
Cobalt ishingiye kuri superalloys nicyiciro cyibikoresho byuma bikora cyane bigamije gukomeza imbaraga zidasanzwe zubukanishi, guhagarara neza hejuru, hamwe no kurwanya ruswa kubushyuhe bwinshi cyane, akenshi bikarenga aho superalloys ishingiye kuri nikel itangira gucika intege. Nibikoresho fatizo byibice byingenzi mubidukikije bisabwa cyane cyane mu kirere, mu kirere, inganda za gaze, hamwe n’ubuvuzi.
Imikorere yabo isumba iyindi ikomoka kuri materix ya cobalt-chromium hamwe nubunini bwinshi bwa karbide ya karbide.
Imbaraga zidasanzwe zo mu bushyuhe: Amavuta ya Cobalt yerekana ingingo zishonga cyane hamwe nubushyuhe bukomeye hamwe no guhangana n’ibikurura kurusha nikel ivanze na nikel ku bushyuhe buri hejuru ya 1000 ° C (1832 ° F). Ibi bivuze ko barwanya koroshya no guhindagurika mugihe bahangayitse hafi yubushyuhe.
Imyambarire idasanzwe & Galling Resistance: Gukomera kwabo kavukire, akenshi kuzamurwa numuyoboro wa karbide zikomeye, bitanga imbaraga nziza zo kwambara nabi, kwambara neza (galling), no gucika intege. Ibi bituma biba byiza muburyo bwo kwambara.
Ubwiza Bwiza Bwangirika & Oxidation Kurwanya: Ibirungo byinshi bya chromium (akenshi birenga 20%) bigize igipimo kirinda, gikurikiza chromium oxyde (Cr₂O₃) irwanya iyangirika rya okiside na sulfide.
Kurwanya Ubushyuhe Bwinshi Bwinshi: Bashobora kwihanganira inshuro nyinshi zo gushyushya no gukonjesha bitavunitse, umutungo wingenzi kubigize nka turbine.
Imikorere ya cobalt superalloys ikomoka muburyo butandukanye bwingenzi:
Gukomera-Gukemura cyane: Ibintu nka tungsten (W) na molybdenum (Mo) bishonga muri materix ya cobalt, bikabuza kugenda kwimurwa.
Imvura ya Carbide: Gukora karbide zikomeye (urugero, Cr₇C₃, Cr₂₃C₆, WC, TaC) muri microstructure itanga imbaraga zikomeye zo kunyerera no kwambara. Ingano, ubwoko, nogukwirakwiza karbide ningirakamaro mubikorwa.
Cobalt Allotropy: Cobalt ihinduka mugice cyo gushyushya, kandi iyi miterere ikoreshwa mugutezimbere imitungo binyuze mumashanyarazi no gutunganya amashyanyarazi.
Cobalt ishingiye kuri superalloys ningirakamaro mubisabwa aho gutsindwa atari amahitamo.
Ikirere & Imbaraga Zibyara Turbines: Byakoreshejwe mubice bihagaze nka:
Turbine Vanes & Nozzle Guide Vanes: Aho ubushyuhe bwo hejuru bwa gaze bugaragara kandi kurwanya ibinyabuzima ni byo byingenzi.
Ibikoresho byo kwambara mu nganda: Ishingiro rya Stellite ™ alloys, ikoreshwa kuri:
Imyanya ya Valve & Trim mumuvuduko mwinshi, ubushyuhe bwo hejuru.
Hardfacing Wires & Rods kugirango yambare imyenda igaragara hejuru yibikoresho n'imashini.
Kuvoma amaboko, ibiti, no gukata ibyuma.
Kwimura kwa Muganga: Byakoreshejwe mu gutera amagufwa (cyane cyane ku byuma byerekana ibyuma) bitewe na biocompatibilité nziza, kwambara, no kurwanya ruswa mu mubiri w'umuntu.
Imbonerahamwe ikurikira irerekana muri make ibintu byingenzi biranga ibintu byihuse:
| Ikiranga | Ibisobanuro | Ibyiza |
| Shingiro | Cobalt (Co), hamwe na Chromium ndende (Cr). | Itanga matrix yibanze kubikorwa byubushyuhe bwo hejuru no kurwanya ruswa. |
| Imbaraga zingenzi | Tungsten (W), Molybdenum (Mo), na Carbone (C) kugirango bibe karbide. | Itanga imbaraga zubushyuhe bwo hejuru, kurwanira kunyerera, no kwambara. |
| Gukoresha Ubushyuhe | Hejuru cyane, nziza cyane hejuru ya 1000 ° C (1832 ° F). | Gushoboza moteri yo hejuru no gukora mubidukikije bikabije. |
| Ibyingenzi | Gukomera Bishyushye, Kurwanya Kurwanya, Kwambara & Kurwanya Kurwanya. | Ihuriro ridasanzwe kubintu bikomeye bya serivisi. |
| Imiterere rusange | Shira ibice, bikozwe mu kabari / isahani, ifu ya HIP, ibishishwa bikomeye. | Inganda zinyuranye kubintu byombi bigoye hafi-net-shusho yibice hamwe no gukingira. |
| Inganda Zibanze | Ikirere, Amashanyarazi, Ubuvuzi, Imiti & peteroli. | Ibikoresho byo guhitamo aho ubushyuhe bukabije no kwambara bihurira. |
Muri make, Cobalt ishingiye kuri Superalloys ni niche ariko ibikoresho bikomeye bisunika imbibi zubushyuhe bwo hejuru. Nubwo akenshi bihenze kandi byuzuye kuruta nikel superalloys, imikorere yabo ntagereranywa mubice bimwe na bimwe - cyane cyane imbaraga zubushyuhe bwo hejuru cyane, umunaniro wumuriro, hamwe no kwihanganira kwambara - bitanga uruhare runini mubuhanga buhanitse.