Cov Khoom Siv Hauv Kev Lag Luam Niaj Hnub No
Cov Khoom Siv Hauv Kev Lag Luam Niaj Hnub No
Nrog rau txoj kev loj hlob ntawm kev tshawb fawb thiab thev naus laus zis, muaj ntau thiab ntau cov khoom siv tau tshwm sim hauv kev lag luam niaj hnub no. Hauv tsab xov xwm no, peb yuav tham txog cov khoom siv hauv kev lag luam niaj hnub no.
Cov ntaub ntawv yog raws li nram no:
1. Tungsten carbide;
2. ceramics;
3. Cement;
4. Cubic Boron Nitride;
5. Pob zeb diamond.
Tungsten carbide
Niaj hnub no, muaj ntau hom cemented carbide nyob rau hauv khw. Qhov nrov tshaj plaws yog tungsten carbide. Tungsten carbide tau tsim nyob rau hauv lub teb chaws Yelemees thiab nrov thaum Ntiaj Teb Tsov Rog II. Txij thaum ntawd los, ntau thiab ntau tus neeg tshawb fawb thiab tsim kom muaj peev xwm ntawm tungsten carbide. Txij thaum pib ntawm lub xyoo pua 21st, tungsten carbide tau dav siv nyob rau hauv ntau yam lag luam, xws li mining thiab roj, aerospace, tub rog, kev tsim kho, thiab machining. Vim tias tib neeg pom tias tungsten carbide muaj cov khoom zoo xws li cov tawv tawv, zoo hnav tsis kam, corrosion kuj, poob siab tsis kam, durability, thiab siab zog. Piv nrog rau cov khoom siv ib txwm siv, tungsten carbide tuaj yeem tsis tsuas yog ua haujlwm siab dua tab sis kuj ua haujlwm rau lub neej ntev dua. Tungsten carbide muaj 3 mus rau 10 npaug ntawm kev ua haujlwm siab dua li cov hlau ceev.
Ceramics
Ceramics yog ntau yam ntaub ntawv nyuaj, kub-tiv taus, corrosion-ua hauj, thiab nkig. Lawv yog tsim los ntawm shaping thiab firing ib inorganic, nonmetallic khoom xws li av nplaum nyob rau hauv ib tug kub kub. Cov keeb kwm ntawm ceramics tuaj yeem taug qab mus rau Tuam Tshoj thaum ub, qhov chaw uas tib neeg pom thawj cov pov thawj ntawm cov tais diav. Hauv kev lag luam niaj hnub no, ceramics yog siv rau hauv cov vuas, cookware, cib, chav dej, qhov chaw, tsheb, cov pob txha thiab cov hniav, cov khoom siv hluav taws xob, thiab lwm yam.
Cement
Cement muaj siab rigidity, compressive zog, hardness, thiab abrasive kuj. Lawv kuj muaj lub zog siab ntawm qhov kub thiab txias thiab ua haujlwm zoo rau kev tawm tsam tshuaj.
Cubic Boron Nitride
Boron Nitride yog ib qho thermally thiab tshuaj tiv thaiv refractory compound ntawm boron thiab nitrogen nrog cov tshuaj formula BN. Cubic boron nitride muaj cov qauv siv lead ua zoo sib xws rau cov pob zeb diamond. Raws li pob zeb diamond tsis ruaj khov dua graphite.
Pob zeb diamond
Pob zeb diamond yog cov khoom hnyav tshaj plaws paub hauv ntiaj teb. Pob zeb diamond yog cov khoom siv carbon. Nws yog qhov yooj yim kom pom hauv cov hniav nyiaj hniav kub, thiab cov nplhaib. Hauv kev lag luam, lawv kuj tau siv. PCD (polycrystalline pob zeb diamond) tuaj yeem siv los tsim PDC cutters nrog tungsten carbide substrate. Thiab pob zeb diamond kuj tuaj yeem siv rau kev txiav thiab mining.
Yog tias koj txaus siab rau cov khoom lag luam tungsten carbide thiab xav paub ntau ntxiv thiab cov ntsiab lus, koj tuaj yeem tiv tauj peb hauv xov tooj lossis xa ntawv ntawm sab laug, lossis xa US MAIL hauv qab ntawm nplooj ntawv.