I-tungsten wire yenziwa kanjani?

Ukucwenga i-tungsten evela ku-ore ngeke kwenziwe ngokuncibilikiswa kwendabuko njengoba i-tungsten inephuzu lokuncibilika eliphakeme kunawo wonke kunoma iyiphi insimbi. I-Tungsten ikhishwa ku-ore ngochungechunge lokusabela kwamakhemikhali. Inqubo ngqo iyahlukahluka ngomkhiqizi kanye nokwakheka kwe-ore, kodwa insimbi iyachotshozwa bese yosiwe futhi/noma ithunyelwe ngokuhlukahluka kwamakhemikhali, imvula, nokuwashwa ukuze kutholwe i-ammonium paratungstate (APT). I-APT ingathengiswa ngokwezentengiselwano noma iqhubeke icutshungulwe ibe yi-tungsten oxide. I-Tungsten oxide ingathoswa emkhathini we-hydrogen ukuze kwakheke impushana ye-tungsten emsulwa ngamanzi njengomkhiqizo ovelayo. I-Tungsten powder iyindawo yokuqala yemikhiqizo yokugaya i-tungsten, kuhlanganise nocingo.

Manje njengoba sinempushana ye-tungsten emsulwa, silwenza kanjani ucingo?

1. Ukucindezela

I-Tungsten powder iyahlungwa futhi ixutshwe. Isibopho singengezwa. Inani elinqunyiwe liyakalwa bese lilayishwa esikhunjeni sensimbi esilayishwa emshinini wokunyathelisa. Impushana ihlanganiswe ibe yibha ehlangene, kodwa entekenteke. Isikhunta siyahlukaniswa futhi ibha iyasuswa. Isithombe lapha.

2. Ukwethula

Ibha entekenteke ifakwa esikebheni sensimbi esiphikisayo futhi ilayishwe esithandweni esinomoya we-hydrogen. Izinga lokushisa eliphezulu liqala ukuhlanganisa izinto ndawonye. I-Material cishe i-60% - 70% yokuminyana okugcwele, nokukhula okuncane noma akukho okusanhlamvu.

3. I-Sintering Egcwele

Ibha ilayishwa ebhodleleni elikhethekile lokwelapha elipholile ngamanzi. Ugesi uzodluliswa kubha. Ukushisa okukhiqizwa yilokhu kwamanje kuzobangela ibha ukuthi iminyene ibe ngu-85% kuya ku-95% wokuminyana okugcwele futhi inciphe ngo-15% noma ngaphezulu. Ukwengeza, amakristalu e-tungsten aqala ukwakheka ngaphakathi kwebha.

4. Ukushwibeka

Ibha ye-tungsten isiqinile manje, kodwa ibhibhana kakhulu ezingeni lokushisa legumbi. Ingenziwa ithambile ngokukhuphula izinga lokushisa layo libe phakathi kuka-1200°C kuya ku-1500°C. Kuleli zinga lokushisa, ibha ingadluliswa nge-swager. I-swager iyithuluzi elinciphisa ububanzi benduku ngokuyidlulisa ku-dayisi eklanyelwe ukushaya induku cishe ngemivimbo engu-10,000 ngomzuzu. Ngokuvamile i-swager izonciphisa ububanzi cishe ngo-12% ngokudlula ngakunye. Ukuguquguquka kwelula amakristalu, kwakha isakhiwo esine-fibrous. Nakuba lokhu kuyinto efiselekayo kumkhiqizo oqediwe we-ductility namandla, ngalesi sikhathi induku kufanele ikhululwe ukucindezeleka ngokushisa kabusha. Ukushwibeka kuyaqhubeka kuze kube yilapho induku iphakathi kwamayintshi angu-.25 no-.10.

5. Umdwebo

Izintambo ezigoqiwe ezingaba amayintshi angu-.10 manje zingadonswa nge-dies ukuze kwehliswe ububanzi. Ucingo luyagcotshwa futhi ludonswe nge-dies of tungsten carbide noma idayimane. Ukuncishiswa okuqondile kobubanzi kuncike kumakhemikhali aqondile kanye nokusetshenziswa kokugcina kocingo. Njengoba ucingo ludonswa, imicu iyaphinda ibe yinde futhi amandla aqine ayakhula. Ezigabeni ezithile, kungase kudingeke ukuba unqamule ucingo ukuze uvumele ukucutshungulwa okwengeziwe. Intambo ingadwetshwa kahle njengamasentimitha angu-.0005 ububanzi.