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I-Molybdenum Lanthanum (MoLa) Amacwecwe engxubevange

Inkcazelo emfutshane:

Ingxubevange ye-MoLa inokwakheka okuhle kuwo onke amanqanaba ebakala xa ithelekiswa nemolybdenum esulungekileyo ekwimeko efanayo.Imolybdenum esulungekileyo iphinda ibe yikristale malunga ne-1200 °C kwaye iba brittle kakhulu inobude obungaphantsi kwe-1%, nto leyo eyenza ukuba ingenzeki kule meko.

Ingxubevange ye-MoLa kwipleyiti kunye neefomu zeshiti zisebenza ngcono kune-molybdenum esulungekileyo kunye ne-TZM kwizicelo zobushushu obuphezulu.Oko kungaphezulu kwe-1100 °C kwi-molybdenum nangaphezulu kwe-1500 °C kwi-TZM.Obona bushushu bucetyiswayo kakhulu kwi-MoLa yi-1900 °C, ngenxa yokukhutshwa kwamasuntswana e-lanthana ukusuka kumphezulu wobushushu obungaphezulu kwe-1900 °C.

"Ixabiso elingcono" i-alloy ye-MoLa yile iqulethe i-0.6 wt % lanthana.Ibonisa eyona ndibaniselwano yezakhiwo.Ingxubevange yeLanthana yeMoLa ilingana endaweni yeMo esulungekileyo kuluhlu lobushushu obuyi-1100 °C - 1900 °C.Iingenelo zeLanthana MoLa ephezulu, njengokuxhathisa okuphezulu kwe-creep, ziyenzeka kuphela, ukuba imathiriyeli iphinda iphinde isetyenziswe kumaqondo obushushu aphezulu.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Uhlobo kunye nobukhulu

a

Iimbonakalo

0.3 wt.% Lanthana
Ithathwa njengethathela indawo ye-molybdenum ecocekileyo, kodwa nobomi obude ngenxa yokwanda kokuxhathisa kwayo
Ukonakala okuphezulu kwamaphepha amancinci;ukugoba kuyafana kungakhathaliseki, ukuba ukugoba kwenziwa kwiindlela zobude okanye ezinqamlezayo

0.6 wt.% Lanthana
Inqanaba eliqhelekileyo le-doping kwishishini lesithando somlilo, ethandwa kakhulu
Udibanisa amandla okushisa aphezulu awamkelwe ngokubanzi kunye nokumelana nokunyuka - kuthathwa njengeyona nto "yexabiso elingcono".
Ukonakala okuphezulu kwamaphepha amancinci;ukugoba kuyafana kungakhathaliseki, ukuba ukugoba kwenziwa kwiindlela zobude okanye ezinqamlezayo

1.1 wt.% Lanthana
Ukuchasa okunamandla kwe-warpage
Iimpawu zamandla aphezulu
Ubonisa eyona nkqubela iphezulu yokuxhathisa kuwo onke amabanga anikiweyo
Izicelo zamalungu abunjiweyo zifuna umjikelo we-anneal crystallizing

Usetyenziso

I-Molybdenum lanthanum alloy plate isetyenziselwa ukuvelisa i-tungsten kunye ne-electrode ye-molybdenum, izinto zokufudumeza, ikhuselo lobushushu, isikhephe esine-sintered, ipleyiti esongiweyo, ipleyiti ephantsi, i-sputtering target, i-electronics kunye ne-crucible for vacuum.I-La2O3 iqulethwe kwipleyiti ye-MoLa ukunqanda intshukumo engalunganga ye-molybdenum grain kunye nokuphinda kubekho icrystallization yesingqi esicothayo phantsi kobushushu obuphezulu.Ukusetyenziswa kwepleyiti ye-molybdenum lanthanum kunye nobomi benkonzo buphuculwe kakhulu.Umphezulu wepleyiti ye-alloy ye-MoLa esiyivelisayo igudile, akukho nqanaba, akukho lamination, akukho kuqhekeka okanye ukungcola.


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