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Mundima yekugadzira nekunyatso ongorora, iyo thermal deformation performance yezvinhu chinhu chakakosha chinotaridza kurongeka uye kuvimbika kwemidziyo. Granite uye simbi yakakandwa, sezvinhu zviviri zvinowanzo shandiswa mumaindasitiri ekutanga, zvakakwezva kutarisisa kwakawanda kwekusiyana kwavo kwekuita munzvimbo dzekupisa kwepamusoro. Kuti tiratidze hunhu hwekupisa kwehuviri hwehuviri, takashandisa nyanzvi yekupisa mufananidzo kuitisa 8-awa yekushanda bvunzo pagranite uye simbi yekukanda mapuratifomu ezvakatsanangurwa zvakafanana, zvichiratidza misiyano chaiyo kuburikidza nedata nemifananidzo. .
Kuedza dhizaini: Tevedzera yakaoma mamiriro ekushanda uye kunyatso tora misiyano
Pakuedza uku, mapuratifomu egranite uye akakanda simbi ane zviyero zve1000mm×600mm×100mm zvakasarudzwa. Munzvimbo yakafananidzirwa yemusangano weindasitiri (tembiricha 25 ± 1 ℃, humidity 50% ± 5%), nekugovera zvakaenzana zvitubu zvekupisa pachikuva (kutevedzera chizvarwa chekupisa panguva yekushanda kwemidziyo), chikuva chakashanda chinoramba chiripo pasimba re100W kwemaawa masere. Iyo FLIR T1040 thermal imager (ine tembiricha resolution ye 0.02 ℃) uye yakakwirira-chaiyo laser displacement sensor (ine huchokwadi hwe ± 0.1μm) yakashandiswa kutarisa kugoverwa kwekushisa uye deformation yepuratifomu pamusoro munguva chaiyo, uye iyo data yakanyorwa kamwe chete maminetsi makumi matatu. .
Migumisiro yakayerwa: Fungidzira mutsauko wekushisa uye ongorora gap rekugadzirisa
Iyo data kubva kune inodziya mufananidzo inoratidza kuti mushure mekukanda simbi chikuva chave kushanda kweawa imwe chete, tembiricha yepamusoro yepamusoro yasvika 42 ℃, iri 17 ℃ yakakwirira kupfuura tembiricha yekutanga. Maawa masere gare gare, tembiricha yakakwira kusvika 58 ℃, uye yakasarudzika tembiricha gradient kugovera kwakabuda, paine tembiricha musiyano we8 ℃ pakati pemucheto nepakati. Nzira yekupisa yepuratifomu yegranite yakanyanya kupfava. Tembiricha inongokwira kusvika pa28℃ mushure meawa imwe chete uye inodzikama pa32℃ mushure memaawa masere. Kusiyana kwekushisa kwepamusoro kunodzorwa mukati me2 ℃. .
Zvinoenderana neiyo deformation data, mukati memaawa masere, iyo yakatwasuka deformation pakati penzvimbo yesimbi yakakandwa yakasvika 0.18mm, uye warping deformation pamucheto yaive 0.07mm. Kusiyana neizvi, iyo yakanyanya deformation yepuratifomu yegranite ingori 0.02mm, isingasviki 1/9 yeiyo yesimbi yakakandwa. Iyo chaiyo-nguva curve ye laser displacement sensor inosimbisawo mhedzisiro iyi: Iyo deformation curve yesimbi yakakandwa papuratifomu inochinja zvakanyanya, nepo curve yepuratifomu yegranite inenge yakagadzikana, ichiratidza kusimba kwakanyanya kwekushisa. .
Nheyo yekuongorora: Zvinhu zvezvinhu zvinotarisa kusiyana kwekupisa kwekupisa
Mhedzisiro yekukosha kwekupisa kwekupisa kwesimbi yakakandwa iri muhuwandu hwayo hwekuwedzera kwekuwedzera kwekupisa (inenge 10-12 × 10⁻⁶/℃), uye kugoverwa kusina kuenzana kwegraphite mukati, zvichikonzera kusawirirana kwekupisa kwemhepo uye kuumbwa kwenzvimbo yekupisa kwekushushikana kwekushushikana. Zvichakadaro, simbi yakakandwa ine mwero wakaderera chaiwo wekupisa, uye tembiricha yayo inokwira nekukurumidza kana ichitora huwandu hwakafanana hwekupisa. Kusiyana neizvi, iyo coefficient yekuwedzera kwekupisa kwegranite chete (4-8) × 10⁻⁶/℃. Chimiro chayo chekristaro chakakora uye yunifomu, ine yakaderera uye yakaenzana yakagoverwa kupisa conduction kunyatsoshanda. Yakabatana neyakakura chaiyo yekupisa hunhu, inogona kuramba ichichengetedza kugadzikana munzvimbo dzepamusoro-tembiricha. .
Kujekeswa kwechishandiso: Sarudzo inosarudza kunyatsoita, kugadzikana kunogadzira kukosha
Mumidziyo yakadai sematurusi emuchina chaiwo uye matatu-anoronga machira ekuyeresa, iyo yekupisa yekupisa yemabhesi esimbi yakakandwa inogona kutungamira mukugadziriswa kana kuongorora kukanganisa, zvichikanganisa goho rezvigadzirwa zvinokwanisa. Iyo granite base, ine yakanakisa kugadzikana kwekudziya kwayo, inogona kuve nechokwadi chekuti midziyo inochengetedza yakanyanya kurongeka panguva yekushanda kwenguva refu. Mushure meimwe indasitiri yekugadzira zvikamu zvemotokari yakatsiva chikuva chesimbi yakakandwa nepuratifomu yegranite, mwero wekukanganisa kwezvikamu chaiwo wakadzikira kubva pa3.2% kusvika 0.8%, uye kugona kwekugadzira kwakawedzera ne15%. .
Kuburikidza neiyo intuitive kuratidzwa uye kuyerwa chaiko kweiyo inopisa mufananidzo, mutsauko mukupisa kwekupisa pakati pegranite nesimbi yekukanda unobva waonekwa. Muindasitiri yemazuva ano inoteedzera kurongeka kwekupedzisira, kusarudza zviwanikwa zvegranite zvine kusimba kwekushisa pasina mubvunzo idanho rehungwaru rekusimudzira kushanda kwemidziyo uye kuve nechokwadi chemhando yechigadzirwa.
Nguva yekutumira: May-24-2025