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Popular Science: inonzi Aluminium a Metal? Ongororo Yakadzama

2024-08-30 02:24:11

Patinofunga nezvezvinhu zvemazuva ese, aruminiyamu inowanzouya mupfungwa nekuda kwekushandiswa kwayo kwakapararira muzvigadzirwa kubva kumagaba esoda kusvika kundege. Asi izvi zvinomutsa mubvunzo unokosha: Aluminium isimbi? Mhinduro yacho ine simba Ehe-Aluminium isimbi zvechokwadi. Zvisinei, zvikonzero zvechikamu ichi, iyo yakasarudzika zvimiro zvealuminium, uye mashandisirwo ayo akasiyana mumaindasitiri akasiyana anotendera kuongororwa kwakadzama.

Aluminium zvinwiwa magaba

Zvinofadza Chokwadi Nezve Aluminium

Chokwadi Tsanangudzo
Mirror Mutsetse wakatetepa wealuminium unoshandiswa mukugadzira magirazi
Synthetic Gemstones Inoshandiswa kugadzira matombo erubhi nesafire
Year Melting About 41 miriyoni matani ealuminium anonyungudutswa gore rega rega
Kuderedza Simba muKugadzira Simba rinodiwa kugadzira aluminium rakadzikira 70% pakupedzisira 100 makore
Washington Monument Kumusoro kwakavharwa nealuminium piramidhi

Chii Chinotsanangura Simbi?

Usati wanyura mune zvealuminium maitiro, ngatitangei kunzwisisa kuti chii chinokodzera chinhu sesimbi. Metals anowanzo kutsanangurwa neseti yemuviri uye makemikari zvivakwa. Pazasi pane tafura inopfupikisa zvakakosha zvesimbi:

Property Tsanangudzo
Conductivity Metals akanakisa conductors emagetsi uye kupisa nekuda kwekufamba kwemahara kwemaerekitironi mukati meatomu yavo.
Malleability Simbi dzinogona kurohwa nesando kana kukungurutswa kuita machira matete asingatyoke, zvichiita kuti zvive zvakanaka kune zvakasiyana-siyana zvekushanda kwemaindasitiri.
Ductility Simbi dzinogona kutambanudzwa kuita waya pasina kubvaruka, humwe hunhu hunowedzera mukusiyana-siyana kwavo.
Luster Simbi dzine chitarisiko chinopenya, izvo zvinokonzerwa nekugona kwavo kuratidza chiedza.
Density Metals kazhinji ane high density, zvichireva kuti vanoremerwa nehukuru hwavo.
Simba Simbi dzakasimba uye dzinopesana nemasimba ekunze, kuita kuti dzive dzakakodzera kune zvekugadzira uye kuvaka.
Corrosion Resistance Nepo mamwe masimbi anogona kuora, vazhinji vane kurwisa kukuru kwekuora kana kuti vanogona kurapwa kuti vawedzere kuramba kwavo.
Magnetism Dzimwe simbi, kunyanya iron, vane magnetic, kunyangwe asiri ese masimbi anoratidza magineti zvivakwa.

Aluminium: Simbi neMitemo Yese

Aluminium inokodzera muchikamu chesimbi nekuti inoratidza ese ekutanga maitiro esimbi, kunyangwe paine mimwe misiyano yakasarudzika inoita kuti ive yakakosha. Heano kutarisisa kuti aluminium inopindirana sei neyakajairwa zvimiro zvesimbi:

Property Aluminium's Hunhu
Conductivity Aluminium yakanaka conductor yemagetsi uye inowanzoshandiswa mumitsara yekufambisa magetsi, yechipiri chete kune mhangura maererano nemagetsi conductivity pakati pesimbi.
Malleability Aluminium inogadzirwa zvakanyanya, zvichiita kuti zvive nyore kukungurutswa kuita mapepa matete kana mapepa.
Ductility Aluminium inogona kudhonzwa muwaya, ndicho chikonzero inowanzoshandiswa mumagetsi emagetsi uye mukugadzirwa kwezvinhu zvakanaka zvewaya.
Luster Aluminium ichangobva kuchekwa ine kupenya, silvery-white luster, kunyangwe ichigona oxidize uye kukudziridza chitarisiko chisina kusimba kana isina kurapwa kana kuputirwa.
Density Aluminium haina huremu kana ichienzaniswa nedzimwe simbi, izvo zvinoita kuti ive yakakosha zvakanyanya mumaindasitiri umo uremu chinhu chakakosha, senge mune aerospace engineering.
Simba Nepo aruminiyamu yakachena haina kusimba semamwe simbi, simba rayo rinogona kukwidziridzwa zvakanyanya kuburikidza nekubatanidzwa nezvimwe zvinhu senge magnesium, mhangura, kana zinc.
Corrosion Resistance Aluminium inongo gadzira yakaonda oxide layer kana yaiswa mumhepo, iyo inoidzivirira kubva pakuwedzera kuora, zvichiita kuti zvive zvakanaka kune zvekunze uye zvegungwa zvinoshandiswa.
Magnetism Aluminium haisi-magnetic, izvo zvinoita kuti zvive zvakakosha mumashandisirwo apo kupindira kwemagineti kunofanirwa kudziviswa, semumidziyo yemagetsi.

Aluminium Ingot

Aluminium's Atomic Structure uye Position muPeriodic Tafura

Aluminium yakaiswa muboka 13 yeperiodic table, uko inorongwa sesimbi yemashure. Ine nhamba yeatomu 13 uye chiratidzo Al. Iyo electron configuration yealuminium ndeye [Ehe] 3s²3p¹, zvinoreva kuti ine maerekitironi matatu evalence anogona kurasika nyore kuumba ayoni akanaka (Al³⁺), hunhu hwemasimbi.

