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<p class=3DMsoNormal><b style=3D'mso-bidi-font-weight:normal'><span lang=3D=
EN
style=3D'font-size:12.5pt;font-family:Arial;color:black;mso-ansi-language:E=
N'>Al&uuml;minyum
nedir? <o:p></o:p></span></b></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'>Sembol&uuml; Al ,atom numaras&#305; 13 ol=
an
ve manyetik olmayan bir metaldir.Normal ko&#351;ullarda suda
&ccedil;&ouml;z&uuml;nmeyen bu metal<span style=3D'mso-spacerun:yes'>&nbsp;
</span>yer yerkabu&#287;unda<span style=3D'mso-spacerun:yes'>&nbsp; </span>=
oksijen
ve silikondan sonra en bol bulunan elementtir.D&uuml;nyan&#305;n kat&#305;<=
span
style=3D'mso-spacerun:yes'>&nbsp; </span>y&uuml;zeyinin
a&#287;&#305;rl&#305;&#287;&#305;n&#305;n %8&#8217;ini olu&#351;turur ve
genellikle<span style=3D'mso-spacerun:yes'>&nbsp; </span>serbest metal olar=
ak
bulunmaz onun yerine 270 farkl&#305; mineral ile birle&#351;ik rastlan&#305=
;r.<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'>Al&uuml;minyumun en b&uuml;y&uuml;k
avantaj&#305;<span style=3D'mso-spacerun:yes'>&nbsp; </span>a&#351;&#305;nm=
aya
dayan&#305;kl&#305;l&#305;&#287;&#305; ile birlikte hafif olmas&#305;d&#305=
;r.<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'>A&#351;&#305;nmaya kar&#351;&#305;
dayan&#305;kl&#305;l&#305;&#287;&#305; hava ile temas&#305;nda y&uuml;zeyin=
de
olu&#351;an &ccedil;ok ince al&uuml;minyum oksitin daha fazla oksitlenmeye
engel oldu&#287;u i&ccedil;indir.Saf al&uuml;minyumun sa&#287;laml&#305;&#2=
87;&#305;
7-11 Mpa (1 Pa &#8801; 1 N/m2) iken ala&#351;&#305;mlar&#305; 200 MPa ila 6=
00
Mpa&#8217;ya kadar sa&#287;laml&#305;k sa&#287;lar.En sa&#287;lam&#305;
bak&#305;r ala&#351;&#305;ml&#305; olanlard&#305;r.D&uuml;nyan&#305;n
y&#305;ll&#305;k<span style=3D'mso-spacerun:yes'>&nbsp; </span>al&uuml;miny=
um
&uuml;retimi 40 milyon tona yak&#305;nd&#305;r.<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><b style=3D'mso-bidi-font-weight:normal'><span lang=3D=
EN
style=3D'font-size:12.5pt;font-family:Arial;color:black;mso-ansi-language:E=
N'>Al&uuml;minyumun
ilgin&ccedil; tarihi<o:p></o:p></span></b></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'>Saf hali zor bulunan (volkanik
p&uuml;sk&uuml;rmelerde bulunmak gibi ) al&uuml;minyuma bir zamanlar alt&#3=
05;ndan
daha fazla de&#287;er verilmi&#351;tir.&Ouml;rne&#287;in Napoleon III &ouml=
;zel
misafirlerine al&uuml;minyum kaplarda ziyafet verirken s&#305;radan
misafirlerine alt&#305;n malzemelerle sunum yap&#305;yordu.(</span><span
lang=3DEN style=3D'mso-ansi-language:EN'> </span><st1:place w:st=3D"on"><sp=
an
 lang=3DEN style=3D'font-size:12.5pt;font-family:Arial;color:black;mso-ansi=
-language:
 EN'>S Venetski</span></st1:place><span lang=3DEN style=3D'font-size:12.5pt;
font-family:Arial;color:black;mso-ansi-language:EN'> (July 1969).
&quot;&quot;Silver&quot; from clay&quot; Metallurgist 13 (7): 451-453.)<o:p=
></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN style=3D'font-size:12.5pt;font-family:=
Arial;
color:black;mso-ansi-language:EN'>Eski yunan ve romal&#305;lar al&uuml;miny=
um
tuzlar&#305;n&#305; kanayan yaralar&#305;n kanamas&#305;n&#305; durdurmak<s=
pan
style=3D'mso-spacerun:yes'>&nbsp; </span>i&ccedil;in
kullanm&#305;&#351;lard&#305;r.</span><span lang=3DEN style=3D'mso-ansi-lan=
guage:
EN'> </span>1827&#8217;de <span style=3D'font-size:12.5pt;font-family:Arial;
color:black'>Friedrich W&ouml;hler saf al&uuml;minyumu izole eden ilk ki&#3=
51;i
olarak tan&#305;mlanmakla birlikte baz&#305; kaynaklara g&ouml;re ondan iki
y&#305;l &ouml;nce Hollandal&#305; fizik&ccedil;i Hans Christian Orsted<span
style=3D'mso-spacerun:yes'>&nbsp; </span>de ilk bulan ki&#351;i olarak
g&ouml;sterilmektedir. Yap&#305; malzemesi olarak ilk defa 1895&#8217;te
Avusturalya ,Sidney&#8217;de ba&#351;kanl&#305;k binas&#305;nda
kullan&#305;lm&#305;&#351;t&#305;r.<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><b style=3D'mso-bidi-font-weight:normal'><span
