University of Lampung | LPPM-UNILA Institutional Repository (LPPM-UNILA-IR)
m@@@@@
I,F,N'IBAR PENGF,SAHAN
porennaliry,{nd Dra*txck On The Appllcalion Of M.gneyum Aid lts
Allot lr AulomobiLc lndusrry
1
lzr
Fal!
:j ;:
Suknatu
ras
rc[n
k,
(NlP l97003l2200ll2l0lll)
Un]lc6iles Lampur8
JLfrdlKrjixn leknolog,
lss\ lJll
2693
\ol 3No l.Haa'nai l-90.BulaDMcr 1a[trtr]006
JunxlKal'rnTe[.o1og'
BandarLdmpunq.l ]\Dnl 1017
-}{-+41"
1,5?-,16T+r I
, >:: l:
S:hmo. \,lSc.PhD
Penul6.
vol I
NO.
!
rssN
/r^ei 2006
1411 2698
JURNAL
KAJIAN TEKNOLOoI
TERAKREDITASI NO. I
34
/DIKfi/(EP/?OO3
PTLINDI]NG
KLIUA PENYUNTINC]
I P'ol Dr lr DoliSant'nNrg.. i!i\ sl
L Pn| lr Sofia \\ 1 nyahhxrr \l sc.I'h l)
:1. Pn,t: l) lr I Nl.dcKrn,kr D Dp l"!
.1 Prot Dr. k ildd) siraJj. Nl Eig
j D..lr Damng ftiirmodjo. NI A cl
6. Dr lr. Na, ek \\ ldrlrli. Nll
7 I' T,iLlaro Kil)oM. Nl,\.l'h.D.
3 Dl Ir Srgil'ln.Ah,i \il
c nr h l-cknnoDo S.P. iUI
l0 Tr Ro.sdiDan So.gihmso. NI S. . l'lj.D.
l1 I)r lr DjunaediKosash. \l sc
PFNYINT!NC PI.]NELA H
rr
l]r
LrD Y T ]\n.na.
\l s.
li h 'l irndrr Snsil.. V Figsc l'hD.
ll D lDg SurJ.diSa os.
li lr D.ddj Kun,ir\srn llr . \'1\1. Ph li
l u'nNalrr
Jl.t.etJerSP niiNo.Ll.k ra 11,140
PIN[lJlrr
Fx[u
krTck ikI trnc
Iep
siras
j66lll.l. j6i3ll-i
l566llr7. E mil: funi.r'arbtrmtid
567:5J8.
Fd( (02
JumlKrjlaf lekrclogi|!ku ras TekDik Un !c(ir$ Tarumanasa.a t bi
Nopcnber 1999. Rukls dcisuM rie pa.a proi $lor 3 ld} duni,Llahi.Pc idikr &pcic r)
fdukberp lislpasimeigembaisktn P r$ drtrmeiyeb uslan l&kcnl'igan ilinl
melauilrenclnisnmrtrrmkaiirrd.nnDditene L di JLtriiL krj rlknooei lmg
dite$trhn2ld tkl rdal,ui radibuai \Ic dxtr\opdnbtr
JLm.
(aihi Tekno!ogiFa[!l$
Dnclodlcnd alPendmlki l
Trkn k
igg
t]nir{\ hs lmmrirldr1c n
bcdasark,,sLrar Kcpurusatr\o i1/DlK',lliK.p/100rTan$al
arsirekru.- rekn k siEi Pdnoloq
qr$ k lndon$ir.
10.r l00i
T€knik Mes n -Teknil EL€kr.d
:r i \a
rssN
1 /v\ei 2006
1411 2694
JURNAL
KAJIAN TEKNOLOGI
TERAKREDITASI NO. i
34 /
bIK\t/
Kep /
2403
P$nxncn.rhrnrrn bcr*D.l
'!rurxn
t elrnil< ivl(sin :
.:::iikr\i Ltke.xsi. pd'.uhlm n,rtrirl prda troscs bului
:-:
I
,'\d.{d. R.r:lur JuTej. Slretuyitno
:..iF Jnddr,.\Lhclo'.Ilr,ppln,'tionof magn!.Lm'nJ
! n 3trronobil€ inrrnv,l
:
!: r_/-,r..orrt,6d unn'li pendrlurn kehrhcxlan
r
.r.r'd3li
proses iebal ,tu.kd? ti,,e sTD di PT.
rurusrn Tekhik Elcktro
:.::rinern drn ibDlement,*i
:
enkripxi
drlr dens!n
. j.ntrs. Tony Wnrak dd .\lus Ilalim
L io
.
