, Cov ua rau microcacks: qhov teebmeem ntawm peb npaug ntawm cov ntaub ntawv, cov txheej txheem, thiab ib puag ncig
1. Khoom tsis xws luag: vuam tsis xws luag thiab carbide cais
Cov txheej txheem txheej txheem ntawm lub Damascus riam txoj kev cia siab rau siab - kub vuam kom ua tiav cov laj kab hlau. Yog tias qhov cua sov kub lub sij hawm thaum faffess tsis txaus (xws li tsis tau txog 1200℃lossis siab dua) lossis lub luag haujlwm tuav tau ntawm cov khaubncaws sab nraud povtseg uas tsis ua tiav. Abs Master Bill Burke qhia tawm tias xws li cov tsis xws luag tuaj yeem tshwm sim li cov kab dub lossis cov dej ntxuav hauv cov kua av thaum sib sib zog nqus cov kua qaub. Ib qho ntxiv, yog tias tus carbide cais ntawm cov khoom siv raw yog hnyav (xws li tsis muaj peev xwm ua tau yooj yim thaum lub sij hawm quenching kev ntxhov siab.
2. Kev tswj hwm tshav kub kub hnyiab: quenching tawg thiab tsis txaus siab
Thaum quenching high - ceev steel, yog tias cov roj cua txias dhau lawm (xws li cov roj cua txias dhau lawm, nws yuav ua rau cov kab nrib pleb Piv txwv li, thaum tus nqi txias hauv Martensitic Transformation Kub (MS MF) tshaj qhov sib txawv ntawm cov khoom sib txawv thaum ua ke nrog cov txheej txheem kev ntxhov siab. Tsis tas li ntawd, tsis txaus siab nyob rau hauv lub sijhawm tom qab quenching (pom zoo kom tso cov tsis muaj kev ntxhov siab, ntxiv exacerbating tawg.
3. Kev ua haujlwm ib puag ncig: Corrosion thiab kev cuam tshuam tshuab
Yog tias Ramascus riam yog nthuav tawm rau Saltwater ntev, Chloride Oxide Txheej ntawm cov hlau txheej ntawm cov txheej txheem hlau, ua rau kev ntxhov siab hauv zos. Nyob rau tib lub sijhawm, kev cuam tshuam tshuab thaum txiav cov khoom tawv (xws li txiav cov pob txha lossis cov hlau ntawm cov khaubncaws sab nraud povtseg.
2, Nrhiav tau ntawm microcacks: los ntawm macroscopic soj ntsuam rau kev tshawb xyuas metrectic
1. Visual thiab Kev Ntsuas Xyuas
Acid ntxuav thiab kev loj hlob: tsau cov hniav hauv ib 5% ferric chloride daws, thiab tsis tiav raws li cov kab tsaus vim qhov sib txawv ntawm kev sib txawv.
Magnify tsom iav soj ntsuam: Siv lub khob tsom iav ua kom loj dua nrog kev ua haujlwm ntawm 10 zaug lossis ntau dua los tshuaj xyuas cov hniav. Micro cracks usually appear as interlayer separation or surface fine lines, and some may be accompanied by oxidation discoloration.
Cov tswv yim tactile: maj mam stroke cov hniav nrog koj cov ntiv tes, thiab cov kab nrib pleb yuav ua rau muaj kev sib cog lus zoo vim qhov tsis xwm yeem.
2. Cov kev sim thev naus laus zis tsis muaj kev sim siab
Ultrasonic testing: Using the principle of high-frequency sound wave reflection, internal cracks with a depth of more than 0.1 millimeters can be located, suitable for quality control of high-end customized cutting tools.
X - ray diffraction: los ntawm kev tshuaj xyuas cov kev hloov pauv ntawm cov qauv hlau, tab sis siv tau feem ntau yog siv hauv kev tshawb fawb tshawb fawb.
3, Kho ntawm cov microcacks: los ntawm kev ua haujlwm hauv zos kom muaj kev rov tsim dua
1. Me me tawg (dav<0.1 millimeters)
Neeg kho tshuab sib tsoo: Siv 600 grit sandpaper kom maj mam muab cov txheej txheem oxide, thiab siv cov roj av ntxhia cov roj ua rau kev tawm tsam corrosion.