style=3D'font-size:12.5pt;font-family:Arial;color:black'>Al&uuml;minyum ve
Kullan&#305;m Alanlar&#305;<o:p></o:p></span></b></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>Saf
olarak veya ala&#351;&#305;mlar&#305; ile ba&#351;ta yap&#305;
sekt&ouml;r&uuml;nde olmak &uuml;zere ta&#351;&#305;ma ile havac&#305;l&#30=
5;k
ve uzay sekt&ouml;r&uuml;lerinde ya&#351;amsal &ouml;nemdedir.Ayr&#305;ca t=
oz
halinde g&uuml;m&uuml;&#351; rengini tam olarak veren nadir metallerden
olmas&#305; nedeniyle boya malzemesi olarakta<span
style=3D'mso-spacerun:yes'>&nbsp; </span>kullan&#305;l&#305;r.Yine
g&ouml;r&uuml;n&uuml;r &#305;&#351;&#305;kta alt&#305;n ve
g&uuml;m&uuml;&#351;ten daha parlakt&#305;r.&#304;yi bir s&#305;cakl&#305;k=
 ve
elektrik iletkenidir &ouml;yle ki s&uuml;per iletken yap&#305;m&#305;nda
kullan&#305;lmaktad&#305;r.<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>K&#305;saca
&ouml;zetlemek gerekirse:<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>-Ula&#351;&#305;m
(otomobiller,u&ccedil;aklar,kamyonlar,demiryollar&#305;,gemiler,bisikletler=
)<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>-Paketleme(konserve
kutular&#305; ve yiyecek saklama foly&ouml;leri)<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>-&#304;&ccedil;me
suyu elde etme (zararl&#305; i&ccedil;eri&#287;in
ar&#305;nd&#305;r&#305;lmas&#305;)<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>-Yap&#305;
sekt&ouml;r&uuml; (pencere,kap&#305;,kaplama,kablolama)<o:p></o:p></span></=
p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>-Mutfak
aletleri ve b&#305;&ccedil;ak yap&#305;m&#305;nda<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>-Enerji
ta&#351;&#305;ma<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>-Bili&#351;im(Transist&ouml;r
ve cpu &uuml;retimi)<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>-Boyama
(toz halinde)<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><b style=3D'mso-bidi-font-weight:normal'><span
style=3D'font-size:12.5pt;font-family:Arial;color:black'>Al&uuml;minyum ve
sa&#287;l&#305;k<o:p></o:p></span></b></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>Bilimsel
makalelere g&ouml;re deney hayvanlar&#305;na verilen y&uuml;ksek dozda
al&uuml;minyumun belirgin bir toksik etkisine
rastlanmam&#305;&#351;t&#305;r.&#304;hmal edilecek derecede<span
style=3D'mso-spacerun:yes'>&nbsp; </span>az bir miktar&#305;
ba&#287;&#305;rsaklar taraf&#305;ndan emilmi&#351;tir.Yine insanlar
&uuml;zerinde bilinen toksik bir etkisi bulunmamaktad&#305;r. Baz&#305;
Alzeimer hastalar&#305;n&#305;n beyninde daha y&uuml;ksek oranlarda
al&uuml;minyum elementine rastlanmas&#305; &uuml;zerine son zamanlarda bu
hastal&#305;k ile bir ba&#287;lant&#305;s&#305; olup olmad&#305;&#287;&#305;
&uuml;zerine &ccedil;al&#305;&#351;malar
yap&#305;lm&#305;&#351;t&#305;r.Al&uuml;minyumun beyne nas&#305;l geldi&#28=
7;i
tam olarak tespit edilememekle birlikte yemek saklamada kullan&#305;lan
al&uuml;minyum foly&ouml;lerin veya tencerelerin bu y&uuml;ksek miktarda
birikime neden oldu&#287;unu sonucuna
ula&#351;&#305;lmam&#305;&#351;t&#305;r.(Utah State Universitesi,Georgia C.
Lauritzen)<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>Bilim
t&uuml;ketici seviyesinde al&uuml;minyum &uuml;r&uuml;nlerinin baz&#305; al=
erji
vakalar&#305; d&#305;&#351;&#305;nda zarar&#305; oldu&#287;una dair kan&#30=
5;t
olmad&#305;&#287;&#305;n&#305; belirtmesine ra&#287;men &ouml;zellikle
&uuml;retimde e&#351;ik derecesi bilinmeyen miktarda<span
style=3D'mso-spacerun:yes'>&nbsp; </span>toz al&uuml;minyumun
solunmas&#305;n&#305;n b&ouml;brekleri olumsuz etkileyece&#287;i bilinmekte=
dir.<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><b style=3D'mso-bidi-font-weight:normal'><span
style=3D'font-size:12.5pt;font-family:Arial;color:black'>D&uuml;nyada
Al&uuml;minyum Piyasas&#305;<o:p></o:p></span></b></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>En
&ccedil;ok al&uuml;minyum t&uuml;keten &uuml;lkeler:<o:p></o:p></span></p>

