Nama

NIM

Kelompok

Anggota (NIM)

Tanggal Praktikum

Tanggal Penyerahan Laporan

Nama Asisten (NIM)

Laporan Praktikum

Laboratorium Teknik Material

Modul B Uji Keras

Oleh:

Marisa Hirary

1371 r028

7

- AndraAdetia

- HendyAuliaP

- M. Fadhil Pradana

- Evan Kumia

( 13710055 )(1371 1016)

( 13711038 )( 137t1046 )

: 12 April2013

: 18 April2013

: Ageng W. ( 13708035)

Laboratorium Teknik Metalurgi dan Teknik Material

Program Studi Teknik Material

Fakultas Teknik Mesin dan Dirgantara

Institut Teknologi Bandung

20t3

6Ab 1PNDAHUtU4N/

Loto. belalrnnaSotrt,r U"-eqat nrekanil davi matg,iq\ alalah !e!-eragan. [eker.san MW,t

Atdefini*lcan fuqo; ketal'rarun tr,rahr,r vraqtqrbl ffieg deqovwa*i. Ke\enun'yrydafd diarlikavr qtfuEr; kthhavraq wrafrrial tu*vfap yn&ancut.leryujr-rnVe\p,rago,n we,w4lan yr/l?ujr"r Wg @|+. Me\atrr, yqi;ian k {,sas,r,auq* diLotahd gdvnbaran ux4tll,4 menge,nou' rifLt wtatr.r'ic,\.?flgelcnrpknnta\et a{aug,r,nr 96ar9 daflt d,r}e{trAkav\ A*OW $ tens

HaCl lurg\,,)iq1 kekerro" o^krp vat,d tualaupun fflgqnnfuqudtahuhvr pda er,rniu hhL a{ru daq,ruh tgrta,{^h/ ny,.?Aylralr hltrraso.,,rjvgo ilagat- d^Tqdrlravr c^ay yrts|ude daloun yrngnerhukor,r (nolavu; (tIa1,t?whftq datr ?trtal{an dingin \ada hnqte}iol. ?arubahalr V.elcuqfn4 wrats/h\aLibat lff\q\nan ?anar 4tau dingrvr Ml* di befahui dan" yonqr;irtu kte-Fruan wrateda\ Eebeluw' dqn gecnfoh di tceatrmc,rt.

Prng"jm Lql;uaeo'a Rhht ccdcd,\amn dar ryrmh \.dar. ptrtu WVnuKrusus pdo sgeri,rnen Mn p,Ctqr*rny felaVpwrurah.tla$,1 Gek) frqqnnnyiuga nelafif tQdl Aru\ tifuL r'vren,elc atau nnenje,bqbkai gadvrre. fe\ain it,davr l,"nl Foq4ian k'l*w6hn )fr M&l'l &huburyk*r, Aeryvt {-p,rrs:;\efo*gtt mqtoha\.

fulu^ ?uohant. Mensntu[an kekerngan tresrcile.n Wqa Vartorr rendob, lnga larfuw tinqcai ,

dan 4\urnirx.a6.z. t^sne$hukan vnshde Een$q144 Vglefd4^1 Li^dqtas,) qli RocLuel\, hrinnel,dart

Vidqn

sA6 [. Teog DAs+R.

kehqasarr awa vlnux, a.rttrflnid[an e&ry; ke{ahana, lgrhada?drprwrari d,ou t^mldk Q"^ ^dahh ldal464M/\ Ufw,d^f dqornnari gtastr'r.Depnid kel,ernga{ Lr,innP adal6fo

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4) Ke{oh*an t"qhad^? Wl*^ l"ibarlah hban fta$h alru dinav'ril.b) tvre,qi gcalrg dkeaq [+h[a dnhs* tcbarr lrngok4 ke{-aho".aaq ie.ludap ptyorwni) llehahanan tcnhada.q oLnru.e) lrg{nharan trr}*do,? pLnofuoytvt &an prgebcrarr

Pecbpdacrn Whenv't dan kckuoF,zn terlehL pda dae(t^\ ftrrgujfan.Pada F rgVfi* keltemEa^n etitallUn pAa fitih -hhL ttrtehlu q^ Yj d''awgnj.q^da\ h a^jak;ti ttBlaatam n atffi\ hecutrrvrrhan hL6]^4tal W/lo F/vrn{an t{r\trut^nmnttar'a\ sduruh bapan wqssnal dibo!it&/\ belnn.au Fnivrjaua,vr t

k*ts adalc$ hehde p*t'ub* fr^^^ &jvrarnic lttri;ssss. ladaindsltur ty,tg Aaqunalan a;.ptrrhlawf Va prrnuhaal Cfiriraen. (cnrudrirur 4r-Liho* P*fth" Anh \'nda,rf'nr leJrsFut . Qaiued,aa,n tto\nypn 5,nfuh dan?a,v,ku\an M?"r fhhq Am wwgt\rt4atta^ ofuV {nwqi Wg AropVte/rergi imqal.). Vekuaw vrnatedal &tr\^a1 bqrd,aw]'q,la- qu%\ iwrgak\eqclrut.