Laser Vuam: Rau cov chaw tseem ceeb xws li lub hauv paus ntawm cov kab nqaj yog siv los nyeem cov hlau ua kom zoo kom ua tiav cov hmoov av. Qhov kub yuav tsum tau nruj me ntsis kev tswj hwm (tsawg dua lossis sib npaug nrog 800 degree) kom tsis txhob softening nyob rau hauv lub tshav kub cuam tshuam cheeb tsam.
2. Cov kab nrib pleb nruab nrab (dav 0.1-0.3 millimeters)
Argon arc vuam kho: siv vuam hlau uas phim cov kab sib xyaw ntawm 60 kev zawj, sau thiab siv hluav taws xob ceev ceev los daws kev ntxhov siab. Tom qab vuam, nws xav tau npau taws ntawm 560℃rau 2 teev.
Stacking Kev Tsim Kho: Yog tias cov kab nrib pleb hlau ntau txheej, thaj chaw puas yuav tsum tau txiav tawm thiab cov kev yuav tsum tau muab cais. Tus txheej txheem suav nrog: Muab rhaub dej rau 1250℃→ ob chav cross forging → Kev rub tawm kev sib raug zoo ntawm cov txheej txheem tshiab ntawm cov txheej txheem tshiab thiab cov qauv qub.
3. Severe cracks (width>0.3 millimeters)
Zuag qhia tag nrho annealing thiab remanufacturing: cua sov cov cuab yeej rau 850 degree, ces txias dua rau 4 teev
Cov Khoom Siv Hloov: Yog tias cov kab nrib pleb ua rau poob cov khoom siv hlau), nws yog qhov tsim nyog los hloov cov ntaub ntawv hlau
4, tiv thaiv cov microcacks: los ntawm raw khoom xaiv rau kev siv cov qauv kev pab
1. Raw Khoom Tswjhwm
Xaiv hluav taws xob Slag remelted steel agots (xws li CPM S30v hmoov hlau) nrog kev ua haujlwm siab thiab zoo thiab hnav khaub ncaws zoo tuaj yeem txo txoj kev cais tawm.
Nrawm tshuaj xyuas qhov tob ntawm decarburnization txheej hauv raw cov ntaub ntawv (tsawg dua los yog sib npaug rau qhov kev txiav nyiaj ntau dua li cov txheej txheej decarburization.
2. Txheej Txheem Txhim Kho Kom Zoo
Forging txheej txheem: Ob chav hla kev taw qhia kev zam kev yog saws, thiab faib cov hluav taws kub ua kom zoo rau kev txhim kho lub zog ntawm tus hlau txheej.
Cov Kho Cua Sov Kho Specifications:
Quenching: tau txais cov txheej txheem kawm tiav qib siab (1280 Degree KUB DA
Tempering: Tsis pub dhau 30 feeb tom qab quenching, tempering ntawm 560℃rau 1 teev yog nqa tawm. Tom qab peb ncig ntawm tempering, cov ntsiab lus ntawm cov ntsiab lus Austenite yog tsawg dua lossis sib npaug rau 5%.
Cov kev kho deg: Tam sim ntawd tom qab quenching, ua qis qis - kev laus} kev laus} Nto coated nrog nano titanium dioxide composite txheej kom txhim kho ntsev dej kuj.
3. Siv thiab txij nkawm
Kev tswj hwm ib puag ncig: tsis txhob muaj ntev nthuav tawm rau ntsev ntsev los yog cov chaw puag ncig. Tam sim ntawd so cov hniav nrog daim ntaub microfiber thiab thov beeswax kom tiv thaiv kom taus xeb tom qab siv.
Cov Qauv Txiav: Nws yog txwv tsis pub txiav cov khoom nyuaj (xws li cov pob txha thiab hlau). Tom qab txiav cov khoom xyaw acidic (xws li txiv qaub), lawv yuav tsum tau ntxuav kom sai li sai tau thiab roj.
Kev soj ntsuam tsis tu ncua: kev siv cov acid ntxuav thiab kev nthuav dav ntawm cov chaw txhua 6 lub hlis lossis cov kab sib tshuam ntawm cov khaubncaws sab nraud povtseg.
