1. Adhesion
Txij li thaum cov kev sib txuas ntawm cov hlau fiber ntau thiab cov qhob matrix yog lub cev, uas yog, kev sib kis ntawm kev sib txhuam shear quab yuam yog qhov tseem ceeb, yog li rau cov hlau fiber ntau nws tus kheej, nws cov kev sib txuas yuav tsum tau txhim kho los ntawm ob qho tib si ntawm fiber ntau thiab fiber ntau. . Muaj plaub txoj hauv kev tshwj xeeb hauv qab no.
a. Roughen qhov saum npoo ntawm cov hlau fiber ntau thiab ua rau cov ntu ntu tsis sib xws. Lub hom phiaj no tuaj yeem ua tiav los ntawm kev siv cov txheej txheem melting thiab extraction. Thaum cov hlau fiber ntau txias txias hauv huab cua, qhov saum npoo shrinks unevenly thiab ua ntxhib, thiab tus ntoo khaub lig seem kuj shrinks mus rau hauv ib tug crescent duab, ua rau cov cheeb tsam sib cuag nrog lub substrate. Milled steel fibers muaj ib tug du nto ntawm ib sab thiab ib tug ntxhib nto ntawm lwm yam, uas kuj ua rau kom qhov chaw sib cuag nrog cov pob zeb.
b. Cov fibers yog plastically tiav ntawm ib qho kev ncua deb ntawm cov axis ntawm steel fiber. Piv txwv li, "Xinke" steel fiber ntau ntawm Nyiv Kobe Steel Corporation's "XOREX" steel fibers ntawm Leibang Corporation ntawm Tebchaws Meskas (Daim duab 2-1, c) thiab "S-2" thiab "S--3" steel fibers ntawm Qing'an Iron thiab Steel Plant steel fibers. Txij li qhov saum npoo yog nias rau hauv cov duab prismatic, los yog nias rau hauv cov duab yoj, lub zog sib txuas ua ke tau nce.
c. Teem lub kawg ntawm cov hlau fibers. Xws li ingot milling steel fibers nrog anchoring platforms ntawm ob qho kawg; American Becker Gongdian "DRAM IX" steel fibers (Daim duab 2-1, e) thiab Qing'an Iron thiab Steel Plant "S-4' thiab as-so steel fibers,. Lawv yog ua los ntawm hooks ntawm ob qho kawg; kuj tseem muaj lub taub hau zoo li steel fibers muab rho tawm los ntawm melting thiab extraction.
d. Coated nto ntawm steel fiber nrog epoxy resin thiab nto micro-xeb kho. Txoj kev no tsis txhim kho cov kev sib raug zoo ntawm lub zog ntau npaum li cov txheej txheem dhau los, tab sis nws kuj muaj qee yam kev txhim kho.
Cov kev ntsuam xyuas ntawm Ichifu Kobayashi, University of Liege hauv Belgium, thiab Zhang Wengang tau ua pov thawj tias qhov kev txhawb zog ntawm steel fibers nrog hooks yog txog ob npaug ntawm cov hlau ncaj. Hook ntawm steel fiber. Cov khoom tshwj xeeb zoo li steel fibers tsis tsuas yog txhim kho lub zog ntawm cov hlau fibers, tab sis kuj txhim kho lub toughness. Txawm hais tias cov corrugated steel fiber ntau muaj kev cuam tshuam me ntsis rau kev txhim kho lub zog ntawm steel fiber reinforced pob zeb, nws tuaj yeem ua ob npaug rau qhov toughness.
2. Hardness
Txawm hais tias siv txoj kev twg los xij, cov hlau fiber ntau yuav ntsib kev kub ntxhov thiab txias ceev thaum lub sijhawm ua, uas yog sib npaug rau lub xeev quenching. Yog li ntawd, qhov hardness ntawm steel fibers yog siab dua. Khoov tsis tshua muaj tshwm sim thaum sib tov rau pob zeb ua kom muaj zog. Yog hais tias cov hlau fiber ntau nyuaj thiab nkig dhau lawm, nws yuav yooj yim tawg thaum lub sij hawm nplawm, uas yuav cuam tshuam qhov kev txhawb zog. Thaum cov hlau fiber ntau yog tsim los ntawm txoj kev melting thiab siv, cov hlau fiber ntau centrifugally ejected los ntawm lub melting thiab twj lub log yog tseem nyob rau hauv ib tug kub lub xeev, thiab yuav tsum tau dispersed thiab txias los ntawm ib tug roller los yog ib tug vibration conveying txoj kev. Txwv tsis pub, cov hlau fibers yuav sib sau ua ke, thiab cov cua sov yuav nyuaj rau dissipate, uas yuav ua si lub luag hauj lwm ntawm annealing.
3. Corrosion kuj
Kev taw qhia txog kev ntsuas kev tiv thaiv corrosion ntawm steel fiber reinforced qhob qhia tau hais tias cov tawg steel fiber reinforced qhob Cheebtsam nyob rau hauv ib qho chaw ntub dej, cov pob zeb ntawm qhov tawg yog carbonized, steel fiber nyob rau hauv carbonized cheeb tsam yog corroded, thiab cov carbonization qhov tob thiab corrosion degree tsim nrog lub sij hawm. Rau kev ua vaj tse, nws tsuas yog siv cov post-crack radian thiab post-crack toughness. Txawm hais tias qhov tawg qhov dav me dua li ntawm cov pob zeb ua kom muaj zog, muaj cov kab nrib pleb tom qab tag nrho. Yog li ntawd, kev tiv thaiv corrosion yuav tsum tau ua rau steel fiber reinforced pob zeb siv nyob rau hauv ib qho chaw ntub dej, tshwj xeeb tshaj yog nyob rau hauv seaside. Kev ntsuas. Kev ntsuam xyuas lub ntsej muag ua pov thawj tias, ntawm lub hauv paus ntawm kev ua kom ntseeg tau tias cov hlau fiber reinforced pob zeb muaj peev xwm zoo ib yam, kev siv cov hlau fibers nrog cov kab loj tuaj yeem txhim kho corrosion, thiab kev siv cov epoxy resin-coated los yog galvanized steel fibers yuav txhim kho corrosion kuj. Yog tias kev tsim kho tshuab tso cai, cov hlau fiber ntau no tsuas yog siv rau ntawm qhov chaw ntawm cov pob zeb 1-2cm, thiab cov hlau tsis yog hlau fiber ntau tuaj yeem siv yog tias tsim nyog.
