Hauv kev lag luam kev lag luam, cov khoom ntawm cov hlau yog qhov tseem ceeb tshaj plaws. Lub hardness, brittleness, toughness thiab lub zog ntawm cov hniav muaj kev cuam tshuam ncaj qha rau nws cov kev ua tau zoo, kev pab lub neej thiab daim ntawv thov scenarios. Ntawm cov yam ntxwv no, kev sib raug zoo ntawm brittleness thiab hardness yog qhov txaus siab. Yog li, puas siab dua brittleness txhais tau hais tias cov hlau yog ib qho nyuaj dua los yog tsis yooj yim dua?
Brittleness, raws li cov cuab yeej ntawm lub cev ntawm cov hlau, qhia qhov nyiam ntawm cov khoom tawg yooj yim thaum raug rau sab nraud quab yuam. Cias muab, cov hlau uas muaj brittleness ntau dua yuav tawg thaum raug cuam tshuam los yog siab. Qhov no zoo ib yam li cov ntaub ntawv nkig xws li cam khwb cia hlau, uas feem ntau pom nyob rau hauv peb lub neej niaj hnub, thiab uas zoo li tawg yooj yim thaum lawv raug rau sab nraud quab yuam.
Hardness, txawm li cas los xij, hais txog lub peev xwm ntawm cov khoom siv los tiv thaiv ib qho khoom tawv uas nias rau hauv nws qhov chaw. Nws yog ib qho tseem ceeb tshaj plaws ntawm kev ua tau zoo ntawm cov khoom siv hlau thiab feem ntau yog ntsuas raws li cov txheej txheem xws li HRC, HV thiab HB. Hauv kev lag luam ntawm cov hniav, qib ntawm hardness ncaj qha txiav txim siab txiav peev xwm thiab hnav tsis kam ntawm cov hniav. Qhov siab dua qhov hardness, qhov nyuaj ntawm cov hniav yog khawb los yog nkag mus, ua rau nws tsim nyog rau kev txiav cov ntaub ntawv nyuaj.
Yog li, puas muaj ib qho kev sib txuas ntawm qhov brittleness thiab hardness? Nyob rau hauv ib txoj kev, nws ua. Cov ntaub ntawv uas nyuaj dua kuj feem ntau muaj kev sib raug zoo ntawm cov atoms nyob rau hauv lawv, uas ua rau cov ntaub ntawv uas nyuaj rau deform plastically thaum raug rau sab nraud quab yuam thiab feem ntau yuav tawg outright. Raws li qhov tshwm sim, cov hlau nyuaj yuav ua rau nkig ntau thiab.
Txawm li cas los xij, qhov no tsis tau txhais hais tias cov hlau uas muaj brittleness yog qhov nyuaj dua. Qhov tseeb, hardness thiab brittleness yog ob lub cev sib txawv, thiab tsis muaj kev sib raug zoo ntawm lawv. Hardness feem ntau qhia txog cov khoom muaj peev xwm los tiv thaiv raug nias rau hauv lub ntiaj teb sab nraud, thaum brittleness yog ntau qhov kev xav ntawm cov khoom nyiam tawg thaum raug rau sab nraud.
Hauvindustrial hniav kev lag luam, kev xaiv ntawm cov hlau yuav tsum tau hnyav tiv thaiv hardness thiab brittleness nyob ntawm seb qhov kev thov tshwj xeeb scenario. Piv txwv li, rau cov hniav uas raug kev kub ceev txiav thiab kub ib puag ncig, siab dua hardness thiab hnav resistant HSS los yog carbide feem ntau xaiv. Txawm hais tias brittleness ntawm cov ntaub ntawv no kuj tseem siab, lawv muaj peev xwm tswj tau zoo txiav kev ua tau zoo thiab kev pab cuam lub neej nyob rau hauv tej yam kev mob.
Rau qee cov hniav uas yuav tsum tau tiv thaiv qhov cuam tshuam loj lossis yuav tsum tau khoov duav, xws li cov sawb lossis txiab, koj yuav tsum xaiv cov hlau uas zoo dua toughness thiab qis brittleness. Qhov no yuav xyuas kom meej tias cov hniav tsis yooj yim tawg thaum raug rau sab nraud quab yuam, yog li txuas nws lub neej kev pab cuam.
Hauv cov ntsiab lus, kev sib raug zoo ntawm brittleness thiab hardness tsis tsuas yog proportional lossis inversely proportional rau cov hlau hauv kev lag luam hniav. Thaum xaiv cov ntaub ntawv hniav, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xav txog cov yam ntxwv ntawm hardness, brittleness, toughness thiab lub zog raws li qhov tshwj xeeb daim ntawv thov scenarios, thiaj li yuav ua tiav qhov zoo tshaj plaws txiav nyhuv thiab kev pab lub neej.
Tom qab ntawd, Peb yuav hloov kho cov ntaub ntawv txuas ntxiv, thiab koj tuaj yeem nrhiav cov ntaub ntawv ntxiv ntawm peb lub vev xaib (passiontool.com) blog.
Tau kawg, koj tuaj yeem them sai sai rau peb Cov Kev Tshaj Lij Tshaj Lij Tshaj Tawm:
Post lub sij hawm: Dec-06-2024
