Ukufana kokubhema kanye nokuvumelana kwama-aluminium alloys kubalulekile kwikhwalithi yemikhiqizo yokuphonsa, ikakhulukazi uma kukhulunywa ngokusebenza kwe-ingots kanye nezinto zokwakha ezisetshenzisiwe. Ngesikhathi senqubo yokunqwabanisa, ukwakheka kwezinto zokwenziwa ze-aluminium alloy kumele zilawulwe ngokuqinile ukuze zivikeleke ukwahlukaniswa kokwakheka nokungalingani okusanhlamvu, okuthinta ngokuqondile izakhiwo zemishini, ukumelana nokuqina kwemishini yokugcina.
Ukuhlotshiswa ukubhema kuhlobene kakhulu nokwakheka kwe-Aluminium Alloys, imishini yokushintshanisa, amapharamitha wenqubo, njll. Ngesikhathi sokuphonsa, ukusebenza okuqinile koketshezi lwe-aluminium kumazinga angaphakathi. Ukushisa kwe-gradient, isilinganiso sokupholisa, njll. Kuzothinta usayizi wokusanhlamvu nokusatshalaliswa kwe-Ingot, bese kuthinta ukufana kwezinto. Ngokulawula izinga lokushisa elinyinyekayo, ukwelashwa kwe-homogenization nezinye izindlela zobuchwepheshe, izinkinga zokuhlukaniswa kwengxenye kanye nosayizi wokusanhlamvu okungalingani kungancishiswa ngempumelelo.
Ukufana kokubhema kanye nokuvumelana kwama-aluminium ama-alloys yizingqinamba ezibalulekile ukuqinisekisa ikhwalithi yemikhiqizo yokuphonsa, ehlobene ngqo nezinkomba zokhiye eziningi ezifana nezakhiwo zemishini, ukumelana nokuqina kanye nokusebenza kokusebenza kwemali. Ukufana kanye nokuvumelana kubandakanya izici eziningi ezinjengokusatshalaliswa kwe-element, ukulawulwa kosayizi lokusanhlamvu, nokusebenza kokuqina kwe-alloy ngesikhathi senqubo yokunqwabanisa.
1. Ukubaluleka kokushintshana ngokufana
Enqubweni yokunqwabelana yama-aluminium alloys, ukusatshalaliswa komfaniswano wezinto zensimbi kuyinto eyisisekelo yokuqinisekisa ukusebenza kwezinto ezibonakalayo. Uma ukulawulwa kwezinga lokushisa ngesikhathi senqubo yokushintshana kungazinzi, izinto ezise-alloy zingahlukanisa, okuholela ekubumbeni kwasendaweni okungahambisani. Lokhu kuhlanganiswa okungalingani kuzodala ukungezwani kokusebenza ngesikhathi sokuqina okulandelayo kanye nenqubo yokusebenza, kunciphisa amandla okusebenza, ukuqina kanye nokuphikiswa kokugqwala komkhiqizo. Ukufana okumpofu ekunyikineni kuzodala izindawo ezingenamandla noma ezibuthakathaka ekuqukethwe, okulula kakhulu ukwakha imifantu nokwehluleka.
2. Ukucolisiswa okusanhlamvu ngesikhathi sokuphonsa
Usayizi nokwakheka okusanhlamvu kuthinta ngqo izakhiwo zemishini zokuphonsa kanye nokwakheka kwezinkinga zokuphosa. Ngesikhathi senqubo yokuqina ye-aluminium alloy, uma okusanhlamvu kukhulu kakhulu noma kungalingani, bavame ukwakha ama-miscructure amangalisayo afana namakristalu e-columnar kanye namakristalu empaphe, angenza ukusakaza kalula ukuqhekeka noma ukukhiqiza ezinye iziphambeko ngesikhathi sokusebenzisa. Ukuze uvikele lezi zigameko, ubuchwepheshe bokuhlaziywa buvame ukusetshenziselwa ukuthuthukisa ukusatshalaliswa okusanhlamvu.
Ukusetshenziswa kwabacwebisi kuyindlela ephumelelayo yokuxazulula le nkinga. Ikakhulu, ukwethulwa kwe-aluminium-titanium-boron kungcono ukuthuthuka okukhulu kwi-Aluminium Alloy Ingots. Ngokungeza abahlaziyi, okusanhlamvu kungahlanjululwa kakhulu, i-miscistruccucture ephansi kakhulu ye-microden ingaba yi-homogenized, namakristalu e-columnar kanye nezakhiwo zamabala ezinhlamvu zingancishiswa. Umphumela ohlanganisiwe we-tial₃ ne-tib₂ ku-aluminium-titanium-boron refeiner ukhulisa inani le-crystal nuclei, ukhuthaza isizukulwane se-crystal nuclei ku-aluminium uketshezi, senza umfaniswano oqondile futhi uthuthuke ngokwengeziwe. ukusakaza.
