Rudzii rweChinhu Chinonzi Tungsten Simbi?

Kuomarara kwesimbi ye tungsten ndeyechipiri chete kune diamond, asi haigone kushandiswa sebanga rekushandisa zvakajairika.

Kutaura nezve tungsten simbi, ndinotenda kuti shamwari dzakawanda hadziwanzoinzwa. Asi kana zvasvika kune rimwe zita rayo: cemented carbide, munhu wese anofanira kunge achiri kujairana nazvo nekuti zvinofanirwa kubata nazvo mukugadzira michina. Cemented carbide imhando yepamusoro-yakaoma yekugadzira zvinhu, uye chikamu chayo chikuru itema tungsten hupfu mushure mekunyungudika carbonization.

Zvinoenderana nezvinodiwa zvakasiyana zvechigadzirwa, kuumbwa kwayo kwakakwira se85% kusvika 97%. Zvimwe zvese zviri mukati zvinonyanya cobalt, titanium, mamwe masimbi, uye mabhainda. Isu tinowanzo kutaura kuti simende carbide ndiyo tungsten simbi. Kunyatsotaura, tungsten simbi ndeye simende carbide. Tungsten isimbi yakakosha ine dense ine yakanyanya kunyungudika uye yakanaka conductivity yemagetsi. Saka inoshandiswa seyemagetsi filament uye electrode ye argon arc welding. Tungsten simbi inonyanya kuratidzwa nekuoma kwayo kwepamusoro uye kusagadzikana kwekupfeka.

Kunyangwe pakupisa kwakanyanya kwezviuru zvemadhigirii, tungsten simbi ine kuoma kwakanyanya. Kuoma kwe tungsten simbi yechipiri chete kune diamond. Inozivikanwa sezino reindasitiri yemazuva ano, tungsten simbi ine zvinhu zvakawanda zvakanakisa, senge kupisa kwekudzivirira, kusaita ngura, uye kugadzikana kwakanaka. Naizvozvo, inoshandiswa zvakanyanya mukugadzira maturusi ekucheka anomhanya-mhanya, senge tepi drills, milling cutters, saw blades, uye high-tembiricha roketi injini nozzles.

Sezvo iyo Rockwell kuomarara kwetungsten simbi yakakwira se90HAR, ine yakaderera kuoma uye yakanyanya brittle. Zvigadzirwa zvesimbi zveTungsten zvinogona kuputswa kana zvadonhedzwa pasi, saka tungsten simbi haina kukodzera kushandiswa kwezuva nezuva kwemablades. Iyo nzira yekugadzira tungsten simbi ipfu simbi. Kutanga, iyo yakasanganiswa tungsten poda inomanikidzwa muforoma uye yozopisa kune imwe tembiricha muchoto chinopisa. Mushure mekutonhora, inodiwa tungsten simbi isina chinhu inowanikwa. Mushure mekucheka nekugaya, chigadzirwa chakapedzwa chinobuda. Nekuvandudzwa kwezvinhu zvitsva uye matekinoroji, nyika zhinji dziri kugadzira ma superalloys matsva, uye tungsten simbi ndiyo inonyanya kunakidza simbi mune zvemazuva ano zvinhu zvesainzi uye simbi, uye tungsten simbi iri kuwedzera kukosha mune alloys. Naizvozvo, zvinokwanisika kukudziridza akasimba matsva alloys kuburikidza neakakosha zvivakwa zve tungsten simbi.

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