krdo yrrokalf $ k*t W djtah^^kn q3i RocLure\ ,Wnve\,dc*ivic\tue - tty $ocL.r,ell

.rr.re.rr,,prtka* Wqb* v*\3 p,.bg h.ae ai%vunaW a^'Aruo{rtia kndt Ketntuwtrts,un t^r\ f,n{hlfarr irl,{ Vp,4fu un[ru W{.Jujtz'tjvrnxgapk r hnl tOw,r,rrrgtU,ran tupdi ksdalr/ ydo \ndettta' , gruafrlj Yrfiw,AaATotheAantx V&urtw, /ls.xt behs lr,rtsvrfaEi \"ry bu\. Yretturaaqga d* ul'fluturnt\ ,yur, ttdqr brtu s+nbanuy^ digurralta,r unku!- ryrattrial {s4yr,{\o"r,,tg bo\,r,r,rnn fahu lretr,uatanp. &,rena utuk \*aAsn W bubelq brbanden rnlurlvr ry*g tuquwtr;n lga bafi)ed".

VaOo ujt Rocku'el d"rgunatan &.o Jsrri( \efu41 ,yan.u b&an yvirtarda,thllarr wuy*. Ptrrrgq"** \ah^v\ vllrinm unl'r^lt {h/nidryut?ir ?rep^ac.Ciesrwrl rtrur qu'ral",hnf Sennuloon rg dl- rata 610,A, \qod" n?$uro lanl;,go\qh MJathff ?,yyuh^lrr^n \dtnnn"n bsrdqsarlre,a tq\tvdam keda[arma4indenl-ast dqi Vela^ vnalot M,,l bL,w rninor'. l\ac,1\ ?q,ngr.rlqrar4 l,e!+mv,r,Zt"ryf lcuaVwy \tb^* p'la atot- fo.n fila,L dia prlnitr^qf,a \ebib\rvfr"{.lnd.tntur yatng Aip+nquena qA^\^h thtavr MA bila b6a' tl'nrrrkMq{.evial W ltrln t(, &trytc.a[a$ tugorqiah\ fbct^,urrtl h^a*ry dg beb,x r4owglsbi\^ l,ar,l. 9"pnrqiof"\ rqlw.l1 &^Y er'$/{,ela44 lada seu,,rpei g,,.l,l3 h}.T d"4$rt4r4lr.rn lkJte.$ah coavlg.

tCIi E innet Aiter,vrukr.^r ole\, J.O.b*nrt rzafu ttrn ?qda uji bninnel dugu,hata6 lde.vrhr bt" @ dury l,iartneter {o avrrx. b&^n W Nfrr,mbanA;,ti bu V untulc Vh4rrl ksrat fu,rt, M Ug uflfyl. Vvrc/tUl,l heraS. tlnlrnLrvra{ryral \arg \onnS Noyn^\t^^ lnde1a1o,' fu,n lungcla,ncar*id

[elrrnsaninoleiltae;.

hi'nd ildqFf dad Wrnb^,frervr Wan

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l{arit inda,nta*i druh,rc de4ryrrr wwqqwnalwr rvrikrurtcop. KO.rerro u[uranindor^,hur 16 relafi bran aaptt vttewrinitrmtrltf elzl Whaattq{^gutnslvl trd, ?"r*,J-t u*r d^rr foW meridi Vs{rniLu Wryry\^a Vdo rnrAW\,

Ujf Vik {t ru,anqcXvnal+tn \ndutor ?iramida iyrlan datq^n gudf atrfu-Wrqkd 1lb'. kda ,^6' ui&erg beban dap \*r(^ry Ar+Ufqs,l."" Aan biaNqu'na@n *.mn- \nas dod rnaterd vg t/rnqt wnp\ Wa,e,. hehan VNYA@H bk*ry, berlqtar a,ntara ! - 11n b K,ruh q* lun *l U,tlory*{' cLala, faguh.ura.r. y,v.g lconhnu Aan r^age iy, W lehor son

fida[ p*t, hhaualie indtvrlor- ak^rr rusak . WanE^n',y r1*], brh^h?{tprah tp.rg le.tdt vur,fi, Wua lelwukmn \wv*u hctwc @h a{fa6eg^r kzrr,rwgt.,tnayr AhrV^+ W;ola\w,n lndonha.