Lapho usebenzisa i-Confiders, ukuze uthole umphumela omuhle kakhulu, kuyadingeka ukulawula inani lentengo nendlela yokwengeza. Ngokuvamile, inani lomfuculi elingeziwe kufanele lilinganise. Ukungezwa ngokweqile kuzoholela ekuhlanzeni okusanhlamvu ngokweqile futhi kuthinte ubunzima be-alloy, ngenkathi kuncane kakhulu kuzoholela ekucontweni okunganele. Ngaphezu kwalokho, ukusatshalaliswa komcweli kumele kube umfaniswano wokugwema ukweqiwa kwasendaweni noma ukuntuleka kokuncibilika, ukuze uqinisekise ukucolisiswa okusanhlamvu okufanayo kokuphonswa kokuphelele.
I-3
Ukuhlotshiswa ukubhema kuthinteka kakhulu ngokulawulwa kokushisa kanye nezindlela ezivusa amadlingozi. Lapho ukushaya i-aluminium alloys, ukusatshalaliswa kwensimu yokushisa okuncibilikayo kanye nesimo sokugeleza kwensimbi ebilisiwe kudlala indima enqumayo ekufanisweni kwesakhiwo. Izinga lokushisa eliphakeme kakhulu noma eliphansi kakhulu lingadala ukwakheka okungalingani noma okusanhlamvu okuhlanganayo. Ngokulawula okunengqondo kwezindawo zokushisa, ukuhlukaniswa kwezikhundla kuncibilika kungancishiswa ngempumelelo.
Ngasikhathi sinye, ubuchwepheshe obushukumisayo budlala indima ebalulekile kwinqubo yokumongisa. Ngomshini noma ovuselelwa nge-electromagnetic, ukungezwani komhlaba we-aluminium alloy kungaphulwa, ukuze isizungu sisatshalaliswe ngokwengeziwe esigabeni se-liquid kanye nokwakhiwa kwendawo kwezinto. Ukufana kokuvuselelwa ngokuqondile kuthinta ngqo ukuguquguquka kokuhlanganiswa kwekhwalithi yokuqina okulandelayo. Ukulawulwa okunengqondo kwesivinini esishukumisayo nesikhathi, ikakhulukazi ukushukumisa okwenele ngemuva kokungezwa kwabacwengi, kungathuthukisa ukufana okuphelele kokuncibilika futhi kuqinisekiswe umphumela wokuhlaziywa kokusanhlamvu wokuphonsa.
I-4. Ukulawulwa kwe-miccumpture ngesikhathi sokuqina
Inqubo yokuqina yisigaba esibalulekile esithinta i-miscrum ruction of aluminium alloy castings. Ngesikhathi sokuqina, ukusatshalaliswa kwensimu yokushisa eMelt Front Front, Ukuziphatha kokusatshalaliswa kabusha kokusatshalaliswa kabusha, futhi ukuvela kwemvelo okusanhlamvu kuzoba nomthelela omkhulu ekwenzeni umsebenzi wokugcina. Okwekhwalithi ephezulu ye-Alumininum Alloy Castings, kuyadingeka ukulawula inani lokupholisa, i-supercooling, kanye nesimo se-thermodynamic se-interface ebonakalayo eqinile ngesikhathi sokuqina.
Ngesikhathi senqubo yokuqina, ukupholisa okusheshayo kusiza ukwakha isakhiwo se-crystal esilinganayo futhi kunciphise ingxenye yamakristalu e-columnar. Ngokwenza kahle isilinganiso sokupholisa futhi silawule izinga lokushisa ngesikhathi senqubo yokupholisa, ukufana kwesakhiwo sokusanhlamvu kungathuthukiswa ngempumelelo. Ngaphezu kwalokho, ngokukhokhiswa kwezigaba ezinkulu, inqubo yokwelashwa ukushisa kwelanga isetshenziswa ukuqeda ukusatshalaliswa okungalingani kwezigaba eziqinile ze-spoipped futhi kuthuthukise ukufana nokuvumelana kokuqukethwe.
