Izinto ze-alloy ezenziwe ngenhlamba enzima yensimbi evumayo kanye ne-binder yensimbi ngenqubo ye-metallurgy ye-powder. I-Carbide efakwe ngoCement inochungechunge lwezinto ezinhle kakhulu ezinjengobulukhuni obuphezulu, ukugqoka okuphezulu, amandla amahle kanye nokuphikiswa kokushisa, ikakhulukazi ukumelana, okuhlala kungashintshiwe ngisho nasekushiseni kwalo okuphezulu, okuhlala kuvikeleke kakhulu ngisho naku-1000 ℃. I-Carbide isetshenziswa kabanzi njengethuluzi le-Tool, njengamathuluzi okuguqula, ama-milling cutter, amaplastiji, ukugawulwa kwensimbi okuvamile, futhi kungasetshenziswa i-stone kanye nensimbi evamile, insimbi engenasici, njll. Insimbi yokusika ye-New Amathuluzi e-Carbide manje sekuyizikhathi eziningi zensimbi yekhabhoni.
Ukusetshenziswa kwe-carbide ehleliwe
(1) Izinto zamathuluzi
I-Carbide yinani elikhulu kakhulu lezinto zamathuluzi, ezingasetshenziswa ukwenza amathuluzi okuguqula, ama-milling cutter, ama-planers, ukushayela, njll. I-Tungsten-Titanium-Titanium-Cobalt Carbide ilungele ukucutshungulwa kwesikhathi eside kwezinsimbi ezi-Ferrous ezifana nensimbi. Imishini ye-Chip. Phakathi kwama-alloys afanayo, labo abanokuqukethwe okuningi kwe-cobalt balungele imishini enolaka, futhi labo abanokuqukethwe okuncane okuncane kufanelekile ukuqeda. I-Carbides Enezinhloso Ejwayelekile I-Carbides Ehlanganisiwe Inempilo Ende Imishini Engaphezulu Kunezinye Izintengo Ezihlanganisiwe Ze-Carbides Yezinto Ezinzima Zokusebenzisa Insimbi Engagqwali.
(2) Indwangu yokubumba
I-Carbide efakwe ngesiqeshana isetshenziselwa ikakhulukazi ukufenda okubandayo okufana nokufa okubandayo kufa, ukubhoboza okubandayo kufa, ukukhishwa okubandayo kufa, futhi kubanda.
I-Carbide ebandayo ye-Dieling isho ukuthi ibe nomthelela omuhle, ubulukhuni be-fracture, amandla okukhathala, amandla okugoba kanye nokuphikiswa okuhle kokungamelana nomthelela noma umthelela onamandla. I-Medium ne-High Cobalt kanye nama-Medium and Colley amabanga aphezulu ajwayele asetshenziswa, njenge-YG15C.
Ngokuvamile, ubudlelwano obuphakathi kokumelana nokugqokwa kwe-carbide okuphikisana nalo buyaphikisana nalokhu: Ukwanda kokumelana nokugqokwa kuzoholela ekunciphiseni ubulukhuni, futhi ukwanda kobunzima kuzoholela ekunciphiseni ukumelana. Ngakho-ke, lapho ukhetha amamaki we-Alloy, kuyadingeka ukufeza izidingo ezithile zokusetshenziswa ngokuya ngento ecubungula kanye nezimo zokusebenza.
Uma ibanga elikhethiwe lithambekele ekuqhekekeni kusenesikhathi nomonakalo ngesikhathi sokusetshenziswa, ibanga elinamandla aphezulu kufanele likhethwe; Uma ibanga elikhethiwe lithambekele ekugqokeni kusenesikhathi nomonakalo ngesikhathi sokusetshenziswa, ibanga elinobulukhuni obuphakeme kanye nokuphikiswa okungcono kokuphefumula kufanele kukhethwe. . Amamaki alandelayo: YG15C, YG18C, YG20C, YL8CC, YL60C, YL605C, YG2CC, YG25C, YG25C ukusuka kwesobunxele kuye kwesokudla, ubulukhuni buyancipha, futhi ubunzima buyancipha, futhi ubunzima buyancipha; Ngokuphambene nalokho, okuphambene nalokho kuyiqiniso.
