I-carbide enosimende isho ingxubevange eyenziwe ngenhlanganisela yensimbi eyi-refractory njenge-matrix nensimbi eguquguqukayo njengesigaba se-binder, bese yenziwa ngendlela ye-powder metallurgy. Isetshenziswa kabanzi kwezezimoto, kwezokwelapha, kwezempi, kwezokuvikela kazwelonke, emkhathini, kwezokundiza kanye neminye imikhakha. . Kuyaphawuleka ukuthi ngenxa yezinhlobo ezahlukene kanye nokuqukethwe kwe-refractory metal carbides kanye nama-binders, izakhiwo ezingokomzimba nezamakhemikhali ze-carbide ezilungisiwe ezilungisiwe nazo zihlukile, futhi izakhiwo zabo zemishini nezomzimba zincike kakhulu kuhlobo lwe-carbide yensimbi. Ngokusho kwezingxenye eziyinhloko ezihlukene, i-carbide enosimende ingahlukaniswa ngohlobo lwe-YT kanye nohlobo lwe-YG lwe-cemented carbide.
Ngokombono wencazelo, i-YT-type cemented carbide ibhekisela ku-tungsten-titanium-cobalt-type cemented carbide, izingxenye eziyinhloko i-tungsten carbide, i-titanium carbide ne-cobalt, futhi igama lomkhiqizo lithi "YT" ("hard, titanium" amagama amabili isiqalo se-Chinese Pinyin) Sakhiwe ngokwesilinganiso sokuqukethwe kwe-titanium carbide, njenge-YT15, okusho ukuthi isilinganiso sokuqukethwe kwe-titanium carbide singu-15%, kanti okunye kuyi-carbide enosimende ene-tungsten carbide kanye nokuqukethwe kwe-cobalt. I-carbide enosimende yohlobo lwe-YG ibhekisela kuhlobo lwe-tungsten-cobalt-carbide enosimende. Izingxenye eziyinhloko yi-tungsten carbide ne-cobalt. Isibonelo, i-YG6 ibhekisela ku-tungsten-cobalt carbide enokuqukethwe okumaphakathi kwe-cobalt okungu-6% kanti enye i-tungsten carbide.
Ngokombono wokusebenza, womabili ama-carbide anosimende e-YT kanye ne-YG anokusebenza okuhle kokugaya, amandla okugoba nokuqina. Kumele kuqashelwe ukuthi ukumelana nokugqokwa kanye nokushisa okushisayo kwe-YT-type cemented carbide kanye ne-YG-type cemented carbide kuphambene. Owokuqala unokumelana nokugqoka okungcono kanye nokungahambi kahle kwe-thermal, kanti lokhu okulandelayo kunokumelana nokugqoka okungalungile kanye ne-thermal conductivity. kuhle. Ngokombono wohlelo lokusebenza, uhlobo lwe-YT lwe-carbide enosimende lufanele ukuphenduka okungalungile, ukuhlela okungalungile, ukuqeda kancane, ukugaya okungalungile kanye nokubhoboza indawo engaqhubeki lapho ingxenye engalingani ye-carbon steel ne-alloy steel isikwa ngezikhathi ezithile; I-YG yohlobo oluqinile lwe-alloy Ifanele ukuphenduka okungalungile ekusikeni kwensimbi ekhonjiwe, izinsimbi ezingenayo insimbi kanye nama-alloys azo kanye nezinto ezingezona ezensimbi, ukuqedwa kwe-semi-finishing kanye nokuqeda ngokusika okuphakathi.
Kunamazwe angaphezu kuka-50 emhlabeni akhiqiza i-carbide enosimende, enomphumela ophelele we-27,000-28,000t-. Abakhiqizi abakhulu yi-United States, Russia, Sweden, China, Germany, Japan, United Kingdom, France, njll. Imakethe yomhlaba wonke ye-carbide enosimende igcwele. , ukuncintisana kwemakethe kushubile kakhulu. Imboni yaseChina ye-carbide eyakhiwe yaqala ukwakheka ngasekupheleni kwawo-1950. Kusukela ngeminyaka yawo-1960 kuya ko-1970, imboni ye-carbide yaseChina yathuthuka ngokushesha. Ekuqaleni kwawo-1990, inani lokukhiqiza laseChina le-carbide enosimende lafinyelela ku-6000t, kanti inani eliphelele le-carbide enosimende lafinyelela ku-5000t, okwesibili kuphela e-Russia nase-United States, lisendaweni yesithathu emhlabeni.
Isikhathi sokuthumela: Apr-19-2022