I-5. Ukuthuthuka ngokuqhubekayo kuthuthukisa ubuchwepheshe bokushushumbisa
Eminyakeni yamuva nje, ngohlelo lokusebenza olubanzi lwe-Aluminium Alloy izinto, ubuchwepheshe bokuhlenga buye baqhubeka nokukhula ngokuqhubekayo, ikakhulukazi ukwethulwa kobuchwepheshe obuhlakaniphile nobucwengi obukhaliphile. Imishini yokubhema ye-aluminium alloy eshintshayo ikhokha ngokwengeziwe nokuningi kokulawulwa okuzenzakalelayo. Ngokuthola ukutholwa kwe-inthanethi kanye nemishini yokulawula, ukwakheka, izinga lokushisa kanye nesimo sokuhlaziywa kokusanhlamvu kwesimo sokuncibilika kungabhekwa ngesikhathi sangempela ukuze kuqinisekiswe ukuqina kanye nokufana kwenqubo yokunqwabelana.
Ngaphezu kwalokho, ngokuthuthuka kwenqubo yokunqwabelana, ubuchwepheshe obufana nokushintshana kwenqubo okufushane nokuvuselelwa kwe-inthanethi kuthandwe kancane kancane. Lezi zibuchwepheshe aziveli ukuthuthukisa ukusebenza ngokukhiqiza, kepha futhi zinciphise ngempumelelo ukusetshenziswa kwamandla kanye nezindleko zokukhiqiza, zikhuthaza ukuthuthukiswa kwesimanje kwe-aluminium alloy smelling technology.
Esezinhlelweni ze-aluminium alloy smelling, ukufana kanye nokuguquguquka okubalulekile ukuqinisekisa ikhwalithi yomkhiqizo. Ngokusebenzisa okunengqondo kwabacwengi, ukwenziwa kahle kokulawulwa kokushisa kanye nobuchwepheshe obuvusa izinyathelo, ukwabiwa kokusanhlamvu kanye nokusatshalaliswa kokwakheka kwe-Ingot kungathuthukiswa kakhulu ukuqinisekisa ukuthi ukusakaza kunezakhiwo ezinhle kakhulu zemishini kanye nekhwalithi ezinzile. Ngokuthuthukiswa kwezobuchwepheshe, inqubo yokunqwabanisa yama-aluminium alloys iqhubekela phambili ebuhlakani futhi icwengile, futhi ikhwalithi yemikhiqizo ye-aluminium alloy iyathuthukiswa ngokuqhubekayo.
Ngaphezu kwalokho, ukungezwa kwabacwengi kuyindlela ebalulekile yokuthuthukisa ukufana kwe-aluminium alloy smelling. Ukusetshenziswa kwe-aluminium-titanium-boron kungathuthukisa kakhulu ukwakheka okuphansi kwe-Ingot futhi kunciphise amaphutha anjengezinhlanzi zezimpaphe namakristalu e-columnar. Ngenkathi uqinisekisa umphumela wokucwengeka okusanhlamvu, lolu hlobo lomhlabeleki ludinga futhi ukulawula inani layo lokungezwa nokusatshalaliswa, qinisekisa ukufana kwekwakheka, futhi uvikele i-agglomeration of umcwazi. Ukuze uqinisekise ikhwalithi yokunyibilika ne-aluminium alloys, kuyadingeka ukwandisa inqubo yokushintshana, lungisa okusanhlamvu, futhi ulawule ngokuqinile ukusatshalaliswa kwezinto ezenziwayo.
Esezinhlelweni ze-aluminium alloy smelling, ukufana kanye nokuguquguquka okubalulekile ukuqinisekisa ikhwalithi yomkhiqizo. Ngokusebenzisa okunengqondo kwabacwengi, ukusebenza kahle kokulawulwa kokushisa kanye nobuchwepheshe obuvusa izinyawo, ukwabiwa kokusanhlamvu kwe-Ingot kungathuthukiswa kakhulu, ukuqinisekiswa ukuthi ukusakaza kwezakhiwo ezinhle kakhulu zemishini kanye nekhwalithi ezinzile. Ngokuthuthukiswa kwezobuchwepheshe, inqubo yokushintshanisa kwama-aluminium alloys iqhubekela phambili ebuhlakani nokuhlaziywa, futhi ngokuqhubekayo ukuthuthukisa ikhwalithi yemikhiqizo ye-aluminium alloy castring.
Isikhathi Sokuthumela: Oct-27-2024