(3) Amathuluzi wokulinganisa kanye nezingxenye ezivimbela ukugqoka
I-Carbide isetshenziselwa ukugqokwa okungavikeleki komhlaba kanye nezingxenye zamathuluzi wokulinganisa, ukunemba kwama-grinders ama-grinders, amapuleti okuqondisa kanye nezinduku zokuqondisa zezigigaba ezingenasisekelo, iziqongo zezitimela nezinye izingxenye ezingavikeli phansi.
Izinsimbi ze-Binder ngokuvamile ziyinsimbi ye-Iron Group, imvamisa ye-cobalt ne-nickel.
Lapho ukhiqiza i-carbide eyenziwe ngesihlanu, usayizi wezinhlayiyana we-powder ekhethiwe eluhlaza uphakathi kwama-microns angu-1 no-2, futhi ubumsulwa buphezulu kakhulu. Izinto ezivuthiwe ziqhutshwa ngokwesilinganiso esibekiwe sokwakheka, notshwala noma eminye imithombo yezindaba ingezwa ekugayeni okumanzi endaweni yokugaya ibhola emanzi ukubenza baxutshwe ngokuphelele futhi badilizwe. Uluhlunge ingxube. Ngemuva kwalokho, ingxube igxiliwe, icindezelwe futhi ifudunyezwe emazingeni okushisa asondele endaweni yokuncibilika yensimbi ye-binder (1300-1500 ° C), isigaba esilukhuni kanye ne-ambinder yensimbi sizokwakha i-eutectic alloy. Ngemuva kokupholisa, izigaba ezilukhuni zisatshalaliswa kugridi eyakhiwe ngensimbi ebusayo futhi ixhumeke kakhulu nomunye nomunye ukwakha okuqinile. Ubulukhuni be-carbide be-centiwe buxhomekeke ekuqukethwe kwesigaba okunzima kanye nosayizi wokusanhlamvu, okungukuthi, okuphezulu kakhulu kwesigaba esilukhuni kanye nokwehla okusanhlamvu, kunzima kakhulu. Ubulukhuni be-carbide ebekiwe bunqunywa ngensimbi ye-binder. Okuphezulu okuqukethwe kwensimbi ye-BINDER, kukhuphuka amandla aguqukayo.
Ngo-1923, uSclerter waseJalimane wengeze u-10% kuya ku-20% cobalt eTungsten Carbide Powder njenge-tungsten Carbide Powder njenge-binder carbide ne-cobalt. Ubulukhuni bungokwesibili kuphela edayimane. I-carbide yokuqala eyenziwe ngesibili eyenziwe. Lapho usika insimbi ngethuluzi elenziwe ngaleli alloy, umngcele wokusika uzoguga ngokushesha, futhi noma umphetho wokusika uzoqhekeka. Ngo-1929, uSchwarzkov e-United States wengeza inani elithile le-tungsten Carbide kanye neTitanium Carbide Compact Carbides ekubukeni kwasekuqaleni, okwathuthuka ukusebenza kwethuluzi ekusikeni kwensimbi. Lokhu kungenye impumelelo emlandweni wokuthuthukiswa kweCarbide Carbide olwenziwe ngesihlaka.
I-Carbide efakwe ngoCement inochungechunge lwezinto ezinhle kakhulu ezinjengobulukhuni obuphezulu, ukugqoka okuphezulu, amandla amahle kanye nokuphikiswa kokushisa, ikakhulukazi ukumelana, okuhlala kungashintshiwe ngisho nasekushiseni kwalo okuphezulu, okuhlala kuvikeleke kakhulu ngisho naku-1000 ℃. I-Carbide isetshenziswa kabanzi njengethuluzi le-Tool, njengamathuluzi okuguqula, ama-milling cutter, amaplastiji, ukugawulwa kwensimbi okuvamile, futhi kungasetshenziswa i-stone kanye nensimbi evamile, insimbi engenasici, njll. Insimbi yokusika ye-New Amathuluzi e-Carbide manje sekuyizikhathi eziningi zensimbi yekhabhoni.
I-Carbide nayo ingasetshenziswa ukwenza amathuluzi okumba ama-rock, amathuluzi wokumba, amathuluzi okumba, izingxenye zokulinganisa, ukugqokwa kwensimbi, ukusebenza kahle kwensimbi, ukusebenza kahle kwe-carbelide, kanye nokuqamba ama-cartener, kanye nokuqamba ama-carberes ahlanganisiwe kancane kancane esikhundleni sangaphambilini isikhunta).
