Ndeapi mapoka mana eSimbi isina tsvina?
1. Teflon
Iro zita rekutengeserana rePTFE "teflon", yakapusa ptfe kana F4, inowanzozivikanwa saMambo wePurasitiki. Iyo ndeimwe yezvinhu zvakashata-zvinodzivirira munyika nhasi. Iyo inoshandiswa kugadzira mvura yegirini gasi peilline, kupisa kuchinjanisa uye zvimwe zvemukati zvemidziyo kubatana. Yakanakisa Kuiswa Midziyo.
Tetrafluorootherylene ndeimwe yezvakanakisa zvekushora zvinhu zviri munyika nhasi, saka zvine mukurumbira we "mambo" wepurasitiki ". Inogona kushandiswa mune chero mhando yemakemikari epakati kwenguva yakareba, uye kugadzirwa kwayo kwakagadzirisa matambudziko mazhinji mumakemikari angu emakemikari, petroleum, mishonga yemishonga uye mamwe mishonga. Teflon Seals, gasi, magesi. PolytetraFluoroothery seishi, gasi, uye kuisa masheketi magesi akagadzirwa nekumiswa polymerized polytetrafluorohylene resin. Kuenzaniswa nedzimwe purasitiki, PTFE ine hunhu hwekumanikidza kwemakemikari kurwisa uye kupisa kupisa. Izvo zvakange zvashandiswa zvakanyanya sechinhu chisimbiso uye kuzadza zvinhu.
Iyo polymer yakaumbwa yakaumbwa ne polymerization yeTetrafluoroleyle. Iyo ine yakanakisa makemikari kugadzikana, kupokana, kushushikana, kushaya simba, kusanzwisisika, kusanzwisisika, kusimbisa kwemagetsi uye kuramba kwakanaka pakukwegura. Inogona kushandira kwenguva yakareba pakupisa kwe +250℃kusvika -180℃. Kunze kwekunge kuumbwa simbi sodium uye mvura fluorine, inogona kutsungirira mamwe makemikari ese. Izvo hazvizoshanduke kana wakabikwa muAqua Regia.
Parizvino, marudzi ese ezvigadzirwa zvePTFA akaridza basa renyika muhupfumi hwenyika. Stainless Steel Screw
2. Carbon fiber
Carbon fiber ndiyo fibrous carbon zvinyorwa necarbon zvirimo zvinopfuura 90%. Iyo C / C YEMAHARA YEMAHARA YAKADZWA IYO UYE RESIN ndeimwe yezvinhu zvakashata-zvinodzivirira.
Carbon fiber rudzi rutsva rwemhando yepamusoro-simba, yakakwira-modulus fiber ine kabhoni zvirimo zvinopfuura 95%. Icho chinhu che microcrystalline graphite graphite inowanikwa nekukanda flake flake micripite micremcryststs uye mamwe magetsi emhepo pamwe neFiber axial nhungamiro, uye ichirongwa carbonization uye graponitization kurapa. Carbon fiber iri "inoshanduka-shanduka kunze uye yakaoma mukati". Unhu hwayo hwakareruka kupfuura hwesimbi aluminium, asi simba rayo rakakwira kupfuura iro resimbi. Iyo zvakare ine maitiro ezvekumanikidza kupokana uye mukuru weMudzimu. Icho chinhu chakakosha mukudzivirira kwenyika, mauto uye vagari vemuhurumende. Izvo hazvingove nehunhu hutsinye hwecarbon zvinhu, asi zvakare zvine chekuita nekurovererwa kwezvinhu zvemhando. Chizvarwa chitsva chekusimbisa machira.
Carbon fiber ine zvakawanda zvakanaka zvivakwa. Carbon fiber ine simba rakanyanya rexial simba uye modulus, yakaderera mamiriro, hapana creep, Ultra-yakanyanya kuparara, uye magetsi ekusimbisa ari pakati pevasiri metalic uye asiri-simbi. Pakati pesimbi, iyo coeffisto yekuwedzera kwekuwedzera idiki uye anistotropic, kupokana kweuto kwakanaka, uye iyo X-ray kutapurirana kwakanaka. Yakanaka yemagetsi uye inobata donders, yakanaka electromagnicius, etc.
Kuenzaniswa neiyo tsika yegirazi fiber, iyo young young yekabhoni fiber inopfuura katatu; Kuenzaniswa ne kevlar fiber, wechidiki wechidiki anenge 2 times, uye haina kuzvimba kana kuzvimba mune organic soles, acids, uye alkalis. Kukanganisa kwakanyanya kupokana.
3. Copper oxide
Copper oxide parizvino ndiyo yakanyanya kukanganisa-kuramba zvinhu. Sweden agara ari mutungamiri wenyika mumunda weshumba yehukireya. Zvino nyika'STOPIDS iri kushandisa mudziyo mutsva wakagadzirwa nemhaper oxide kuti chengetedza marara enyukireya, iyo inogona kuvimbisa kuchengetedza kwakachengeteka kwemakore zviuru zana.
Copper oxide inguva dema yemhangura, zvishoma amphiphilic uye zvishoma hygroscopic. Iyo hama yemanyorero ndeye 79.545, density ndeye 6.3 ~ 6.9 g / cm3, uye iyo yekunyungudika ndeye 1326℃. Hazvina kusimba mumvura uye ethanol, soluble muAcid, Ammonium chloride uye potassium cyanide solution. Inopaza zvishoma nezvishoma mumhinduro yeAmoni uye inogona kuita neAlkali yakasimba. Copper oxide inonyanya kushandiswa kugadzira Rayton, Glazes uye enamels, mabhatiri, zvipuka zvechipfuva, uye zvakare kugadzirwa kwehydrogen, uye girazi rakasvibira.
4. Platinamu
Platinum inotsvedza uye haina kupindirana ne hydrochloric acid, nitric acid, sulfutic acid uye organic acid pamhepo tembiricha. Iyo inonzi "simbi inopesana-inopesana", asi inonyura muAQUA Regwaro. Titanium zviri nyore kuumba firimu rakasimba rekudzivirira reTitanium oxide, saka iyo Titanium inotonhora tube inoonekwa seisina kujairika kubva pakubata uye kugura.
Platinum ndeyekuitika chaiko kuenda simbi chena yakakosha. Platinamu yakapurudzira mwenje unopenya munhoroondo yebudiriro yemunhu kutanga kusvika 700 BC. Mumakore anopfuura zviuru zviviri zvekushandiswa kwevanhu kweplatin, yagara ichinzi sedzimwe yesimbi yakakosha.
Chimiro cheplatin chakasimba kwazvo, hazvizoregi kana kupera nekuda kwekupfeka zuva nezuva, uye kusungwa kwaro kunogara kwakafanana. Kunyangwe ikasangana nezvinhu zvakajairika muhupenyu, zvakadai seSarufa muchitsime zvinopisa, breach, breach, chirahwe, hazvizokanganiswe, kuti iwe ugone kupfeka zvishongo zveplatry nekuvimba chero nguva. Kunyangwe ichiramba yakareba sei, platinamu inogona kugara ichichengetedza yakasikwa chena chena chena uye haizombopera.
Kutumira Nguva: Sep-24-2021