D
o.otog,
j
4L rr A4a
i . id,,t chlj,
o
EDITORIAI,
Penerbnad .runat Kajjdn Teknot.et (JKT) tr!kuhas |cknjk Lini!ersilas I arunranrgxrd
krii ini rncmuat 7 (rujrh) nralnlah !ang nrrxkili bidrns-bidlrs jtntr ),xns ada di fa[r]lhs
'lcknik Lriivcrsnas lannlmsara. tla ini $rs!uh sangar Dr.Degolrhtri[d
srkati-!ns
nnrdrhindrhin drpal inenrb.r katr konlrib(i leDada n6ke.rba r!m lonrbr!a.
larapeDulk kaLiini bnkh hanya disakili dlch civnas Onilcrsnas rarundra$ra, teraDi
rga 6da bcbq"pd
e". dd oel, mp n. .r.'.r d lud' | \ I \e. yJ ., : rdru.al teh i^
'cl'1
' lLtr$.r 'liklik
Sipil FI Univesnas
Lanpnns.
Mesjn FT Univesna LamFunJ: dan dej
j
Judrd in' I \|e.tr.r.\e'.i ..8 'g'
'lr
Bidang Anitckhr diwakili oteh I Gatu) makatah yans memhahas Fnla.g *rukfu d,sar
sebuah banlunm yang ada dllam bidang asnck$r. Bidang Teknjk Sipit lans diwakiti I
Gant mak.l.h ymg tucrnbahas Enrang pengaruh ,1/cr re radap detbmasi temanen
canpuran beraspal BidlDs TekniL Vcsin dnralili oleh 4 iemfal) njxk,tah Jan{ be;asa darj
nNrnNi luar 2 (dua) n.k.l.h dc.gan balasar r.nlans Fknik .&red4rrr,s umLtr penenlun
kched,ran mesin /.rer
dan ptentialiry and dranbrck.h the dprti.ahn .1.;oEn!! hu
ahd iE alla! ni
ahobile nldtrrr),. Sedang 2 (dua) makalan dart Jurusan Teknik Mesin tT
Untlr memb.has lenlang idendnkasi keteGsan perhuk&n matenat p.da poses bL$u
dengan kecepatx. totonsrinseidan pdnbahasan mengenaipcta tcndati proses rebota/dr,(./
ripe STI) di PT. a. Mlkalah ilniah dengan pcnbrbasan nengenai pc4todelD ltufnnan
a
dald
-r,
pemcnngan dan implcne.r,si enkipsi da$ menrp.kan Denak;hn
lc[r'lFl.
'o
r.b,E.,' J
di
Ju.uen
n.,t.,.ddo!,-,rF1l_,
manusia ini, lkan',Lr...
mc,nberikaD krxrib$i d;hn N;ha
bidare ilinu tekni[, d.n sunibcr dar-i
nutu jmlal Alls dNar rcscbur. rcdatsi ireiD mcngucapkrn ban],ak rdirna
'nenhg[aan
kasih kepoda seluruh ncnrln yang tdtar d0r lkah rurur serla dalrn oci; san.litkT rr,n,
M d ,.1, J...r '.,. \.
.\ip,-p.r,1
'r Ldf"
nflrerbiian 1!n! r[and, mne
Akhir k.1{. llodaksi b.{hmp dr
r n.nluJro:j
keDrda
sehrf| rckh EkaD.enut\seni
pc r l,.Fo io.n- .. r"'i \..rt.'r. t..1...ir l-Jr toJ t(r I v-r.
dan l&Dlk Elektro) dard turlt srna trerpanisipasi drlaft u.ohu ;.nr.bn",n ,l,n
pc-.,,,h.1; l'r 1 ..'r
,h.,JL., tr.J,., p,t. .m.hr".1 .- hrJr ...,rg
'
JrnJrri! Selr'r
ndnl,r '.r'
rJlon
PO'I'IiNTIALITY AND DRAWBACK ON THI APPLICATION
OF MAGNIiSIUM AND ITS ALLOY IN ATITOMOITILI' IN'DTJSTRY
Bt:
In,
P:,',
b
I
",
Suknan,
l
'
,''
lrri'l' ''j
Fd'krj
l: '
hr";,.;',,,a..,r
,"""!.",r
nfqik rn d rtun
rc o..",.
".
"
,; "''
":-"..
