Amandla aphansi aqinile kanye nezidingo zezicubu ezincane (amandla aphezulu). I-low magnification microstructure yeinsimbi ethweleisho okuxekethile okujwayelekile, okuxekethile okumaphakathi kanye nokuhlukaniswa, kanye ne-microscopic (ukukhulisa okuphezulu) i-microstructure ihlanganisa i-annealing microstructure yensimbi, inethiwekhi ye-carbide, i-strip kanye ne-liquid evolution, njll. Isixazululo se-carbide siqinile futhi siyaphuka, futhi ukulimaza kwaso kuyafana nalokho okufakwayo okuphukayo. I-carbide yenethiwekhi inciphisa ukuqina komthelela wensimbi futhi yenza isakhiwo singalingani, okulula ukusikeka nokuqhekeka ngesikhathi sokucisha. Ama-carbide ane-banded athinta i-microstructure eshisayo ehlanganisiwe futhi ecishiwe kanye namandla okukhathala othintana naye. Ikhwalithi yesakhiwo samandla aphansi futhi aphezulu inomthelela omkhulu ekusebenzeni kanye nempilo yesevisi yama-rolling bearings, ngakho-ke kunezidingo eziqinile zesakhiwo samandla aphansi futhi aphezulu ekuthwaleni izindinganiso zezinto ezibonakalayo.
Izidingo eziqine ngokwedlulele zokulimala kwendawo kanye nokukhubazeka kwangaphakathi. Ekubaleni insimbi, ukonakala kwendawo kuhlanganisa ukuqhekeka, ukufakwa kwe-slag, ama-burrs, izibazi, isikhumba se-oxide, njll., futhi ukukhubazeka kwangaphakathi kufaka phakathi izimbobo zokushwabana, amabhamuza, amachashaza amhlophe, i-porosity ebucayi kanye nokuhlukaniswa. Lezi ziphambeko zinomthelela omkhulu ekucutshungulweni kwama-bearings, ukuthwala ukusebenza nokuphila. Kubekwe ngokucacile kumazinga wezinto ezibonakalayo ukuthi lezi ziphambeko azivunyelwe.
Izidingo eziqinile ze-carbide inhomogeneity. Ekuthwaleni insimbi, uma kukhona ukusatshalaliswa kwe-carbide okungalingani okungathí sina, kulula ukubangela ukwakheka kwe-microstructure engalingani kanye nobulukhuni ohlelweni lokwelapha ukushisa. I-microstructure engalingani yensimbi inethonya elikhulu emandleni okukhathala othintana naye. Ngaphezu kwalokho, ukungafani kwe-carbide okungama-uniformity nakho kulula ukuqhekeka izingxenye ezithwalayo ngesikhathi sokupholisa, futhi ukungafani kwe-carbide nakho kuzoholela ekunciphiseni kokuzala. Ngakho-ke, ekuthwaleni izindinganiso zezinto ezibonakalayo, kunezidingo ezithile zokucaciswa okuhlukile kwensimbi.
Izidingo zokujula kwesendlalelo se-decarburization yendawo eqinile. Kunemithetho eqinile kungqimba lwensimbi lwe-decarburization emazingeni okuthwala impahla. Uma ungqimba lwe-surface decarburization ludlula ububanzi obunqunyiwe bezinga, futhi alususwanga ngokuphelele kwinqubo yokucubungula ngaphambi kokwelashwa kokushisa, kulula ukukhiqiza imifantu yokucisha inqubo yokucima ukwelashwa kokushisa, okuholela ekulahlekeni kwezingxenye.
Esilinganisweni sensimbi enensimbi, kunezidingo eziqinile endleleni yokuncibilikisa, okuqukethwe komoyampilo, ubulukhuni be-annealing, ukuphuka, izakhi ezisele, ukuhlolwa kwenhlansi, isimo sokulethwa, ukumaka nokunye.
Isikhathi sokuthumela: Apr-12-2023