Xa iinjineli zicacisa i-310S yensimbi engenasici kwi-linings ye-furnace, i-exhaust manifolds, okanye imizimba yevalve ephezulu yobushushu, abakhethi nje izinto eziphathekayo-babheja kwi-microstructure ukuzinza ngaphezu kwe-1,000 ° C. Kodwa nantsi into efunyanwa ngamaqela amaninzi okuthenga emva kwexesha kakhulu: Ayiyiyo yonke i-310S yefektri yensimbi engenasici ehambisa ubume obuziinkozo obungaguqukiyo, ukuhanjiswa kwe-carbide, okanye ukuxhathisa ukudinwa kwe-thermal-nokuba unezatifikethi zokusila ezifanayo.. Siye sabona ukuchithwa kwe-310S okuphethwe ukushisa okutshisa emva kwemijikelezo ye-200 kwi-1,150 ° C-kungekhona ngenxa yoyilo, kodwa ngenxa yokuba ulwahlulo lwe-dendritic lwe-as-cast aluzange lube ne-homogenized ngokupheleleyo ngaphambi kokuba isisombululo se-annealing.
Kutheni iMaterial Consistency ibaluleke ngaphezu kwezatifikethi zokugaya zodwa
Ingxelo yovavanyo lokusila iqinisekisa ukubunjwa okuqhelekileyo. Iyenzeka hayi qinisekisa ukuhanjiswa kwe-chromium-nickel efanayo kwi-400-mm-thick casting wall. Kwimveliso yehlabathi lokwenyani, silinganise ukuya kuthi ga kwi-8% yokuncipha kwe-Cr kwimimandla ye-interdendritic ye-sand-cast 310S-yanele ukuqalisa i-oxidation yendawo kwi-1,050 °C. Yiyo loo nto abasebenzisi abakhokelayo ngoku bafuna iilogi zokunyanga ubushushu obulandelekayo, hayi nje uhlalutyo lweekhemikhali. Eyona mveliso ingcono ye-310S yensimbi engenasici idibanisa ukuphosa, isisombululo se-annealing, kunye nokunciphisa uxinzelelo kulandelelwano olunye olulawulwayo-akukho baphathi bobushushu bangaphandle, akukho batch handoffs. Kwiziko lethu elise-Qingdao, yonke indawo ye-310S ifumana isisombululo esiphindwe kabini: okokuqala kwi-1,060 ° C ngokunyibilika ngokupheleleyo kwe-carbide, emva koko ipholise kancinci ukuya kuma-750 ° C kwaye iphinde ifudunyezwe kwi-920 ° C ukuya kwi-spheroidize isigaba se-sigma eseleyo. Oku akuyondlela eqhelekileyo-yindlela esibamba ngayo izinga lokukhula kwe-intergranular ngaphantsi kwe-0.02 mm / ngonyaka kwi-cyclic exposure ye-thermal.
Izakhono eziNtathu ezingaxoxisiyo kufuneka uziqinisekise
Ngaphambi kokuba uvume i-310S yefektri yensimbi engenasici, qinisekisa obu buchule buthathu-kwindawo, kungekhona nge-imeyile:
- Ukuqinisekiswa kwe-metallurgical kumgangatho: Ngaba ziqhuba i-optical emission spectroscopy (OES) kubo bonke ubushushu? Ngaba banokutsala isampuli ukusuka kwelona candelo lishinyeneyo lokuphosa kwakho-hayi nje imbaleki yokungena?
- Unyango lobushushu obulawulwayo: Ngaba ukufunxa kwenziwa kwiziko lokuxuba initrogen-hydrogen kwindawo enombethe ≤ -40°C? Ukuvuza komoya ngexesha lokupholisa kudala isikali se-chromium oxide esijongela phantsi ukuxhathisa ukukala ixesha elide.
- Ukuqinisekiswa kozinzo lweDimensional: Kumalungu angaphezulu kwe-300 mm, ngaba ayalinganisa i-warpage emva unyango lobushushu-kungekhona nje emva komatshini? Siye salungisa isaphetha se-0.8 mm kwindandatho yokutshisa i-310S ngokugqwetha kwangaphambili iphethini, emva koko siqinisekise nge-laser tracker post-anneal.
