IINDABA

I ezahlukeneyo impahlas yemivalo yokuvuthelazixhomekekekwimivalo yokubetha ngokwayo,leyo unakomazenziwe ngentsimbi yemanganese, intsimbi yolwakhiwo lwe-martensitic (intsimbi ye-martensitic), intsimbi yekhrom, okanye imidibaniso yesinyithi yematrix (MMC, efana ne-ceramic). Ii-MMCs zenziwe ngeentlobo ezahlukeneyo zentsimbi kunye neentlobo ezikhethekileyo zeceramic.

Njengoko ukunyanzeliswa kokugqoka (ubunzima) bezinto zetsimbi kwanda, ukuqina (ukuchasana kwempembelelo) kuya kuncipha ngokuqhelekileyo.

I nxiba-ukumelanace yemanganeseintsimbiuyezaukusuka emsebenziniukuqina. I umphezulu phantsi amandla ivelisa ulwakhiwo ukuqina phantsi impembelelo umthwalokwayei-extrusion umthwalo. I yokuqala ubulukhuniyemanganeseintsimbi yimalunga200 HV (20 HRC,ngokutshokwi Rockwellubulukhuni uvavanyo), and yayoimpembeleloamandla yimalunga250 J/cm2.Emva kokoumsebenziukuqina, iyokuqala ubulukhuni Nyusas ukuyaukusebenza ubulukhuni leyoyimalunga500 HV (50 HERC), ngelixaiNzulu kakhulu iziko inxalenyenangokuuhlalaikulungile ubunzimayeintsimbi impahla ukusukelaayiyolukhunied.Iubukhulu and iubulukhuniyehayik-lukhuniumaleko zixhomekekes kwiisicelokwaye iuhloboyemanganese intsimbi. Iubukhuluyenzimanedumalekoyimalunga10 mm.

Manganeseintsimbi,leyo uyeaixesha elide imbaliyokusetyenziswa, ngokuubukhulu becala esetyenzisiweyongenxaumhlathi ipleyitis, eshukumayo ikhowunis kunyeiqokobhes yeisityumzis. Ukwenzela iimpembelelo isityumzi, kucetyiswa kuphela ukusebenzisa imivalo yentsimbi yemanganesenini ukutyumza impahlaUkunxiba okuphantsi -kudlakwi aenkulu isixa,enjaloas ilitye lekalika.

The ikhabhoni in ichromeintsimbi yingokwekhemikhali ibotshiwekwiifomuyeichromium carbide.I-wear-resistanceyentsimbi chrome ikakhulu isekelwe kwiuphawukwe theii-carbides ezinzima.The i-offsetyeisikhundlakunye ne-offsetphakathi umalekos is banqande ngexesha shushu ukuqhubekeka, ngolo hlobo ukufumana phezulu amandlakwayengaphantsi ubunzima. Ukuyathintelaiimpahla ukusukaukuba brittle, ibha yokuvuthelakufunekakubainkquboed kunye ubushushu unyango,leyo kufunekakubayenziwe ngokutshokwingqongqo ukufudumeza ubushushukwayeukuhlambaixesha.