Acid Pickling txheej txheem rau titanium thiab titanium alloy cov ntaub ntawv

Thaum tsim titanium thiab titanium alloy cov ntaub ntawv, ib qho ntawm cov kauj ruam tseem ceeb tshaj plaws yog tshem tawm cov nplai oxide. Acid pickling yog thawj txoj hauv kev kom ua tiav qhov no, thiab nws txoj kev vam meej yog nyob ntawm kev ua tib zoo npaj thiab tswj cov txheej txheem.

Ua ntej pib txheej txheem pickling, nws yog ib qho tseem ceeb rau ua ntej - kho cov ntaub ntawv titanium. Qhov no tuaj yeem suav nrog txoj hauv kev xws li molten alkaline ntxuav, mechanical scale breaking, lossis sandblasting. Cov kev kho ua ntej no pab tshem tawm cov av thiab cov oxide tuab, ua kom lub ntsej muag huv si thiab ua kom zoo rau cov txheej txheem titanium forging tom ntej. Kev kho kom zoo ua ntej-kev kho mob tsis yog tsuas yog txhim kho qhov zoo ntawm titanium tab sis kuj txhim kho cov txiaj ntsig ntawm cov txheej txheem acid pickling.

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Rau titanium cov ntaub ntawv nrog lub teeb oxide txheej, tshwj xeeb tshaj yog cov tsim ntawm kub qis dua 600 degree, acid pickling yog ib txoj kev zoo heev rau kev tshem tawm. Thaum lub sijhawm txheej txheem no, titanium cuam tshuam nrog cov kua qaub, uas ua rau cov nplai oxide thiab tsim cov hlau ions. Txawm li cas los xij, kua qaub pickling tsis yog ib qho tshuaj tiv thaiv ncaj qha xwb - nws kuj muaj qhov tshwm sim ntawm electrochemical. Kev saib xyuas tshwj xeeb yuav tsum tau them rau qhov txo qis ntawm hydrogen ions hauv cov kua qaub, tshwj xeeb tshaj yog thaum nws muaj hydrofluoric acid lossis fluoride-raws li cov tebchaw.

Yog hais tias hydrogen ions raug txo mus rau atomic los yog molecular hydrogen, lawv yuav diffuse rau hauv cov hlau, ua rauhydrogen embrittlement. Qhov no tuaj yeem cuam tshuam qhov kev ua tau zoo thiab kev ua haujlwm ntev ntawm cov ntaub ntawv titanium. Yog li ntawd, ua tib zoo saib xyuas cov kua qaub kua qaub muaj pes tsawg leeg thiab qhov sib piv yog qhov tseem ceeb heev.

Txhawm rau tiv thaiv hydrogen embrittlement, qhov piv ntawm nitric acid rau hydrofluoric acid yuav tsum nco ntsoov khaws cia siab tshaj 5: 1. Qhov no yog qhov tseem ceeb rau kev tswj hwm qhov sib npaug ntawm kev tshem tawm oxide zoo thiab txo qhov kev pheej hmoo ntawm hydrogen paug. Txawm li cas los xij, nws yog ib qho tseem ceeb kom tsis txhob siv cov nitric acid ntau dhau, vim qhov no tuaj yeem ua rau qeeb cov tshuaj tiv thaiv, txo cov khoom siv hluav taws xob, thiab tsim cov pa phem, ua rau cov txheej txheem ua haujlwm nyuaj.

Ntxiv nrog rau acid muaj pes tsawg leeg, yam xws li kub thiab pickling lub sij hawm yuav tsum tau ua tib zoo saib xyuas. Yog tias qhov kub thiab txias dhau los yog cov txheej txheem ntev dhau lawm, cov ntaub ntawv titanium tuaj yeem raug kev txom nyem los ntawm ntau tshaj - corrosion, uas cuam tshuam tsis zoo rau saum npoo thiab cov khoom siv tag nrho. Kho cov txheej txheem pickling raws li hom, tuab, thiab oxide txheej hnyav ntawm cov khoom yog qhov tseem ceeb rau kev ua tiav cov txiaj ntsig zoo.

Acid pickling txheej txheem rautitanium thiab titanium alloysyog ob qho tib si complex thiab ilv. Los ntawm kev tswj hwm cov kua qaub, qhov sib piv, thiab kev ua haujlwm tsis zoo, cov tuam ntxhab tuaj yeem ua tiav cov txiaj ntsig xav tau thaum zam kev puas tsuaj rau cov khoom siv titanium.

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Kuv lub Hoobkas yog lub siab - zoo titanium thiab titanium alloy cov ntaub ntawv chaw tsim khoom tshwj xeeb hauv kev lag luam thoob ntiaj teb. Peb cov khoom lag luam npog npog titanium raj, titanium rods, titanium daim hlau, titanium xov hlau, thiab titanium strips. Peb muaj tag nrho - txheej txheem tsim muaj peev xwm los ntawm melting mus rau qhov sib sib zog nqus ua, nrog rau cov khoom tseem ceeb xws li Nqus Arc Remelting (VAR) furnaces, multi-function ceev forging presses, precision kub / txias dov mills, siab- ceev hlau qws dov mills, thiab siab - cov cuab yeej txiav. Kev siv cov tshuab thiab thev naus laus zis, peb tau cog lus los muab cov neeg siv khoom hauv ntiaj teb no xws li aerospace, kho mob cog, siab -kev ua tshuaj lom neeg, marine engineering, thiab cov khoom siv kis las nrog siab -kev ua tau zoo, qhov tseeb, thiab cov khoom siv titanium txhim khu kev qha thiab cov kev daws teeb meem.

Txhawm rau kom ntseeg tau tias txhua yam khoom titanium ua tau raws li cov qauv zoo tshaj plaws, peb tau tsim kom muaj kev tshuaj xyuas zoo tshaj plaws uas suav nrog cov khoom siv raw, cov txheej txheem ntau lawm, thiab cov khoom tiav. Nruab nrog cov cuab yeej ntsuas siab, xws li Optical Emission Spectrometers (OES), universal material test machines, metallographic microscopes, ultrasonic flaw detectors (UT), thiab corrosion testing equipment, peb muaj peev xwm txheeb xyuas cov khoom muaj pes tsawg leeg, mechanical zog, microstructure, internal defects, thiab corrosion resistance. Txhua pawg ntawm cov khoom tau dhau los ua kev sim nruj nruj raws li cov qauv thoob ntiaj teb xws li ASTM, ASME, thiab AMS, thiab cov ntawv pov thawj thib peb -cov ntaub ntawv tshuaj xyuas tau muab. Peb lub chaw soj nstuam khaws cov ntaub ntawv khaws cia kom tiav, kom ntseeg tau tias txhua kauj ruam los ntawm kev txiav txim mus rau kev xa khoom tuaj yeem txheeb xyuas tau thiab txheeb xyuas tau. Qhov no tau lees paub tias peb xa cov khoom siv titanium siab - tus qauv titanium nrog cov ntaub ntawv zoo thiab cov ntaub ntawv ua tau zoo.

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