Kuchuluka kwa Tungsten Carbide

Tungsten Carbide, yomwe imadziwika kuti mano amakampani, ndiyomwe imachokera kumunsi. Ndiwodziwika chifukwa cha zinthu zake zabwino kwambiri, kuphatikiza kuuma kwakukulu, kulimba kwakukulu, kachulukidwe kwambiri, kukana kuvala, komanso kukana dzimbiri, kotero kuti, zitha kupangidwa kukhala zida zosiyanasiyana zobowola, odulira, zida zobowola miyala, zida zamigodi, zida zovalira, zomangira zomangira. , ndi zina zotero. M'makampani, tidzagwiritsa ntchito magawo ambiri kuyesa ndikuwonetsetsa kuti zinthu za tungsten carbide ndi zapamwamba kwambiri. M'nkhaniyi, zofunikira zakuthupi, kachulukidwe, zidzakambidwa.

Kodi density ndi chiyani?

Kachulukidwe ndi chinthu chofunikira pamakina kuti chiwonetse kuchuluka kwa simenti ya carbide pa voliyumu ya unit. Voliyumu yomwe tatchula apa, imaphatikizapo kuchuluka kwa pores muzinthuzo. Malinga ndi dongosolo lapadziko lonse la mayunitsi ndi magawo oyezera mwalamulo ku China, kachulukidweko kakuyimiridwa ndi chizindikiro ρ, ndipo kachulukidwe kake ndi kg/m3.

Kuchuluka kwa tungsten carbide

Pansi pakupanga komweko komanso magawo omwewo, kuchuluka kwa simenti ya carbide kudzasintha ndi kusintha kwa mankhwala kapena kusintha kwa chiŵerengero cha zinthu zopangira.

Zigawo zikuluzikulu za YG mndandanda simenti carbides ndi tungsten carbide ufa ndi cobalt ufa. Pazifukwa zina, pamene cobalt ikuwonjezeka, kachulukidwe ka alloy amachepetsa, koma pamene mtengo wofunikira ufikiridwa, kusinthasintha kwa kachulukidwe kumakhala kochepa. Kachulukidwe aloyi ya YG6 ndi 14.5-14.9g/cm3, kachulukidwe ka aloyi ya YG15 ndi 13.9-14.2g/cm3, ndi kachulukidwe ka aloyi a YG20 ndi 13.4-13.7g/cm3.

Zigawo zazikulu za YT mndandanda wa simenti wa carbide ndi tungsten carbide ufa, titanium carbide ufa, ndi cobalt ufa. Pazifukwa zina, monga zomwe zili mu titaniyamu carbide ufa ukuwonjezeka, kachulukidwe aloyi amachepetsa. YT5 kachulukidwe aloyi 12.5-13.2g/cm3, YT14 kachulukidwe aloyi 11.2-12.0g/cm3, YT15 aloyi kachulukidwe 11.0-11.7g/cm3

Zigawo zazikulu za YW series cemented carbide ndi tungsten carbide powder, titanium carbide powder, tantalum carbide powder, niobium carbide powder, ndi cobalt powder. Kachulukidwe a aloyi YW1 ndi 12.6-13.5g/cm3, kachulukidwe aloyi YW2 ndi 12.4-13.5g/cm3, ndi kachulukidwe aloyi YW3 ndi 12.4-13.3g/cm3.

Chifukwa cha kuchulukira kwake, carbide yokhala ndi simenti imatha kupangidwa kukhala zinthu zosiyanasiyana, monga mawotchi amakina, ndodo zolemetsa zomwe zimagwiritsidwa ntchito m'mafakitale obowola monga mafuta, mawotchi a pendulum, ma ballast oyenda panyanja, panyanja, ndi zina zambiri. ,  chomwe chingatsimikizire kuti zinthu zikuyenda bwino kapena zokhazikika, kapena kupulumutsa kwambiri ntchito ya ogwira ntchito.

