I-metallurgy ye-powder yavela ngaphezu kwe-3000 BC. Indlela yokuqala yokwenza isinyithi yayiyi-metallurgy engumgubo.
1) kukho rhoqo iipores kwimveliso;
2) amandla emveliso yesinyithi ye-powder eqhelekileyo ingaphantsi kune-forgings ehambelanayo okanye i-castings (malunga ne-20% ~ 30% ephantsi);
3) Ngenxa yokuba i-fluidity ye-powder kwinkqubo yokuqulunqa ingaphantsi kakhulu kuneyentsimbi engamanzi, ukwakheka kunye nokuma kwemveliso kukhawulelwe kwinqanaba elithile;
4) uxinzelelo olufunekayo ekubunjweni luphezulu, ngoko ke iimveliso zilinganiselwe ngumthamo wezixhobo zokucinezela;
I-5) ixabiso eliphezulu lokucofa ukufa, ngokuqhelekileyo lisebenza kuphela kwi-batch okanye imveliso yobuninzi.
I-Metal powder: umgangatho wemveliso yokugqibela kunzima ukulawula ngokukhululekileyo;Umgubo wesinyithi uyabiza;Umgubo awuhambisani nomthetho we-hydraulics, ukwenzela ukuba imilo yesakhiwo semveliso inomda othile.