THE EFFECT OF THERMO-MECHANICAL FATIGUE ON MECHANICAL PROPERTIES OF NOT PEENED(NP) AND SHOT PEENED(SP) MATERIALS.
FINAL PROJECT
MATERIAL AND FOR'IING ENGINEERINC
Th€ Effect ofThermo-M€chanical Fatigue on
ivlechanical Properties ofNot Pe€ned (NP) 8nd
Shot Peened (SP) Materials
Alh6h
submitt€d .s
prnid fuliillne.I
ofa req ir€b€.ts {or d€g.€. or
B.cnebrofElgi.eering
By:
ISNIBAR
0r 171004
MtrCHANICAL ENGINf,
ENGTNEERING
f,
RING
IACULTY ANDALAS UNII'f,RSITY
PADANG.2OOT
ABSTRACT
dlwik@ alloj
flas 6e'l for
A}4CH. hs beeh intestisated A se o electtu htdra ic tuchine
I'ading eas apPli'd in
thema-nechani.al faljse tesr' A tAah|ulat thetua-ne'hmkal
of l t)% and 0 75% br d
siaih-conno! beNun ah atulied cchdkical sttuin rtuge
generallr seen that t"
knt datwe @Ae oJ 321523K dtihg $A Mdqctes l was
strui 0 75% me
of NP k 27% hiEhd thdr sP tu rcnse of ne'tnnical
il.
ht;sre
'nitu
'the i,Jltence )INP and SP on duhanical PtuPe ies ql cast
wl,.t h dres aJsP e6 11% hishT than NP natetial ih heagst surldce
gNerd the nicrc-ltck'$ h dness
belore and dJt thmo nechdnhal fatiSuetrend
t
r"o,it" ana lua ,Rogn 4!tu ihe naatiat apptied themo'hechani fatiste
th@ NP datetial beforc
atnost sinilor Ihe saih boundary ofSP w6 fond ftJiM
g@e*a afer il@tutu specine the gain
thema-nechanical iatigre bt Ga *eii g.
oJ dendrite sttuctue
Dfthe hoth tPeci e tc@notheken Onlr aneninc
@
hou/dt,
ond Si
pdticles
can
be
lound
CHAPTER I
INTRODUCTION
Ll.
Blckground of the Research
ol Aluminun all.y hts bec. lound in r vancly ol uses,
espccirlly in lulonobile €nginc dd aircran indusdcs. lhc pnmary rcas.n lirr
using alminun alloy n duc b its chuacterGtics sucb as hieh coiiosion rcsisturcc.
Application
goodworhbilily.
cxce I l€n t mechani ca I
poperiies and
lishl
wcighl.
ol c*t aluminum alloy has greally incEased durine
the par decade in aulonolilc shctr.l .Fplicarions, €specially lor eleuted
The lutonrolile use
ienperarurc appli.alions in order to rcducc wcielt.
'Ilrc casr aluminum alloy tesred vas JIS AC4CH, uhich h
rsd
as 3
nEtcial for nrechanical pans, viere both lishlness in q€ient and $rerydr de
Equned. The al@inun dloy JIS AC,1CH is sinillrnarenal silh ASTM A156.0
Reteal.d cnginc sld-up
cyclic $rains which
de
dd
senenred
shul
dom opedrions subje.r comFnenls lo
bofi thcmally md ncchdicall) Themo
niechanical fatisue (TMF) relers 10 the damaee indu.ed by sinultmcously
alremlting bmpenture and necbanicalloads TMF loadinaoccuu innol exhausl
ol
,uiomobilc e.ginc. l1rc slrcss-stnin resp.ns€s
condni.ns
m
ol mdte..ls under
complex and dcpcnd on phasinC 6et"€en
Tl\,11
$em,l md necheical
o,d. ll.'.nc I el ilrer'i..adorai.ollearomofoif, pL.
