Comparison Vickers hardness of Welding Aluminium MG 5083 with Welder for Metal Inert gas (MIG) and Tungsten Inert Gas (TIG).

?;19!:E!!'19!!

2012

ii.

ql

;

.!+,

,

:lt;

PROCEEDN{GS

2"'r

inleurational

Colfcr

enc,:

orr

SLrstrinlrblc

Technology

Dcvclor)rlcltl

(ratsTD)

'

D,

tcl,

1'tt,p

Su.rtttinahi,

lr.11.1.

tneI

.for

A llctter

Futut

c

Bati.

October 31''

201?

I

I

PP.OCEEDINCS

2'r

lnremarional C.nfercDcc on

Su nanrabl e TecluoloAy Deve l.pnr c D r

- _{De te lopi ti}

e S t6 t o i n ab I

e

7 e c h t

n

to

gt

/brlRenerF tut.

B:ti, Ocrob€r115,,2ntl

scicntific connnree:

rr,ol r

..v"rrr

Ren.ni(uday?na un,veFiry lndoss,r)

Por. sa!,qh (Pcidetrorwodd Renevable En.r$,)

I'nf. I)rl Kue Choi _{lchonbuk NarioMl Unrvc6n),,} Sou$

(ora)

l,rf

tsudhiro

IndBatu(Uriviv6iry

of wolrongons, AunEtia) frof. ,ae Klm Lin (Chonbuk N.ridal

Unimnr

Soull) Kora)

o'o' _{tr r R rihud r Hurch- Un:v6try ot s4ene}

,rc

_{I 6}

\-

_.tvey.

.hmj

Pof MonkserDewidar(s.urhvatlcy Univ€6ny, Ecypr)

Pror _{lcxandc.Cufiben0Jni!6iryoaNe* souh wat6, AdjRtia)}

Parf TJokGd. Tina Nindhia (Ud,yana UniEsny, lndonera)

Pnf

r M .dc Ab I Karyawan

s

(udayana

unilm

n,, Indones ia ₎

P'oa I

l\

Gdantari (Uday,m Uni16iry, I'rlons'a)

trr vu Cons

Hc

(Ho chi Mirh Ciry Univ$iry of _l c.hnology. Vidnan)

Dr (' A

M

Sudik(Uday,n, Unilcniry. tMon.:ia)

rt

tr

.jcde AJi:nim (Udayd _{Unn rsny,bd.icsia)}

Or

Dll

l,ryanrlEW.(Uday,n.Unilccirx

rdon6ii)

Dr rK

(i

Dharn'r Pnrn (LJdayana _Ljmvtr\iry.

tr

_oncsr)

Publish.dby,

Uday:nr Umvdary PE-5'

N{ECtl,l^_lCAl, ENCINIiERINC

N4 0r

MO?

(ID I

(Dt

(ID I

Ml3

oD

rll)

fuzzy

PID

ltrrio

(

(rn'fllo ot An

Elrcrni

\tlrtr,,

rn.,t

oJ)

Conri

ounr- vJ'irhlf

liansmissor

tar

\trrnjrii\.

^mlrcariitr,

'Ihe _{lariaron ol6ltulc ntrnrbcr rnd ihe}

tuhti.ral

ol'.rr.r

_n,

rr

09)

rarious wnd occurr.nc.

(iiiriburi.N

of tlrc clcan antl

r1i.\xl.1.

\dd po*crmichmc.

...

...

fF,..,p!,f

hr'

\' i'..t\pont'ol.r\

M.l

l

Mll

(lD I

ll)

/-

arD

l]si

M

10

Psrom;n{.oaReiarniv€rtit!-tTtoe'sDc"lturikt\'nnE+

ilrr

I'nl

frnn'

(reet.i,p,

\rd

Pcrfonnatue

olD'ir!r,l

Cu(nrg

lbol

20)

Srai'ncssSrcel aoDf.r idd Alumirium

id

'l': Iul

i,

-

1,

!. ,'

Tnnc Studr

.\ml\:rr

.l

I-ooJ

SeNic.\

Using

iUjr,

\Tr!trrt

aoDfaiis.i

vi.l.:r

H.,,dr.\!

ofwelding AluNnrLr: I

\tC

ifl

wilh weldrn

tf.

