Igwe ọkụ recrystallization nke lanthanum-doped molybdenum waya dị elu karịa waya molybdenum dị ọcha, ọ bụkwa n'ihi na obere La2O3 nwere ike imeziwanye njirimara na nhazi nke waya molybdenum. E wezụga nke abụọ, mmetụta La2O3 nke abụọ nwekwara ike ịbawanye ike ụlọ okpomọkụ nke waya molybdenum ma melite nrịkasị nke ụlọ ahụ mgbe recrystallization gasịrị.
Ntụle okpomoku recrystallization: O doro anya na agbasawanye microstructure nke waya molybdenum dị ọcha na 900 ℃ ma megharịa ya na 1000 ℃. Site na mmụba okpomọkụ na-ebelata, mkpụrụ ọka recrystallization na-abawanye, anụ ahụ fibrous na-ebelata nke ukwuu. Mgbe okpomọkụ na-ekpo ọkụ ruru 1200 ℃, waya molybdenum emezigharịla kpamkpam, na microstructure ya na-egosi otu mkpụrụ ọka recrystallized na-enweghị atụ. Ka ọnọdụ okpomọkụ na-abawanye, ọka na-eto eto na-ekwekọghị ekwekọ ma na-egosi oke ọka. Mgbe annealed na 1500 ℃, molybdenum waya dị mfe ịgbaji, na usoro ya na-egosi keadighi rarii equiaxed ọka. Nhazi eriri nke lanthanum-doped molybdenum waya gbasapụrụ mgbe agbachara ya na 1300 ℃, na udi yiri eze pụtara n'ókè nke eriri ahụ. Na 1400 ℃, ọka ndị recrystallized pụtara. N'ihe dị ka 1500 ℃, eriri eriri ahụ belatara nke ọma, na nhazigharị nke recrystallized pụtara n'ụzọ doro anya, ọka ndị ahụ toro n'ụzọ na-ezighi ezi. The recrystallization okpomọkụ nke lanthanum-doped molybdenum waya dị elu karịa nke dị ọcha molybdenum waya, nke bụ tumadi n'ihi mmetụta nke La2O3 nke abụọ akụkụ ahụ. Usoro nke abụọ nke La2O3 na-egbochi ịkwaga oke oke ọka na uto ọka, si otú a na-abawanye okpomọkụ recrystallization.
Ntụle nrụnye arụrụ arụ n'ime ụlọ okpomọkụ: elongation nke waya molybdenum dị ọcha na-abawanye site na ikpo ọkụ na-abawanye. Mgbe anneal okpomọkụ na 1200 ℃, elongation ruru kacha uru. elongation na-ebelata ka okpomọkụ anneal na-abawanye. Annealed na 1500 ℃, na elongation ya fọrọ nke nta ka hà efu. Mgbatị nke La-doped molybdenum waya yiri waya molybdenum dị ọcha, na elongation ọnụego erute kacha mgbe annealed na 1200 ℃. Mgbe ahụ elongation na-ebelata na okpomọkụ na-abawanye. Naanị ihe dị iche bụ ọnụ ọgụgụ mbelata dị nwayọọ. Ọ bụ ezie na elongation nke lanthanum-doped molybdenum waya na-eji nwayọọ nwayọọ mgbe annealing na 1200 ℃, elongation dị elu karịa ọcha molybdenum waya.
Oge nzipu: Dec-19-2021