'pm\.1c'
'
rcquircd []-31. Themo-mechanical fdisue cycles caus nricro $ruduraL nral$ial
danase to ihe coml)onenLs.
bd
Lrilure. The iinuencc ol F.rosity on thc laligdc propcnics lnr
ben iiv*rigarcd
od
cast aluninum h4
lead ulrinately ro aatieue cack innialion
cdli(
[4] and n is senenlly acccprcd rhai fariguc $engh is
decrescn by lhe pEsene olrorosity hene il will afect laliguc lifc. Advarcd
high temperarurt Jbtiguc lileprcdiction merhodologjes are needed to decidewhen
ro tuphce engine compon.nls. in
r.d'tr. n,lni.i3n....sh
ordf lo increae reliabiln) dd s^ice lile,
rd
1,r,
Objccrivcs of lhc Rcscrch
lhis rc*dch aims lo delemine fali8uc lifc
dd b
Act
gnh boddr4 bl
nsing Callium senin8 in dre sudace by necbaDical slrai. ranCc 0.750i.,{dd aho
lo delemine mechuicll proFenies by mech ical nrain ranae I 0% olmalerial
SPandNPcdlalumi.um alloy.AC4CH.llerthcmo mechanical liriguetesting,
Used maFnal cast
"
/
Mechanical stain
dluninun dlloy. AC4CH
as
rdge is 0?5% lor to
nrlteial
tesled
detemrine
hisue lile
ard
mcchmical$nh mnsc h ] 0% for lo dctcminc nccheical proFtniesol'
NP and SP malerials
r'
1.4,
specimenshdpeiscllinder
Srrudurc of tbe Thcsis
The contcnt of thc $csis arc prcscnlcd in
Chapler
I conbins
Chapter
I
lilcmm rc!i.{ sd the.rr aboll
d
h relalcd malerial
and
objectires ofthe resdch.
lbemro-mcchdical laliCuc which El.red b! this
conlains tesl narerial- pocedures olprcce$ ald equipnent h used.
Chapler4 deal *irh resulN anddhcussions olall Frocess
chafl er
conrposed
backsmund {,rthe researh, objeclives oltbe rcsc&ch. scotcs
ChaFld 2 deals wnh
Tne tncory
fiv. ch,prs
5 conclusion
n prcscntcd.
CHAPTER
5
CONCI,IJSION
Thcmro-drchanicd fariglc resr hd bcen conducled in ordcr ro inrcsiAarc
rhe
fati-.u. lile lnd mechanical popenies ofmatcrial Sl and NP The larigue lite
olrhe loo mareriah *€E obscRed in a mnle ol0.7i% ofDcchdicrl srrrin Thc
Jinding isrhe
.lsP,
tiiguelile olNP in0
7507,olnrechanic.lsrmin was hiChcr rJrs rh3r
cven dough ptoviousicscmh \h.wed opposileresulh whcn
condudcd lor nrecharicalstrain in a rang..a€qurl or srelter1h0n
the l]rigue Iile
nrlesh *er€
1.0%. Holrrcr.
olSP in.ral*d lhour 29%.
Tcnsilc stcngth. 02%
tr{l iFss
and elong.rio. w.rc ob\eded ,nr
nrt'i.lSP dJNP i. a nnge ol I 0%.1mech:nicalstFln. Thc nunbcrolcycles
applicd lo nat$ial dunre $c thcmo-n.chanical litigue tesl cotrelatcd
o rosnely *irh the nress and thc strain ollhc nalerial The incErse.frhc
02% prool {(-ss
rcnsilc tcsts
dd
!) r
sould loltr ir's rhc rensile srreogrh.
'nrterial
clongarion. Ci,mfrrison oftcnsilc rsl rvrs dade be(vee.
ilmb€r dl clcles rmlied
ol natcrial Sl drd
NIi
lhe rcnsile srrei8th ol both NP Md
SP
incEased gnliuf,lly Ltu.ing TNjF
Thdmo nechbic.l Jntigue sould
marfiial sP
tut
lo{$
lhc micro Vickers hanlEss lor
NP. In addnion, rhc number of crcles cofuiburcd atsr in
lowfing rhc micm-vickcs hed.dss .l material. Thc numbcr ol cy.lcs ol
niarerial Sli dd NPcorrcspondcd in rcvcnc with the micrc Vickershadness.
wlrh cunenr merhod in which rhe microsru.ruto ol mardrills obseryed
rsing Cx $etine,lhe gnin b.undr) qere hadll lo b.c sc.r.lt is rccomfrendeJ
ro c\FmJ fic idvcsLig,tun using nrrc rftcise nrerhods nrch as clcctro. crchins.
