Ngenxa yokuqina kwezinga lokushisa eliphezulu, ukumelana nokufuduka kwama-electron aphezulu kanye ne-coefficient ephezulu yokukhishwa kwe-electron ye-refractory tungsten nama-tungsten alloys, okuhlosiwe kwe-high-purity tungsten kanye ne-tungsten alloy target isetshenziselwa ikakhulukazi ukukhiqiza ama-electrode amasango, izintambo zokuxhuma, izingqimba ze-diffusion barrier, njll. amasekethe ahlanganisiwe, futhi anezidingo eziphezulu zokuhlanzeka, okuqukethwe kwesici sokungcola, ukuminyana, usayizi wokusanhlamvu nokufana kwesakhiwo sokusanhlamvu.Manje ake sibheke izici ezithinta ukulungiswa kwethagethi ye-tungsten ephezulu.
1. Umphumela wokushisa we-sintering
Inqubo yokwakheka kombungu ohlosiwe we-tungsten ngokuvamile yenziwa ngokucindezela okubandayo kwe-isostatic.Izinhlamvu ze-tungsten zizokhula ngesikhathi senqubo yokucwilisa.Ukukhula kokusanhlamvu kwe-tungsten kuzovala igebe phakathi kwemingcele yokusanhlamvu, ngaleyo ndlela kuthuthukise ukuminyana kwethagethi ye-tungsten.Ngokukhula kwezikhathi zokucwilisa, ukwanda kwethagethi ye-tungsten kuncipha kancane kancane.Isizathu esiyinhloko ukuthi ngemva kokwenza okuningi, ikhwalithi yethagethi ye-tungsten ayizange ishintshe kakhulu.Ngenxa yokuthi ama-void amaningi emngceleni wokusanhlamvu agcwaliswa ngamakristalu e-tungsten, ngemva kokucwiliswa ngakunye, izinga lokushintshwa kosayizi lilonke lethagethi ye-tungsten libe lincane kakhulu, okuholele esikhaleni esilinganiselwe ukuze kukhule ukuminyana kwethagethi ye-tungsten.Ngenqubo ye-sintering, izinhlamvu ze-tungsten esezikhulile zigcwaliswa ku-voids, okuholela ekumineni okuphezulu kwethagethi enosayizi wezinhlayiyana ezincane.
2. Umphumela wokubamba isikhathi
Ngezinga lokushisa elifanayo le-sintering, ukubumbana kwethagethi ye-tungsten kuzothuthukiswa ngokwandiswa kwesikhathi sokubamba se-sintering.Ngokwandiswa kwesikhathi sokubamba, usayizi wokusanhlamvu we-tungsten uzokwanda, futhi ngokwandiswa kwesikhathi sokubamba, izikhathi zokukhula zosayizi wokusanhlamvu zizohamba kancane kancane, okusho ukuthi ukwandisa isikhathi sokubamba nakho kungathuthukisa ukusebenza kwe i-tungsten target.
3. Umthelela wokugingqika ezakhiweni eziqondiwe
Ukuze uthuthukise ukuminyana kwezinto ezihlosiwe ze-tungsten futhi uthole isakhiwo sokucutshungulwa kwezinto ezihlosiwe ze-tungsten, ukugoqa okuphakathi kwezinga lokushisa kwezinto ezihlosiwe ze-tungsten kufanele kwenziwe ngaphansi kwezinga lokushisa eliphindwe kabusha.Uma izinga lokushisa eliginqikayo le-billet eqondiwe liphezulu, ukwakheka kwefayibha ye-billet eqondiwe kuzoba mahholo, futhi ngokuphambene nalokho.Lapho izinga lokugoqa elifudumele lifinyelela ngaphezu kwama-95%.Nakuba umehluko wesakhiwo sefayibha esibangelwa izinhlamvu zangempela ezihlukene noma amazinga okushisa ahlukene azoqedwa, ukwakheka kwangaphakathi kokuhlosiwe kuzokwakha ukwakheka kwefayibha ecishe ifane, ngakho-ke uma liphezulu izinga lokucubungula lokuginqika okufudumele, kuba ngcono ukusebenza kokuhlosiwe.
Isikhathi sokuthumela: Feb-15-2023