Nl.r.l

Lt(

Cas

(Mlc)

Jnd

lungnrf

tDeLr

Cr\

tTlG)

..

M

12

A Creen Manufidurins Proccss For Smrtt

vcrliclt

,\\n \riid

IrD

la')

Iu'binc

blode

..

Sludy

Plr)siqlrdd

Mc.fianical

Propd,€

of vcAdat

Md.r

r

or

o'rpo.ire !tu,

r

M16

CFDas AidiDE

ltrlro

lr.dr.l

_{Airflowrnd ThcnnrtpolnnfrDre}

(lDl5a) of

tsuilr]rngs.

CJr

SruJy:

Airllow

Paller

.n1] th.nrr

Perrnmaice

ir

Classnr.r. I IDivc6iry

otArDrliy!

_NI8J

!l l7

Eltur

.l

chenr.rl

rcihnc.b on

rhe

r.nllc n,ri, tr

.Ltrl

,lL ,. rl..'1bl'

'.,rt t1 rt '.rr{"("-,.

. \

11

lS

lne

Ass.nbltrrs I'r\cnigdi(ni

ofTlrr*

wtre(l\

B,.\rtr

tjr!

lJ

th.\t,.L,

F \'.dr\\

\t

tol

M

l9

r.nsllf

A

d lnrp&r

sr$slh.t

B3nlboo Frbo ltej

rl,trlfJ

I

I \\

M 0r (tD t25)

COIIIPARISON

VICKllllS

IIARDNDSS

Of

WnLDIh_G

ALUlllINlfli\'l-MG

5083 WI'I'II WELDED FOR METAL

IN'RTCAS(NIIG)

ANDI'TJNGSTEN

INERTCAS(TI(D

ICus(iNg!r.[A'n0trar.Tjoko'.licde li'laNindhia].lMadeNidiy.n.l

Abnmd:

wirh

nany developne.t bcins done

in

lems

ol

weldins lshnology.

wclding Gchnology {eldins

.luninud

is pan of thar requnes precision and skill Aluminuir and rlu.rinun alloys, inclnding lidltweighr

det.l

thar

hs,

hiell stEnEh,

Fsishnr

ro

corosion

dd

is

a fairly

good elecGcal conductor welding

is

atr

irdispensablc pa'1oflhe groMh

oflhe

indusrry incesed,

bduse

the nrain rolc in

enginccrin3 and

Epa; ot

neral poduclion. So

ir

rakes

a

research orienred and

scieDiinc $o& ro imFov€$e quahyofweldedjoinb lbmarion hish efiiciency,

lov

cod. energy salinss rnd €nersy sali.ss as

Fssible

Ihis $ud)

uses-llc

\relding (rlDgsrcn

in.n

gas) and MIC weldinc (M€r.l lnen

Od).

Nelding

of

ihe resulLs

bctw€etr ihc

t*o

dinecnr $eld

ndd

hardnes is aho obrainrd diflerent. spccinrens

usd in lhis nudy is .luninum Ms 508:i plat witn a dickn.ss of

rmn.

K.y Nords: weidins,

brd.6s,aluninuh

Mg508l

I.INTRODUCTION

wirh

d&y

developm€nr

b.ing

done

in lems

ol

weldiq

l(bnoloBy,

weldi.g

t€cnnolder *cldins

alunirrn

is p.n of lhal rcquircs pNision and skill. Aluninum

and aluninun alloys, imludine lighrweiShr

h€l'l

lhal has a hieh sEnedr. Esislant lo comsion md

i

a fanly _s@d elecdctl conducror. ?\lun .um has good duclilily in

cold cond'rnrns and have hish corcsion

*sisc.cc.