Kamuva, i-carbide ehlanganisiwe ehlanganisiwe nayo yaphuma. Ngo-1969, iSweden yathuthukisa ngempumelelo ithuluzi elihlanganisiwe le-titanium carbide. Isisekelo sethuluzi yiTungsten-Titanium-Cobalt Carbide noma iTungsten-Cobalt Carbide. Ubukhulu be-titanium carbide coating ebusweni yi-microns embalwa kuphela, kepha uma kuqhathaniswa nohlobo olufanayo lwamathuluzi we-alloy, impilo yensiza inwetshelwa ngamahlandla ama-3, futhi ijubane lokusika likhuphuke ngo-25%. Ngawo-1970s, isizukulwane sesine samathuluzi ahlanganisiwe avele ukusika izinto ezinzima.
I-carbide efakwe i-cementide itholwe kanjani?
I-Carbide efakwe ngoCement eyenziwe ngensimbi eyenziwe nge-powder metallurgy of carbides kanye nezinsimbi ze-binder zensimbi eyodwa noma eziningi zokuphindaphindeka.
Mamazwe akhiqiza ama-ajor
Kunamazwe angaphezu kwama-50 emhlabeni akhiqiza i-carbide eyenziwe ngesibili, enomphumela ophelele we-27,000-28,000t-. Abakhiqizi abaphambili base-United States, eRussia, iSweden, iSweden, iChina, iJalimane, iJapan, i-United Kingdom, eFrance, njll. Umhlaba wonke we-Carbide Market ugcwele. , umncintiswano wemakethe unolaka kakhulu. Imboni ye-carbide yaseChina eyakhiwe ngesicathu yaqala ukwakheka ngasekupheleni kwawo-1950s. Kusukela ngo-1960s kuya kuma-1970s, imboni ye-carbide yaseChan China yathuthuka ngokushesha. Ekuqaleni kweminyaka yama-1990s, inani eliphelele lokukhiqiza leCarbide elihlanganisiwe elifinyelelwe nge-6000t, futhi okuphelele kokukhishwa kweCarbide eshisiwe kufinyelele ku-5000TT, okwesibili kuphela eRussia nase-United States, kufinyelela kwesithathu emhlabeni.
Umsiki we-wc
①tungsten kanye ne-cobalt camera carbide
Izakhi eziphambili zinguTungsten Carbide (WC) kanye ne-Binder Cobalt (CO).
Ibanga layo lakhiwa nge- "YG" ("Hard futhi Cobalt" ngesiShayina Pinyin) kanye namaphesenti okuqukethwe okuphakathi kwe-cobalt.
Isibonelo, i-YG8 isho i-WCO ephakathi = 8%, futhi okusele yiTungsten-Cobalt Carbide yeTungsten Carbide.
Imimese ye-tic
②ntungsten-titanium-carbolt carbide
Izakhi eziphambili zinguTungsten Carbide, iTitanium Carbide (Tic) neCobalt.
Ibanga layo lakhiwa nge- "YT" ("Hard, Titanium" izinhlamvu ezimbili ngesiqalo sasePhine Pineyin) kanye nokuqukethwe okuphakathi kwe-titanium carbide.
Isibonelo, i-YT15 isho i-WTI ephakathi = 15%, futhi okusele yi-tungsten Carbide neTungsten-Titanium-Cobalt Carbide nge-Cobalt.
Ithuluzi leTungsten Titanium Tantalum
③tungsten-titanium-tantalum (niobium) Carbide ohleliwe
Izakhi eziphambili zinguTungsten Carbide, iTitanium Carbide, iTantalum Carbide (noma i-NIOBIM CARBIDE) neCarbolt. Lolu hlobo lwe-carbide eliyisimemezelo lubizwa nangokuthi carbide olujwayelekile oluhlanganisiwe noma carbide oluhlanganisiwe.
Ibanga layo lakhiwa nge- "yw" (isiqalo sefonetiki saseChinese se- "Hard" ne- "Wan") kanye nenombolo yokulandelana, njenge-YW1.
