunduka.

6. Mayendedwe abwino a magetsi ndi matenthedwe: Carbide ina yopangidwa ndi simenti imakhala ndi mphamvu yabwino yamagetsi ndi matenthedwe, zomwe zimapangitsa kuti zikhale zothandiza pazinthu zamagetsi ndi kayendetsedwe ka kutentha.

Izi zimapanga carbide ya simenti yomwe imagwiritsidwa ntchito kwambiri popanga zida, makina, zakuthambo, petrochemical ndi zina. Mitundu yosiyanasiyana ya carbide imatha kupangidwa kuti ikwaniritse zosowa zenizeni posintha kapangidwe kake ndi kupanga. Komabe, magwiridwe antchito amatha kusiyanasiyana kutengera kapangidwe ka carbide, kapangidwe kake komanso kupanga. Pakugwiritsa ntchito, zida zoyenera za carbide ziyenera kusankhidwa malinga ndi momwe zimagwiritsidwira ntchito komanso zofunikira.

CD carbide ndi akatswiri mu zinthu tungsten carbide monga kuvala kukana mbali, zida migodi, zida kudula ndi zina zotero.