Baker's liquid erc lhose phenomcr.D altributd t. oleFasins dre lo cods..iDg
REFERENCES
L H. Toda J. Kai.no, T
T Aka\on, M Niinomi
16, (2005), rn
Kobavashi
Mstcdrls
2.
Tiansa.rlons nncimerins socielr1
(Ab S'c ftst Mat-"t) r371'
H. Ild no, S. lwessnr, Y ,\w
'ASTM Spec Te'h PDbl
l.
H. Schiioglu, X. Qing,
4
on ihc
Maye! H, Parrkyria.or M, Zciil B, StdnT'Ltchem SE lnducnce orlorositv
limii ol die ca* h.gnesium 3nd aluninln allovs' Ini J Frrisxc
^na
f
Smith, H. Maier' J E
Nlison Mcirll Mrtc' 1lans
31A
faiiBue
Mavca J.V Lasecki J'E Ailison' DcPl" ot
mierids s.ience and ensineering unilersiiv ofMichigaD USA,200S'
Elbatrn C TEns nbtal Soc^IME 195si215:4?6'
Neq
Rostokc. \q McCaughev JM, Ma.tus H ot'bnltbne'i bv liqujd nei'ls
I X Ztrn. A
Shvam.
JW
Joncs,
H
'tbrkr Rheinhold Pubii l9€0
Mclals socieivi 1930 p. 133
ca (2003) 1035 10'10'
9. nag*tun J, Mi.hir. o.v, Htrbhinson B, sdipta MrtenaLia
Schitosh d., "Urcmo Mschani.ll fatigde Life P ti iciion M cihods. r\dvan'as in
8.
old cr. Metal
Science. The
larigue Liloline Predidiva T.chniques, ]\SAM ST? 1122 M R Nlir'hellrnd lt lV
hndsfrl Eds.. Amancan Socielv 6. Tesiins nnd Mabnah, P[iladclpiia ]992 pt'
l. Mash KJ. ediror Shol peeninsxechnique and applicdions London, LIK: EMAsr
r99l
l2.MillerKJ.MaleiillssciencepcspecrireofnelaltalisueresislmceMalerSci
I
Technol1993:9:451 62
MATERIAL AND FOR'IING ENGINEERINC
Th€ Effect ofThermo-M€chanical Fatigue on
ivlechanical Properties ofNot Pe€ned (NP) 8nd
Shot Peened (SP) Materials
Alh6h
submitt€d .s
prnid fuliillne.I
ofa req ir€b€.ts {or d€g.€. or
B.cnebrofElgi.eering
By:
ISNIBAR
0r 171004
MtrCHANICAL ENGINf,
ENGTNEERING
f,
RING
IACULTY ANDALAS UNII'f,RSITY
PADANG.2OOT
ABSTRACT
dlwik@ alloj
flas 6e'l for
A}4CH. hs beeh intestisated A se o electtu htdra ic tuchine
I'ading eas apPli'd in
thema-nechani.al faljse tesr' A tAah|ulat thetua-ne'hmkal
of l t)% and 0 75% br d
siaih-conno! beNun ah atulied cchdkical sttuin rtuge
generallr seen that t"
knt datwe @Ae oJ 321523K dtihg $A Mdqctes l was
strui 0 75% me
of NP k 27% hiEhd thdr sP tu rcnse of ne'tnnical
il.
ht;sre
'nitu
'the i,Jltence )INP and SP on duhanical PtuPe ies ql cast
wl,.t h dres aJsP e6 11% hishT than NP natetial ih heagst surldce
gNerd the nicrc-ltck'$ h dness
belore and dJt thmo nechdnhal fatiSuetrend
t
r"o,it" ana lua ,Rogn 4!tu ihe naatiat apptied themo'hechani fatiste
th@ NP datetial beforc
atnost sinilor Ihe saih boundary ofSP w6 fond ftJiM
g@e*a afer il@tutu specine the gain
thema-nechanical iatigre bt Ga *eii g.
oJ dendrite sttuctue
Dfthe hoth tPeci e tc@notheken Onlr aneninc
@
hou/dt,
ond Si
pdticles
can
be
lound
CHAPTER I
INTRODUCTION
Ll.