welding aluminuh

n

onc of lhe

eraarine rechniquc to nch some nelals in rhe paanr

ncbl

and fillcr mcral snh or

sirliour

preisLr..nd

wi$

or *irhout metal €nhancei and produces a conlinuous

connecrion

ofrhnnnun

can also be connected lvnh th€

$

called high specd wcldin8

rnd srn weded jojnts produced a prclly good. Wirb manyd€relopmenr beingdone in

remrs

ol$eldi.a

rechnolosy,

Elding

tchnology velding aluminun is p,n of thar

rcqunes pr€cisioD and skill. Aluninum and aluminun alloys. incLlding lighrveighr

nreral thxr lrN a high nrengh,

icsGbr

lo

oiiosion

and

k

a iairly good electrical

conlucro. ,\lunridunr

hd

good ducrilny in cold conditions

.id

halc hi-.h comsion re\isr.oce

Whil.

{he

Dchl

,s rypic,lly used,s elemena

ol

rlu'nmunr allols are:

coprcr(Cu).silLcon (si).niasnesium (Ms), manganese(Nlt. zinc (Zn).

mn(Fe)..nd

so

fdn,

Tb. addnnr olcoppti ro alumrnum elemens ro Inm ch.nricd compounds,

so lhar rlrd

d,(hrrrrl

nrcngrh

\ill

increGe. lhc conposnion

oi$r

rl0DriNn allo]

can

b. \lricJ

ii

r.cordanc.

trilh

rhe required

tol€nies

on

Ih.

xtplic.rjon

of

a

for c\anrtlc the nt.d

dla

coDnrucrion mlrerial

lirr.ndxli

and

crli.e

componenrs

\

uminum

hJ r

o

b,.'

J..eoped

$ rlrr rr

'

erJtt,.

JLm

,.,

\!t.i

bJildins

i

teryir rfotun' rou

'da

rJ'.J in er.Jrer derdr' n

'tr

n,c,

n

prd

lnro r Jnd

pL?

r

ol

Li r.'J.\.

od4enil

't-ra.oot

\,.e.d,d,r.-d

Ln'rlm

qe.dtr'. 1 trs

j,

1

l't'r

ru

I'c.h@, r tU' rn t

vp,

r

r.,,,.,Ili,ii

2,THDORY

alrmrnum

n

a lg\r$e.shr _{Terdl hd, emd}

.uro

ron rc.n'Jnc".,nJ

jo d

.rlbi

coldu.dvny

&d

orher prcpenie, tu

'h.

pmpenres ot borh

mekt,

t1 aJd ron

;-m6hd(al

sknsrh

i.

_SRarly

'nc'eaed

b)

rhe add'lion ot ( u.

vs.

n, Mr

.l;

dc , indnidualb or oge'le'. g:!'ng

rle

_sood pdpenres such

6..*.,"",..,.,,

l@!resisrsre.lor

(o"ir,c'enr _{or erp"tuion andsoon.}

thFm

eriJtI

\-r)tr(

use nor onty tor hoGehold applieces bd

at$

tbe nDreial us.a ro.

rt" pu.pos,

diRrcfr..d...h'p..

@n.rru,rio'

mo

o'odh

Fhh.n'.

_-..2

o'

aor.;,,e,r

alun num

ha

.

punty

of

up

b

99 96%

od

a

ijnimum ot

gel"

tenqo;

sul.nr.r 6fdc

clcnenrs Fc _-nd

j.

Ium.nJmJ.to).hJlcJ\,a..,,

.

io..

'he .ontmt oamcjo. el.henF

rmlrol

an,l

mino'

trOio'

.t"-...

-,

r,

", vc

r,rni

Zn.

Cu.ad

Si

$h€F6nr,or

(lemenrssuch

a\.'

.c.

Pb Ae,Ie. sn

/, I

b

mi

oLheF. A lloyine ele menK

'

n aluminm majorrnLlude:

L Coppd (Cn),

incree

_strensrh

sd

_{hardness. but lower etonsarion (he tcnlrh}

pull.d'

Aluh'FUm ronrenr orr

u

n

'he mo{

opr'r,ti.

brN+n L

oo

-2. 3.

