Iyatọ Laarin Irin Iyara Giga Ati Irin Tungsten
Iyatọ Laarin Irin Iyara Giga Ati Irin Tungsten
Irin-giga-giga (HSS) jẹ irin ọpa pẹlu líle giga, resistance wiwọ giga ati resistance ooru giga, ti a tun mọ ni irin afẹfẹ tabi irin iwaju, eyiti o tumọ si pe o le ni lile paapaa ti o ba tutu ninu afẹfẹ lakoko pipa, ati pe o didasilẹ pupọ. O tun npe ni irin funfun. |

Irin iyara to gaju jẹ irin alloy eka kan, ti o ni awọn eroja ti o ṣẹda carbide gẹgẹbi tungsten, molybdenum, chromium, vanadium, ati koluboti. Lapapọ iye awọn eroja alloying jẹ nipa 10-25%. O le ṣetọju líle giga paapaa nigbati ooru ti o ga ba ti ipilẹṣẹ nipasẹ gige iyara giga (nipa 500 ℃), ati pe HRC le wa ni oke 60. Eyi ni abuda akọkọ ti lile-pupa irin-pupa. Lẹhin ti o ti pa ati ki o binu ni iwọn otutu kekere, irin ọpa erogba ni líle giga ni iwọn otutu yara, ṣugbọn nigbati iwọn otutu ba ga ju 200 ℃, líle naa lọ silẹ ni mimu, ati lile ni 500℃ ti lọ silẹ si ipele ti o jọra si ipo annealed . , Patapata padanu agbara lati ge irin, eyiti o fi opin si lilo ohun elo erogba irin lati ṣe awọn irinṣẹ gige. Irin ti o ga julọ, nitori líle pupa ti o dara, ṣe soke fun awọn ailagbara apaniyan ti irin ọpa erogba.
Irin iyara to gaju ni a lo ni akọkọ lati ṣe agbejade eka tinrin-eti ati awọn irinṣẹ gige irin ti ko ni ipa. O tun le ṣe iṣelọpọ iwọn otutu giga aras ati tutu extrusion ku, gẹgẹ bi awọn irinṣẹ titan, drills, hobs, ẹrọ ri abe, ati demanding molds.
Tungsten irin (lile alloy) ni lẹsẹsẹ awọn ohun-ini ti o dara julọ gẹgẹbi lile lile, yiya resistance, agbara to dara ati lile, ooru resistance ati ipata resistance, ni pataki líle giga rẹ ati resistance resistance, paapaa ni iwọn otutu ti 500 ℃ Ni ipilẹ ko yipada, tun ga líle ni 1000 ℃.
Tungsten irin, ti awọn eroja akọkọ jẹ tungsten carbide ati koluboti, awọn iroyin fun 99% ti gbogbo awọn paati, ati 1% jẹ awọn irin miiran, nitorina ni a ṣe pe ni tungsten, irin ti a tun mọ ni carbide cemented, ati pe o jẹ eyin ti ile-iṣẹ ode oni. .
Irin Tungsten jẹ ohun elo idapọmọra sintered ti o kere ju carbide irin kan. Tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, ati tantalum carbide jẹ awọn paati ti o wọpọ ti irin tungsten. Iwọn ọkà ti paati carbide (tabi alakoso) nigbagbogbo wa laarin awọn microns 0.2-10, ati pe awọn irugbin carbide ti wa ni asopọ papọ nipa lilo ohun elo irin. Irin ti o so pọ jẹ irin ẹgbẹ irin ni gbogbogbo, ati koluboti ati nickel ni a lo nigbagbogbo. Nitorina awọn ohun elo tungsten-cobalt, tungsten-nickel alloys ati tungsten-titanium-cobalt alloys wa.
Tungsten irin sintering igbáti ni lati tẹ awọn lulú sinu kan òfo, ki o si ooru o sinu kan sintering ileru si kan awọn iwọn otutu (sintering otutu), pa o fun akoko kan (idaduro akoko), ati ki o si dara si isalẹ lati gba tungsten, irin. ohun elo pẹlu iṣẹ ti a beere.
① Tungsten-cobalt simenti carbide
Awọn paati akọkọ jẹ tungsten carbide (WC) ati koluboti binder (Co). Ipele naa jẹ “YG” (awọn ibẹrẹ ti pinyin Kannada ti “lile ati koluboti”) ati ipin ogorun akoonu cobalt apapọ. Fun apẹẹrẹ, YG8 tumọ si pe apapọ WCo = 8%, ati iyokù jẹ tungsten-cobalt cemented carbide ti tungsten carbide.
② Tungsten-titanium-cobalt simenti carbide
Awọn paati akọkọ jẹ tungsten carbide, titanium carbide (TiC) ati koluboti. Ipele naa ni “YT” (awọn ibẹrẹ ti pinyin Kannada ti “lile ati titanium”) ati akoonu apapọ ti carbide titanium. Fun apẹẹrẹ, YT15 tumọ si pe apapọ TiC = 15%, ati iyokù jẹ tungsten carbide ati koluboti tungsten-titanium-cobalt carbide cemented.
③Tungsten-titanium-tantalum (niobium) ohun elo lile
Awọn paati akọkọ jẹ tungsten carbide, titanium carbide, tantalum carbide (tabi niobium carbide) ati koluboti. Iru carbide cemented yii ni a tun pe ni carbide cemented gbogbogbo tabi carbide cemented agbaye. Ipele naa jẹ "YW" (awọn ibẹrẹ ti Pinyin Kannada ti "lile" ati "万") pẹlu nọmba ọkọọkan kan, gẹgẹbi YW1.
Irin Tungsten ni lẹsẹsẹ ti awọn ohun-ini ti o dara julọ gẹgẹbi lile lile, resistance resistance, agbara to dara ati lile, resistance ooru ati ipata ipata, ni pataki líle giga rẹ ati resistance resistance, eyiti o wa ni ipilẹ ko yipada paapaa ni iwọn otutu ti 500 ° C. O tun ni lile giga ni 1000 ° C. Simenti carbide ti wa ni o gbajumo ni lilo bi awọn ohun elo, gẹgẹ bi awọn titan irinṣẹ, milling cutters, lu bit, boring cutters, bbl Iyara gige ti awọn titun cemented carbide ni ogogorun ti igba ti erogba, irin.
Ọna asopọ si nkan yii : Iyatọ Laarin Irin Iyara Giga Ati Irin Tungsten
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