Ppt Impact Test

8/18/2019 Ppt Impact Test

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KELOMPOK2

“PENGUJIAN IMPACT”

MM-3140 LAB. TEKNIKINSTITUT TEKNOLOGI DAN SAINS

Sastro 123.13.004Salma S!a"ar #am$!123.13.00%A&sa T'ra( )

123.13.00*K(a&r+l ,a(m&123.13.023 T(&a T('r's&a123.13.02-


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• Sejarah dan tujuan en!uj"an"#a$t

• %en"& #et'de dan r'&eduren!uj"an "#a$t

• %en"& atahan ha&"( en!uj"an

"#a$t• )a*t'r *e!a!a(an #ater"a( ada

en!uj"an "#a$t•

Lat"han &'a( dan e#+aha&an

OUTLINE


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SEJARAH DAN TUJUAN PENGUJIAN IMPACT

S'ara( /'+&a&m/a t'ra& /aamasa /'ra +&a '+a ar'a 't&a &t+

a!a t'ra&

"'om'a /ata( 'tas!a t'ra& /aaa'ra( lasa a/al5

a/al /'ra ata'r5ta'r.6&atara "'om'a /ata(a t'rs'+t aa !a /ata(

s'a&a a aa !a 'ar5'ar /ata( t'r'la( m'a&+a a&a "'om'a /ata(a && s'r&!a t'ra& /aa saatm+s&m && 't&a 'raa & la+t 'as ata+/+ 't&a a/al

s'a 'rla+(. Coto( !a saat t'r'al t'ta"'om'a /ata(a 'tas aala( tra'& Ka/al T&ta&7 !a

m'l&tas& sam+'ra Atlat&.

MM-3140 LAB. TEKNIK ,ENGU%IAN IM,AT 1


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SEJARAH DAN TUJUAN PENGUJIAN IMPACT

Paa &+str& t++a ar& /'+&a &m/a7t aala(m'm+a(a alam /'m&l&(a /'ra7aa a /'ola(as+at+ a(a /ro+ 'a m''ta(+& s&"at5s&"at mat'r&al!aar& (as&l /'+&a &m/a7t +a m''a &a!a /ro+s&.

P'+&a &m/a m'r+/aas+at+ /'+&a !a

m'++r 'ta(aa a(at'r(aa/ 'a '+t.

Coto(!a '"ormas& /aa+m/'r mo&l saatt'ra&!a t+m+a

'7'laaa.

MM-3140 LAB. TEKNIK ,ENGU%IAN IM,AT /


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JENIS METODE DAN PROSEDUR PENGUJIAN

IMPACT

• Met'de har

P'+&a &m/a7t 'a m'l'taa /os&s&s/'s&m' +& /aa t+m/+a 'a /os&s&(or&$otal. L'ta ta&a (notch) t'/at &t'a( 'a ara( /'m++la ar&

'laa ta&a. 8&asa!a m'to' &&&+aa & Am'r&a a a!a 'arala& t'rmas+ Io's&a.


Fig. general configuraion of

an!il" an# "$eci%en in

C&ar$' Te"


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IMPACT


• Met'de I'dP'+&a &m/a7t 'am''/&t sala( sat+ ++s/'s&m' +& !a &l'taa

s'7ara 9'rt&al. 8&asa!a m'to'&& &+aa & Ir&s.

T+m+a /aa s/'7&m' &la+a t&a t'/at /aa/+sat ta&a m'la&a /aa /os&s& aa &atas ar&

ta&a.


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JENIS TA(I(AN )NOTCH* PENGUJIAN IMPACT


8/16MM-3140 LAB. TEKNIK ,ENGU%IAN IM,AT 2


IMPACT

C:A#P; TEST

I


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IMPACT

MM-3140 LAB. TEKNIK ,ENGU%IAN IM,AT

%en"&Met'de

Ke(e+"han Ke*uran!an

har • P''raa!a l'&(m+a( &/a(am& a&la+a

• T'aa!a +&"orm& s'/aa/'am/a

• :ara alat l'&( m+ra(• >at+ /'+&a l'&(

s&at

• :a!a a/at&/asa /aa /os&s&(or&$otal

• S/'s&m' t&a&7'am a& a/at'r's'r

• P'+&a (a!a+t+ s/'s&m' !a'7&l

I'd • T+m+a t'/at ar'as/'s&m' &7'am• 6a/at &+aa /aa

s/'s&m' !a'r++ra l'&( 'sar

• S/'s&m' t&a m+a(

'r's'r

•

8&a!a /'+&a !ama(al• P'm'aa (a!a

/aa sat+ ++s/'s&m' s'(&a(as&l +ra a&

•

>at+ /'+&a7++/ lama


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JENIS PATAHAN HASIL PENGUJIAN IMPACT

