Dokumen.tips Peleburan Dan Penuangan Paduan Tembaga Cor

8/15/2019 'Dokumen.tips Peleburan Dan Penuangan Paduan Tembaga Cor

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Makalah Teknik Pengecoran Logam

“PELEBURAN DAN PENUANGAN BERMACAM-MACAM

LOGAM”

Disusun oleh:Kelompok 7

HORAS NASUTION ( 12.331.032 !

PROGRAM STUD TE!N! MESN

"A!ULTAS TE!N!

UN#ERSTAS SLAM RAU

PE!ANBARU

$%&'


2/16

!ATA PENGANTAR

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m%k%l%h ini me'up%k%n l%po'%n en%n+ pele-u'%n $%n penu%n+%n -e'm%%m/m%%m

lo+%m.

Den+%n 'umus%n m%k%l%h e'se-u -e'isi en%n+ pele-u'%n $%n penu%n+%n -e'm%%m/

m%%m lo+%m.$%'i mul%i pele-u'%n $%n penu%n+%n -esi o' m%mpu emp% pele-u'%n $%n

penu%n+%n -%#% o' pele-u'%n p%$u%n em-%+% se'% pele-u'%n p%$u%n %lumunium o'.

,en+in+% isi &%n+ $i kemuk%k%n $i %%s ulis%n ini mu$%h/mu$%h%n -is% $i e'im% oleh

$osen m%% kuli%h eknik pen+eo'%n lo+%m.

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mem-e'ik%n -%nu%n $%n $o'on+%n $%l%m pen&usun%n m%k%l%h ini hin++% seles%i ep%

p%$% %kun&%. Semo+% m%k%l%h ini $%p% -e'm%n%% unuk ses%m% $%n &%n+

mem-%%n&%. D%n semo+% All%h S)T mem-%l%s %m%l -%ik &%n+ el%h $il%kuk%n um%/

N&% %%s ses%m%. Amin.

"ek%n-%'u Ap'il 201

Kelompok 7


3/16

Pele()ran *an Pen)angan Be+i Cor Mam,) Tem,a

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$%'i -%h%n -esi o' m%mpu emp%.

Komposisi kimi% $%'i %i'%n h%sil pele-u'%n kupol% %$%l%h se-%+%i -e'iku :

: 23/336

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h%ln&% p%$% -esi o' %i'%n $iu%n+k%n ke$%l%m e%k%n p%si' -%s%h %%u p%si'

sineik &%n+ mempe'+un%k%n pen+ik% -enonie $en+%n k%$%' %i' 3s%mp%i 6.

A Pele()ran*anPen)angan Ba.a Cor


4/16

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5/16

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6/16

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7/16

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8/16

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9/16

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10/16

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11/16

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B Pele()ran *an Pen)angan Pa*)an Tem(aga Cor

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-e'iku:

4%h%n Tiik %i'


12/16

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9 12mm 1030C100 O

12C1 mm 1000C1030 O

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13/16

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u%n+


14/16

Tempe'%u' &%n+ ook unuk penu%n+%n %$%l%h 1220O unuk o'%n &%n+

ipis 110 O unuk o'%n &%n+ -e'uku'%n se$%n+ $%n 1100 O unuk o'%n &%n+

e-%l. 4'ons G%lumunium %i' ki'% Gki'% men+%n$un+ 106Al $%n en$'u+

mem-u% e'%k. Sel%n#un&% k%'en% $i% mempun&%i $%e'%h %i' &%n+ sempi m%k%

men&e-%-k%n pen&usus%n. Oleh k%'en% iu e'%k pe'lu $ihil%n+k%n $en+%n %'%

penu%n+%n -%%h.

D Pele()ran Pa*)an Al)m)ni)m Cor

Aluminium $%n Aluminium p%$u%n $%p% $ile-u' $en+%n -%ik %np% kon%min%si +%s

Hi$'o+en -il% pokok/pokok penin+ p'oses pele-u'%n $ikui $en+%n ep% $%n e'm%.

Dis%mpin+ iu -%h%n -%ku &%n+ -e'sih %np% pemu%%n %m-%h%n se'% p'oses/p'oses &%n+

men+%$uk %i'%n (mo$iik%si +'%in'einin+! %k%n s%n+% men+u'%n+i poensi kon%min%si

+%s e'se-u.

Pokok-,okok ,en/ing ,ro+e+ ,ele()ran Al0Al ,a*)an

1. "em%n%s%n i$%k le-ih $%'i 770 o. Di%%s empe'%u' e'se-u %k%n e'#%$i

kon%min%si +%s H2 &%n+ -es%' sehin++% men#%$i po'osi%s p%$% p'o$uk o'.

