Tantalum carbide (TaC)wani abu ne na yumbu mai zafin jiki mai tsananin zafi tare da juriya mai zafi, babban yawa, babban ƙarfi; babban tsarki, ƙazanta abun ciki <5PPM; da rashin kuzarin sinadarai zuwa ammonia da hydrogen a yanayin zafi mai zafi, da kwanciyar hankali mai kyau.
Abubuwan da ake kira ultra-high zafin jiki yumbu (UHTCs) yawanci suna nufin wani nau'in kayan yumbura tare da ma'anar narkewa fiye da 3000 ℃ kuma ana amfani da su a cikin yanayin zafi mai girma da kuma wurare masu lalata (kamar yanayin oxygen atomic) sama da 2000 ℃, kamar su. ZrC, HfC, TaC, HfB2, ZrB2, HfN, da dai sauransu.
Tantalum carbideyana da wani narkewa batu na har zuwa 3880 ℃, yana da high taurin (Mohs hardness 9-10), babban thermal conductivity (22W · m-1 · K-1), babban lankwasawa ƙarfi (340-400MPa), da kuma kananan thermal fadada coefficient (6.6 × 10-6K-1), kuma yana nuna kyakkyawan kwanciyar hankali na thermochemical da kyawawan kaddarorin jiki. Yana da kyakyawan daidaituwar sinadarai da dacewa da injina tare da graphite da abubuwan haɗin C/C. Don haka,TaC shafiana amfani da su sosai a cikin kariyar yanayin iska, haɓakar kristal guda ɗaya, na'urorin lantarki, da na'urorin likitanci.
Tantalum carbide (TaC)memba ne na dangin yumbura mai tsananin zafi!
Kamar yadda jiragen sama na zamani irin su motocin sararin samaniya, roka, da makamai masu linzami ke haɓaka zuwa ga babban gudu, babban tuƙi, da tsayi mai tsayi, buƙatun juriya na zafin jiki mai ƙarfi da juriya na iskar oxygen da kayan saman su a cikin matsanancin yanayi suna ƙaruwa da girma. Lokacin da jirgin sama ya shiga sararin samaniya, yana fuskantar matsanancin yanayi kamar tsananin zafi mai zafi, matsanancin matsananciyar matsatsi, da saurin zazzagewar iska, da kuma zubar da sinadarai sakamakon halayen oxygen, tururin ruwa, da carbon dioxide. Lokacin da jirgin ya tashi daga ciki kuma ya shiga cikin sararin samaniya, iskar da ke kewaye da mazugi na hanci da fuka-fukinsa za su kasance da matsewa sosai kuma su haifar da firgita da saman jirgin, wanda zai sa samansa ya yi zafi ta hanyar iska. Baya ga zafin da ake yi a sararin samaniyar jirgin, haka nan za a yi amfani da hasken rana da hasken muhalli da dai sauransu a saman jirgin, lamarin da zai sa yanayin saman jirgin ya ci gaba da hauhawa. Wannan canjin zai yi tasiri sosai ga matsayin sabis na jirgin.
Tantalum carbide foda memba ne na dangin yumbu mai jure zafin zafin jiki. Matsayinsa na narkewa da kyakkyawan kwanciyar hankali na thermodynamic ya sa TaC ke amfani da shi sosai a ƙarshen zafi na jirgin sama, alal misali, yana iya kare murfin saman injin bututun roka.
Lokacin aikawa: Agusta-06-2024