Ingxubevange entsha ye-die-cast aluminium entsha: izinto ezibalulekile zokukhanya kwezimoto nokuthuthukiswa kokusebenza
Imiphumela yocwaningo yakamuva yembula izici ezinhle kakhulu ze-Al-Si-Mg-Mn alloy
Ekuthuthukisweni okuqhubekayo kwemboni yezimoto, ukukhanya kwesisindo sekuyindlela ebalulekile yokuthuthukisa ukusebenza kahle kwamandla nokusebenza. Njengempahla engasindi, enamandla amakhulu, ingxubevange ye-aluminium isetshenziswa kakhulu ekukhiqizeni izimoto. Muva nje, ucwaningo lwe-alloy entsha enamandla amakhulu i-Al-Si-Mg-Mn luhlinzeka ngombono omusha wokusetshenziswa kwama-alloys e-aluminium ekukhanyeni kwemoto.
Izakhiwo ezithuthukisiwe zengxubevange entsha ye-Al-Si-Mg-Mn
Ngokusho kocwaningo lwakamuva, amandla aqinile engxubevange entsha ye-Al-Si-Mg-Mn ngemuva kokufakwa kwe-die cast (njengokuphonswa) angafinyelela ku-230 kuye ku-310 MPa, amandla okukhiqiza angama-200 kuya ku-240 MPa, kanti ubude bucishe bube ngu-0.5% . Ukugcwaliseka kwalokhu kusebenza kuzuzisa ekwakhiweni kwenhlawuloa Isigaba se-AlFeMnSi kanye nesakhiwo se-eutectic se-multi-scale ku-alloy. Kodwa-ke, ukuphakama kwe-alloy kuphansi, ikakhulukazi ngenxa yethonya eliqondile lama-pores amakhulu kanye nezigaba zesibili eziqinile.
Ukusetshenziswa kobuchwepheshe be-die-casting kanye nokuthuthukiswa kwama-alloys e-aluminium
Njengenqubo yokwakhiwa kwe-net-net, i-die-casting isetshenziswa kakhulu ekwenzeni izimoto, ukuxhumana, imishini yobunjiniyela nezinye izingxenye ngenxa yokusebenza kahle kwayo kokukhiqiza, ukunemba okuphezulu komkhiqizo nokusebenza okuhle kakhulu. Kule minyaka eyishumi edlule, izingxenye eziningi zezimoto ezenziwe ngensimbi ekuqaleni ziye zathathelwa indawo izingxenye ze-aluminium alloy die-casting, ezinganciphisi nje isisindo semoto, kodwa futhi zifeza izinjongo zokulondoloza amandla kanye nokunciphisa ukungcola.
Ukuqinisa indlela nokuthuthukiswa kokusebenza kwama-alloys e-aluminium
Ukwengeza izakhi ezifana ne-Mg, Cu, Mn noma i-Zn kuma-alloys e-aluminium ukuze kwakheke izinhlanganisela ezimaphakathi ezifana ne-AlMgZn, i-AlMn noma i-Al2Cu kungathuthukisa ngempumelelo amandla engxubevange. Ukuqina kwalezi zingxubevange kubangelwa isixazululo esiqinile kanye nokuqiniswa kwemvula. Ucwaningo lubonisa ukuthi ngokungeza inani elifanele le-Mn, akugcini nje ukuncishiswa isikhunta esinamathelayo, kodwa ne-morphology ye-bIsigaba -Fe singabuye sishintshwe, sithuthukise ukusebenza kwe-alloy.
Ucwaningo ngesakhiwo kanye nezakhiwo zama-alloys amasha e-aluminium
Abacwaningi baklame ukuqanjwa kwengxubevange ye-Al-Si-Mg-Mn enezingxenye ezihlukene ze-eutectic ezibalulekile ngokusebenzisa izibalo zokulingisa umdwebo wesigaba se-JMatPro. Ngokubhekwa kwe-microstructure kanye nokuhlaziywa kwe-fracture morphology, ukuvela kwesakhiwo nezici zokusebenza ze-alloy zembulwa. Ucwaningo luthole ukuthi izakhiwo ze-ultrafine eutectic zingathuthukisa kakhulu amandla kanye nepulasitiki yama-alloys, inikeze indlela entsha yokuthuthukisa ukusebenza kwe-aluminium alloys.
Ucwaningo ngesakhiwo kanye nezakhiwo zama-alloys amasha e-aluminium
Abacwaningi baklame ukuqanjwa kwe-al-Si-Mg-Mn alloy enezingxenye ezihlukene ze-eutectic integral ngokusebenzisa izibalo zokulingisa umdwebo wesigaba se-JMatPro. Ngokubhekwa kwe-microstructure kanye nokuhlaziywa kwe-fracture morphology, ukuvela kwesakhiwo nezici zokusebenza ze-alloy zembulwa. Ucwaningo luthole ukuthi izakhiwo ze-ultrafine eutectic zingathuthukisa kakhulu amandla kanye nepulasitiki yama-alloys, inikeze indlela entsha yokuthuthukisa ukusebenza kwe-aluminium alloys.
