Kedu ihe a na-eji tungsten hexafluoride?

2023-09-04

Kedu ihe a na-eji tungsten hexafluoride?

Tungsten hexafluoridebụ gas na-enweghị agba, nke na-egbu egbu na nke na-emebi emebi nke nwere ihe dị ka 13 g / L, nke dị ihe dị ka okpukpu 11 karịa njupụta nke ikuku na otu n'ime gas ndị kasị njọ. N'ime ụlọ ọrụ semiconductor, a na-ejikarị tungsten hexafluoride mee ihe na ntinye mmiri nke kemịkalụ (CVD) iji tinye ọla tungsten. Enwere ike iji ihe nkiri tungsten a na-echekwa dị ka eriri njikọ nke site na oghere na oghere kọntaktị, ma nwee njirimara nke nguzogide dị ala na ebe mgbaze dị elu. A na-ejikwa Tungsten hexafluoride mee ihe na etching chemical, etching plasma na usoro ndị ọzọ.

Kedu ihe bụ gas na-adịghị egbu egbu?

Nke kachasị oke gas na-adịghị egbu egbu bụ argon (Ar) nwere njupụta nke 1.7845 g / l. Argon bụ gas inert, enweghị agba na isi ísì, ọ naghịkwa eme ngwa ngwa na ihe ndị ọzọ. A na-ejikarị gas argon na nchekwa gas, ịgbado ọkụ ígwè, ịkpụ ígwè, laser na ubi ndị ọzọ.

Tungsten ọ dị ike karịa titanium?

Tungsten na titanium bụ ihe ọla edo nwere isi agbaze na ike dị elu. Ebe mgbaze nke tungsten bụ 3422 ° C na ike bụ 500 MPa, ebe mgbaze nke titanium bụ 1668 ° C na ike bụ 434 MPa. Ya mere, tungsten dị ike karịa titanium.

Kedu ka tungsten hexafluoride si egbu egbu?

Tungsten hexafluoridebụ gas na-egbu egbu nke ukwuu nke nwere ike imebi ahụ mmadụ ma ọ bụrụ na akuru ya. LD50 nke tungsten hexafluoride bụ 5.6 mg / kg, ya bụ, iku ume nke 5.6 mg nke tungsten hexafluoride kwa kilogram nke ịdị arọ ahụ ga-eme ka ọnụọgụ ọnwụ 50%. Tungsten hexafluoride nwere ike kpasuo traktị iku ume, na-ebute mgbaàmà dịka ụkwara, njigide obi, na dyspnea. Ọnọdụ siri ike nwere ike ibute edema akpa ume, ọdịda iku ume na ọbụna ọnwụ.

Tungsten ọ ga-ata nchara?

Tungsten agaghị agba nchara. Tungsten bụ metal inert nke na-adịghị eme ngwa ngwa na ikuku oxygen. Ya mere, tungsten agaghị agba nchara na okpomọkụ nkịtị.

Acid nwere ike imebi tungsten?

Acids nwere ike imebi tungsten, mana ọ na-eji nwayọ nwayọ. Acid siri ike dị ka sulfuric acid na-etinye uche na ya na hydrochloric acid nwere ike imebi tungsten, mana ọ na-ewe ogologo oge. Acid adịghị ike dị ka itughari sulfuric acid na dilute hydrochloric acid nwere mmetụta corrosion na-adịghị ike na tungsten.

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