Umehluko Phakathi Kwensimbi Ephakeme Nensimbi yeTungsten

Insimbi enejubane elikhulu iyinsimbi eyinkimbinkimbi yengxubevange, equkethe izinto ezakha i-carbide efana ne-tungsten, i-molybdenum, i-chromium, i-vanadium ne-cobalt. Inani eliphelele lezinto zokuhlanganisa cishe liyi-10-25%. Ingagcina ukuqina okuphezulu noma ngabe ukushisa okuphezulu kwenziwa ukusika ngesivinini esikhulu (cishe ama-500 ℃), kanti i-HRC ingaba ngaphezu kwama-60. Lesi yisici esiyinhloko sobulukhuni obubomvu bensimbi obubomvu. Ngemuva kokucinywa nokufuthwa ekushiseni okuphansi, ithuluzi lensimbi lekhabhoni linobulukhuni obuphezulu ekamelweni lokushisa, kepha lapho izinga lokushisa liphakeme kuno-200 ℃, ubulukhuni buyehla kakhulu, futhi ubulukhuni obungu-500 ℃ buyehlele ezingeni elifana nesimo esidaluliwe . , Ilahlekelwe ngokuphelele ikhono lokusika insimbi, okubeka umkhawulo ekusetshenzisweni kwensimbi yethuluzi lekhabhoni ukwenza amathuluzi okusika. Insimbi enejubane elikhulu, ngenxa yobulukhuni bayo obomvu obuhle, yenzelwa ukushiyeka okubulalayo kwensimbi yethuluzi lekhabhoni.

Insimbi enejubane elikhulu isetshenziselwa ukukhiqiza amathuluzi okusika ensimbi anemiphetho emincanyana futhi amelana nomthelela. Ingakha futhi ukushisa okuphezulu ezivezas kanye ne-extrusion ebandayo iyafa, njengamathuluzi okuphendukisa, ama-drill, ama-hobs, ama-saw blade, kanye nesikhunta esidingekayo.

Insimbi ye-Tungsten (ingxubevange eqinile) inochungechunge lwezinto ezinhle kakhulu ezifana nobulukhuni obuphakeme, ukugqoka ukumelana, amandla nokuqina, ukumelana nokushisa kanye nokumelana nokugqwala, ikakhulukazi ubunzima bayo obuphakeme nokuqina kokugqoka, noma kushisa okungama-500 ℃ Ngokuyisisekelo kuhlala kungashintshiwe, kusenobunzima obukhulu kakhulu ku-1000 ℃.

Insimbi ye-Tungsten, izingxenye zayo eziyinhloko i-tungsten carbide ne-cobalt, ebalwa ngama-99% azo zonke izinto, kanti i-1% ezinye izinsimbi, ngakho-ke ibizwa ngokuthi i-tungsten steel, eyaziwa nangokuthi i-cemented carbide, futhi ibhekwa njengamazinyo omkhakha wanamuhla .
Insimbi ye-Tungsten yinto ehlanganisiwe eyenziwe sintered okungenani eyenziwe nge-carbide eyodwa yensimbi. I-Tungsten carbide, i-cobalt carbide, i-niobium carbide, i-titanium carbide, ne-tantalum carbide yizinto ezivamile zensimbi ye-tungsten. Usayizi wokusanhlamvu we-carbide component (noma isigaba) imvamisa uphakathi kuka-0.2-10 microns, kanti okusanhlamvu kwe-carbide kuhlanganiswe ndawonye kusetshenziswa isibopho sensimbi. Insimbi yokuhlanganisa imvamisa iyinsimbi yeqembu lensimbi, futhi i-cobalt ne-nickel kuvame ukusetshenziswa. Ngakho-ke kukhona ama-alloys we-tungsten-cobalt, ama-alloys we-tungsten-nickel kanye ne-tungsten-titanium-cobalt alloys.

I-Tungsten steel sintering molding ukucindezela i-powder ibe yinto engenalutho, bese uyishisa ibe isithando somlilo ekushiseni okuthile (ukushisa okushisa), uyigcine isikhathi esithile (isikhathi sokubamba), bese uyipholisa ukuze uthole insimbi ye-tungsten impahla nokusebenza okudingekayo.

CarI-carbide eqinisekisiwe ye-Tungsten-cobalt

Izingxenye eziyinhloko yi-tungsten carbide (WC) ne-binder cobalt (Co). Ibanga lakhiwe nge- "YG" (iziqalo ze-Chinese pinyin ye- "hard and cobalt") namaphesenti wokuqukethwe kwe-cobalt okumaphakathi. Isibonelo, i-YG8 isho ukuthi i-WCo ejwayelekile = 8%, kanti enye i-carbide e-tungsten-cobalt eqinisekisiwe ye-tungsten carbide.

I-carbide eqinisekisiwe ye-Tungsten-titanium-cobalt

Izingxenye eziyinhloko yi-tungsten carbide, titanium carbide (TiC) ne-cobalt. Ibanga liqukethe i- "YT" (ama-initials we-Chinese pinyin ka- "hard and titanium") nokuqukethwe okumaphakathi kwe-titanium carbide. Isibonelo, i-YT15 isho ukuthi i-TiC ejwayelekile = 15%, kanti enye i-carbide ye-tungsten carbide ne-cobalt tungsten-titanium-cobalt eqinisekisiwe.

Ingxubevange eqinile ye-Tungsten-titanium-tantalum (niobium)

Izingxenye eziyinhloko yi-tungsten carbide, i-titanium carbide, i-tantalum carbide (noma i-niobium carbide) ne-cobalt. Lolu hlobo lwe-carbide oluhlanganisiwe lubizwa nangokuthi i-carbide ejwayelekile eqinisekisiwe noma i-carbide ehlanganisiwe jikelele. Ibanga lakhiwe nge- "YW" (iziqalo ze-Chinese Pinyin ye- "hard" ne- "万") kanye nenombolo yokulandelana, njenge-YW1.

Insimbi ye-Tungsten inochungechunge lwezinto ezinhle kakhulu ezifana nobulukhuni obuphakeme, ukumelana nokugqoka, amandla amahle nobulukhuni, ukumelana nokushisa kanye nokumelana nokugqwala, ikakhulukazi ukuqina kwayo okuphezulu nokugqoka ukumelana, okuhlala kungashintshi ngisho nasekushiseni okungama-500 ° C. Kusenobulukhuni obuphakeme ku-1000 ° C. I-carbide ehlanganisiwe isetshenziswa kabanzi njengezinto zokusebenza, njengokuguqula amathuluzi, ukusika imishini, izingcezu zokubhoboza, ukusika okuyisidina, njll. Ijubane lokusika le-carbide elisha eliqinisekisiwe liphindwe kaningi kunalelo lekhabhoni lensimbi.

Xhumanisa nale ndatshana: Umehluko Phakathi Kwensimbi Ephakeme Nensimbi yeTungsten

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