,i;;
",i;,i;"
:,:
INTRODIJCTION
Tl ,lc d..
or {,, .i I '
l-. ..
,r
h,rJ
,.r.
:. .,.,..r_i..
I
f, ii,,t .i .j
.. , i
in. .L
,r!,
,a
r
o
'd ' d... '.t.,Jl'. t,-.
'C\'r \'-.
-gd..dp
",.,,,.r;,..
o ti,t
p.
.o t(
'. r \F1 i\. ,
Dseofncrdlicmatcnrh
in lilhl$ris|r drnru- on cor.p;.d r,,r,,r
y..,"."";"r,."lp"
r,e.,n.',r \e r '' I
.lrr , r .. ,. ,o q \. ,.r(
.. r. | ..
j,t
,
'".ed
some
' rl rr .(o .
rr., Jto\ ..t,,r,, ,
",., ,",
*i".r
",.*,si
I ..cir
,.,\\er.
..
f, , t. .i.r ";,i.,:,,."j;*i
a.
b.d\ pars M.snsiurn h.s rtr hishsl $Ele,h
oe,ei.fl
[(e
,.f
io.
rlJc .r'
p. ., rrooi..j.p.,rrj rJ r.. I.ier,..
,.-. o,..,d,.1or,.
,!,bI
t..r.,
- "l * "roc,!,. - o..
|
a, , dt e..r ocKr n.- abi. .. r. .ot oer
i-ir .r,pr..rr. 1,..roi I J...J, 8"",i'lJ.sl-?,.:l:..-.'rna3.o'
. \r r..!,,9..a
.J.,,
ngnrtrca.r srrslh olrasrcsiun
.
.l ,.....:
,t.rr._,...
i. a!.fuein{ atir(l09,iper
t9 .'.
r;
h-.,
atunm \r.ndwtde [].6.t51.
r .te.t,.,r,.,ooo
, ,ort
t..,,,1 -fr"-
.
,.,o . . t . , , .,i .
01 pinart imponance. Magncsiuh and ns a oys hare I ririLtr
so.rL corosion .esisi;;
undcr Dorniai a'nbicnl .on.hjon_ bnt il lcnds r. c.;!dc {,ongb,
i. cil.ride. sr|.rle. .aibdur;
and nilrarc containins solL&hs
12,4.5,61.
M CNES]TINI
EI,N]II1NT
tu rri ,.on abnnJrnl nrrlllic cLenr..r (ab.rr I5%)
r.,".-lr,i,.
V ,Jp,.,," .n,,.,Io,,.....,..t
.ioo ,,
,
,,,or,,","i,r!tro.(.).t.1
"i
(M8) is
..Magn$iu'n
.,rr.
',n|
.o{{.bo-r
in
rtre
.n
lllagn€siuD is r lighr silvcqarhilc ndalli. cl.ndnl .l ih. alkiiN c.'1lr \crcs.
occu ng pinciDlll) is,n Crrdlirc (Nlgcl KCl 6llr()). Doldnite (l lec( ) I (l!(lo.). rrd
Maer.sirc (ivlgCOr): uscd ln hghr {.ucrutul.ll.vs. with s}nrbololNle l\,1lgnrsiNn h!s dn
alo.ric.rmber l2 d d.niic qeishl ?.1.111 and \aleDcr- nlnrbcr 2 Thc reLrlrvc dcnsiry 01'
Nlalnesi[nr i\ I 7]3 dnJ mcllin! poiDl on 651_Cr PUN \lagrcsnm harr r cNnrl nnrrtr.
closc packed he\xg.nJ (hqr) (r=l20llJ c= 5 2002) [2.1.]
V.gncsium elemen( rva\ irsr isollrrJ rn ll08 br lho Frglish scienrGr l)al!. blr sds
not untl 1352 tlul llunscr den.nstrdi illr mrgnesnN nrcllL coulJ bc *o[lrd L]\
electroltrisol lnsed mltdrous niagnesnm chlo le, magnesiun beirg rLcascd .l thc crtlmde
and chlorinealrhe anodc.l r c.ll
A Ctrmxn .onpan,v. Chenrische F3h,ik G,iesheinr ELeklrcn (Dos 1o!\! rs
Mig csnnn Elcknon co.), lir$ exploned $e connnercial positrllirics .a lhe electoLytic
frcthod of producrnrn in 1909 Br' dc 1920 s. {l]c cl.ctLol}ti. ptuccss hal b.cn \orle{l our
on an induslrial sc.lc afd rhc netxl bc.rme x\r,l.ble in commdrciJ qrrnrnlcs ro uni! ns
u\e
i\ a {
.rural nulerial.