2. un%k%n sel%lu -%h%n -%ku $%n %l%/%l% &%n+ -e'sih $%n ke'in+. Al/in+o $%'i $%'i

p%-'ik Aluminium sekun$e' -e'se'iik% h%sil %n%lis% me'up%k%n pilih%n e'-%ik p%$%

p'oses ini. Unuk pen++un%%n -%h%n $%u' ul%n+ m%upun sk'%p pe'h%ik%n

ke-e'sih%nn&% (p%si' e%k oli %i' s%mp%h $ll!.

3. K'usi-el h%'us -e-%s 'e%k $%n -e'sih $%'i $%'i sis%/sis% %i'%n m%upun koo'%n

l%inn&% se-elum p'oses $imul%i. Sis% %i'%n &%n+ umumn&% -e'up% oksi$% %k%n

men+%ki-%k%n e'-enukn&% inklusi/inklusi ke'%s $i$%l%m p'o$uk se'% men#%$i

emp% +%s/+%s menempel %%u e'#e-%k. Se$%n+k%n 'e%k '%m-u sek%lipun i$%k

e'em-us %i'%n n%mun %ki-% ek%n%n &%n+ in++i $i'u%n+ -%k%' (e'u%m% p%$%


15/16

%nu' -e'-%h%n -%k%' min&%k! %k%n $%p% $il%lui oleh +%s/+%s sis% pem-%k%'%n

(khususn&% H2! sehin++% m%suk ke$%l%m %i'%n.

5. 4%h%n -%ku h%n&% $imu%k%n ke$%l%m k'usi-el &%n+ el%h p%n%s. Demiki%n h%ln&%

pe'%l%%n h%'us $ip%n%sk%n e'le-ih $%hulu se-elum $i+un%k%n.

. "e'h%ik%n -%h% Aluminium p%$u%n -e-%s u $il%'%n+ $ile-u' men++un%k%n

k'usi-el -ek%s Aluminium -e'p%$u%n u. "%$% umumn&% u %k%n men+en$%p

$i$%s%' $%n %%u e'sis% p%$% $in$in+ k'isi-el sehin++% sel%lu %k%n men%ikk%n

k%n$un+%n u p%$% -%h%n h%sil p'oses pele-u'%n sel%n#un&%. Unuk k%sus sepe'i

$i%%s se-%ikn&% se-elum mel%kuk%n p'oses pele-u'%n Al p%$u%n non u e'le-ih

$%hulu $il%kuk%n p'oses pele-u'%n %n%'% $en+%n u#u%n unuk mem-e'sihk%n sis%/sis% $%n en$%p%n u $%'i $%l%m k'usi-el.

. Kon'ol empe'%u' seel%h pen%i'%n h%'us s%n+% $ipe'h%ik%n se'% se'en$%h

mun+kin sehin++% kon%min%si +%s $%p% $iek%n. Hol$in+ empe'%u' $i%n#u'k%n

h%n&% se$iki $i%%s suhu liui$n&%. 4%'ul%h men#el%n+ p'oses penu%n+%n empe'%u'

$in%ikk%n hin++% empe'%u' %ppin+ seep% mun+kin.

7. "e'-%n$in+%n '%mu%n %n%'% in+o $en+%n -%h%n $%u' ul%n+ &%n+ -%ik %$%l%h 50 : 0.

Den+%n %%%n pe'-%n$in+%n $%p% -e'-e$% h%n&% $en+%n men%m-%hk%n pe'sen%se

in+o. "e'-%n$in+%n '%mu%n se-%ikn&% $ipe'%h%nk%n e%p se-%- pe'u-%h%n &%n+

se'in+ $il%kuk%n h%n&% %k%n menu'unk%n ku%li%s h%sil pele-u'%n.


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$en+%n u$%'%. H%sil s%mpin+%n $%'i 'e%ksi e'se-u %$%l%h +%s H2 &%n+ m%suk

ke$%l%m %i'%n. Dis%mpin+ iu men+in+% -e'% #enis oksi$% %luminium mi'ip $en+%n

Aluminium iu sen$i'i m%k% p%$% s%% 'us%k oksi$% ini $%p% en++el%m $%n men#%$i

inklusi.

DA"TAR PUSTA!A

/ T%% su'$i% ken#i hi#ii%. 2000. 4uku Teknik Pengecoran Logam. F%k%'% :"'%$n&%

"%'%mi%./ hp:==%lsens%lo.-lo+spo.o.i$=2011=10=p'oses/pele-u'%n/p%$%/-esi/u%n+/$%n.hml

/ hp:==%n'olu+%.-lo+spo.o.i$=2011=0

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