Pazasi pane tafura inoratidzira aluminium's basic atomic properties:

Property Value
Atomic Number 13
Atomic Misa 26.98 u
Electron Configuration [Ehe] 3s²3p¹
Boka muPeriodic Table Group 13
Density 2.70 g/cm³
Melting Point 660.3°C
Boiling Point 2519°C

Nhoroondo yeAluminium: Kubva Kunokosha Metal kuenda Kunzvimbo Yakajairika

Aluminium yanga isiri iyo nguva dzose zvinhu zvazviri nhasi. Saizvozvo, yaimbonzi inokosha kupfuura goridhe. Muzana remakore rechi19, maitiro ekubvisa aluminium kubva musimbi yayo, bauxite, yaidhura uye yaida kushanda nesimba, kuita kuti simbi isanyanya kuwanda uye yakakosha. Zvisinei, nekuvandudzwa kweHoro-Héroult maitiro mukati 1886, izvo zvakaita kuti kutorwa kwealuminium kuve kwakanyanya, simbi yakava nyore kupinda.

Yakawedzera aluminium profiles padhuze

Zvishandiso zveAluminium muIndasitiri Yemazuva Ano

Zvimiro zveAluminium zvinoita kuti ive yakanakira zvinhu zvemhando dzakasiyana dzekushandisa. Pazasi pane tafura inotsanangura mamwe maindasitiri akakosha uko aluminium inokosha:

Indasitiri Application
Aerospace Aluminium inoshandiswa zvakanyanya mukuvaka kwendege nekuda kwehuremu hwayo uye yakasimba zvinhu, izvo zvinobatsira mukushanda kwemafuta uye kushanda kwese.
Automotive Aluminium inoshandiswa mumafuremu emotokari, injini zvikamu, uye mavhiri, kubatsira kuderedza uremu hwemotokari, iyo inovandudza kushanda kwemafuta uye inoderedza kubudiswa.
Kuvaka Aluminium inoshandiswa mumapuranga enjodzi, denga, uye siding nekuda kwekusimba kwayo, corrosion resistance, uye aesthetic kukwezva.
Packaging Aluminium inowanzoshandiswa mukuchera makani, foil wraps, uye midziyo yechikafu nekuda kweiyo isiri-chepfu hunhu uye yakanakisa chipingamupinyi zvivakwa zvinopesana nechiedza, oksijeni, uye mwando.
Zvemagetsi Aluminium inoshandiswa mumagetsi emagetsi, cables, uye zvikamu zvemagetsi nekuda kwekuita kwayo kwakanaka uye huremu hunhu.
Marine Aluminium inoshandiswa mukuvaka ngarava nemabhoti nekuda kwekusagadzikana kwayo, kunyanya munzvimbo dzine mvura yemunyu.
Consumer Goods Aluminium inoshandiswa mumhando dzakasiyana dzemidziyo yemumba, kusanganisira midziyo yekubikira, midziyo, uye zvigadzirwa zvemagetsi, nekuda kwekugara kwayo uye kunaka kwayo.

Curtain wall panels

Aluminium Alloys: Kuvandudza Metal's Properties

Nepo aruminiyamu yakachena ichishandiswa mune akawanda maapplication, inowanzobatanidzwa nedzimwe simbi kuti iwedzere maitiro ayo. Kazhinji alloying zvinhu zvinosanganisira magnesium, mhangura, manganese, silicon, uye zinc. Aya maaluminium alloys akaiswa muzvikamu zvakasiyana, imwe neimwe iine maitiro chaiwo akakodzera kune akasiyana maapplication.

Alloy Series Primary Alloying Element(s) Hunhu Hunokosha Common Applications
1000 Series Aluminium yakachena (99% kana kupfuura) Excellent corrosion resistance, high thermal uye magetsi conductivity Makondakita emagetsi, heat exchangers, makemikari midziyo
2000 Series Mhangura Simba repamusoro, yakanaka machinability, isingadziviriri ngura Zvivakwa zvendege, marori mafuremu
3000 Series Manganese Good corrosion resistance, simba riri pakati nepakati, kushanda zvakanaka Kubikira midziyo, midziyo yekumanikidza, makemikari kuchengetedza
5000 Series Magnesium Simba repamusoro, kunaka kwekusagadzikana, weldable Marine application, mapuranga emotokari, midziyo yekumanikidza
6000 Series Magnesium uye silicon Kugadzikana kwesimba uye kusagadzikana kwemarara, yakanakisa machinability uye weldability Zviumbwa zvezvikamu, Architectural applications
7000 Series Zinc Simba rakakwirira kwazvo, isingadziviriri ngura, kazhinji inoshandiswa mundege Aerospace applications, midziyo yemitambo

Environmental Impact uye Sustainability yeAluminium

Chimwe chezvinhu zvinokatyamadza zvealuminium ndeye kudzokorodza kwayo. Aluminium inogona kushandiswazve nekusingaperi pasina kurasikirwa nemidziyo yayo, zvichiita kuti ive imwe yezvinhu zvakatsiga zviripo. Kudzokororazve aluminium kunoda chete nezve 5% yesimba rinoshandiswa kugadzira yekutanga aluminium kubva ku bauxite, iyo inoderedza zvakanyanya kutsika kwezvakatipoteredza.

Heino kuenzanisa kwesimba rinodiwa pakati pekutanga kugadzirwa kwealuminium uye kudzokorodza:

Process Kushandiswa Kwemagetsi (MJ/kg) CO₂ Emissions (kg CO₂/kg) Recycling Rate
Primary Production 190-220 11-13 ~30-35%
Kudzokorora 10-15 0.6-0.8 ~90-95%

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