loda), .r-lnesiunr is bdl ir a Ji\.rc ra.g. ol nydrcrs rnd xtpliclliofi. ea.h one
c\ploilire rhc rii!!c thysic"l rnd nre.hdnicrl Fote ,€s ol the elemenr rrd ils al .rs. \\'orld
F !.ri.n .l nraenesium lolds 41 i.000 tnnes per ammr and rhe figuc s i $cising
aDrulll) !s rbr li!:hN'cilll propcnics ol DalNsnn alloys ar. lscd iocr.nlrngll r de
nulomoti!e ,odu*'l rs i mehr ol red cnrg \veighr. i,1.,tdri.g lnel eficicnct .rd Lcdr.il.!
srecDhols sas onissions. tl5l
MAGN[SIUJlI ALLOYS
'lh. pi..ipal
ncchankD {hi.h magrcsn$.uy $rrnErbcn lllors is precipiulon
Ln!.lves al,niour. conrponnds. MieNsirn alL.!r hxrc born
slrcoglbening, which
deleloped tbr a variely of appLicarions Nherc l.$ dcnsity k in.rd ,nrNnr thu strc.slh
uullt
'lablc L crtlainsrbou{ li!rsallol.omposilio0solcasringma-!nesiLD
Iable l: Allorirrg
eLenrcnts !s.d
The clencnhLconrposnio.s are all g,ven
xlLoys.
nrdicca$nrghdsncsium rll$r.
I Fercentase $cight ( Sl M B 9ll ll.1J
Vogicsiuin alLols are desig.dred ds 6llous [],141
One or lrvo preix lettes. indicatiner]tr lri..inal xlLotnlg eLe enis,
'lM or lrBc nlorells, rndicdnrg lhe percenLr-ge ol thc nriJrcilal allojiog eldoreDn.
ron.ded.ff to tlt rearest dccimal
A Letcroflhe alphabct. cxc.|r ihc lcros land o. indi.arins rhe {i.dardi,cd allo!s. \rirll
dino. \aridtons,n cornposilron.
Thetcmperoflhcmllcrial. nrdica(cdbr tlic sanic synbol\ scd ror Al rllovr
r|. r .\\ AZr)ta n rodir.rcc rtrlr:
th.llir.inxtai|)\rngctcnr.[rrenttrn)irnnjir.!p.rceDr.rorr{ted.ft]and.o.(Zn.t
lrore\aDplc.
nerccr0
Tnc ldttu a. rlE rh,.d
-"'1 :i. .'.'"
.r0 ol
re
i
pl,rb.r. indt.des thdt h rtre ri,nd xtby nrnda
izcd.
..
.
..,
, ,. . ,i..
Tli..llolirc dcDi.d rn. ,6 iIrftrrii!: ol.Nluicju,n
lcn.s
as
lolllnr:
t\/
L,
NIiDo.l.l.
.
IDpurirlcsr
POT[NT]AL|.[\'
nrn! Sr.Zi.L..ftr.rxJ
I o l! \r
,\ ND
Atpt,t(.at)o\
IN
-. .,.'c.
t:
xnots ca. be rti\ ded
, ,,,,.,,,
d ,oV,
do s.erat
.., ,.q
Ltl
.{I1o\roi]tr.I
INDI s_t.Ry
E
i
\,rc,!
I \\!!
.irL
l.r Srlr t?r. \.r!M.!rc\
Thc oorenrixt 01 nl-soe! rnr rtI nr
nrcnsrh r, \c,shrf.ri,,. !o.d cr\ rbjl,ri jnr
trr
!c.errl c Lhc \err high
xs orDlnii.D f,grr. ard
figuc:AlnllN$l7.liJ
1'
fisure
I
AFplicnti0D in
\lachni. pnr.rNecded
duto
rl rdli
nr
\, , Lr
qttor R.
J|\r
u I tr-r
k5
n
0bitr Indu\rn
\4agdesiu,. i nj.reasin!h b.$nrjrr! in ftmcrn,c
aherd&ivc 10 s.et. a rni num. aod
p.llmcr conposir.s ror .A,t.t" n."t,i ,.il!.rid
duc b ir\ ibilnl h ,r.d retri.l,.
perlonrafce r.quntDreoh lhe \.]!ht rclr
cdrns harc hce. oradc pDr\iLrL. bl rbe
oi'
\, h
\
I,F,N'IBAR PENGF,SAHAN
porennaliry,{nd Dra*txck On The Appllcalion Of M.gneyum Aid lts
Allot lr AulomobiLc lndusrry
1
lzr
Fal!