Zinthu za tungsten carbide density

Kachulukidwe kachulukidwe kazinthu, chiŵerengero cha zinthu zopangira, microstructure, njira yopangira, magawo azinthu, ndi zina. Nthawi zambiri, magawo ogwiritsira ntchito ma carbides okhala ndi makulidwe osiyanasiyana amasiyananso. Zotsatirazi zikuwonetsa zomwe zimayambitsa kachulukidwe ka aloyi.

1. Kapangidwe kazinthu

Carbide yokhala ndi simenti imatha kupangidwa ndi ma ufa awiri, tungsten carbide powder (WC ufa) ndi cobalt ufa (Co ufa), kapena atatu ufa: WC ufa, TiC ufa (titanium carbide powder) ndi Co ufa, kapena WC ufa. Ufa, TiC ufa, TaC ufa (tantalum carbide powder), NbC ufa (niobium carbide powder), ndi Co ufa. Chifukwa cha mitundu yosiyanasiyana ya aloyi zipangizo, kachulukidwe aloyi ndi osiyana, koma magawo ofanana: kachulukidwe aloyi YG6 ndi 14.5-14.9g/cm³, kachulukidwe aloyi YT5 ndi 12.5-13.2g/ cm³, ndipo makulidwe a aloyi ya YW1 ndi 12.6-13.5g/cm³.

Nthawi zambiri, kuchuluka kwa tungsten-cobalt (YG) simenti ya carbide kumawonjezeka ndi kuchuluka kwa ufa wa WC. Mwachitsanzo, kachulukidwe ka aloyi wokhala ndi ufa wa WC wa 94% (YG6 alloy) ndi 14.5-14.9g/cm³, ndi WC powder content The 85% alloy (YG15 alloy)ndi 13.9-14.2g/cm³.

Kachulukidwe ka tungsten-titanium-cobalt (YT) hard alloys amachepa ndi kuchuluka kwa TiC powder content. Mwachitsanzo, kachulukidwe ka aloyi okhala ndi TiC ufa wa 5% (YT5 alloy) ndi 12.5-13.2g/cm³, ndipo TiC ufa wokhutira ndi 15%. Kachulukidwe ka aloyi (YT15 alloy) ndi 11.0-11.7g/cm³.

2. Microstructure

Porosity imayamba makamaka chifukwa cha pores ndi kuchepa ndipo ndichizindikiro chofunikira pakuweruza mtundu wa carbide yopangidwa ndi simenti. Zifukwa zazikulu zopangira ma pores a simenti a carbide ndi monga kuwotcha mopitirira muyeso, kuphatikizika kwa organic, kuphatikizika kwazitsulo, zinthu zosakanikiza bwino, ndi zinthu zosagwirizana.

Chifukwa cha kukhalapo kwa pores, kachulukidwe weniweni wa alloy ndi wocheperako poyerekeza ndi kachulukidwe kamalingaliro. Akuluakulu kapena ochulukirapo, aloyi wocheperako amakhala ndi kulemera kwake.

3. Njira yopangira

Kupanga kumaphatikizapo njira yopangira zitsulo za ufa ndi ukadaulo woumba jekeseni. Zowonongeka monga carburizing, kuwotcha pang'ono, kuyipitsa, kutsekemera, kupukuta, ndi kusakaniza panthawi ya kukanikiza ndi sintering kumapangitsa kuchepa kwa kachulukidwe ka simenti ya carbide.

4. Malo ogwirira ntchito

Nthawi zambiri, ndi kusintha kwa kutentha kapena kupanikizika, voliyumu kapena kachulukidwe ka aloyi nawonso amasintha mofanana, koma kusinthako kumakhala kochepa ndipo kunganyalanyazidwe.

Ngati mukufuna zinthu za tungsten carbide ndipo mukufuna zambiri ndi zambiri, mutha kulumikizana nafe.