\tit^ treLsrasan did,aptr da,f, ye,r.flrkd{bx Wptg Wa_Tdla d,ryrvth,ruil rndenfrre,

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Hryi1 i(duylafi 1lrlr '6i Bnnvrel t,nt^n teqaa; l

Ado bebuap hol V*g fefu dqper!,ahlralr ye, Vnq:q{an keU

6a6 ritDATA PECOOAAN

4) tb RocLurell

D U,r,Wclrrs

4 tti hin"s\

Porhitung^rr dial''d(3

l.

a/1. = x'o,r. t 9

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N\". kek{f,^q^" \fidrys1'

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No. 9psirnen Ptks) lndentor Kelerasxn.1 n hd c

ftW \$tmhr^ hinvrelt. 2 [tol,s)

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N\^ V*Wtaso, Roclcwctl i,q6-rarta)t. D t* wrloarr , lq,g3 flRA7.

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O htg}r carbon . lS,t6? Rp*ht '. ?.r ltP'!t:,

z Lrc+,s)

'646 r!,MLISIS DATA

Poaa Frhu. fpq*n a/wvrninw tidq[ drqi $virrvrtl don V,&.w.*Uuni-nir,uvr &reo*A aWoy+n ,LUW t'laffbtnhul,. *e}a pda ptwukmn a"\unifivm.Okida ini copt te.bentu[ wc{auy,^trt ca^k$ d^W,rrdi,,rE.&hivr%o ,)fr. drul Vi&eid^n Srinrrel hmg VaU.L had[ plqu!.lrfz,n nyl"f

Nita, y*E hrr\ trn"cbr,,t iltgf drUoe$4rn Varw gunqu\tgrarr dirrgonallJrrg \e,brL beE'rr. H^\ ini bBo drehnuFa^n Vo',vw^ btv'r"f havrl ivrdontaE,Uarg hdalt ifuol' Qtoin itra bttc^ drteloobkavr karena koahhan p'da

frqukuan irnSana\ ntfr* qrvnutiaoa s?tcivvlen \aa3 kotor " 9lh\nqa[rU,a\ pnrqr,l*+ron diaryvra\ k**g at{^r^b.dnn rnrnpvrgruhi n'r\qi heterasan.

tpea*r,n aU^yniniwn vvrerniUhr' Lel-{4?sa$ 19,q HRll. Sed"ng[,an davrtrtenarkr,rr @.unco^rg^ 1,9-3 *r.la [,toks. Al,uminitr.vn rrnenqatan rfiattri{.ury

lr^naL, oleh wuw itu $kah t^"g darunah^.vr ju6^ t*it^ pu,;1. Kekrronrhats/io'\ eebavrding d.nyny' kekuafar'ny". tlnnuk Slerirvrevr tog b**^ rendahvri\cu tirsngq 4zB {V?a dayr W V^fuq, f,vrgi 800 MPa"

A46 VKmrnnpUUlr} Ufti SAPIAN

Kerr'ng,r\am.t Ke ktrqsan brrla brbovr Rndah

14, B3 HRAg4,ll? vHf{lZ,,l,o?g BHN

'> l(elcorasan baJa hrbon hvrgqi?o,lar hp* 11a0.862 VHN231,ggb BHN

o khracar ft{rrvniniurn 74,t }RH

lebri'trn5q sebot^rrv\ potrtntu,*vr,ltnr rna.ruul sgtrwrrn ydg atovr d,,ryd;cari dul^, vrnhn Leka/-asa^nyo d, Uteralur gthivopp ard \^g qn3dibandinEhn.

.DArr*[ pusrara$iqf{r, 6.r. Peo.ul,4echanisa\ Nlrfollrn55 st MthcEd,iliovr I illc 'ra^r -Hil * Lrndon.[al rt-a -Z?].CqlUsi

\gar lo'urbqlb"n1 Tq*nlan pQrlarvroanz. (i; nib, hak*rasanJq,^,ob

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VieLes davr Qn^nvreJrvraSn*ir.Vn, {r,ilo|, ,terr,'bc'go , CI/ylqg don pernk.

f = 07[2= z.+?'7t =r'- L-r= c)' Grr - + lr -;'

i=I:

r-X

I - iiJF:t,iQ-o";4

\rc ha""a {o^.kqn*rA -- Zrr"5

z ur ltlro_,t D+))= 4r (r-m7y

BHHI .? :9" (o_ rfE

zfD"- lrf9"1'

Ab =bC= lccq4t'= A

1. 51otro \ttohst,s

- 3 : fiv$ekt*vt, (l6,,le6fr.,leilwg^4 ' nitr,l

Vrde,rs

lwnfug , VfiN,- = |7 -99

exvW: Vt{N,o, ?'4qf{nik : v}+hlinn -- 6r -gsnih[ , 6go rvpq CyHN)Bv;trr,c\

Vvtalnefiun -. ,t-Go t"tlanll.&l ' IOO L,tpot