Tokisetso ea High Density Tungsten Alloy

Tungsten alloy ke motsoako oa mekhahlelo e 'meli o nang le sekhahla se phahameng (216.5g/cm3), se tsejoang hape e le alloy ea tungsten e phahameng. Li-alloys tsa tungsten tse phahameng haholo ha li sebelisoe feela haholo ho lifofane, lifofane, libetsa le liindasteri tse ling tsa sesole, empa hape le ho feta indastering ea sechaba. 

Mokhoa oa ho lokisa alloy ea tungsten e phahameng haholo ke baetsi ba likepe tsa tungsten ke ka tsela e latelang:

1. Moqapi oa motsoako

Ka li-alloys tsa tungsten tse phahameng haholo, litaba tsa tungsten hangata ke 85-98wt%. Ho phaella ho likarolo tse ling, likarolo tse ngata ka ho fetisisa tsa li-alloys tsa tungsten tse phahameng ke Ni, Fe (Cu, joalo-joalo).

2. Ho sila

Li-alloys tse nang le thepa e ntle ea mochine li ka lokisoa ho tloha ho phofo e nang le bohloeki bo phahameng, boholo ba likaroloana tse nyenyane le ho tšoana hantle. Lefapheng la ho etsa phofo, nano-powders ke sebaka sa lipatlisiso, haholo-holo ka mekhahlelo e 'meli e latelang:

1) Ho fafatsa mokhoa oa ho omisa

Mokhoa oa ho omisa ka ho fafatsa ke ho lokisa motsoako oa pele oa letsoai ka motsoako o itseng. Tharollo ea letsoai e kenyelletsa tungstate le metal chloride, joalo-joalo, 'me tharollo e etsoa ka atomized ho hlahisa marotholi a manyenyane. Ka lebaka la ho fetoha mouoane ka potlako ea solvent ka marotholi a manyenyane le

Ho kenngoa ka potlako ha solute ho fella ka kristale ea phofo e nang le lik'hemik'hale tse tšoanang.

2) Mechanical alloying mokhoa

Mokhoa oa ho kopanya ka mochine ke ho khetha karolo e itseng ea phofo ea pele ea tungsten alloy le libolo tsa tšepe ebe o li kenya ka har'a leloala la bolo. Homogeneous motsoako phofo.

3. Ho theha

Mokhoa o tloaelehileng oa ho etsa li-tungsten alloy ke ho etsa compression, 'me mekhoa e mecha ke ho bopa ha phofo le ente ea phofo. Kaha mekhoa ena e 'meli e kopanya phofo ea khauta ea tungsten le sesebelisoa sa ho bopa ebe e li ntša ka har'a mochini o etsang, li ka lokisa likarolo tse nang le libopeho tse rarahaneng mme li na le melemo e meholo. Powder extrusion molding, le thekenoloji ea ho etsa ente ea phofo Hape ka lebaka la ho eketsoa ha li-agents, e na le ts'ebetso e pharaletseng.

4. Ho senya

Kaha mokhoa o tiileng oa sintering o na le litlhoko tse phahameng ka boholo ba phofo ea alloy ea pele, mokhoa oa sintering oa mokelikeli o na le nako e telele ea sintering 'me o atisa ho oa le ho senyeha. Ho ipapisitsoe le melemo le bofokoli ba tse peli, ho etsoa tlhahiso ea mehato e 'meli ea sintering ea solid-phase sintering le liquid-phase sintering. Ka lebaka la deformation e nyane nakong ea sintering ea mehato e 'meli, motsoako oa tungsten o fumanoeng o na le sebopeho se ts'oanang le thepa ea thepa e tla ntlafatsoa haholo, kahoo sintering ea mehato e' meli e sebelisoa haholo. Ho feta moo, theknoloji e ncha e nchafalitsoeng ea microwave sintering le spark plasma sintering le eona e ntse e khothaletsoa le ho sebelisoa lilemong tsa morao tjena.