Menene tungsten hexafluoride ake amfani dashi?

2023-09-04

Menene tungsten hexafluoride ake amfani dashi?

Tungsten hexafluorideiskar gas ce mara launi, mai guba kuma mai lalatawa mai nauyin kusan 13 g/l, wanda ya kai ninki 11 na iskar iska kuma daya daga cikin mafi yawan iskar gas. A cikin masana'antar semiconductor, tungsten hexafluoride ana amfani dashi da yawa a cikin tsarin tururin sinadarai (CVD) don saka ƙarfe tungsten. Za a iya amfani da fim din tungsten da aka ajiye a matsayin layin haɗin kai ta hanyar ramuka da ramukan lamba, kuma yana da halaye na ƙananan juriya da babban narkewa. Hakanan ana amfani da tungsten hexafluoride a cikin etching sinadarai, etching plasma da sauran matakai.

Menene mafi yawan iskar gas mara guba?

Mafi yawan iskar gas mara guba shine argon (Ar) tare da nauyin 1.7845 g/l. Argon iskar gas ne mara amfani, mara launi da wari, kuma baya saurin amsawa da wasu abubuwa. An fi amfani da iskar Argon a cikin kariya ta iskar gas, walda ƙarfe, yankan ƙarfe, Laser da sauran fannoni.

Shin tungsten ya fi titanium ƙarfi?

Tungsten da titanium duka abubuwa ne na ƙarfe tare da manyan abubuwan narkewa da ƙarfi. Matsakaicin narkewa na tungsten shine 3422 ° C kuma ƙarfin shine 500 MPa, yayin narkewar titanium shine 1668 ° C kuma ƙarfin shine 434 MPa. Saboda haka, tungsten ya fi karfi fiye da titanium.

Yaya mai guba tungsten hexafluoride?

Tungsten hexafluorideiskar gas ce mai tsananin guba da kan iya yin illa ga jikin dan adam idan an shaka. LD50 na tungsten hexafluoride shine 5.6 mg/kg, wato, inhalation na 5.6 MG na tungsten hexafluoride a kowace kilogiram na nauyin jiki zai haifar da adadin mace-mace 50%. Tungsten hexafluoride na iya fusatar da tsarin numfashi, yana haifar da alamu kamar tari, datse kirji, da dyspnea. Mummunan lokuta na iya haifar da edema na huhu, gazawar numfashi har ma da mutuwa.

Shin tungsten zai yi tsatsa?

Tungsten ba zai yi tsatsa ba. Tungsten wani ƙarfe ne wanda ba ya aiki da sauƙi tare da iskar oxygen a cikin iska. Saboda haka, tungsten ba zai yi tsatsa ba a yanayin zafi na al'ada.

Shin acid zai iya lalata tungsten?

Acids na iya lalata tungsten, amma a hankali. Acid mai ƙarfi irin su sulfuric acid da aka tattara da kuma maida hankali hydrochloric acid na iya lalata tungsten, amma yana ɗaukar lokaci mai tsawo. Rarraunan acid irin su dilute sulfuric acid da dilute hydrochloric acid suna da raunin lalata a kan tungsten.