• ,eratahan Ber&erat )"+r'u& )ra$ture5

M'l&ata m'a&sm' /'r's'ra &a5&a r&stal &alam a(a !a +l't ?+7t&l'@. 6&taa& 'a/'rm+aa /ata(a 'rs'rat !a 'r't+ &m/'l !am'!'ra/ 7a(a!a a 'r/'am/&la +ram.

• ,eratahan Granu(ar Kr"&ta("n5

6&(as&la ol'( m'a&sm' /'m'la(a ?7l'a9a'@ /aa+t&r5+t&r ar& a(a !a ra/+( ?r&ttl'@. 6&taa& 'a

/'rm+aa /ata(a !a atar !a mam/+ m'm'r&aa!a /at+l 7a(a!a !a t&& ?m'&lat@.

• ,eratahan a#uran Ber&erat dan Granu(ar5

M'r+/aa om&as& +a '&s /'r/ata(a.



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Fig. P&oogra$& of fracure "urface" of A+, "eel C&ar$' -

noc& "$eci%en" e"e# a in#icae# e%$eraure" )in C*.

5 B 5 12 4 1% 24 -

Ga#+ar ,'(a ,atahan ada ,ena#an!Se&"#en Uj" I#a$t


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FA(TOR (EGAGALAN MATERIAL PADA

PENGUJIAN IMPACT• N't$h

Not7( /aa mat'r&al aa m'!'aa t'ra&!aos'tras& t'aa /aa a'ra( !a la7&/ s'(&amat'r&al m'a& l'&( m+a( /ata( ar'a t&a aa t'ra&'"ormas& /last&s m'a&ata mat'r&al m'a& 'tas.

• Te#eratur

Paa t'm/'rat+r t&& mat'r&al aa 'tas ar'a /'ar+(9&ras& 'l'tro!a !a s'ma& r'a( '&t+/+s'al&!a.

• Stra"nrate

Paa +& &m/a7t stra& rat' !a &'r&a saat t&&s'(&a &sloas& t&a s'm/at 'r'ra t'ra& '"ormas&

/last&s !a m'!'aa /ata( trasra+lar /aa mat'r&alt'rs'+t !a&t+ /ata(a !a m'moto +t&ra.MM-3140 LAB. TEKNIK ,ENGU%IAN IM,AT 8


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LATI:AN SOAL 6AN PEM8A:ASAN

/. Seela& #ila0u0an $engu1ian i%$ac #engan i%$ac e"ing %ac&ine J2+33#i#a$a &arga energi 'ang #i"era$ a#ala& 43 1oule. Pan1ang #an le5ar $ena%$ang

$er%u0aan "a%$el u1i a#ala& /3 %% #an 6 %%. Tenu0an &arga i%$a0 #ari

$engu1ian er"e5u7

Ja8a5an 9 E : 43 1oule #an A : )6;/3*%% 63%%%%


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LATI:AN SOAL 6AN PEM8A:ASAN

+. Tinggi anara $en#ulu% #engan lanai "e5elu% #an "e"u#a& 5eru%5u0an

#engan "a%$el u1i a#ala& /.? % #an 3.B %. Ma""a $en#ulu% a#ala& 4 0g #an lua"

$ena%$ang "a%$el u1i a#ala& 63 %%


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MM-3140 LAB. TEKNIK ,ENGU%IAN IM,AT 1/

G5. Efe0 Te%$eraur er&a#a$ (eanggu&an I%$ac


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REFERENSI

1. Callister, D. William, Materials Science And Engineering 8th Edition

2. M'tal :aoo N&t( E&t&o Dol+m' * M'7(a&7al

T'st& ASM1*B.

Ppt Impact Test

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