Blckground of the Research
ol Aluminun all.y hts bec. lound in r vancly ol uses,
espccirlly in lulonobile €nginc dd aircran indusdcs. lhc pnmary rcas.n lirr
using alminun alloy n duc b its chuacterGtics sucb as hieh coiiosion rcsisturcc.
Application
goodworhbilily.
cxce I l€n t mechani ca I
poperiies and
lishl
wcighl.
ol c*t aluminum alloy has greally incEased durine
the par decade in aulonolilc shctr.l .Fplicarions, €specially lor eleuted
The lutonrolile use
ienperarurc appli.alions in order to rcducc wcielt.
'Ilrc casr aluminum alloy tesred vas JIS AC4CH, uhich h
rsd
as 3
nEtcial for nrechanical pans, viere both lishlness in q€ient and $rerydr de
Equned. The al@inun dloy JIS AC,1CH is sinillrnarenal silh ASTM A156.0
Reteal.d cnginc sld-up
cyclic $rains which
de
dd
senenred
shul
dom opedrions subje.r comFnenls lo
bofi thcmally md ncchdicall) Themo
niechanical fatisue (TMF) relers 10 the damaee indu.ed by sinultmcously
alremlting bmpenture and necbanicalloads TMF loadinaoccuu innol exhausl
ol
,uiomobilc e.ginc. l1rc slrcss-stnin resp.ns€s
condni.ns
m
ol mdte..ls under
complex and dcpcnd on phasinC 6et"€en
Tl\,11
$em,l md necheical
o,d. ll.'.nc I el ilrer'i..adorai.ollearomofoif, pL.
'pm\.1c'
'
rcquircd []-31. Themo-mechanical fdisue cycles caus nricro $ruduraL nral$ial
danase to ihe coml)onenLs.
bd
Lrilure. The iinuencc ol F.rosity on thc laligdc propcnics lnr
ben iiv*rigarcd
od
cast aluninum h4
lead ulrinately ro aatieue cack innialion
cdli(
[4] and n is senenlly acccprcd rhai fariguc $engh is
decrescn by lhe pEsene olrorosity hene il will afect laliguc lifc. Advarcd
high temperarurt Jbtiguc lileprcdiction merhodologjes are needed to decidewhen
ro tuphce engine compon.nls. in
r.d'tr. n,lni.i3n....sh
ordf lo increae reliabiln) dd s^ice lile,
rd
1,r,
Objccrivcs of lhc Rcscrch
lhis rc*dch aims lo delemine fali8uc lifc
dd b
Act
gnh boddr4 bl
nsing Callium senin8 in dre sudace by necbaDical slrai. ranCc 0.750i.,{dd aho
lo delemine mechuicll proFenies by mech ical nrain ranae I 0% olmalerial
SPandNPcdlalumi.um alloy.AC4CH.llerthcmo mechanical liriguetesting,
Used maFnal cast
"
/
Mechanical stain
dluninun dlloy. AC4CH
as
rdge is 0?5% lor to
nrlteial
tesled
detemrine
hisue lile
ard
mcchmical$nh mnsc h ] 0% for lo dctcminc nccheical proFtniesol'
NP and SP malerials
r'
1.4,
specimenshdpeiscllinder
Srrudurc of tbe Thcsis
The contcnt of thc $csis arc prcscnlcd in
Chapler
I conbins
Chapter
I
lilcmm rc!i.{ sd the.rr aboll
d
h relalcd malerial
and
objectires ofthe resdch.
lbemro-mcchdical laliCuc which El.red b! this
conlains tesl narerial- pocedures olprcce$ ald equipnent h used.
Chapler4 deal *irh resulN anddhcussions olall Frocess
chafl er
conrposed
backsmund {,rthe researh, objeclives oltbe rcsc&ch. scotcs
ChaFld 2 deals wnh
Tne tncory
fiv. ch,prs
5 conclusion
n prcscntcd.
