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Ojiji nke ọla kọpa na mmepụta na ndụ

conductivity nke ọla kọpa
Otu n'ime ihe ndị kasị mkpa Njirimara nkeọla kọpa enweghị ndubụ na ọ nwere ezigbo ọkụ eletrik, na-arụ ọrụ nke 58m/(Ω.mm square).Ngwongwo a na-eme ọla kọpa a na-ejikarị eme ihe na ngwa eletrọnịkị, eletriki, nkwukọrịta na ụlọ ọrụ eletrọnịkị.Nke a dị elu eletriki conductivity nke ọla kọpa na-metụtara ya atọm Ọdịdị: mgbe otutu onye ọ bụla ọla kọpa atọm na-ejikọta n'ime a ọla kọpa block, ha valence electrons adịghịzi ejedebere na ọla kọpa atọm, n'ihi ya, ha nwere ike ịkwaga kpamkpam na niile siri ike ọla kọpa., conductivity ya bụ nke abụọ naanị nke ọlaọcha.Ụkpụrụ mba ụwa maka nhazi ọla kọpa bụ na a na-amata conductivity nke ọla kọpa nwere ogologo 1m na ịdị arọ 1g na 20 Celsius dị ka 100%.Nkà na ụzụ mgbaze ọla kọpa dị ugbu a enwewo ike ịmepụta otu ọkwa ọla kọpa nke nwere conductivity 4% ruo 5% dị elu karịa ọkọlọtọ mba ụwa a.
Thermal conductivity nke ọla kọpa
Mmetụta ọzọ dị mkpa nke electrons n'efu na ọla kọpa siri ike bụ na ọ nwere mmetụta okpomọkụ dị oke elu.Igwe ọkụ ya bụ 386W / (mk), nke bụ nke abụọ na ọlaọcha.Tụkwasị na nke ahụ, ọla kọpa bara ụba ma dị ọnụ ala karịa ọla edo na ọlaọcha, ya mere a na-eme ya ka ọ bụrụ ngwaahịa dị iche iche dị ka wires na cables, connector terminal, bọs bars, lead frames, wdg, nke a na-ejikarị eme ihe na eletriki na eletrọnịkị, telecommunication. na ụlọ ọrụ eletrọnịkị.Ọla kọpa bụkwa ihe dị mkpa maka ngwa mgbanwe okpomọkụ dị iche iche dị ka ndị na-agbanwe ọkụ, condensers, na radiators.A na-eji ya n'ọtụtụ ebe na igwe inyeaka ọdụ ọkụ, ikuku ikuku, refrigeration, tankị mmiri ụgbọ ala, grids na-anakọta anyanwụ, mmiri mmiri mmiri na ọgwụ, ụlọ ọrụ kemịkalụ., metallurgy na oge mgbanwe okpomọkụ ndị ọzọ.
Nguzogide corrosion nke ọla kọpa
Ọla kọpa nwere ezigbo nguzogide corrosion, dị mma karịa ígwè nkịtị, ma dị mma karịa aluminom na ikuku alkaline.Usoro nke ọla kọpa nwere ike ịbụ +0.34V, nke dị elu karịa nke hydrogen, yabụ na ọ bụ igwe nwere ikike dị mma.Ọnụego corrosion nke ọla kọpa na mmiri dị ọcha dịkwa oke ala (ihe dịka 0.05mm/a).Na mgbe a na-eji ọkpọkọ ọla kọpa na-ebufe mmiri pọmpụ, mgbidi nke ọkpọkọ adịghị etinye mineral, bụ nke na-enweghị ike ịnweta ọkpọkọ mmiri ígwè.N'ihi njirimara a, a na-eji ọkpọkọ mmiri ọla kọpa, faucets na ihe ndị yiri ya mee ihe n'ọtụtụ ebe na ngwaọrụ mmiri na-enye ụlọ ịsa ahụ dị elu.Ọla kọpa na-eguzogide corrosion ikuku nke ukwuu, ọ nwekwara ike ịmepụta ihe nkiri nchebe nke gụnyere isi ọla kọpa sulfate n'elu, ya bụ patina, na ihe mejupụtara ya bụ CuS04 *Cu(OH) 2 na CuSO4*3Cu(OH)2.Ya mere, a na-eji ọla kọpa rụọ ụlọ elu ụlọ, ọkpọkọ mmiri ozuzo, ọkpọkọ elu na nke ala, na ọkpọkọ ọkpọkọ;kemịkalụ na arịa ọgwụ, reactors, pulp filter;ngwá ọrụ ụgbọ mmiri, ihe ndị na-emepụta ihe, ndụ na netwọk ọkụ ọkụ;mkpụrụ ego ọkpọ (corrosion resistance)), ịchọ mma, ihe nrite, trophies, ihe ọkpụkpụ na ihe aka (nkwụsị corrosion na agba mara mma), wdg.


Oge nzipu: Jul-04-2022