Yuav ua li cas ntsuas qhov nyuaj ntawm lub Damascus riam?

, Lub hauv paus kev tshawb fawb ntawm Hardness Ntsuas: Qhov pib hauv logic ntawm cov khoom muaj peev xwm thiab cov qauv kuaj
Lub hardness ntawm lub Damascus riam yog qhov tseem ceeb lub peev xwm ntawm nws cov khoom siv los tiv thaiv hauv zos yas deform, microstructiviture, thiab kev kho cua sov, thiab kev kho cua sov.
1. Qhov sib txheeb ntawm kev tawv thiab cov khoom siv
Zoo sib txheeb ntawm cov ntsiab lus carbon thiab hardness
Lub hardness ntawm Damascus hlau yog tsuas yog txiav txim siab los ntawm nws cov ntsiab lus carbon. Piv txwv li, cov roj carbon steel (xws li cov ntsiab lus carbon (xws li steel Cov pa roj atoms tseem ceeb txhim kho lub hardness ntawm cov hlau los ntawm cov khoom siv dag zog thiab carbide nag lossis ntau li FIC-C).
Lub hardness li nyhuv ntawm almoy ntsiab
Alloy ntsiab xws li chromium (CR), Molybdenum (MO), thiab Vanadium (V) ntxiv rau carbides (xws li CR ₇ C3, VC). Piv txwv li, lub hardness ntawm M390 Damascus hlau (muaj 20% CR, 1% MO, 1% thiab nws cov kev coj tsis kam 40% siab tshaj qhov ntawm 1095 hlau.
Kev tswj hwm ntawm microstructure ntawm hardness
Cov txheej txheem Folding Forging ntawm Damascus Steel ua cov qauv sib dhos ntawm cov qauv ntawm Martensitic Matrix thiab Carbide hais. Lub siab dislocation ntau ntawm martensite (li 10 ¹² cm ⁻ ⁻ ² ²) muab cov khoom siv tawv me, thaum lub sij hawm carbide (loj 0.5-5 μ m) ua raws li kev ntxhov siab thiab ncua kev deformation yas. Piv txwv li, txoj kev tshawb fawb pom tias rau txhua 1% nce hauv kev ntim cov ntim carbide, lub hardness nce los ntawm kwv yees li ntawm HRC 0.5.
2. Kev faib tawm thiab kev siv tau ntawm cov kev sim ua kom tawv
Indentation Txoj Kev: Xam cov tawv tawv los ntawm kev ntsuas qhov ntsuas me me lossis qhov tob ntawm qhov chaw ua haujlwm (HB), Rockwell (HV), thiab lwm yam), thiab lwm yam.
Rov ua dua txoj kev: Kev siv lub hauv paus ntsiab lus ntawm kev tiv thaiv Elastic HS) tau muab xam los ntawm kev ntsuas qhov siab tawv ntawm cov hlau pob lossis pob zeb diamond.
Kev kos txujci: tsis ncaj qha ntsuas kev hardness (xws li mohs harothness) los ntsuas cov khoom uas tsis tshua muaj rau cov ntaub ntawv hlau vim nws qhov raug.
2, Txoj Kev Kuaj Hardness Loj Txheej Txheem: Cov Ntsiab Lus, Khoom Siv, thiab Kev Ua Haujlwm Tshwj Xeeb
Rau cov qauv nyuaj ntawm lub Ramascus riam (Fawm kib sib xyaw, cov ntsiab lus carbide cov ntsiab lus), nws yog ib qho tsim nyog los xaiv cov qauv ntsuas uas cov nqi sib npaug thiab ua tau zoo.
1. Rockwell Hardness (HR) Kev Ntsuam Xyuas: Kev Lag Luam Kev Lag Luam rau Kev Ntsuam Xyuas Sai
Lub hauv paus ntsiab lus:
Siv lub pob zeb diamond iav indenter (C nplai) lossis cov hlau pob khoom (80)
Khoom siv:
Rockwell Hardness Tester (xws li Wilson Rockwell 2000 Series) nrog qhov tseeb ntawm ± 0.5 hr.
Cov Qauv Siv Ua Haujlwm:
Qhov kev sim siab yuav tsum tau polished rau ra tsawg dua los yog sib npaug rau 0.8 μ m kom tsis txhob muaj qhov sib xws cuam tshuam rau cov txiaj ntsig.
Indenation spacing yog ntau dua los yog sib npaug rau 3 zaug indentation diameration kom tiv thaiv kev ntxhov siab ntawm kev ntxhov siab ntawm kev ntxhov siab.
Rau Damascus riam, nws raug nquahu kom siv HRC rulers indentters) los ntsuas qhov kev faib tawm nyuaj ntawm cov hniav, rov qab, thiab qhov kev hloov pauv rov qab.
Qhov zoo thiab txwv:
Cov txiaj ntsig: Kev Ntsuas Xyuas Kev Ntsuas Ceev (ib qho taw tes tsawg dua lossis sib npaug rau 10 vib nas this), haum rau kev kuaj pob; Cov kev txwv: qhov indentation yog qhov loj (nrog txoj kab uas hla ntawm 0.4mm), uas yuav ua rau kev ua kom muaj kev ncaj ncees ntawm tus qauv.
