Tungsten carbide (hard gami) yana da jerin kyawawan kaddarorin irin su babban taurin, sa juriya, ƙarfi mai kyau da tauri, juriya mai ƙarfi da juriya na lalata, musamman ma tsayin taurin sa da juriya, har ma a zafin jiki na 500 ℃ A zahiri ya kasance baya canzawa. , kuma har yanzu yana da babban taurin a 1000 ℃.

Tungsten carbide, manyan abubuwan da ake amfani da su sune tungsten carbide da cobalt, wanda ke da kashi 99% na dukkan kayan aikin, kashi 1% na sauran karafa ne, don haka ana kiransa karfen tungsten, wanda aka fi sani da siminti carbide, kuma ana daukarsa a matsayin hakora na masana'antar zamani. .

Tungsten carbide wani sinadari ne mai haɗe-haɗe wanda ya ƙunshi aƙalla carbide ƙarfe ɗaya.Tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, da tantalum carbide sune abubuwan gama gari na ƙarfe tungsten.Girman hatsi na bangaren carbide (ko lokaci) yawanci yana tsakanin 0.2 da 10 microns, kuma ana haɗa hatsin carbide tare ta amfani da abin ɗaure ƙarfe.Ƙarfen haɗin gwiwa gabaɗaya ƙarfen rukunin ƙarfe ne, kuma ana amfani da cobalt da nickel galibi.Saboda haka, akwai tungsten cobalt gami, tungsten nickel gami da tungsten titanium cobalt gami.

Tungsten carbide sintering shi ne a danna foda a cikin wani fili, sa'an nan kuma zana shi a cikin tanderu mai zafi zuwa wani zafin jiki (jin zafi), sa'an nan kuma ajiye shi na wani lokaci (riƙewa), sa'an nan kuma kwantar da shi, don samun. aikin da ake so na kayan ƙarfe tungsten.