Cobalt ke tšepe e benyang ea bohlooho-putsoa, ​​​​e batlang e le thata ebile e brittle, ferromagnetic, 'me e tšoana le tšepe le nickel ka ho thatafala, matla a tsitsitseng, thepa ea mochine, thepa ea thermodynamic, le boitšoaro ba electrochemical.Matla a magnetism a nyamela ha a futhumala ho 1150 ℃.Phofo e ntle ea tšepe ea cobalt e hlahisoang ke ts'ebetso ea phokotso ea haedrojene e ka chesa ka boomo ho cobalt oxide moeeng.Oxidation e etsahala ka mocheso o phahameng.Ha e chesa, cobalt e itšoara ka matla ka oksijene, sebabole, chlorine, bromine, joalo-joalo, ho etsa metsoako e lumellanang.Cobalt e qhibiliha ka har'a asiti e hlapollang 'me e tšeloa ka har'a asiti ea nitric e tukang ka ho etsa filimi ea oxide.Cobalt e kenngoa butle-butle ke hydrofluoric acid, ammonia le sodium hydroxide.Cobalt ke lisebelisoa tsa bohlokoa tse tala bakeng sa tlhahiso ea li-alloys tse thibelang mocheso, li-alloys tse thata, li-anti-corrosion alloys, li-magnetic alloys le matsoai a sa tšoaneng a cobalt.Cobalt ke tšepe ea amphoteric.

Lintho tsa 'mele le tsa lik'hemik'hale tsa cobalt li etsa qeto ea hore ke lisebelisoa tsa bohlokoa tse tala bakeng sa tlhahiso ea li-alloys tse sa keneleng mocheso, carbide e entsoeng ka samente, li-anti-corrosion alloys, alloys magnetic le matsoai a sa tšoaneng a cobalt.Cobalt-based alloy kapa cobalt-containing alloy steel e sebelisoa e le likhaba, li-impellers, conduits, li-jet engines, li-rocket engines, lisebelisoa tsa metsu le likarolo tse sa tšoaneng tse sa keneleng mocheso ka thepa ea lik'hemik'hale le lisebelisoa tsa bohlokoa tsa tšepe indastering ea matla a athomo.Cobalt joalo ka setlamo sa metallurgy ea phofo e ka netefatsa hore carbide e entsoeng ka samente e na le boima bo itseng.Magnetic alloys ke lisebelisoa tsa bohlokoa indastering ea sejoale-joale ea elektroniki le ea motlakase, e sebelisetsoang ho etsa likarolo tse fapaneng tsa lisebelisoa tsa acoustic, optical, motlakase le makenete.Cobalt hape ke karolo ea bohlokoa ea li-alloys tse sa feleng tsa makenete.Ka indasteri ea lik'hemik'hale, cobalt e sebelisoa ho phaella ho li-superalloys le li-anti-corrosion alloys, empa hape le bakeng sa likhalase tse mebala-bala, li-pigments, enamel le li-catalysts, desiccant joalo-joalo.Ntle le moo, tšebeliso ea cobalt e na le sekhahla se phahameng ka ho fetisisa sa kholo lefapheng la betri.

Cobalt ea tšepe e sebelisoa haholo ho etsa li-alloys.Cobalt base alloy ke lentsoe le akaretsang bakeng sa alloy e le 'ngoe kapa tse' maloa tse entsoeng ka cobalt le chromium, tungsten, tšepe le nickel.Sesebelisoa sa tšepe se nang le palo e itseng ea cobalt se ka ntlafatsa haholo ts'ebetso ea ho roala le ho itšeha ha tšepe.Starlite carbide e nang le cobalt e fetang 50% e ke ke ea lahleheloa ke boima ba eona ba pele le haeba e futhumetse ho 1000 ° C, 'me hona joale carbide ena e fetohile ntho ea bohlokoa ka ho fetisisa e sebelisoang pakeng tsa lisebelisoa tsa ho itšeha tse nang le khauta le aluminium.Nthong ena, cobalt e kopanya lithollo tse ling tsa tšepe tsa carbide ka har'a motsoako oa alloy, e le hore motsoako o be le boima bo phahameng le ho fokotsa kutloelo-bohloko.Alloy ena e kopantsoe le ho chesetsoa holim'a likarolo, e ka eketsang bophelo ba likarolo ka makhetlo a 3 ho isa ho a 7.Lisebelisoa tse sebelisoang ka ho fetisisa tsa theknoloji ea sefofane ke li-alloys tse thehiloeng ho nickel, 'me li-alloys tse thehiloeng ho cobalt li ka boela tsa sebelisoa, empa "mochine oa matla" oa li-alloys tse peli o fapane.Matla a li-alloys tse thehiloeng ho nickel tse nang le titanium le aluminium li phahame ka lebaka la ho thehoa ha karolo e thatafatsang ea karolo e entsoeng ka NiAl (Ti), ha mocheso o sebetsang o phahame, likaroloana tsa "mohato o thatafatsang" li fetisetsoa ho tharollo e tiileng, ebe motsoako o felloa ke matla kapele.Ho hanyetsa mocheso oa li-alloys tse thehiloeng ho cobalt ho bakoa ke ho thehoa ha li-carbides tse refractory, tseo ho seng bonolo ho li fetola litharollo tse tiileng, 'me mosebetsi oa ho jala o monyenyane.Ha mocheso o ka holimo ho 1038 ° C, melemo ea li-alloys tse thehiloeng ho cobalt li bontšoa ka botlalo.Bakeng sa lisebelisoa tse phahameng, tse nang le mocheso o phahameng, li-alloys tse thehiloeng ho cobalt li nepahetse.