Raws li "cov hniav ntawm kev lag luam", cemented carbide yog dav siv hauv kev lag luam tub rog, aerospace, mechanical processing, metallurgy, oil drilling, mining tools, electronic communications, construction and other fields. Nrog rau txoj kev loj hlob ntawm downstream industries, kev lag luam thov rau cemented carbide tseem nce ntxiv. Nyob rau hauv lub neej yav tom ntej, kev tsim cov cuab yeej siv high-tech thiab cov cuab yeej siv, kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis, thiab kev loj hlob sai ntawm nuclear zog yuav ua rau muaj kev thov ntau rau cov khoom siv cemented carbide nrog cov ntsiab lus thev naus laus zis thiab kev ruaj ntseg zoo. Cemented carbide kuj tseem siv tau los ua cov cuab yeej pob zeb drilling, cov cuab yeej mining, cov cuab yeej drilling, ntsuas cov cuab yeej, cov cuab yeej sib tsoo hlau, precision bearings, nozzles, hardware pwm, thiab lwm yam.

Dab tsi yog cemented carbide? Cemented carbide yog cov khoom siv hlau ua los ntawm cov khoom siv tawv tawv ntawm cov hlau refractory thiab cov hlau sib txuas los ntawm cov hmoov metallurgy. Nws yog cov hmoov hlau metallurgy ua los ntawm micron-loj hmoov ntawm high-hardness refractory hlau carbides (tungsten carbide-WC, titanium carbide-TiC) ua cov khoom tseem ceeb, cobalt (Co) los yog npib tsib xee (Ni), molybdenum (Mo) raws li ib tug binder, sintered nyob rau hauv lub tshuab nqus tsev vacuum los yog ib tug hydrogen reduction rauv. Nws muaj cov khoom zoo heev xws li siab hardness, hnav tsis kam, zoo zog thiab toughness, kub tsis kam, thiab corrosion kuj. Tshwj xeeb, nws cov hardness siab thiab hnav tsis kam yog qhov tseem ceeb tsis hloov txawm nyob rau ntawm qhov kub ntawm 500 ° C, thiab nws tseem muaj qhov nyuaj siab ntawm 1000 ° C. Nyob rau tib lub sijhawm, nrog rau kev tsim cov txheej txheem thev naus laus zis, kev hnav tsis kam thiab hardness ntawm cemented carbide cov cuab yeej tau ua kom muaj kev vam meej.

Tungsten yog ib qho tseem ceeb ntawm cov cemented carbide raw cov ntaub ntawv, thiab ntau tshaj 80% ntawm tungsten yog xav tau nyob rau hauv cov txheej txheem synthesis ntawm cemented carbide. Tuam Tshoj yog lub teb chaws uas muaj tungsten nplua nuj nyob hauv lub ntiaj teb. Raws li USGS cov ntaub ntawv, lub ntiaj teb tungsten ore reserves nyob rau hauv 2019 yog kwv yees li 3.2 lab tons, ntawm uas Tuam Tshoj lub tungsten ore reserves yog 1.9 lab tons, accounting rau ze li ntawm 60%; muaj ntau lub tuam txhab tsim khoom hauv tsev, xws li Xiamen Tungsten Kev Lag Luam, Tuam Tshoj Tungsten High-tech, Jiangxi Tungsten Kev Lag Luam, Guangdong Xianglu Tungsten Kev Lag Luam, Ganzhou Zhangyuan Tungsten Kev Lag Luam, thiab lwm yam yog tag nrho cov tuam txhab loj ntawm tungsten carbide, thiab cov khoom siv. txaus.

Tuam Tshoj yog lub teb chaws uas muaj ntau tshaj plaws ntawm cemented carbide nyob rau hauv lub ntiaj teb no. Raws li kev txheeb cais los ntawm Tuam Tshoj Tungsten Industry Association, nyob rau hauv thawj ib nrab ntawm 2022, lub teb chaws cemented carbide kev lag luam cov tuam txhab tsim tag nrho ntawm 23,000 tons ntawm cemented carbide, ib xyoos-rau-xyoo nce ntawm 0.2%; ua tiav cov nyiaj tau los ntawm kev lag luam tseem ceeb ntawm 18.753 billion yuan, nce xyoo 17.52%; thiab ua tiav cov txiaj ntsig ntawm 1.648 billion yuan, ib xyoos ib zaug nce ntawm 22.37%.

Cov cheeb tsam xav tau ntawm cov cemented carbide kev ua lag luam, xws li lub zog tshiab tsheb, cov ntaub ntawv hluav taws xob thiab kev sib txuas lus, nkoj, kev txawj ntse, aerospace, CNC tshuab cuab yeej, lub zog tshiab, hlau pwm, kev tsim kho vaj tse, thiab lwm yam, tseem tab tom loj hlob sai. Txij li xyoo 2022, vim muaj kev cuam tshuam ntawm cov kev hloov pauv hauv ntiaj teb xws li kev sib cav sib ceg hauv cheeb tsam, EU lub teb chaws, ib cheeb tsam tseem ceeb rau ntiaj teb cov cemented carbide ntau lawm thiab noj, tau pom qhov nce ntxiv hauv cov nqi ntawm cov cemented carbide ntau lawm thiab cov nqi zog. vim skyrocketing nqi zog. Tuam Tshoj yuav yog ib qho tseem ceeb rau kev hloov pauv ntawm nws cov cemented carbide kev lag luam.