umbhobho steel stainless ngoku kusetyenziswa ngokubanzi nangakumbi, ngenxa yokumelana yayo elungileyo umhlwa iye yadlala indima ebalulekileyo kulwakhiwo lobunjineli, kwinkqubo yokuvelisa kufuneka isisombululo esiluqilima for steel stainless ityhubhu processing, eyona njongo iphambili kukufumana ukwanda ethile martensite. ukuqina kweemveliso, makhe sijonge isisombululo sokulungiswa kwetyhubhu yentsimbi:
(1) Emva konyango lwesisombululo, ifudunyezwa ukuya ku-(760±15) ℃, kwaye umxholo wekhabhoni kunye nezinto ezixutyiweyo kwi-austenitic 904L ityhubhu yensimbi engenasici iyancitshiswa ngenxa yemvula ye-Cr23C6 carbide evela kwi-austenitic 904L ityhubhu yensimbi engenasici. I-90min, ukuze i-Ms point iphakanyiswe kwi-70℃ kwaye ipholile kwiqondo lokushisa ukuze ufumane i-martensite + αferrite + isakhiwo se-austenitic esalayo.I-austenite eshiyekileyo iboliswe kukuguga kwi-510 ℃.
(2) emva kokulungiswa kweqondo lokushisa eliphezulu kunye nonyango lwe-cryogenic, isisombululo saqala ukufudumeza kwi-950 ℃ kwaye sibanjwe i-90min.Ngenxa yokwanda kwe-Ms point, inani elincinci le-martensite lingafumaneka emva kokupholisa kwiqondo lokushisa.Emva koko, umlinganiselo othile we-martensite unokufumaneka ngo--70 ℃ unyango olubandayo kwaye ubambe i-8h.
3Ubungakanani be-martensite eyenziwe yi-904L ityhubhu engenamthungo ngexesha lokuguqulwa okubandayo lihambelana nesixa se-deformation kunye nokubunjwa kwe-904L ityhubhu yensimbi engenasici.
Ezi ndlela zintathu zingasentla ziqhele ukusetyenziswa stainless steel ityhubhu isisombululo indlela unyango ithemba ukuzisa uncedo kuwe.
Ixesha lokuposa: Jan-29-2023