Ukuphonsa endaweni yokugoba noma yokuqondisa okuqondile nayo kuzodala inkinga yokuqhekeka kwe-deformationipayipi elingenamthungo.
I-0Cr15MM9CU2NIN ne-0CR17MM6NI4CU2N Insimbi Engagqwali I-200 Seless Auntenitic Insimbi Engagqwali, Okuhlukile Kuchungechunge Lwama-200 no-300 Series Aunteniticinsimbi engagqwali. Lolu hlobo lwe-Mashumiishubhu lensimbi engagqwaliithambekele ekuqhekekeni kwemingcele, ukuqhekeka okungaphezulu, inkinga yekhwalithi yokubumba engeyinhle yokulimala komkhawulo. Emkhiqizweni oshisayo oshisayo, izinhlobo ezimbili zensimbi ezamukele ama-curve ashise ama-200 ochungechungeni, futhi izinga lokushisa lomlilo lilawulwa ku-1215-1230c. Uhlelo lwayo lokushisa lusebenzisa imodeli yekhompyutha yesibili "Imithethonqubo Egobekile" kanye "ne" Qeda Imithethonqubo ". 800-1020C. Kubhekiswa kwinqubo yangempela eshisayo eshisayo yokuthathwa okubiliipayipi elingenamthungo, Yakha uhlelo lokushisa kanye nokushisa kwezimo zokushisa kwale ndlela yokuhlola, bese wenza ukuhlolwa okusheshayo okushisayo okushisayo kudivayisi yokuhlola eshisayo eyenzelwe futhi yenziwe ngokwethu. Imininingwane yanamuhla ye-Square Pipe Association: Kusetshenziswa inqubo yokucwengeza kwe-AOD + LF ukukhiqiza i-0Cr15mm9Cu2nn kanye ne-0Cr15i6ni4Cu2Nn ukukha okungenayo kwenqubo eqhubekayo yokuphonsa okuqhubekayo ngenqubo eqhubekayo yokugoba okuqhubekayo, usayizi wesigaba sesigaba sokuphonswa okuqhubekayo kubi ngo-220M1260m. Ingxenyana enkulu% ikhonjisiwe etafuleni. I-MicrossCruction ye-microsturet embi ekujuleni okuhlukahlukene kwe-0Cr15m9CU2nn i-acid-gascular egeziwe ukuphonsa okuqhubekayo, njengoba kukhonjisiwe kwisibalo, kuhambelana nokujula kwegobolondo elibi. Lapho kwenzeka isimo esingesihle futhi izinga lokushisa lomphetho we-castling lehluleka ukwehla ekuqhekekeni kwamazinga okushisa aphansi. I-miscructure ngo-15 no-25m. Ukwakheka kwe-microssmcture kanye nosayizi wokusanhlamvu weshubhu le-boiler ephezulu ye-20G lizokwanda ngokujula kwegobolondo le-slab. Izinguquko, kepha bonisa umehluko othile. E-Shell Depth D0M, i-misfructure ikakhulukazi isakhiwo sohlobo lwe-dendrite, kanye nokuhlukaniswa kwe-dendrite nesekondari kuncane. Ku-D5MM, ikakhulukazi isakhiwo se-dendrite.
Isikhala se-dendrite sikhulu. Ku-D> 15mn, ama-dendrites afana ne-Worm, kepha ku-D25m, ikakhulukazi amakristalu amaselula. I-MicrossCructor ye-CR17IM6NI4N Square Tube Compling Caping Slab ku-Fig. 1 ikhombisa ukuthi i-Shell eqinile ebikho-ngokuyisisekelo yisakhiwo se-dendrite. Yize kunomehluko othile kwi-dendrite morphology, isakhiwo sawo ikakhulukazi sakhiwa nge-matrix empunga ye-Auucenite, ne-Ferrite emnyama. Njenge-0Cr15mn9CU2nin Square Tube, njengoba ukujula kwegobolondo kuyanda, ukuhlukaniswa kwe-dendrite okuyisisekelo kuyanda kancane kancane, futhi ukwakheka kwe-dendrite kuguquka kusuka ku-skeleton kuya esikhwameni. , ukuziphatha kwepulasitiki enqubweni yokuguqulwa kwe-martensitic isigaba sokungamelana ne-composite avimbela amapayipi e-composite kuhlaziywe ngokuhlolwa, futhi nosayizi wokukhula okusanhlamvu, ukuma kwawo okusanhlamvu, ukuguqulwa kwesigaba, ukuguqulwa kwe-morphology, imiphumela ye-morphology kwizakhiwo zemishini yamapayipi e-composite anqabile avimbela. Ngaphansi kwesimo sokushisa kwe-1010 Auntonitization 15mir, indawo yokushisa yamaphoyinti we-Peint S ne-End Temperature ㎡ ye-Martensitic Transformation Ukunyuka koshintsho lwepayipi lwensimbi olungamelana nalo olungejwayelekile ukwandisa ingcindezi elilinganayo. Lapho amazinga okushisa e-auntonization ephansi kune-1050c, ukukhula okusanhlamvu kukhombisa inqubo evamile yokukhula. Ngokukhuphuka kwesikhathi se-aucelonitization, ukunyuka kwensimbi eyindilinga. -3500 I-Thermal Simulator, Ukuziphatha kweplastiki kwepayipi lensimbi engamelana ne-composite ngesikhathi senqubo yokuguqula ama-Martensitic kuhlaziywe ngokuhlolwa, kanye nosayizi wokukhula okusanhlamvu okuhlosiwe kanye nemiphumela yawo yokukhula kwe-autensite kanye nemiphumela ye-martensite ye-plastication, Ukuxineka kanye ne-morphology ezingxenyeni zemishini yamapayipi e-composite anqabile. Ngaphansi kwesimo se-1010 Auntonitization imizuzu engu-15, i-Start Temperity Point S ne-End Temperature Point S kanye ne-Martensitic Transformation enyuka ngokushisa kwe-austonitization imodeli yensimbi engamelana ne-composity ingcindezi efanayo. Lapho izinga lokushisa le-auntenquting liphansi kune-1050c, ukukhula okusanhlamvu kukhombisa inqubo ejwayelekile yokukhula. Njengoba isikhathi se-auntoniting sanda, siyanda, futhi ukuguqulwa kwesigaba se-B kuhlukaniswe ngemingcele yokusanhlamvu. Ukuqina nokukhula kwezigaba futhi kunezigaba ezimbili zokuzijabulisa nokukhula kwe-windimate a. isigaba. Lapho izinga lokupholisa likhuphuka lisuka ku-0.1C / s liye ku-150c / s, inqubo yokuguqulwa kwesigaba se-B + A futhi + ikakhulukazi ivela ku-TI-55 Alloy. Okusanhlamvu kupayipi lensimbi engamelana nalo ukugqokwa kungahlala umfaniswano nezincane, futhi ama-carbide abumbene abumbene abumbene abumbene, futhi ama-carbides abumbene abumbene abumbene ebusweni. Kusetshenziswa ama-scroncope we-elektroni wokuhambisa, ukuskena ama-microscope we-elektroni, ama-x-ray diffractometer nezindlela ze-electrochemical zokufunda amapayipi e-microskuva avinjelwe ezifundazweni ezahlukahlukene ezinjenge-cast state, umbuso, kanye ne-elektroni (kanye ne-elekthronishi ye-EPP I-morphology kanye nokwakheka kwezindawo eziphambili zepayipi lensimbi engavikeleki egqokwa ku-150-300c zaphenywa ukuhlaziywa kwe-Energy Spectrum.
Isikhathi sePosi: Mar-30-2023