Izici Zokusebenza
Ukufakwa kwe-carbide welded
Ubulukhuni obuphezulu (86 ~ 93hhra, okulingana no-69 ~ 81HRC);
Ubulukhuni obuhle bokushisa (kuze kufike ku-900 ~ 1000 ℃, gcina u-60hrc);
Ukumelana okuhle kwe-abrasion.
Amathuluzi okusika carbide anezikhathi ezi-4 kuye kwezingu-7 ngokushesha kunensimbi enesivinini esiphakeme, futhi impilo yamathuluzi iphakeme ngama-5 kuya ku-80. Ukukhiqiza isikhunta namathuluzi wokulinganisa, impilo yensizakalo iphakeme ngama-20 kuye kwayi-150 aphezulu kunensimbi yensimbi ye-alloy. Kunganciphisa izinto ezinzima ezingaba ngu-50hrc.
Kodwa-ke, i-carbide eyenziwe ngesihlanganisiwe iyi-brittle futhi ayikwazi ukufakwa emnyanweni, futhi kunzima ukwenza amathuluzi ahlanganisiwe anezimo eziyinkimbinkimbi. Ngakho-ke, ama-blade ezinhlaka ezahlukahlukene ajwayele ukwenziwa, afakwe emzimbeni wamathuluzi noma emzimbeni wokubumba ngokufudumeza, ukubopha, ukubopha imishini, njll.
Ibha ekhethekile
Ukuqoqa
I-Carbide Carting Sconding yokubumba ukucindezela i-powder ku-billet, bese ufaka isitho somlilo ukuze ushise izinga elithile lokushisa (izinga lokushisa), bese uyipholisa phansi ukuthola impahla ye-carbide enomthwalo wezempi.
Inqubo ye-carbide deteride yesono ingahlukaniswa izigaba ezine eziyisisekelo:
1: Esesigabeni sokususa umenzeli owakhekayo kanye nesono sangaphambi kokuthola i-econing, umzimba othosiwe ushintsha kanjena:
Ukususwa kwe-ejenti yokubumba, ngokwanda kwezinga lokushisa esigabeni sokuqala sesono, i-ejenti yokubumba kancane kancane incibilikisa noma idonsa kanzima, kanye nomzimba ononile. Uhlobo, ubungako kanye nenqubo ye-sontering yehlukile.
Ama-oxides ebusweni be-powder ancishisiwe. Ekushiseni kwesono, i-hydrogen inganciphisa ama-oxides e-cobalt ne-tungsten. Uma umenzeli owakhekayo esuswa ku-vacuum futhi esono, ukusabela kwekhabhoni-oxygen akunamandla. Ukucindezela kokuxhumana phakathi kwezinhlayiya ze-powder kuqedwa kancane kancane, i-bonding metal powder iqala ukululama futhi iphinde iphinde isebenze, ukuguquguquka komhlaba kuqala ukwenzeka, futhi amandla okuqala athuthukile.
2: Isigaba Esiqinile Sokuphonsa Isigaba (800 ℃-Heatectic lokushisa)
Emazingeni okushisa ngaphambi kokuvela kwesigaba se-liquid, ngaphezu kokuqhubeka nenqubo yesigaba esedlule, ukusabela kwesigaba esiqinile nokuphazamiseka kuyanda, ukugeleza kwepulasitiki kuyathuthukiswa, futhi umzimba othosiwe uyathuthukiswa, futhi umzimba othosiwe uyathuthukiswa, futhi umzimba ophonswe uphonswa kakhulu.
I-3: Isigaba Sokugcina Isigaba Sokuphonsa (izinga lokushisa le-eutectic - amazinga okushisa wesono)
Lapho kuvela isigaba se-ketshezi emzimbeni othosiwe, i-shrinkage isiqediwe ngokushesha, kulandelwa ukuguqulwa kwe-crystallographic ukwakha isakhiwo esiyisisekelo nokwakheka kwe-alloy.
4: Isigaba sokupholisa (izinga lokushisa elinesono - lokushisa kwegumbi)
Kulesi sigaba, ukwakheka kanye nokwakheka kwesigaba kwe-alloy kunezinguquko ezithile ezinezimo ezihlukile zokuphola. Lesi sici singasetshenziswa ukushisa i-carbide enomthwalo we-center ukuthuthukisa izakhiwo zayo ezingokomzimba nezemishini.
Isikhathi sePosi: APR-11-2022
