Kedu ụdị otu anọnchara nchara?
1. Teflon
Aha ahia nke PTFE bu "Teflon", PTFE ma obu F4, nke a na-akpọkarị eze plastik. Ọ bụ otu n'ime ihe kachasị-eguzogide na-eguzogide na-eguzogide na ụwa taa. A na-eji ya emepụta mmiri ọkụ na-emepụta mmiri, ndị na-agbanwe ọkụ na njikọ akụrụngwa ndị ọzọ. Ezigbo ihe na-ada.
Tetrafluooroouro bụ otu n'ime ihe na-eguzogide na ụwa taa, yabụ, ọ nwere aha nke "eze plasti" ". Enwere ike iji ya na ụdị kemịkalụ ọ bụla ruo ogologo oge, na-emepụtakwa ọtụtụ nsogbu na kemịkal nke obodo m, mmanụ ala na ubi ndị ọzọ. Teflo akàrà, gaskets, gaskets. Polytetrafluoroethylene seals, gaskets, and sealing gaskets are made of suspension polymerized polytetrafluoroethylene resin. E jiri ya tụnyere plastik ndị ọzọ, PTFE nwere njirimara nke ike ọgwụgwụ kemịkasị na nguzogide ọnọdụ. A na-eji ya eme ihe n'ọtụtụ ebe dị ka ihe na-akara aka.
Ọ bụ ogige polymer na-etolite site na polymerization nke Tetrafuooroorooatene. Ọ nwere nkwụsi ike nke ọma, na-eguzogide, ikuku, lubrication, na-enweghị mgbochi, mkpuchi mkpuchi na ezigbo nguzogide ịka nká. Ọ nwere ike rụọ ọrụ ogologo oge na okpomọkụ nke +250℃to -180℃. Ewezuga sodium metals na-egbu egbu na fluorine mmiri, ọ nwere ike iguzogide kemịkal ndị ọzọ niile. Ọ gaghị agbanwe mgbe aqua regia.
Ka ọ dị ugbu a, ụdị ngwaahịa PTFE emela ọrụ dị ka ụlọ ọrụ na mba ndị dị ka ụlọ ọrụ kemịkalụ, ngwa elektrọniki, ụlọ ọrụ ndị agha, nchebe gburugburu na àkwà gburugburu ebe obibi. igwe anaghị agba nchara
2. Eriri carbon
Carbon fiber bụ ihe ejiji carbon nwere ọdịnaya carbon nke ihe karịrị 90%. Ihe ndị C / C mejupụtara ya na resin bụ otu n'ime ihe kachasị na-eguzogide.
Carbon fiber bụ ụdị nke ike dị elu, eriri dị elu nke nwere carbon ọdịnaya nke ihe karịrị 95%. Ọ bụ ihe osise microcrystalline nwere site na ikpokọta microcry na-ejikọ microcrys na eriri ndị ọzọ na-eme, ma na-enwe ọgwụ carbonation na eserese. Carbon eriri Carbon "na-agbanwe na mpụga na ime ihe". Uzo ya di egwu karie nke aluminom metal, ma ike ya di elu karie nke ígwè. O nwekwara njiri mara nguzogide na elu modulu. Ọ bụ ihe dị mkpa na nchekwa mba, ngwa agha na ndị nkịtị. Ọ bụghị naanị na-enwe njirimara nke ihe carbon, kamakwa enwere ndị nwete aka na eriri nri. Ọ bụ ọgbọ ọhụrụ nke eriri ume.
Carbon fiber nwere ọtụtụ ihe mara mma. Ciber Farbon nwere ike dị elu na modulu, arụmọrụ dị ala, enweghị ike iguzogide gburugburu ebe obibi na-abụghị nke na-enweghị atụ, na-enwe ụdị okpomọkụ na eletriki dị n'etiti ndị na-abụghị ọla. N'etiti ọla, mmụba nke ikuku dị obere na anisotropic, nguzogide corrosion dị mma, yana nnyefe X-ray dị mma. Ezi eletriki na ikuku na-eme ezi ihe, ezigbo nchekwa electromagnetic, wdg.
E jiri ya tụnyere eriri iko ọdịnala, modus nke carbon carbon karịrị ugboro atọ; E jiri ya tụnyere eriri Kevlar, modulu ahụ dị ihe dị ka ugboro abụọ, ọ naghị aza ya ma ọ bụ zaa ya na ihe ndozi nke ahịhịa, acid, na alkalis. Na-emegide nguzosi ike.
3. Ọla-obibi ọla kọpa
Copper Oxide dị ugbu a ihe kachasị na-eguzogide na-eguzogide. Sweden abụwo mgbe niile bụ onye ndu ụwa n'ọhịa nke mkpofu mkpofu nuklia. Ugbu a obodo'Ndị teknụzụ na-eji igbe ọhụrụ eji ọla kọpa eme ka mkpofu nuklia, nke nwere ike ikwe nkwa na nchekwa nchekwa ruo afọ 100,000.
Colop oxide bụ Black Oxide nke ọla kọpa, ubé amparyhilic na ntakịrị hygroscopic. Mass na-ekwu okwu bụ 79.545, njupụta bụ 6.3 ~ 6.9 g / cm3, na obere ihe na-agbaze bụ 1326℃. Ọ bụ insoluble na mmiri na ethanol, soluble na acid, chlorium chloride na potassium cynagium. Ọ na-agbaze nwayọọ nwayọọ na amonia ngwọta ma nwee ike ime ya na alkali siri ike. A na-eji ọla obibi eme ihe na-eme Karion, ceramis, glazes na karama, ọgwụ na-egbu egbu, na iko akwụkwọ ndụ.
4. Platinum
Platinum na-akwụsi ike ma ghara imekọrịta ihe na hydrochloric acid, nitric acid, sulfuric acid na ụlọ okpomọkụ. A na-akpọ ya "kachasị na igwe na-eguzogide na-eguzogide", mana ọ bụ soluble na Aqua Regia. Titanium dị mfe iji mepụta fim nke titanium oxium, yabụ na-ewere tube powen dị ka forrosion na mbuze.
Platinum bụ ihe na-acha ọcha na-acha ọcha na-acha ọcha. Platinum na-enwu ọkụ na-adọrọ adọrọ na akụkọ banyere mmepeanya nke mmekọrịta mmadụ na mbụ dịka 700 BC. N'ime ihe karịrị puku afọ abụọ nke iji platrinum mee ihe, ọ na-echekarị mgbe niile dị ka otu n'ime ọla dị oké ọnụ ahịa.
Ọdịdị nke platinum bụ nke kwụsiri ike, ọ gaghị emebi ma ọ bụ daa mbà n'ihi uwe kwa ụbọchị, yana ọ bụ otu mgbe. Ọ bụrụgodi na ọ na-abanye na kọntaktị acidic na ndụ, dị ka sọlfọ na mmiri na-ekpo ọkụ, ma ọ bụ ọsụsọ, ọ gaghị eyi ọla ike na-egwu platinum n'oge ọ bụla. N'agbanyeghi ogologo oge ọ na-eyi, platinum nwere ike ịnọgide na-enwe mgbe niile na-acha ọcha na-acha ọcha ma ọ gaghị ada.
Oge Post: Sepp-24-2021