I-Powder metallurgical stainless steel ingenziwa ibe yi-steel.Amanzi ensimbi engagqwali ayenziwe athomu abe yimpushana enomfutho we-nitrogen ophezulu.Izinhlayiya zempuphu zaziyindilinga, ukuminyana kokupakishwa okuxekethile kwakungaba ngu-4.8g/cm, kanti okuqukethwe komoya-mpilo wempushana kwakungaphansi kuka-100 × 10. Impushana yensimbi engenasici nayo ingakhiqizwa ngokujikeleza kwe-electrode pulverization ene-oxygen content (40 ~ 70)×10.Lezi zimpushana zensimbi engagqwali zifakwa ku-casing, vacuum zivaliwe, ukucindezela okubandayo kwe-isostatic ku-5kPa pressure, bese kuba ukushisa okushisayo kwe-isostatic ku-1050℃ kanye nokucindezela okungu-2kPa ukuze kugxiliswe impahla.Ukuhlanganiswa okubandayo kwe-isostatic nakho kungashiswa zibe izinti ezihlangene namapayipi ku-1200 ℃. Uma kuqhathaniswa nensimbi evamile nensimbi engagqwali ekhandiwe, ukuhlukaniswa kwezakhi ze-nickel, i-chromium kanye ne-molybdenum ensimbi engagqwali ephathwa ngempushana kuncane, usayizi wokusanhlamvu mncane kakhulu, futhi ukufakwa kwe-sulfide kuhle futhi ngokulinganayo. distributed.Ngakho-ke iyathuthukiswa:
1. Izingxenye zensimbi engagqwali eziyimpushana
2. Insimbi engagqwali powder metallurgy izingxenye
3. Izakhiwo zemishini nokumelana nokugqwala.
Izinsimbi ezikhethekile ezingagqwali ezine-molybdenum ephezulu, i-nickel, i-nitrogen ne-manganese zisetshenziselwa ukuthuthukisa ukumelana nokugqwala kanye namandla ezindaweni ezinzima zasogwini.