Izimbangela zokuthungwa kabusha kwepayipi lensimbi

Ku-deformation eshisayo, okusanhlamvu, ukungcola kanye nokukhubazeka esigabeni sesibili kanye nezinhlobonhlobo zensimbi ngaphakathi kwesandiso esiphezulu eduze kwesiqondiso esiyinhloko se-deformation senziwa side, sincishiswe, futhi ukuqina kokwakheka kwesiqondiso se-fiber kungaphezu kwamandla okokusebenza ngakolunye uhlangothi ( Uma umphumela wokumpintsha ubonakala kakhudlwana), izinto ezisetshenziswayo zibonisa amazinga ahlukene e-anisotropy.

Ngaphezu kwalokho, ukuguqulwa kwe-thermal kungakhubazeka ngesikhathi esisodwa ukuthungwa kwe-pan kanye nokuthungwa kwe-recrystallization, futhi zenza izinto ezibonakalayo zibonakale ziqondile kanye nokufana.16Mn impendulo yensimbi ne-aluminium enqubweni yokushintshashintsha okushisayo.I-Aluminium kanye nama-alloys ayo kunqubo yokuguqula eshisayo yokupakisha amandla ephutha inkulu, ukuzihlukanisa kungaba kuncane.Emazingeni okushisa aphezulu, ukukhishwa kuyashelela futhi kukhuphuke kalula.Ngakho-ke, impendulo eguquguqukayo iwukuthi ziwukuphela kwesikhungo ekunciphiseni ukushisa ngesikhathi sokuguqulwa.Ngemva izinga lokushisa eliphezulu deformation of aluminium ingxubevange waqaphela ngokushesha, enhlanganweni angabona inani elikhulu izimpendulo subgrain.Ukusabela okuguquguqukayo kwenhlangano kokugcina phansi ipayipi eliyinhlanganisela elingagugi kusetshenziswe ngempumelelo ukukhulisa amandla esakhiwo sephrofayili esinwetshiwe esingu-6063 ingxubevange.Amashubhu e-aluminium kanye ne-aluminium alloy emakhazeni, ukucubungula okushisayo okunamathelayo, kulula ukunamathela ethuluzini ukwenza amaphutha ahlukahlukene angaphezulu, ubuchwepheshe bokucubungula okuluhlaza kufanele bugcotshwe kahle.Phakathi naleso sikhathi, isikhunta esingaphezulu kanye nokuqina kobuso kuyadingeka ukuze kukhokhelwe kakhulu.Ngaphezu kwe-aluminium, ingase ilawule isivinini se-extrusion, amanye ama-alloys anebanga lawo elifanele lejubane le-extrusion.Kufanele ikhethe i-extruder yejubane eguquguqukayo, ngenkathi ilawula ngokuqinile izinga lokushisa lenqubo ye-extrusion, isivinini, gwema iphethini yengubo yendela yamaBuddha.

Insimbi engu-40Cr nama-alloys amaningi e-aluminium emazingeni okushisa aphezulu, ukucindezela okuphezulu, izimo ze-vacuum eziphezulu zishiselwa ndawonye kalula.Ngakho ukuze amashubhu ukukhiqiza ukudala izimo ezivumayo.Isikhunta esihlukanisa indiza kanye ne-die extrusion emise okolimi iwukusebenzisa isici ukukhiqiza amapayipi.Lokhu akugcini nje ukwandisa izinhlobo zamapayipi kanye nokusetshenziswa, futhi ungasebenzisa i-extruder yebha evamile kanye ne-ingot eqinile yepayipi yokucindezela kwezomnotho cross-section iyinkimbinkimbi kakhulu futhi amapayipi anezimbobo.


Isikhathi sokuthumela: Oct-10-2019