Zinc

ortnc

(zn),

incres

erensile valu€.

Mmeee*

(Mn),

iicisc

sbgrh

in hish remperarure.

Mrgd€iu

(Mg),

alminnn

pow€r

Ei$

dd

_{lower lhe vatw}

of

_{ns ducrjlity.}

comsion

6inec€

&d wrdabiliry

m

ale

g@d.

silicon (Si),ledine ro

ince&d haidncsof:lunnrn

_alo]s.

B6ed on the dendnion of Deurche lndustn€ NorDen (DtN) welding is r

m.r.

uqicrt

bond

!t

tic junction _{of mdal} or heral alloy is cadied our in a notlen o. tiquid jaL.

This

denniftn

€n

b€ funnd chbordred rhar rhc weld is

$e

tcat

coMecbo.

ori

meral

od.

_In lhe

nO

welding p@edures have b€€r desisned in accordancc rviri

AwS,

ils slanddds of qlalfuy re$ed wnh a

lziely

oa €srins borh

lh.

NDt

(Non

Destrucdf'fso md the m€chanical

rei

rcsull. as evidenced by a qMtiricari.n c.u.d

lhe quarificarion

pceduE.

Inplemcnbrn,n

ofdeq!.ljficatiois

tr

_{by Ljin!} dFm.l

cncrgy. ASME srandard

lX

secr. Weldin! ofrhe mosl popular _in IndoDesi( nanrly,

cl.cti.

,lane

dc

wclding \ynh

(sNt\w),

in

somc indunn€s nDr

b!

rdrDc.d

r€chnolosy. have

bee

using rhis qpc olwetdil]s Ttc_

Mtc

_{and etecric r.!i$nca}

seld (ERw).

a

\eths,<r'imerscd irc

n€ldinsts^wj

2

l

The Tunssrer lnen Gosdc treldins (1tG)

welding Nas

fiN

di$overed nr rbe Lrs^ (19,10J. _o.iginar€d

lioh

_{re \.L.hng rlloF}

lor

rlrc

.rrcbfi

body

Pnnciplc

It.

hcdl

ot

$e

arc

ecured

bco\.en

trrg{.i

-l-."derdpd,1r

nlra

s'l

n,

'rn.na.tJ.ltLLe

aruns{.nct".r.,d.,

ol

n " lJed rnEredrenr

l-le.t'.

J',

-

..

rr'dn4.(tret-c'rcd€.p"nd11

h_-

1{

_Jl

is a heal

eurcq

for $clding

fld.tid

nl

equiDpcd

rnh.

cerdnric nozTte ro

p'!dr

MT'

2.5

ll

rhcdrd\crsrrclectneeas\tlding

ranoDrrheoursidearnEri,Dcor\etdin! _Mosr

ot

rh.:

ded

n$rc'dt

r

Led

wirtF r

r

nrn.o,.

e etc.rrcde

qhr.1.,

r,o'.cd Jnd

brcusht

b

rhe

m

berwn

tunastcn clcc&ode

ba*

nrarerirt rjsed as a pmr{rive las

sdcn .s argon in n

s6.

hehm or

I

mirxtrc ol _{bodr ea*-s} is rhal irs

us

deFDds;n

lhe

'ype

ol

nreral ro

b.

wetdod TtC rvetdnrg rod

h

lsua y cootcd *,ith lcss

var$

Fisor€ 2 I The cas Tunssten Atc weldins(CTAV) AFSA.2004.

2 5 _{The Focess or} Neldins M€bl In d Ca (MIC)

As wirh

Ilc

weldins. MIC weldi.s is

als

$e

_{heal sen€Ered} by an eleckic arc

berw&n rso elecrrcns and rn€

be

nal€dal. Elechd€ n a wiE coil which noves in rnc fom ol rolleB aEdged by rhe conpl€ _{se&-d;een €t.cftic} motor. Movoenr can

be adjuskd

d

necesy.

