Isixazululo se-annealing, okubuye kwaziwe njengokwelashwa kwesixazululo, inqubo yokwelapha ukushisa esetshenziswa ngokuyinhloko ukuthuthukisa ukumelana nokugqwala, izakhiwo zokukhanda, nokufana kwesakhiwo kwensimbi engagqwali.
Kuyini ukuthungatha?
Anealingkuyinqubo yokwelapha ukushisa eklanyelwe ukuthuthukisa ukudumba nokusebenza kwezinto ngokunciphisa ubulukhuni kanye nokukhulula izingcindezi zangaphakathi. Le nqubo ihilela ukushisisa okulawulwayo ezingeni elithile lokushisa, ukubamba kulelo zinga lokushisa ukuze kuvumele ukuguqulwa kwesakhiwo, bese kuba nokupholisa kancane—ngokuvamile esithandweni somlilo. I-Annealing ithuthukisa i-microstructure yezinto, kuyenze ifane futhi izinze. Ivamise ukusetshenziswa ezinsimbini ezifana nensimbi, ithusi, nethusi, kanye nasezintweni ezifana nengilazi nama-polymer athile ukuze kuthuthukiswe izakhiwo zazo zomshini nokucubungula.
Iyini i-Annealed Stainless Steel?
Insimbi engagqwali ene-Annealediyinsimbi engagqwali eye yathola ukwelashwa kokushisa kwe-annealing ukuze ithuthukise izici zayo. Le nqubo ihlanganisa ukushisisa insimbi ibe izinga lokushisa elimisiwe bese uyipholisa kancane ukuze ukhulule izingcindezi zangaphakathi, uthuthukise ukudumba, futhi athambise okokusebenza. Ngakho-ke, insimbi engagqwali efakwe emanzini inikezela ngobuchule obuphezulu, ukwakheka okuthuthukisiwe, nokumelana nokugqwala okuthuthukisiwe uma kuqhathaniswa nozakwabo ongelashiwe.
Iyini Inhloso Yokufakwa Kwensimbi Engagqwali?
1.Qeda I-Intergranular Precipitates futhi Ubuyisele Ukumelana Nokugqwala
Ngokuncibilikisa i-chromium carbides (isb, i-Cr₃C₂) ibuyele ku-austenitic matrix, ukwelashwa kwesixazululo kuvimbela ukwakheka kwezindawo eziqedwe i-chromium, okuthuthukisa ngempumelelo ukumelana nokugqwala kwe-intergranular.
2.Finyelela i-Homogeneous Austenitic Microstructure
Ukushisisa insimbi engagqwali kuya kumazinga okushisa aphezulu (imvamisa engu-1050°C–1150°C) okulandelwa ukucisha ngokushesha kuphumela esigabeni esifana nesiqinile se-austenitic, esithuthukisa ukusebenza kwempahla kukonke.
3.Thuthukisa iDuctility kanye Nokuqina
Ukwelashwa kukhulula ukucindezeleka kwangaphakathi futhi kukhuthaze ukuhluzwa okusanhlamvu, okuholela ekwakhekeni okungcono kanye nokumelana nomthelela.
4.Enhance Machinability
Ezinsimbi ezingagqwali ezisebenza ngokubandayo, i-annealing yesixazululo isusa imiphumela eqinisa umsebenzi, yenza kube lula ukwenziwa kwemishini kanye nokwakheka ekucutshungulweni okulandelayo.
5.Lungiselela Okubalulekile Kokwelashwa Okungeziwe Kokushisa
Isixazululo se-annealing kunikeza isisekelo esifanelekile se-microstructural sezinqubo ezifana nokuguga noma ukushisela, ikakhulukazi izinsimbi ezingenasici eziqinile noma eziphindwe kabili.
Izibonelo zezinhlobo zensimbi ezisebenzayo
• I-Austenitic stainless steel (efana ne-304, 316, 321): Susa ukuthambekela kokugqwala kwe-intergranular
• Imvula yenza lukhuni insimbi engagqwali (efana no-17-4PH): Ukwelashwa kwesixazululo okulandelwa ukuguga
• I-Duplex insimbi engagqwali (efana ne-2205, 2507): Ukwelashwa kwesixazululo kusetshenziswa ukuthola isilinganiso esifanelekile se-austenite + ferrite
Isikhathi sokuthumela: May-16-2025