2. Vickers Hardness (HV) Kev Ntsuas: Siab - Precision Tsom Foog
Lub hauv paus ntsiab lus:
Siv cov square square pyramid diamond indenter, nias cov khoom saum toj, feem ntau yog 1-30kgf), ntsuas tus nqi tawv (hv × ², f yog lub nra, d yog daim kab pheeb ces txhais tau).
Khoom siv:
Micro Vickers Hardness Tester (xws li buehler micromet 6000), nruab nrog lub tsom tsom iav kho mob (50-1000 x magnitification).
Cov Qauv Siv Ua Haujlwm:
Qhov kev ntsuas sab saum toj yuav tsum tau polished rau daim iav tiav (ra tsawg dua lossis sib npaug nrog 0.1 μ m) kom tsis txhob khawb cuam tshuam nrog kev ntsuas kev ntsuas.
Lo Kev Xaiv Xaiv: Hniav (HV0.3-1), rov qab (HV5-10), kom phim cov tuab ntawm cov sib txawv.
Fawm txheej txheej kev ntsuam xyuas: txuas ntxiv teev los ntawm cov hniav sib npaug ntawm cov hniav sib cav sib ceg (xws li hat wardness hloov dua tshiab tshaj lossis sib npaug ntawm HV 5 toj ib txheej).
Qhov zoo thiab txwv:
Cov txiaj ntsig: Kev qhia me me (kab pheeb ces kaum (kab pheeb ces kaum 0.02-0.2mm), haum rau metopcic tsom xam; Cov kev txwv: Kev sim maj nrawm nrawm (li 1 feeb rau ib qho taw tes) thiab tus nqi siab.
3. Nanoindentation Testing: Hardness Ntsuam xyuas ntawm lub microscale
Lub hauv paus ntsiab lus:
Siv lub pob zeb diamond berkovich indenter, cov khoom tog yog nias hauv qab cov khoom lag luam tsis tshua muaj), thiab lub hatticts} mn theem), thiab lub hardastic modulus tau suav los ntawm indentation tob treadve.
Khoom siv:
Nanoindentation ntsuas (xws li Hysiton Ti 950), kev daws teeb meem zoo dua lossis sib npaug rau 0.1nm, kev daws teeb meem tsawg dua los yog sib luag rau 50nn.
Cov Qauv Siv Ua Haujlwm:
Qhov kev sim sab saum toj yuav tsum tau electrolytic polished rau tshem tawm cov kev ntxhov siab ntawm kev kho tshuab.
Qhov chaw xeem: kev sib piv ntawm hardness ntawm carbide hais (Hardness HV 1500-2500) thiab Martensitic Matrix (Hardness HV (Hardness HV (Hardness HV (Hardness Hv 800-1200).
Cov ntaub ntawv ua: Oliver Phar txoj kev siv los suav cov kev tawv tawv, thiab kev txhim kho cov nyhuv yuav tsum tau txiav txim siab.
Qhov zoo thiab txwv:
Cov txiaj ntsig: muaj peev xwm paub qhov txawv ntawm Nanoscale Hardness Txawv; Cov kev txwv: cov cuab yeej siv kim thiab cov khoom kuaj tsawg (ib kis tsawg dua lossis sib npaug rau 10 μ m ²).
3, Cov kev sib tw thiab cov kev daws teeb meem rau kev sim hardness: cuam tshuam nrog cov yam ntxwv tshwj xeeb ntawm Damascus riam
Cov txheej txheem txheej txheej, cov qauv zoo carbide, thiab cov qauv muaj kab sib luag ntawm lub Damascus riam rau kev sim ua kom nyuaj.
1. Hardness Gradient Tsom xam cov qauv txheej txheem
Lus Nug:
Folding cov ntaub ntawv ntau pua ntawm cov txheej tawv tawv (cov pa roj av) thiab cov hlau muag (cov roj av qis (cov roj ntsha tsis huv hauv hardness raws li cov tuab.
Kev daws:
SOUNTITE SEARTE TEST: DOT Txhua 0.1mm raws seem hniav thiab kos lub hardness faib curve.
Kab rov tav interlayer kuaj: HV0.1 thauj tau thov hauv thaj chaw hloov pauv (tuab ntawm txog 0.05 hli) kom zam dhau indentation nkag mus rau ib txheej.
rooj plaub
Lub Ramascus riam tau qhia tias lub hardness ntawm lub zog txheej yog HV 850, lub hardness ntawm cov txheej mos yog HV 850, thiab cov tawv tawv ntawm cov tawv mos gradient tau mus txog HV 200 / 0.1mm.
2. Kev ua kom raug cai ntawm kev koom tes ntawm Carbide hais rau Hardness
Lus Nug:
Lub hardness ntawm carbide hais (loj 0.5-5 μ m) siab dua li ntawm cov kev ntsuas, tab sis cov kev ntsuas ib txwm nyuaj kom paub qhov txawv lawv cov kev koom tes.