'trtc _{shdl is equipped wirh a nozle weld}

nekt

_ro

comd

rhc protectire

96

is supplied _{Gom the sas bonl€ rhougn the}

g6

_{hose CO2}

s$

_is

tred ao. veldins

nild n

.l

6d

_{st€el. Argo. cr a Dixrue of arso.}

rd

helim

_for

wld

aluninun and

sdnl6

stel. MIC weldinc

pr@s

@

be seni autonalic or autmalic. S€mi-auronaiic

wldins

mat

ndually,

white lhe auromztic wctdinS is

eri€d

our ehlnely auronalic. The eletuodes exir ihbugh the sctks roseth€r wirih

,

,:igure2

I

Theprocessolgdneratarcwetdinc(CrlrAw)

^FSA_

Hddness r.sr

k

one res

loi

ro deremine rbe naruE tud

sr.nllh

oaa res is

urd

lo dm

lU n

u

\hle|

k.'

q

haload

otI kr

Hrdre.

r'a,r.,c

rdhod

_rn

accordaDce lo

.\ST\l

scndads (E 92-82, 2003),

vicke*

h3.dtress .ufrber can b€

detenni,rcd

by

E lollowirg equarioh:

MIG

ri,

s4

DT

(No

Vi.ier!

re{iot. !J,, hc \<en

'

F!ud

FiguE2l llctrii.,plcolV,ckerslesr(ASlME92

Sl.llir)jr

Re*arch model willbc u$dlo co ndRt e \p€rinrenlal

resarn

srudies dircdlJ

r{ing

lo

det€mine ln€ efect md causc

dd

ellecl

of

rhe setdi.B process

!o

rtrl

rh€

haldn€s values obrai.ed fron rhe nti6 of:luminunrMg _{5081afier rvcld.d}

srh

_Ttc

weldins md MIC s€lding.

I

Alurinum

Ms

5081

wil[

dnncnsions 150\40x]

nn

Al

N.1!

illsr

trdh the

composirion: 91.I % ?\1.0.1% S,.0.,1%

fe.0.l%

_Cu 0 4% l\tn..l

!,;

\tr.lr lj%

Cr.(),2i%2n0.

15%Ti.005.rherelemcnrs

2 El{lqlcs

uscd in this nudy,s lhe composilion

olrh.

_ER Si. 0.1% Cu. I 0% Vn, 5 5% N1g. 015% Cr. 0 - 15% Zr.

lquipnEor

u*d

in rhis

nldr

rrc:

Welding nachine TlG (Tlnsslcn I'i.n

ca)

rnd

tttG

rctdin!

I cnsilc r.sting mrchinc

il

5l

lr

WeldiDg

pr..s\

ol\.ld

\ilh

NllC

5it6

is us.d

\

rr a d'rnertr of I

l

rype2

5mndla

rcrcrEri

5li6

I 4

lh.rcsult\.lthe

*.kl;"

the prre.r

nrra

$.d

srs

I

nnn r[ick alunrnlum plare

\irh

I

\jddr

ot

11) turL

terr

_I

of_rc,

Tl(.r.o1d:l'1r

.u

roJh

\elded..

rhe

br r,,r.,o\

.t-,1..,.,

.,

or or

^ ..dc,

d

m\non

n.{dhl,hed .

m

)'r

_{tor pere}

nr,o,i,he {..

I

r

.,,

of

scld.re

. , qc _{ser a}

eooJ

_{d pencd}

I'cJre

I

tJnJ:..

...rrr...r,

{ t.

lhrrn,lrrot

rhe ueldligpocess iscur!ros$\

!.

irc rhe ptcru,t

sclJn,!

\

_{h brn i1,i'n}

r.rraljoD

fledrdt

_Ftt

nnn Ior

llai

qcldi'r!

rlcqEd.r

_useLt

r..

