Mphamvu yayikulu, kukana kuvala kwambiri komanso kukana dzimbiri kwa electroslag 9Cr18 chitsulo chozungulira

Chitsulo chozungulira cha 9Cr18 electroslag ndi chitsulo chosapanga dzimbiri cha carbon, chokhala ndi chromium martensitic chomwe chimakwaniritsa muyezo wankhondo wa dziko lonse wa GJB2294-95. Chimasungunuka pogwiritsa ntchito njira yosungunulira electroslag (ESR). Njirayi imawongolera kwambiri kuyera kwa chipangizocho, kufanana kwa kapangidwe kake, komanso mawonekedwe ake onse amakanika, zomwe zimapangitsa kuti chikhale chinthu choyenera kupanga zinthu zolemera kwambiri, zotupa kwambiri, komanso zosagwirizana ndi kuwonongeka kwambiri. Kapangidwe kake ka mankhwala kamakwaniritsa zofunikira zonse:

1. Kuuma kwambiri komanso kukana bwino kuvala

Pambuyo pokonza kutentha (kuzimitsa kutsatiridwa ndi kutentha pang'ono), kuuma kumatha kufika ≥55HRC pamene kumasunga kulimba kwakukulu. Kaboni wambiri ndi ma chromium carbides (monga Cr₂₃C₆) zimagawidwa mofanana mu martensite matrix yonse, zomwe zimapangitsa kuti ikhale yolimba kwambiri komanso yoyenera kugwiritsidwa ntchito mopitirira muyeso.

2. Kukana dzimbiri kwabwino kwambiri

Kuchuluka kwa chromium kuli pa 17% ~ 19%, zomwe zimapangitsa kuti ikhale ndi filimu yokhuthala ya oxide pamwamba, zomwe zimapangitsa kuti ikhale yolimba bwino mumlengalenga wonyowa, m'madzi a m'nyanja komanso m'malo ofooka a acidic, zomwe zimakhala bwino kwambiri kuposa chitsulo cha carbon wamba ndi chitsulo chotsika.

3. Kupititsa patsogolo mphamvu ya njira yochotsera ma electroslag

Kuyera Kwambiri: Kusungunuka kwa Electroslag kumachotsa bwino zinthu zomwe zili mu oxide (monga Al₂O₃, SiO₂) ndi zonyansa za gasi, kumachepetsa magwero a zolakwika, komanso kumawonjezera nthawi yogwira ntchito yotopetsa.

Kufanana kwa kapangidwe ka microstructure: Njira ya ESR imakonza kugawa kwa carbide, imachepetsa kulekanitsa kwa eutectic carbide, imapewa kupsinjika, komanso imawongolera mawonekedwe a makina am'mbali komanso kudalirika kwa kukonza.

Kukonza bwino makina: Kapangidwe koyera komanso kofanana kamachepetsa chizolowezi chodula ndi kumatira, zomwe zimapangitsa kuti zikhale zosavuta kuchita makina olondola komanso kukonza pamwamba.

4. Mphamvu zambiri komanso moyo wotopa

Mphamvu yokoka imatha kufika ≥590 MPa, ndipo kutalika kwake ≥15% (kutsekedwa). Pambuyo pozimitsa ndi kutenthetsa, mphamvuyo imawonjezeka kwambiri. Nthawi yomweyo, nthawi yotopetsa ya chitsulo cha electroslag imakhala yayitali kwambiri kuposa ya zinthu zosungunuka mwachizolowezi, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pazinthu zomwe zimayendetsedwa ndi zinthu zozungulira.

Ndi magwiridwe ake onse, chitsulo chozungulira cha 9Cr18 electroslag chimagwiritsidwa ntchito kwambiri popanga zida zapamwamba:

Asilikali ndi ndege: Zimagwirizana ndi muyezo wa GJB2294-95 ndipo zimagwiritsidwa ntchito popanga zinthu zonyamula katundu zomwe sizingawonongeke ndi dzimbiri monga ma bearing, shafts, ndi zida zomangira zida zankhondo.

Kupanga makina: magiya odzaza katundu wambiri, mapampu ndi ma valve, zida zopangira opaleshoni, mipeni ndi masipiringi, ndi zina zotero.

Makampani Opanga Mphamvu ndi Mankhwala: Yoyenera kugwiritsidwa ntchito m'malo osungira madzi a m'nyanja omwe sawonongeka kapena omwe amawononga zinthu monga ma shaft a ship pump ndi ma seal a makina a mankhwala.

Chitsulo chozungulira cha Electroslag 9Cr18, chomwe chimagwirizana ndi muyezo wa GJB2294-95, chimakwaniritsa kusintha kwakukulu mu kuyera, kufanana kwa kapangidwe kake, ndi makhalidwe a makina kudzera mu njira yosinthira ma electroslag. Chimaphatikiza kuuma kwakukulu, kukana kuwonongeka, kukana dzimbiri, komanso moyo wautali wotopa. Kudalirika kwake kwatsimikiziridwa bwino m'magulu ankhondo, ndege, ndi makina apamwamba, zomwe zimapangitsa kuti chikhale chinthu choyenera kupanga zinthu zofunika kwambiri komanso zokhalitsa.