Kev daws:
Nanoindentation Testing: Densely Dens lub interface ntawm carbides thiab matrix los tsim lub hardness theem faib txoj kev sib raug zoo kos duab.
Kev Ntsuam Xyuas Duab: Ua ke SEM - eds (scanning Electron me me disporness disporness cov ntaub ntawv nrog carbide ntim feem.
rooj plaub
Kev sim ntawm qee cov neeg hlau M390 qhia tias thaum lub ntim khoom ntim ntawm carbides yog 12%, lub zog tiv thaiv tau hais txog HV 180 (29% ntawm tag nrho Hardness HV 620).
3. Kev tiv thaiv lub tswv yim rau cov qauv kev ncaj ncees
Lus Nug:
Qhov kev sim ntsuas indentation yuav ua rau cov qauv sib txawv ntawm lub Damascus thiab txo nws tus nqi.
Kev daws:
Tsis txhob ua kev sim ua: Qhov tseem ceeb yog muab rau kev siv ultrasonic Hardness Testers (xws li theem II uh-3000 series) kom tsis ncaj qha los ntawm kev sib txheeb ntawm lub suab nrov thiab tawv tawv.
Kev kuaj micro: Siv HV0.01 LOAD (Indentation diam ntawm li 5 μ m) kom zais qhov indentation hauv cov qauv sib txawv.
Luam cov kev soj ntsuam: Tsim cov qauv ntsuas ntawm cov kab hniav thiab ua kev puas tsuaj rau ntawm cov ntawv luam.
4, kev lag luam xyaum ntawm kev sim hardness: tag nrho cov txheej txheem tswj los ntawm kev sau
Hardness ntsuas khiav thoob plaws txhua lub sijhawm ntawm kev tsim qauv, kev tsim khoom, kev tshuaj xyuas zoo, thiab kev txij nkawm ntawm Damascus riam.
1. Hardness tswj hauv cov txheej txheem ntau lawm
Kev ua kom zoo ntawm kev kho cua sov:
Kho cov quenching kub (xws li quenching kub ntawm 1095 steel ntawm 850-880 degree), xws li lub sijhawm tawv (xws li lub sijhawm nyuaj (xws li lub sijhawm nyuaj (xws li lub sijhawm nyuaj (xws li lub sijhawm nyuaj ntawm 200 degree) los ntawm kev sim cov lus qhia hardness.
Nrhiav kom tau online:
Siv lub pob zeb hluav taws xob hluav taws xob uas ua tau hluav taws xob (xws li kev ntsuas bambino 2) rau cov kab kev ua piv txwv rau cov kab ntau lawm kom paub meej tias qhov nyuaj hloov pauv yog tsawg dua lossis sib npaug ntawm HRC 1.
2. Cov qauv kev nyuaj hauv cov txheej txheem tshuaj xyuas kev tshuaj xyuas zoo
Cov Qauv Thoob Ntiaj Teb:
Ua raws li cov lus qhia tshwj xeeb xws li ASTM E18 (Rockwell Hardness), ISO 6507 (vickers tawv), thiab JIS Z 2244 (NANAINNENATION).
Enterprise Internal tswj tus qauv:
High end tool cov tuam txhab tsim cov qauv Stricter, xws li hniav tawv tawv HRC 60-62 (hloov pauv qis dua lossis sib npaug ntawm HRC 0.5) thiab Hniav rov qab HARC 50-55.
3. Hardness Saib Xyuas Kev Sau thiab Txij Nkawm
Hardness hloov thaum lub sijhawm ntev - sij hawm cia:
Tsis tu ncua (txhua 5 xyoo) Siv HV0.3 los sim cov hniav tawv tawv ntawm cov hniav thiab saib xyuas qhov txo qis ntawm corrosion los yog hydrogen embrittlement.
Kev kuaj xyuas tawv nqaij tom qab kho:
Tom qab vuam los yog kev sib tsoo kho, ua kom muaj kev sib tsoo, kev ua haujlwm nyuaj tau ua hauv 10 hli ntawm thaj chaw kho kom paub meej tias tsis muaj ib qho kev muag muag (Hardness txo qis dua los yog sib luag rau HV 50).
5, yav tom ntej qauv ntawm hardness ntsuas ntsuas: kev txawj ntse thiab ntau - nplai sib xyaw ua ke
AI tau pab cov kev twv ua ntej nyuaj:
Los ntawm kev siv cov qauv siv tshuab xws li cov khoom lag luam ntawm cov hlau, sib xyaw ua ke nrog cov duab hluav taws xob, thiab hluav taws xob ua kom sov tuaj yeem kwv yees kom txo cov haujlwm ua haujlwm tiag tiag.
Ntau lub ntsuas kev nyuaj siab:
Tsim kom muaj tag nrho - Scale Hardness Database los ntawm kev sib txuas nrog Nanoindness (Meso), thiab Rockwell Hardness (Macro) los coj cov cuab yeej tsim.
Nyob rau hauv Situ Hardness Testing Technology:
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