_rtso

dr

Figuc

LI

TheTIc weldinr

licr.. j

I

(' o.s secrion

\reldir!,.srhs

I

o"c

I

rlrd', c dr.'.r

r.4trour'.rgr.slonq\e'tc't.'r I J' r4

cr.ss secrion.l Nelded _tieces {erc rhen r6ted wilhlhe

rc$

rtu

vick.r

h.rdn6

(Filure

3l)

lesring of nicm Vicke^ h:rdness resl ohaiNd wirh rhe re! (sutrs

6

recorded

inTlbls:l

1

uniill:ll

$e tullo*inglable:

Table:l I Res;oml Hadness tlAZ

Ls

TIC 30/\

MT

\tral

-€/

I shors dre r.s!

tsrn

)\]tr.s.

'

rh€llAl

ro Ncld

*nh

1221+32.73+35.4)

2

i

j

Tablc 1.2 Rceional Hardn.ssllAz L.sTIG

ioA

Table 1.2 shows $e

6ults

hardn€ss on the filler fot TIC qelding wilh *eldine l(r

AmFrc vilb lnc avme.

foe

n:

Tablc 3.1 R.sional Haidress

t24

I

Tdble

I

I

shors lhc icsul$ of hardncss on rlF charBf for TIC selditrg _sirlr

50

Amp€reurh

reavcmge lorcc is:

= 35.8?

rabE

]a

Re8ional llardness HAZ Las TIC 50A

HV

I

&

Iabl.3.4 sbows rhc raults nddnFs on lhe

nlbr

for TIC welding wilh *eldins Ahpcrc Pitb ih. av.dge lorce is:

6928+70.2!+64la

3

Table 3.5 Regional ltrdness HAZ L6 TIC 70A

M

Table

I

s shovs the Fsulls ol hardness on rhe charger lor

Tl(l

s€lding

\nh

*elding

'70 _{Ampei€ vnh rhe lvemse foree is:}

= 36,A2

Table

I6

R€Ei"nzl Ilardncss

Tablc 1.6 shoss $c .esults hardness on the fill€r fo. TIC wetnrg u nh $eldins ?0

Amperc

rith

the areage fo*c is:

EV=-=59.60

3

on

Lhe.h,rs{

torMlC

$cldi

g wtrh wetdh8

3

'rable

I

_{3 RegionalHirdncss}

Tablc

I

8 shows thc

rsul$

har,l .ss on the

fillerlorMlG

w€ldinewnh weldnrei0

Amp€€virh rhe averaqe nnr. is

15.22+10.21i72.12

3

'Iablc _{1.9 Rqionalllardness}

llAr

_{l-rs MIC 504}

\

\'I

lN.

-! 50?

Ll

I

lrr

i{eS, nJlHr Lln!,-

H\Z

Lrs MICi i.:)

\

Table

I

l0sh.Bs1ht..ruhsh.rdtrcsson rhc Iillcr Ior NllG

\.lding

*jrhu€l.hnq 50

Arnp.rc wnh r[c trr.mge

ircr

is

I

r\

VIC

i8

*F!.

..Fd/

li

l

Tlb!e

I9

sh.ws rhe

'tsul$ olhardDess or rhe ch.rA$ for

illl(;

\!elding !virh weldnrS

50 Amper€ virh rhe rvera-qc forc. is:

3593+ 16.11+ 35 35

6dghe

m

inrhab

e rednoroe o@bp;enr

2 H^Z

s

_0.212

-:'

02i5

_11.41

t0.t9

HAZ 0.245 0 249 0.241

3t.tI+

3343+30.39

Table

I

I

2

Resonal Hardne$ HAZ _LJ\ 1\l lC 704

llv

l

ffir

ECT

Tablc

I

l2 shows lhe resuhs hardnes on rhe _tillcr tor MtC s€tding wnh *eldins 70

Anperc wnh the avcmg€ lorce isl

Iable

I

ll

Bae nretal H.rdnes!

rabb

l.ll

shows

rte

Esulrs

of

hard.es on

\rlding

70 Amp€re qnb $e average foee is:

aN;

I

v""rT

phe

rhe chdeer lor MrC

r.tCh8

!i

M

t

t

n.rrl

hdrd..ss

\virhh l!cu,r.

