Inkqubo yokuvelisa imveliso ye-tungsten carbide

Iimveliso zentsimbi ye-tungsten ziqulethe malunga ne-18% ye-tungsten, i-tungsten yentsimbi yeye-carbide enesamente, ekwabizwa ngokuba yi-tungsten-titanium alloy.Ukuqina yi-10K kwisikali seVickers, okwesibini kuphela kwidayimane.Ngenxa yoko, iimveliso zensimbi ye-tungsten, inophawu lokungabi lula ukunxitywa.Iimveliso ze-tungsten ze-carbide ziqhele ukusetyenziswa kwizixhobo ze-lathe, iinqununu ze-drill drill, i-glass cutter bits, ii-tile cutters, ezinzima, zingoyiki ukuba zifakwe, kodwa zi-brittle.Yintsimbi enqabileyo.

Ukubumba i-tungsten carbide sintering:

I-Tungsten carbide sintering molding kukucofa umgubo ube yimathiriyeli, kwaye emva koko ungene kwiziko lokutshisa ubushushu obuthile 〔sintering ubushushu〕, kwaye uyigcine kangangexesha elithile (ixesha lokugcinwa kobushushu), kwaye emva koko uyipholise phantsi, ukuze ufumane impahla yensimbi ye-tungsten kunye nokusebenza okufunekayo.

Inkqubo ye-tungsten carbide sintering inokwahlulwa ngokwezigaba ezine ezisisiseko:

I-1: ukususwa kwe-arhente yokubumba, ukutshisa ixesha lokuqala kunye nokwanda kweqondo lokushisa, i-arhente eyenza i-arhente iyancipha ngokuthe ngcembe okanye ifakwe ngumphunga, ikhutshelwe ngaphandle komzimba odibeneyo, kwangaxeshanye, i-arhente eyenza ngaphezulu okanye ngaphantsi kumzimba odibeneyo. ukwanda kwekhabhoni, inani lokunyuka kwekhabhoni liya kuba nohlobo lwe-arhente yokwenza, inani lenkqubo ye-sintering kunye neyohlukileyo kunye nokutshintsha.

I-powder surface oxides iyancitshiswa, kwiqondo lokushisa le-sintering, i-hydrogen ingancitshiswa i-cobalt kunye ne-tungsten oxides, ukuba ukukhutshwa kwe-vacuum ye-agent ekhangayo kunye ne-sintering, i-carbon kunye ne-oksijini yokusabela ayinamandla.Amasuntswana ePowder abuza ukuba uxinzelelo loqhagamshelwano luya kupheliswa ngokuthe ngcembe, i-powder yensimbi edibeneyo yaqala ukuvelisa imbuyekezo kunye nokufakwa kwakhona kweemveliso, ukusabalalisa umphezulu kwaqala ukwenzeka, amandla e-briquette aphuculwe.

2: isigaba esiqinileyo se-sintering (800 ° c - ubushushu be-eutectic)

Kwiqondo lokushisa ngaphambi kokuvela kwesigaba solwelo, ngaphezu kokuqhubeka nenkqubo eyenzeka kwisigaba sangaphambili, ukusabela kwesigaba esiqinileyo kunye nokusabalalisa kuyaqina, ukuhamba kweplastiki kuphuculwe, kwaye umzimba odibeneyo ubonakala uyancipha kakhulu.

3: Ulwelo isigaba sintering isigaba (ubushushu eutectic - sintering ubushushu>)

Xa isigaba se-liquid sibonakala kumzimba we-sintered, i-contraction igqitywe ngokukhawuleza, ilandelwa yinguqu ye-crystalline yokwenza umbutho osisiseko kunye nesakhiwo se-alloy.

4: Inqanaba lokupholisa (Iqondo lobushushu leSintering-Ubushushu beGumbi>)

Kweli nqanaba, umbutho kunye nokwakhiwa kwesigaba sentsimbi ye-tungsten kunye neemeko zokupholisa ezahlukeneyo kunye nokuvelisa utshintsho oluthile, unokwenza ukusetyenziswa kolu phawu, unyango lobushushu lwentsimbi ye-tungsten ukuphucula iimpawu zayo zomzimba kunye noomatshini.

Iinduku zeTungsten ziimveliso zetungsten ezingqukuva okanye zesikwere.I-Tungsten yintsimbi eqinile kakhulu, eshinyeneyo enobushushu obuphezulu bokunyibilika kuyo nayiphi na intsimbi: 6,192°F (3,422°C).Yikhemikhali enenombolo ye-atom 74. Yikhemikhali enenombolo ye-atom engama-74. i-tungsten inokumelana ne-corrosion egqwesileyo kwaye ayichatshazelwa kancinci ziiasidi.Iintonga zeTungsten ziveliswa ngobuchule bokwenza i-powder metallurgy.

Iintlobo zeTungsten Rods zihlelwa ngokubanzi ngokweentonga zetungsten ezisulungekileyo, iintonga zetungsten carbide, iintonga ze-tungsten alloy, i-tungsten copper rods, tungsten conductor rods njalo njalo.Ukusetyenziswa kweentonga zeTungsten iintonga zeTungsten zinokusetyenziswa ngokubanzi ekukhanyeni, izifudumezi kunye nobunjineli bomatshini be-elektroniki.Ukongeza, ingasetyenziselwa ukuvelisa umthombo wokukhanya kombane, iiglowubhu zemoto kunye netrektara, ukwenza iileti ezisecaleni kweentonga, iifreyimu, iingcingo, i-electrode, izifudumezi kunye nezixhobo zoqhagamshelwano, ii-PCB drills, ii-drill bits, ii-end Mills njalo njalo.

IZigong Xinhua Unikezelo lweShishini lweentonga ze-tungsten lunokuveliswa ngamaqhekeza obude obungakhethiyo okanye ukusikwa kubude obunqwenelekayo bomthengi kwiidamitha ukusuka kwi-0.020 intshi ukuya kwi-0.750 intshi.Ukunyamezelana okuncinci kunokucatshulwa ngesicelo.Ukongeza, ukugqitywa komphezulu okuthathu okwahlukileyo okanye unyango olungaphezulu luyafumaneka ngokuxhomekeke kusetyenziso olufunekayo.