Lanthanate tungsten Alloy Rod
Tsanangudzo
Lanthanate tungsten inonzi oxidized lanthanum doped tungsten alloy, yakakamurwa seyakaiswa oxidized rare earth tungsten (W-REO).Kana yakaparadzirwa lanthanum oxide yawedzerwa, lanthanated tungsten inoratidzira kukwidziridzwa kwekupisa, kudziya kwekushisa, kunyura, uye tembiricha yakakwira recrystallization.Izvi zvakatanhamara zvivakwa zvinobatsira lanthanate tungsten maelectrode kuita yakasarudzika muarc yekutanga kugona, arc erosion resistance, uye arc kugadzikana uye controllability.
Properties
Kashoma pasi oxide doped tungsten electrodes, akadai W-La2O3 uye W-CeO2, ane akawanda epamusoro welding maitiro.Rare earth oxide doped tungsten electrodes inomiririra yakanakisa zvivakwa pakati pemagetsi eGasi Tungsten Arc Welding (GTAW), iyo inozivikanwawo seTungsten Inert Gasi (TIG) welding uye Plasma Arc Welding (PAW).Iwo maokisi akawedzerwa kune tungsten akawedzera tembiricha yekristalllization uye, panguva imwecheteyo, akasimudzira nhanho yekubuda nekudzikisa elektroni basa basa retungsten.
| Oxide Rare Earth Properties uye Kuumbwa muTungsten Alloy | ||||
| Mhando yemaokisi | ThO2 | La2O3 | CeO2 | Y2O3 |
| Melting point oC | 3050(Th: 1755) | 2217(La: 920) | 2600(Ce: 798) | 2435(Y: 1526) |
| Kupisa kwekuora.Kj | 1227.6 | 1244.7 | (523.4) | 1271.1 |
| Mhando yeokisidhi mushure mekupisa | ThO2 | La2O3 | CeO2(1690)oC | Y2O3 |
| Reaction ne tungsten | Kuderedzwa kweThO2by W kunoitika.kuumba yakachena Th. | Kugadzira tungstate uye oxytungstate | Kugadzira tungstate | Kugadzira tungstate |
| Kugadzikana kwemaokisi | Kudzikama kwakaderera | Kugadzikana kwepamusoro | Kugadzikana kunonzwisisika pamupendero we electrode asi kudzika kwakadzika pamuromo | Kugadzikana kwepamusoro |
| Oxide uremu% | 0.5 - 3 | 1-3 | 1-3 | 1-3 |
Features
Yedu lanthanated tungsten zvigadzirwa zvinosanganisira WLa10 (La2O3 1-1.2 wt.%), WLa15 (La2O3 1.5-1.7 wt.%), uye WLa20 (La2O3 2.0-2.3 wt.%). zviyero zvehuwandu hwemaapplication.Tinopa lanthanated tungsten electrodes yeTungsten Inert Gasi (TIG) welding, resistant welding, uye plasma spraying.Isu tinopawo hombe dhayamita WLa tsvimbo kuti ishandiswe mune semiconductor zvikamu uye yakakwirira-tembiricha mavira.
Applications
WLa TIG welding electrodes inotangwa nyore arc uye yakasimba kwazvo.WLa plasma yekupfapfaidza maelectrodes anoratidza kupikisa kwakanyanya kune ese arikukukurwa nearc uye tembiricha yepamusoro uye ane yepamusoro kupisa conductivity.WLa resistance welding electrode ine yakakwira yekunyungudika uye inopa yakanakisa kushanda kugadzikana.
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