I-Polycrystalline Diamond (PCD) iyinhlanganisela ye-polycrystalline corundum eyakhiwe ngaphansi kokushisa okuphezulu nok pressure, ngokuvamile ibangelwa yimiphumela yemikhakha ye-micrometer ye-diamond particles ekushiseni okuphezulu nase-pressure. I-corundum enesimo se-plate inobunzima obuphakeme kakhulu, ukumelana nokugqoka, ukuzinza kwemichiza, kanye nokuhambisa ukushisa, okwenza kube impahla ebalulekile emikhakheni ehlukahlukene yokusebenza ephezulu efana nezinsiza zokusika, ama-abrasives, kanye nezinto ezihambisa ukushisa.
Okokuqala, i-corundum enesimo se-plate inobukhulu obuphezulu kakhulu, kuphela kwe-diamond ye-single crystal, enobukhulu obungaphezu kwe-9000HV, okuphakeme kakhulu kunezinye izinto zensimbi nezingenasimbi. Okwesibili, izinga lokugqwala le-corundum enesimo se-plate liphansi kakhulu, okungagcina ubukhali isikhathi eside, kodwa futhi kunciphise ukugqwala kwezinto nokulahleka kokushisa, ngaleyo ndlela kuthuthukise ukusebenza kahle komsebenzi nokusetshenziswa kwamandla. Ngaphezu kwalokho, i-corundum enesimo se-plate inobuhle obuhle bokumelana nokugqwala kanye nokuzinza kokushisa, futhi ingasebenza kahle ezindaweni ezishisayo, ezinamandla aphezulu, nezindawo ezinomthelela.
Emkhakheni wokukhiqiza kwezomnotho, ububanzi bokusetshenziswa kwe-corundum efana nephepha bukhulu kakhulu. Isibonelo, emkhakheni wokucubungula imishini, i-corundum efana nephepha ingasetshenziswa ukukhiqiza amathuluzi ahlukahlukene okusika, njengamathuluzi okuphendula, ama-milling cutters, ama-drill bits, ama-planers, amathuluzi okusika, ama-abrasives, njll., angathuthukisa kahle ukusebenza kokusika kanye quality yokusika. Emkhakheni wezobuchwepheshe bezokuxhumana, i-corundum efana nephepha ingasetshenziswa ukukhiqiza amadivayisi kagesi anamandla aphezulu, ama-heat sinks, ukupakishwa kwe-LED, ukukhiqizwa kwe-semiconductor, njll., okungathuthukisa ukusebenza kanye nempilo yama-divayisi kagesi. Ngaphezu kwalokho, i-corundum efana nephepha ingasetshenziswa futhi ukukhiqiza ama-reactors ahlukahlukene emichini, izitofu ezishisayo, nezikhwama eziphezulu, futhi ingasebenza ngokuzinzile ezindaweni ezishisayo, eziphezulu, nezonakalisayo.
Ngokuhlanganisa, i-corundum efana nepulazi iyimaterial yokusebenza ephezulu enesidingo esikhulu, enezakhiwo ezinhle zomzimba nezamakhemikhali kanye nezinhlelo zokusebenza ezibanzi, iletha amathuba angenamkhawulo wokwakha ubuchwepheshe nokuthuthukiswa kwemboni.