Uru nke waya molybdenum doped na Lanthanum

The recrystalization okpomọkụ nkelanthanum-doped molybdenum wayadị elu karịawaya molybdenum dị ọcha, na ọ bụ n'ihi na obere ego nke La2O3 nwere ike imeziwanye njirimara na nhazi nke waya molybdenum.E wezụga, La2O3 nke abụọ na-adọ mmetụta nwekwara ike dịkwuo ụlọ okpomọkụ ike nkemolybdenum wayana melite n'ime ụlọ okpomọkụ brittleness mgbe recrystallization.

moly iwre

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 mkpụrụ osisi 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 ọka equiaxed.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 Nrụmọrụ Igwe Ọkụ nke ime ụlọ: elongation nke waya molybdenum dị ọcha na-abawanye na okpomọkụ na-ekpo ọkụ na-abawanye.Mgbe anneal okpomọkụ na 1200 ℃, elongation ruru kacha uru.Ntugharị ahụ 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-29-2020