:j ;:
Suknatu
ras
rc[n
k,
(NlP l97003l2200ll2l0lll)
Un]lc6iles Lampur8
JLfrdlKrjixn leknolog,
lss\ lJll
2693
\ol 3No l.Haa'nai l-90.BulaDMcr 1a[trtr]006
JunxlKal'rnTe[.o1og'
BandarLdmpunq.l ]\Dnl 1017
-}{-+41"
1,5?-,16T+r I
, >:: l:
S:hmo. \,lSc.PhD
Penul6.
vol I
NO.
!
rssN
/r^ei 2006
1411 2698
JURNAL
KAJIAN TEKNOLOoI
TERAKREDITASI NO. I
34
/DIKfi/(EP/?OO3
PTLINDI]NG
KLIUA PENYUNTINC]
I P'ol Dr lr DoliSant'nNrg.. i!i\ sl
L Pn| lr Sofia \\ 1 nyahhxrr \l sc.I'h l)
:1. Pn,t: l) lr I Nl.dcKrn,kr D Dp l"!
.1 Prot Dr. k ildd) siraJj. Nl Eig
j D..lr Damng ftiirmodjo. NI A cl
6. Dr lr. Na, ek \\ ldrlrli. Nll
7 I' T,iLlaro Kil)oM. Nl,\.l'h.D.
3 Dl Ir Srgil'ln.Ah,i \il
c nr h l-cknnoDo S.P. iUI
l0 Tr Ro.sdiDan So.gihmso. NI S. . l'lj.D.
l1 I)r lr DjunaediKosash. \l sc
PFNYINT!NC PI.]NELA H
rr
l]r
LrD Y T ]\n.na.
\l s.
li h 'l irndrr Snsil.. V Figsc l'hD.
ll D lDg SurJ.diSa os.
li lr D.ddj Kun,ir\srn llr . \'1\1. Ph li
l u'nNalrr
Jl.t.etJerSP niiNo.Ll.k ra 11,140
PIN[lJlrr
Fx[u
krTck ikI trnc
Iep
siras
j66lll.l. j6i3ll-i
l566llr7. E mil: funi.r'arbtrmtid
567:5J8.
Fd( (02
JumlKrjlaf lekrclogi|!ku ras TekDik Un !c(ir$ Tarumanasa.a t bi
Nopcnber 1999. Rukls dcisuM rie pa.a proi $lor 3 ld} duni,Llahi.Pc idikr &pcic r)
fdukberp lislpasimeigembaisktn P r$ drtrmeiyeb uslan l&kcnl'igan ilinl
melauilrenclnisnmrtrrmkaiirrd.nnDditene L di JLtriiL krj rlknooei lmg
dite$trhn2ld tkl rdal,ui radibuai \Ic dxtr\opdnbtr
JLm.
(aihi Tekno!ogiFa[!l$
Dnclodlcnd alPendmlki l
Trkn k
igg
t]nir{\ hs lmmrirldr1c n
bcdasark,,sLrar Kcpurusatr\o i1/DlK',lliK.p/100rTan$al
arsirekru.- rekn k siEi Pdnoloq
qr$ k lndon$ir.
10.r l00i
T€knik Mes n -Teknil EL€kr.d
:r i \a
rssN
1 /v\ei 2006
1411 2694
JURNAL
KAJIAN TEKNOLOGI
TERAKREDITASI NO. i
34 /
bIK\t/
Kep /
2403
P$nxncn.rhrnrrn bcr*D.l
'!rurxn
t elrnil< ivl(sin :
.:::iikr\i Ltke.xsi. pd'.uhlm n,rtrirl prda troscs bului
:-:
I
,'\d.{d. R.r:lur JuTej. Slretuyitno
:..iF Jnddr,.\Lhclo'.Ilr,ppln,'tionof magn!.Lm'nJ
! n 3trronobil€ inrrnv,l
:
!: r_/-,r..orrt,6d unn'li pendrlurn kehrhcxlan
r
.r.r'd3li
proses iebal ,tu.kd? ti,,e sTD di PT.
rurusrn Tekhik Elcktro
:.::rinern drn ibDlement,*i
:
enkripxi
drlr dens!n
. j.ntrs. Tony Wnrak dd .\lus Ilalim
L io
.
