Kodi zolemeretsa carbide, cangsten carbide, zitsulo zolimba, zolimba ??

Zinthu zodziwika bwino zopangidwa ndi zitsulo zolimba za chitsulo chokhazikika komanso chitsulo cholumikizira kudzera mu ufa wa ma metallirgy. Carbide yoletsedwa ili ndi mndandanda wazinthu zabwino kwambiri monga kuuma kwakukulu, kuvala mphamvu yabwino ndi kukana kwake, makamaka kuwonongeka kwa 500 ℃. Carbide imagwiritsidwa ntchito ngati zida, monga zida zosiyirira, ma bala odula, ma pikiti, zitsulo, chitsulo chosapanga, etc. Kuthamanga kuthamanga kwa zida zatsopano za carbidide tsopano kuli patadutsa mazana a kaboni.

Kugwiritsa ntchito carbide

(1) Zida

Carbide ndiye kuchuluka kwakukulu kwa zida za zida, zomwe zingagwiritsidwe ntchito kupanga zida zosiyitsira, ma bambani, zopangidwa ndi chitsulo, zopangidwa ndi Brass, etc.; Tungsten-Titanium-Cobat Calbide ndioyenera kukonza ma metals owopsa ngati chitsulo. Chip MacINE. Pakati pazinthu zofananira, omwe ali ndi cobabalame ambiri ndioyenera kugwiritsa ntchito makina owoneka bwino, ndipo omwe ali ndi cobalt zochepa ndizoyenera kumaliza. Cholinga Chosakaniza Carbides amakhala ndi moyo wautali kwambiri kuposa zina zopangira ma carbines ena opangira zida zovuta kuzipanga monga chitsulo chosapanga dzimbiri.

(2) Zovuta

Carbide yolumikizidwa imagwiritsidwa ntchito makamaka yogwirira ntchito yozizira ikafa monga zojambula zokometsera, kuzizira amwalira, kuzizira kumafa, ndipo kuzizira kumafa.

Carbide yozizira mutu amafunika kukhala ndi vuto labwino kwambiri, kuvutikira kwamphamvu, kutopa kwamphamvu, kubzala mphamvu ndi kuvala bwino. Pakatikati ndi kukwera cobalt ndi sing'anga ndi sing'anga masamba a Aloy magiredi nthawi zambiri amagwiritsidwa ntchito, monga yg15c.

Nthawi zambiri, ubale pakati pa kuvala carbidenti wosokoneza bongo ukutsutsana: Kuchulukitsa kuvala kukana kumapangitsa kuchepa kwa mphamvu, ndipo kuchuluka kwa kulimba mtima kumabweretsa kuchepa kwa kukana. Chifukwa chake, posankha magiredi a Aloy, ndikofunikira kukwaniritsa zofunikira zina malinga ndi chinthu chogwiritsira ntchito ndikukonzanso ntchito.

Ngati kalasi yosankhidwa ili yovuta kwambiri ndikuwonongeka pakugwiritsa ntchito, kalasi yokhala ndi mphamvu yayitali iyenera kusankhidwa; Ngati kalasi yosankhidwa imakonda kuvala koyambirira komanso kuwonongeka pakugwiritsa ntchito, kalasi yokhala ndi kuuma kwakukulu komanso kuvala bwino kuyenera kusankhidwa. . Maphunziro otsatirawa: yg15c, yg18c, yg20c, yl60, yg22c, yg25c kuchokera kumanzere, ndipo kuvuta kumachepa; M'malo mwake, zosiyana ndi zowona.

(3) Zida zoyezera ndi magawo ovala

Carbide amagwiritsidwa ntchito ngati zingwe zowonongeka ndi zida zoyezera, zojambula za opindika, zigawo zowongolera ndi ziboda zowongolera za ma latch ndi mbali zina zowonongeka.

Zitsulo zomata nthawi zambiri zimakhala zitsulo zopangira zitsulo, zomwe nthawi zambiri zimakonda ndi nickel.