Apho iikhathalogu eziMgangatho zisilelayo-kwaye ubuNjineli beSiko buphumelela
Ngaphandle kweshelufu iiflange ze-310S zisebenza kakuhle kwi-850°C. Kodwa xa isicelo sakho sifuna i-1,100°C ukukhwela ibhayisekile nge-syngas egcwele isulfur, i-generic specs ziyawa. Yilapho ufuna iqabane eliphatha i-chemistry njengendawo yokuqala-kungekhona umgca wokugqibela. Kumthengi waseYurophu wokwakha i-biomass gasifier valves, silungelelanise i-310S yokunyibilika: i-silicon yanyusa ukuya kwi-1.8% yokuphucula ukuxhathisa kwe-slag, yehlisa i-manganese ukuya kwi-0.4% ukucinezela ukubunjwa kwe-delta-ferrite, kwaye songeze i-0.15% ye-cerium ukubethelela imida yeenkozo. Isiphumo: 3.2× ubomi benkonzo obude ngokuchasene ne-ASTM A297 iBanga le-HK40. Akukho siqinisekiso sigubungela oko-kodwa uvavanyo lwehlabathi lokwenyani luyakwenza.
Yintoni omawuyibuze ngaphambi kokuba uthumele i-PO yakho yokuqala
Musa ukubuza "Ngaba unokwenza i-310S?" Buza endaweni yoko:
- "Ndibonise iimephu ezintathu zokugqibela ze-EDS ze-310S ezijiyileyo ezityebileyo kune-250 mm-ngokukodwa ujongano phakathi kokunyuka kunye nokuphosa."
- "Leliphi elona xesha ulibambe ngalo phakathi kwe-shakeout kunye nesisombululo se-120-kg 310S indlu?" (Impendulo mayibe ≤ 4 iiyure)
- "Ngaba uyayigcina imizekelo yobunzima kubo bonke ubushushu-kwaye ndingacela idatha yempembelelo ye-Charpy kwi-1,000 ° C?"
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. igcina umkhondo opheleleyo ukusuka kwi-ladle log ukuya kwingxelo yokugqibela yeCMM. Yonke iodolo ye-310S ibandakanya iicerts zemathiriyeli ekrwada, iitshathi zonyango lobushushu, kunye neefoto ze-metallographic zelona candelo lishinyeneyo-ezikhoyo ngaphambi kokuthunyelwa. Isiseko sabo esithobela i-ISO siqhuba utyalo-mali kunye nokuphosa isanti ngapha nangapha, ebavumela ukuba bakhethe inkqubo enciphisa ukuthambeka kwe-thermal kwiindawo ezibalulekileyo. Kwiijiyometri ezintsonkothileyo ezifana nee-multi-port exhaust manifolds, zisebenzisa ihybrid casting-machining: rough-cast-cast near-net shape, emva koko umphezulu wokutywina womatshini we-CNC ukuya ku-±0.05 mm emva kokukhululeka koxinzelelo-ukuphelisa ukugqwetheka kwasemva kobushushu.
Jonga Ngaphaya Kwesatifikethi—Jonga kwiNdawo yoKuqhekeka
Uvavanyo lokwenyani lwefektri yensimbi engenasici ye-310S ayingomaphepha ayo. Kungakhathaliseki ukuba iindawo zayo eziqhekezayo zibonisa iinkozo ezicocekileyo, ezilinganayo-kungekhona i-dendrites eqhawule umtshato okanye i-sigma-phase networks. Xa ufumana isampulu yakho yokuqala, cela indawo enqamlezileyo ekhazimlisiweyo kolona donga lunzima. Ngaphantsi kwe-100 × magnification, kufuneka ubone ubungakanani obufanayo beenkozo (ASTM 4-6), i-zero intergranular cracking, kwaye akukho band-depleted chromium. Leyo yisignesha yomthengisi ophatha i-310S kungekhona njengentsimbi yempahla-kodwa njengenxalenye yenkqubo ye-thermal echanekileyo. Njengoko iiprojekthi zehlabathi zityhala ubushushu bokusebenza buphezulu, loo mahluko wahlula amahlakani athembekileyo kubalo olubizayo. Ngexesha elizayo xa ukhankanya i-310S, sukujonga nje iphepha elithile. Jonga i-microstructure.
