Zotsatira za chithandizo cha cryogenic pamakina amakina a simenti ya carbide

The makina katundu wasimenti carbidezimawonetsedwa makamaka pakuuma, mphamvu yosinthasintha, mphamvu yopondereza, kulimba kwamphamvu, mphamvu ya kutopa, ndi zina zambiri.

Kaya chithandizo cha cryogenic chikhoza kupititsa patsogolo makina a carbide opangidwa ndi simenti ndi njira yabwino kwambiri yowonetsera mphamvu ya teknoloji ya cryogenic.Liu Yajun et al.adachita chithandizo cha cryogenic pa YW1masamba a carbide.Zotsatira zinasonyeza kuti pambuyo pa chithandizo cha cryogenic, microhardness ya mtundu uwu wacarbidemasamba adakwera kuchokera ku 1764HV mpaka 2263.7HV, ndipo kulimba kwa Rockwell kudakwera kuchokera ku 90HRA mpaka 92HRA.Jiang et al.anaika YG8 simenti carbide mu malo otsika kutentha 77K mankhwala cryogenic ndipo anapeza kuti kuuma kwake ndi compressive mphamvu kuchuluka ndi 4.9% ndi 10.1% motero.

Chen Zhenhua et al.adapezanso zotsatira zofanana pambuyo mankhwala cryogenic wa kalasi yemweyo wasimenti carbide.Zhang Pingping adayika YG6X yopangidwa bwino ndi simenti ya carbide m'bokosi la cryogenic la chithandizo cha cryogenic ndipo adapeza kuti mphamvu yopindika ndi mphamvu yokakamiza idakwera ndi 7.6% ndi 10.8% motsatana.Chen Hongwei adazizidwa kaleYG15 carbide yopangidwa ndi simentindiyeno nkumizidwa mu nayitrogeni wamadzimadzi kuti muchiritse cryogenic.The zotsatira anasonyeza kuti poyerekeza ndi pamaso cryogenic mankhwala, mphamvu kupindaYG15 carbide yopangidwa ndi simentiwasintha mpaka +5.19% sabata.Kuphatikiza apo, palinso malipoti okhudza chithandizo cha cryogenic kupititsa patsogolo makina amakina monga kulimba komanso kutopa kwamphamvu.simenti carbide.Pakalipano, kafukufuku wamaphunziro apakhomo ndi akunja okhudzana ndi makina a carbide opangidwa ndi simenti pambuyo pa chithandizo cha cryogenic makamaka amayang'ana mbali ziwiri: kuuma (kuphatikizapo kuuma kwa Rockwell ndi Vickers kuuma) ndi mphamvu yosinthasintha.Kusiyanasiyana kwa magwiridwe antchito kumakhudza kwambiri.Zithunzi za 1 ndi 2 zikufotokozera mwachidule za kusintha kwa kuuma ndi kusinthasintha kwa mphamvu ya WC-Co cemented carbide ndi Co content pambuyo pa chithandizo cha cryogenic, ndipo njira zawo zosinthira zimakambidwa.