[idness rcsrhs

945

rt

17 + 10.41

H(= ----

-e.13

TalEl L l5

Avme.

Vicles Hardnes

Vit[

fie €rer

.d''bmr'"n _{uqd in}

rheMi(nvnte'"r3nbe

irn

rriuuFt.lT.

FisuE

l5

Czlibrrsi d = 0

0j0t

'nni Mrqtrified400y

^s

r

rcacr€nce lbr calculados

$e

Lasgtd

lt!a:

ol

rvl,.r.

vickcB

re{

resulrs

Lrd

tor

ehhr:lion with d 0.0505

nn

(Fi$re 1.5) sirh

r

pressure dccrease conpularioD tnne by

ll

seconds. Ay

n.kine

thc diiance spccilicd tcn

t.inb

hken rhe resr rhree rinres on each ited

- RI]S U LTS ,\ND DISCUSSION

\licro

Hard css iesl resul8

ol

vickeF leen

tld

rhr

hnldncss

ol

$e

mehl

filler

mdd

lncFrsed dN to.hmees in neial nrucrurc cruscd [y rlErnralcliidr olwelding

i.

$hich rhe

nricrosrructure of rhc

nebl

will

becom€ moE righrll

e

$ar the

nebl

chatrees

i$

nartE

.vi.kux

rlr'ilms{ \\ nh tir. e\er

I

166',1

70/\ HAZ

l0A fill.r

coN(L

Itv,t8.i

MIC

s

r\sTM.- 21

es hard Fom ribles

r:ll

\isibtc

rlt

1.luc hardress lronr bdsc Detal

\ho

or ver

|6 hear

b.

obFiDed v.luc $trilc€ hard.es amountina

lo

Hv

978

sh'rcin

tbn

is will etevatd in cgions

llAZ

and rhen ilic nraxinun ils value on _'rcas lhal aE

NCLUSTON

'dinp _{rcsul$ ofwelding tials} vickers hardness obllined

wldio! hddn

$an TIG $elding lvnh rhe h.rdness MIC

rcsulrs oa €sca(h ard $udv in rhis te$aEh lecluF Ahminum:Mg 5081

TIC weldine and MIG welding $e aurhor dnss sone con'hrionr rclared

fiV48jt.

by hed $€ldins ar

lvllc

\eunrs

TIG $elding

llIG

teldi.eTlG l

2

nn

vhile th€

I5

nrnr'

virh nsins value of hardtess thcn n _{rrcpenics of} mdat becone more

d.gEde;e slensrh tensile lron Aluninum lvtg

50lr'

REFERENCES

..2003

Annuot

sooi

of

tsTM

t,nzl,,dt

Sccrion 3. Volume 0101,

pp

234_2rs.

A.2OO4me VeLlinsofAlu'ninl,r,I//{,

&

G Fustoa

sorim

Africa

,H

B. 1994.

Modq,

weLlina

fe.hn.to$.

^

simon &

S.hut

r Companv

I

C@rse

F

vrnder

von.

2W

Jtedtntr

oflJ

Mirtunt crlr€t

vol"me

9 ot $e

_"ISM

1

tad6o,&,

ASM lnkndional

ItiDnick. wirliam

H

(1996).

and

11tt3!rh

1'.

wtllins

Handbool.

Ii&t !!4'

!lll!.s!:

Goodheart - willcox ConrpanY

ld,

C*io

aary",. l9'8

Opt"tj.h"n

ol

tvel.ling Technoloqt

Ior

User.

va\$a

Ptrncaltsrri.lak

n..

\h"n!,

lo'l /rr,LFr

11,

t!/,'r' / : -

lr'n(l d I

ip'r'

I

+'ni

SNl0i-07r9 1989.

M,trzlti.l.,J

bchun t) m93

,n\a)

JenAan t9 N _'aru

4i

teras

l/1".rr'ro H

aoA.T.Ina\

4 r'

-\' " / ""' lldn$'

JaLJtu

resulG ol hardDess re$ lor MIC

Hv52.3l and tie hddNss TIG