D
o.otog,
j
4L rr A4a
i . id,,t chlj,
o
EDITORIAI,
Penerbnad .runat Kajjdn Teknot.et (JKT) tr!kuhas |cknjk Lini!ersilas I arunranrgxrd
krii ini rncmuat 7 (rujrh) nralnlah !ang nrrxkili bidrns-bidlrs jtntr ),xns ada di fa[r]lhs
'lcknik Lriivcrsnas lannlmsara. tla ini $rs!uh sangar Dr.Degolrhtri[d
srkati-!ns
nnrdrhindrhin drpal inenrb.r katr konlrib(i leDada n6ke.rba r!m lonrbr!a.
larapeDulk kaLiini bnkh hanya disakili dlch civnas Onilcrsnas rarundra$ra, teraDi
rga 6da bcbq"pd
e". dd oel, mp n. .r.'.r d lud' | \ I \e. yJ ., : rdru.al teh i^
'cl'1
' lLtr$.r 'liklik
Sipil FI Univesnas
Lanpnns.
Mesjn FT Univesna LamFunJ: dan dej
j
Judrd in' I \|e.tr.r.\e'.i ..8 'g'
'lr
Bidang Anitckhr diwakili oteh I Gatu) makatah yans memhahas Fnla.g *rukfu d,sar
sebuah banlunm yang ada dllam bidang asnck$r. Bidang Teknjk Sipit lans diwakiti I
Gant mak.l.h ymg tucrnbahas Enrang pengaruh ,1/cr re radap detbmasi temanen
canpuran beraspal BidlDs TekniL Vcsin dnralili oleh 4 iemfal) njxk,tah Jan{ be;asa darj
nNrnNi luar 2 (dua) n.k.l.h dc.gan balasar r.nlans Fknik .&red4rrr,s umLtr penenlun
kched,ran mesin /.rer
dan ptentialiry and dranbrck.h the dprti.ahn .1.;oEn!! hu
ahd iE alla! ni
ahobile nldtrrr),. Sedang 2 (dua) makalan dart Jurusan Teknik Mesin tT
Untlr memb.has lenlang idendnkasi keteGsan perhuk&n matenat p.da poses bL$u
dengan kecepatx. totonsrinseidan pdnbahasan mengenaipcta tcndati proses rebota/dr,(./
ripe STI) di PT. a. Mlkalah ilniah dengan pcnbrbasan nengenai pc4todelD ltufnnan
a
dald
-r,
pemcnngan dan implcne.r,si enkipsi da$ menrp.kan Denak;hn
lc[r'lFl.
'o
r.b,E.,' J
di
Ju.uen
n.,t.,.ddo!,-,rF1l_,
manusia ini, lkan',Lr...
mc,nberikaD krxrib$i d;hn N;ha
bidare ilinu tekni[, d.n sunibcr dar-i
nutu jmlal Alls dNar rcscbur. rcdatsi ireiD mcngucapkrn ban],ak rdirna
'nenhg[aan
kasih kepoda seluruh ncnrln yang tdtar d0r lkah rurur serla dalrn oci; san.litkT rr,n,
M d ,.1, J...r '.,. \.
.\ip,-p.r,1
'r Ldf"
nflrerbiian 1!n! r[and, mne
Akhir k.1{. llodaksi b.{hmp dr
r n.nluJro:j
keDrda
sehrf| rckh EkaD.enut\seni
pc r l,.Fo io.n- .. r"'i \..rt.'r. t..1...ir l-Jr toJ t(r I v-r.
dan l&Dlk Elektro) dard turlt srna trerpanisipasi drlaft u.ohu ;.nr.bn",n ,l,n
pc-.,,,h.1; l'r 1 ..'r
,h.,JL., tr.J,., p,t. .m.hr".1 .- hrJr ...,rg
'
JrnJrri! Selr'r
ndnl,r '.r'
rJlon
PO'I'IiNTIALITY AND DRAWBACK ON THI APPLICATION
OF MAGNIiSIUM AND ITS ALLOY IN ATITOMOITILI' IN'DTJSTRY
Bt:
In,
P:,',
b
I
",
Suknan,
l
'
,''
lrri'l' ''j
Fd'krj
l: '
hr";,.;',,,a..,r
,"""!.",r
nfqik rn d rtun
rc o..",.
".
"
,; "''
":-"..