Popanga carbide ya carbide, kukula kwa tinthu tating'onoting'ono tomwe timasankhidwa pakati pa 1 ndi 2 mikala, ndipo kuyera kwake ndi kwakukulu. Zida zophatikizika zimavunda malinga ndi zopangidwazo, ndipo mowa kapena zofalitsa zina zimawonjezeredwa popukutira mu mphero yonyowa kuti ikhale yosakanizidwa kwathunthu ndikuyipitsidwa. Save osakaniza. Kenako, osakaniza amazimitsidwa, atapanikizika, ndikutenthetsa kutentha kukhazikika kwa chitsulo cham'madzi (1300-1500 ° C), gawo louma ndi chitsulo cholumikizira ndi chitsulo champhamvu. Pambuyo pozizira, magawo olimba amagawidwa mu grid grid yopangidwa ndi zitsulo zolumikizirana ndikulumikizana wina ndi mnzake kupanga chokwanira. Kuumitsa kwa carbides kumadalira gawo lolimba komanso kukula kwa tirigu, ndiye kuti, wokwera gawo lomwe lilimbili lolimba ndi kumeterera mbewu, kuuma kwakukulu. Kuthekera kwa carbide yokhazikika kumatsimikizika ndi chitsulo chonyowa. Zapamwamba za zitsulo zokwera, mphamvu zapamwamba kwambiri.

Mu 1923, Schlerter waku Germany adaonjezera 10% mpaka 20% cobat kuti agwede mkaka ngati chofunda, ndipo adapanga calside yatsopano ya tungsten ndi cobat. Kuumitsa kuli kwachiwiri kwa daimondi yokha. Mbali yoyamba yopangidwa. Mukamadula chitsulo ndi chida chopangidwa ndi chiloloni ichi, kudula kodula kumatha msanga, ndipo m'mphepete. Mu 1929, Schwarzkov ku United States adalemba cangbide carbide ndi titanium carbide corbider carbides to carbides to carbides yoyambirira, yomwe inasintha magwiridwe antchito a chipangizocho. Izi ndi zopambana m'mbiri ya kukula kwa carbide.

Carbide yoletsedwa ili ndi mndandanda wazinthu zabwino kwambiri monga kuuma kwakukulu, kuvala mphamvu yabwino ndi kukana kwake, makamaka kuwonongeka kwa 500 ℃. Carbide imagwiritsidwa ntchito ngati zida, monga zida zosiyirira, ma bala odula, ma pikiti, zitsulo, chitsulo chosapanga, etc. Kuthamanga kuthamanga kwa zida zatsopano za carbidide tsopano kuli patadutsa mazana a kaboni.

Carbide imatha kugwiritsidwanso ntchito kupanga zida zobowola za rock, zida zokutira, zitsulo zoyezera, zitsulo zosemera, zitsulo zokhala ndi nkhungu.

Pambuyo pake, Carbide wokutidwa ndi Carbide adatulukanso. Mu 1969, Sweden adapanga chida cha Cathium carbidium. Pansi pa chida ndi tungsten-titanium-coble carbide kapena tubste-cobalt carbide. Kukula kwa carbide ya Titaniyamu pamtunda ndi ma microns ochepa okha, koma poyerekeza ndi mtundu womwewo wa zida zofananira, moyo wa ntchito umawonjezeredwa ndi katatu, ndipo liwiro limachulukitsidwa ndi 50%. Mu 1970s, m'badwo wachinayi wa zida zophikira udatuluka kuti adutse zida zamagetsi.

Kodi kusamalidwa kumatha bwanji?

Zovala za carbide ndi zida zachitsulo zopangidwa ndi ufa wa ufa wa ma carbider ndi zitsulo zingapo kapena zingapo.

MAJOR Kupanga Mayiko

Pali maiko oposa 50 padziko lapansi omwe amapanga carbide, ali ndi litaite zonse za 27,000-28,000t-. Opanga akuluakulu ndi United States, Russia, Sweden, China, Germany, Germany, United Kingdom, France, ndi zina. , Mpikisano wamasika ndi wowopsa kwambiri. Makampani ogulitsa magalimoto a Carbide adayamba kuoneka bwino kumapeto kwa zaka za m'ma 1950. Kuyambira m'ma 1960 mpaka m'ma 1970, ogulitsa carbide adayamba kuchitika mwachangu. Kumayambiriro kwa zaka za m'ma 1990, kuchitika konse kwa Carbide wa China kunafika 6000t, ndipo ntchito yonse ya Carbider idafika 5000t, yachiwiri kokha ku Russia ndi United States padziko lapansi.

WC Duterter

①Tungsten ndi cobabala
Zigawo zazikuluzikulu ndi cangsten carbide (WC) ndi Cobar Cobalt (CO).
Kalasi yake imapangidwa ndi "yg" ("zolimba ndi cobalt" mu Chinese Pinyin) ndi kuchuluka kwa mitengo ya cobabala.
Mwachitsanzo, YG8 imatanthawuza pafupifupi Wco = 8%, ndipo ena onse ndi cabste-cobalt ya cangsten.
Mipeni ya tic