CHAPTER
5
CONCI,IJSION
Thcmro-drchanicd fariglc resr hd bcen conducled in ordcr ro inrcsiAarc
rhe
fati-.u. lile lnd mechanical popenies ofmatcrial Sl and NP The larigue lite
olrhe loo mareriah *€E obscRed in a mnle ol0.7i% ofDcchdicrl srrrin Thc
Jinding isrhe
.lsP,
tiiguelile olNP in0
7507,olnrechanic.lsrmin was hiChcr rJrs rh3r
cven dough ptoviousicscmh \h.wed opposileresulh whcn
condudcd lor nrecharicalstrain in a rang..a€qurl or srelter1h0n
the l]rigue Iile
nrlesh *er€
1.0%. Holrrcr.
olSP in.ral*d lhour 29%.
Tcnsilc stcngth. 02%
tr{l iFss
and elong.rio. w.rc ob\eded ,nr
nrt'i.lSP dJNP i. a nnge ol I 0%.1mech:nicalstFln. Thc nunbcrolcycles
applicd lo nat$ial dunre $c thcmo-n.chanical litigue tesl cotrelatcd
o rosnely *irh the nress and thc strain ollhc nalerial The incErse.frhc
02% prool {(-ss
rcnsilc tcsts
dd
!) r
sould loltr ir's rhc rensile srreogrh.
'nrterial
clongarion. Ci,mfrrison oftcnsilc rsl rvrs dade be(vee.
ilmb€r dl clcles rmlied
ol natcrial Sl drd
NIi
lhe rcnsile srrei8th ol both NP Md
SP
incEased gnliuf,lly Ltu.ing TNjF
Thdmo nechbic.l Jntigue sould
marfiial sP
tut
lo{$
lhc micro Vickers hanlEss lor
NP. In addnion, rhc number of crcles cofuiburcd atsr in
lowfing rhc micm-vickcs hed.dss .l material. Thc numbcr ol cy.lcs ol
niarerial Sli dd NPcorrcspondcd in rcvcnc with the micrc Vickershadness.
wlrh cunenr merhod in which rhe microsru.ruto ol mardrills obseryed
rsing Cx $etine,lhe gnin b.undr) qere hadll lo b.c sc.r.lt is rccomfrendeJ
ro c\FmJ fic idvcsLig,tun using nrrc rftcise nrerhods nrch as clcctro. crchins.
Baker's liquid erc lhose phenomcr.D altributd t. oleFasins dre lo cods..iDg
REFERENCES
L H. Toda J. Kai.no, T
T Aka\on, M Niinomi
16, (2005), rn
Kobavashi
Mstcdrls
2.
Tiansa.rlons nncimerins socielr1
(Ab S'c ftst Mat-"t) r371'
H. Ild no, S. lwessnr, Y ,\w
'ASTM Spec Te'h PDbl
l.
H. Schiioglu, X. Qing,
4
on ihc
Maye! H, Parrkyria.or M, Zciil B, StdnT'Ltchem SE lnducnce orlorositv
limii ol die ca* h.gnesium 3nd aluninln allovs' Ini J Frrisxc
^na
f
Smith, H. Maier' J E
Nlison Mcirll Mrtc' 1lans
31A
faiiBue
Mavca J.V Lasecki J'E Ailison' DcPl" ot
mierids s.ience and ensineering unilersiiv ofMichigaD USA,200S'
Elbatrn C TEns nbtal Soc^IME 195si215:4?6'
Neq
Rostokc. \q McCaughev JM, Ma.tus H ot'bnltbne'i bv liqujd nei'ls
I X Ztrn. A
Shvam.
JW
Joncs,
H
'tbrkr Rheinhold Pubii l9€0
Mclals socieivi 1930 p. 133
ca (2003) 1035 10'10'
9. nag*tun J, Mi.hir. o.v, Htrbhinson B, sdipta MrtenaLia
Schitosh d., "Urcmo Mschani.ll fatigde Life P ti iciion M cihods. r\dvan'as in
8.
old cr. Metal
Science. The
larigue Liloline Predidiva T.chniques, ]\SAM ST? 1122 M R Nlir'hellrnd lt lV
hndsfrl Eds.. Amancan Socielv 6. Tesiins nnd Mabnah, P[iladclpiia ]992 pt'
l. Mash KJ. ediror Shol peeninsxechnique and applicdions London, LIK: EMAsr
r99l
l2.MillerKJ.MaleiillssciencepcspecrireofnelaltalisueresislmceMalerSci
I
Technol1993:9:451 62