,i;;
",i;,i;"
:,:
INTRODIJCTION
Tl ,lc d..
or {,, .i I '
l-. ..
,r
h,rJ
,.r.
:. .,.,..r_i..
I
f, ii,,t .i .j
.. , i
in. .L
,r!,
,a
r
o
'd ' d... '.t.,Jl'. t,-.
'C\'r \'-.
-gd..dp
",.,,,.r;,..
o ti,t
p.
.o t(
'. r \F1 i\. ,
Dseofncrdlicmatcnrh
in lilhl$ris|r drnru- on cor.p;.d r,,r,,r
y..,"."";"r,."lp"
r,e.,n.',r \e r '' I
.lrr , r .. ,. ,o q \. ,.r(
.. r. | ..
j,t
,
'".ed
some
' rl rr .(o .
rr., Jto\ ..t,,r,, ,
",., ,",
*i".r
",.*,si
I ..cir
,.,\\er.
..
f, , t. .i.r ";,i.,:,,."j;*i
a.
b.d\ pars M.snsiurn h.s rtr hishsl $Ele,h
oe,ei.fl
[(e
,.f
io.
rlJc .r'
p. ., rrooi..j.p.,rrj rJ r.. I.ier,..
,.-. o,..,d,.1or,.
,!,bI
t..r.,
- "l * "roc,!,. - o..
|
a, , dt e..r ocKr n.- abi. .. r. .ot oer
i-ir .r,pr..rr. 1,..roi I J...J, 8"",i'lJ.sl-?,.:l:..-.'rna3.o'
. \r r..!,,9..a
.J.,,
ngnrtrca.r srrslh olrasrcsiun
.
.l ,.....:
,t.rr._,...
i. a!.fuein{ atir(l09,iper
t9 .'.
r;
h-.,
atunm \r.ndwtde [].6.t51.
r .te.t,.,r,.,ooo
, ,ort
t..,,,1 -fr"-
.
,.,o . . t . , , .,i .
01 pinart imponance. Magncsiuh and ns a oys hare I ririLtr
so.rL corosion .esisi;;
undcr Dorniai a'nbicnl .on.hjon_ bnt il lcnds r. c.;!dc {,ongb,
i. cil.ride. sr|.rle. .aibdur;
and nilrarc containins solL&hs
12,4.5,61.
M CNES]TINI
EI,N]II1NT
tu rri ,.on abnnJrnl nrrlllic cLenr..r (ab.rr I5%)
r.,".-lr,i,.
V ,Jp,.,," .n,,.,Io,,.....,..t
.ioo ,,
,
,,,or,,","i,r!tro.(.).t.1
"i
(M8) is
..Magn$iu'n
.,rr.
',n|
.o{{.bo-r
in
rtre
.n
lllagn€siuD is r lighr silvcqarhilc ndalli. cl.ndnl .l ih. alkiiN c.'1lr \crcs.
occu ng pinciDlll) is,n Crrdlirc (Nlgcl KCl 6llr()). Doldnite (l lec( ) I (l!(lo.). rrd
Maer.sirc (ivlgCOr): uscd ln hghr {.ucrutul.ll.vs. with s}nrbololNle l\,1lgnrsiNn h!s dn
alo.ric.rmber l2 d d.niic qeishl ?.1.111 and \aleDcr- nlnrbcr 2 Thc reLrlrvc dcnsiry 01'
Nlalnesi[nr i\ I 7]3 dnJ mcllin! poiDl on 651_Cr PUN \lagrcsnm harr r cNnrl nnrrtr.
closc packed he\xg.nJ (hqr) (r=l20llJ c= 5 2002) [2.1.]
V.gncsium elemen( rva\ irsr isollrrJ rn ll08 br lho Frglish scienrGr l)al!. blr sds
not untl 1352 tlul llunscr den.nstrdi illr mrgnesnN nrcllL coulJ bc *o[lrd L]\
electroltrisol lnsed mltdrous niagnesnm chlo le, magnesiun beirg rLcascd .l thc crtlmde
and chlorinealrhe anodc.l r c.ll
A Ctrmxn .onpan,v. Chenrische F3h,ik G,iesheinr ELeklrcn (Dos 1o!\! rs
Mig csnnn Elcknon co.), lir$ exploned $e connnercial positrllirics .a lhe electoLytic
frcthod of producrnrn in 1909 Br' dc 1920 s. {l]c cl.ctLol}ti. ptuccss hal b.cn \orle{l our
on an induslrial sc.lc afd rhc netxl bc.rme x\r,l.ble in commdrciJ qrrnrnlcs ro uni! ns
u\e
i\ a {
.rural nulerial.