<ul type=3Ddisc>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>Amerika Birle&#351=
;ik
     Devletleri<o:p></o:p></li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>Japonya<o:p></o:p>=
</li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>&Ccedil;in<o:p></o=
:p></li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>Almanya <o:p></o:p=
></li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>Fransa <o:p></o:p>=
</li>
</ul>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>En
&ccedil;ok al&uuml;minyum &uuml;reten &uuml;lkeler:<o:p></o:p></span></p>

<ul type=3Ddisc>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>Amerika Birle&#351=
;ik
     Devletleri<o:p></o:p></li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>Rusya<o:p></o:p></=
li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>Kanada <o:p></o:p>=
</li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>&#304;ngiltere<o:p=
></o:p></li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l2 level1 lfo3;tab-stops:list 36.0pt'>&Ccedil;in<o:p></o=
:p></li>
</ul>

<p class=3DMsoNormal><span style=3D'font-size:12.5pt;font-family:Arial;colo=
r:black'>Al&uuml;minyum
piyasas&#305;n&#305; belirleyen borsalar:<o:p></o:p></span></p>

<ul type=3Ddisc>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l4 level1 lfo7;tab-stops:list 36.0pt;mso-layout-grid-ali=
gn:
     none'>Londra Metal Borsas&#305; (LME) <o:p></o:p></li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l4 level1 lfo7;tab-stops:list 36.0pt;mso-layout-grid-ali=
gn:
     none'>Tokyo Commodity Exchange (TOCOM) <o:p></o:p></li>
 <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-mar=
gin-bottom-alt:
     auto;mso-list:l4 level1 lfo7;tab-stops:list 36.0pt;mso-layout-grid-ali=
gn:
     none'>Shanghai Futures Exchange (SHFE) <o:p></o:p></li>
 <li class=3DMsoNormal style=3D'mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto;
     mso-list:l4 level1 lfo7;tab-stops:list 36.0pt;mso-layout-grid-align:no=
ne'><span
     style=3D'color:black'>New York Mercantile Exchange (NYMEX) </span></li>
</ul>

<p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
auto;margin-left:18.0pt;text-align:center;mso-layout-grid-align:none'><span
style=3D'color:black'><a href=3D"http://www.ergenay.com/">http://www.ergena=
y.com&#8217;a
geri d&ouml;n</a><o:p></o:p></span></p>

</div>

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