②Tungsten-Titanium-Cobalt Carbide
Zigawo zikuluzikulu ndi cangsten Carbide, catbium carbide (tic) ndi cobatt.
Gawo lake limapangidwa ndi "YT" ("zolimba, titanium" zilembo ziwiri m'chigawo chachinayi) komanso kuchuluka kwa carbide.
Mwachitsanzo, YT15 imatanthawuza pafupifupi WTI = 15%, ndipo ena onse ndi cangsten ndi tubsten-Titanium-cobalt calbide wokhala ndi mitengo ya cobabala.
Chida cha Tungsten Titanium tantlum

③Tungsten-Titanium-tantalum (Niobium)
Zigawo zikuluzikulu ndi cangsten Carbide, Titanium Carbide, tantalum carbide (kapena Niobium Calbide) ndi cobat. Carbide yosiyanasiyanayi imatchedwanso General Carbide kapena carbide padziko lonse lapansi.
Kalasi yake imapangidwa ndi "yw" (yolimba ya Chinese ya "HARD" ndi "W Win") kuphatikiza nambala yotsatizana, monga yw1.

Makhalidwe Akugwirira Ntchito

Carbide oyipitsitsa

Kulimbana Kwambiri (86 ~ 93hra, ofanana ndi 69 ~ 81hrc);

Kuumitsa kwabwino kwa mafuta (mpaka 900 ~ 1000 ℃, sungani 60hrc);

Kutsutsa kwa Abrasion.

Zida zodula za caride ndi nthawi 4 mpaka 7 mwachangu kuposa chitsulo chothamanga kwambiri, ndipo moyo wa chida ndi 5 mpaka 80. Kupanga nkhuni ndi Zida Zoyezera, ntchito ya moyo ndi 20 mpaka 150 kuposa ma 150 kuposa zitsulo za zitsulo. Itha kudula zinthu zolimba pafupifupi 50hrc.

Komabe, adakhazikitsa carbide ndilowoneka bwino ndipo sizingapangidwe, ndipo ndizovuta kupanga zida zophatikizika ndi mawonekedwe ovuta. Chifukwa chake, masamba a mawonekedwe osiyanasiyana nthawi zambiri amapangidwa, omwe amaikidwa pa thupi la chida kapena thupi lodetsedwa ndi kuwotcherera, kugwirizira, kukonzanso, etc..

Bar yooneka ngati yapadera

Ultering

Kuumba kwa carbiding carbiding ndikukanikiza ufa kukhala billet, kenako ndikulowetsa kutentha kwina kwa nthawi inayake (kusunga nthawi), kenako ndikuziziritsa kuti mupeze katundu wofunikira.

Njira yotchinga ya carbidide ya carbidide ikhoza kugawidwa m'magawo anayi oyambira:

1: Pakayambira kuchotsa othandizira kupanga, kusintha kwa thupi kotheratu motere:
Kuchotsa kwa wothandizi, ndikuchulukitsa kutentha mu gawo loyambirira la ochimwa, wothandizidwa pang'onopang'ono amawola kapena kupasuka, ndipo thupi loipa silimasiyidwa. Mtundu, kuchuluka ndi uchimo ndi zoyipa ndizosiyana.
Oxider pamwamba pa ufa amachepetsedwa. Pa kutentha kwa uchimo, haidrojeni kumatha kuchepetsa ma oxides a cobalt ndi tungsten. Ngati wothandizirayo amachotsedwa mu vacuum ndikuchimwa, mpweya-wa oxbon-oxygen sukulimba. Kupsinjika pakati pa ufa pang'onopang'ono kumachotsedwa pang'onopang'ono, ufa wachitsulo umayamba kuchira ndikubwezeretsanso, kusiyanasiyana kosiyanasiyana kumayamba kuchitika, ndipo mphamvu zobwezera zikuyenda bwino.

2: gawo lolimba la chivundi (800 ℃ - -Eutectic kutentha)
Pamatenthedwe chisanakhale gawo la gawo lamadzi, kuwonjezera pakupitiliza njira yapitayo, gawo lokhazikika ndi kusefukira kwapulasitiki imakulitsidwa, ndipo thupi loipa limatsitsidwa kwambiri.

3: Mfuti ya madzi madzi
Gawo laling'ono likawonekera m'thupi lolakwika, shrinkage limamalizidwa mwachangu, ndikutsatiridwa ndi ma crystallograph.

4: Gawo lozizira (kutentha kwa uchimo - kutentha kwa chipinda)
Pakadali pano, kapangidwe kake ka ziwonetsero za Alloy zimakhala ndi zosintha zina ndi zozizira zosiyanasiyana. Izi zitha kugwiritsidwa ntchito potenthetsa kusatchinjiriyo kuti isinthe mphamvu zake zakuthupi komanso zamakina.

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Post Nthawi: Apr-11-2022