loda), .r-lnesiunr is bdl ir a Ji\.rc ra.g. ol nydrcrs rnd xtpliclliofi. ea.h one
c\ploilire rhc rii!!c thysic"l rnd nre.hdnicrl Fote ,€s ol the elemenr rrd ils al .rs. \\'orld
F !.ri.n .l nraenesium lolds 41 i.000 tnnes per ammr and rhe figuc s i $cising
aDrulll) !s rbr li!:hN'cilll propcnics ol DalNsnn alloys ar. lscd iocr.nlrngll r de
nulomoti!e ,odu*'l rs i mehr ol red cnrg \veighr. i,1.,tdri.g lnel eficicnct .rd Lcdr.il.!
srecDhols sas onissions. tl5l
MAGN[SIUJlI ALLOYS
'lh. pi..ipal
ncchankD {hi.h magrcsn$.uy $rrnErbcn lllors is precipiulon
Ln!.lves al,niour. conrponnds. MieNsirn alL.!r hxrc born
slrcoglbening, which
deleloped tbr a variely of appLicarions Nherc l.$ dcnsity k in.rd ,nrNnr thu strc.slh
uullt
'lablc L crtlainsrbou{ li!rsallol.omposilio0solcasringma-!nesiLD
Iable l: Allorirrg
eLenrcnts !s.d
The clencnhLconrposnio.s are all g,ven
xlLoys.
nrdicca$nrghdsncsium rll$r.
I Fercentase $cight ( Sl M B 9ll ll.1J
Vogicsiuin alLols are desig.dred ds 6llous [],141
One or lrvo preix lettes. indicatiner]tr lri..inal xlLotnlg eLe enis,
'lM or lrBc nlorells, rndicdnrg lhe percenLr-ge ol thc nriJrcilal allojiog eldoreDn.
ron.ded.ff to tlt rearest dccimal
A Letcroflhe alphabct. cxc.|r ihc lcros land o. indi.arins rhe {i.dardi,cd allo!s. \rirll
dino. \aridtons,n cornposilron.
Thetcmperoflhcmllcrial. nrdica(cdbr tlic sanic synbol\ scd ror Al rllovr
r|. r .\\ AZr)ta n rodir.rcc rtrlr:
th.llir.inxtai|)\rngctcnr.[rrenttrn)irnnjir.!p.rceDr.rorr{ted.ft]and.o.(Zn.t
lrore\aDplc.
nerccr0
Tnc ldttu a. rlE rh,.d
-"'1 :i. .'.'"
.r0 ol
re
i
pl,rb.r. indt.des thdt h rtre ri,nd xtby nrnda
izcd.
..
.
..,
, ,. . ,i..
Tli..llolirc dcDi.d rn. ,6 iIrftrrii!: ol.Nluicju,n
lcn.s
as
lolllnr:
t\/
L,
NIiDo.l.l.
.
IDpurirlcsr
POT[NT]AL|.[\'
nrn! Sr.Zi.L..ftr.rxJ
I o l! \r
,\ ND
Atpt,t(.at)o\
IN
-. .,.'c.
t:
xnots ca. be rti\ ded
, ,,,,.,,,
d ,oV,
do s.erat
.., ,.q
Ltl
.{I1o\roi]tr.I
INDI s_t.Ry
E
i
\,rc,!
I \\!!
.irL
l.r Srlr t?r. \.r!M.!rc\
Thc oorenrixt 01 nl-soe! rnr rtI nr
nrcnsrh r, \c,shrf.ri,,. !o.d cr\ rbjl,ri jnr
trr
!c.errl c Lhc \err high
xs orDlnii.D f,grr. ard
figuc:AlnllN$l7.liJ
1'
fisure
I
AFplicnti0D in
\lachni. pnr.rNecded
duto
rl rdli
nr
\, , Lr
qttor R.
J|\r
u I tr-r
k5
n
0bitr Indu\rn
\4agdesiu,. i nj.reasin!h b.$nrjrr! in ftmcrn,c
aherd&ivc 10 s.et. a rni num. aod
p.llmcr conposir.s ror .A,t.t" n."t,i ,.il!.rid
duc b ir\ ibilnl h ,r.d retri.l,.
perlonrafce r.quntDreoh lhe \.]!ht rclr
cdrns harc hce. oradc pDr\iLrL. bl rbe
oi'
\, h
\