Engineering Materials Lab Report

8/19/2019 Engineering Materials Lab Report

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ENGINEERING MATERIALSLAB PROGRESS REPORT

MAY 2014

GROUP 27

Team Members:

Harrivin A/L i!a"a#$maran

1%&'(

Ni)*n Sa+ H*n, -en

1%&40

La$ -a. M$n1%&1

Prasan. Ra! A/L Bas#aran

1%&&


2/18

Mar+an As"raa

1%&%1

TABLE OF CONTENTS

PRO3ET BA-GRO5N6Background of Sample

Pro!lem S"a"emen"

2

O!#ec"$%e & Scope2

LITERAT5RE REIE7Rock'ell Te(" )*+od Te(" )

METHO6OLOGYTe("( ,e"-od( .Pro#ec" Ac"$%$"$e( 7/e0 ,$le("one & Gan"" C-ar" 7

RES5LT*+od Te(" 1Rock'ell Te(" 1

6IS5SSION*+od *mpac" Te("

Rock'ell 3ardne(( Te("

4

ONL5SION

RE8ERENES

2


3/18

APPEN6IES

)

PRO3ET BA-GRO5N6

Background of Sample

In .is 9ab *$r ,r*$ +as ,iven a sam9e as s.*+n in 8i,$re 1;1 an< 1;2; T.e sam9e

is a =arb*n see9 bar +i. ,r**ve a .e * ar; 7e =an see .a *$r sam9e .as

.e *99*+in, =.ara=erisi=s:

P."si=a9 Aearan=e :

T.ree ie=es * see9 +.i=. are si9ver in =*9*$r an< .ave a ,rea am*$n * +ei,.

re9aive * is si>e;

F*GURE

F*GURE 2

8r*m b*. * .e ?,$re s.*+n ab*ve @ ea=. * .e se=imen .ave simi9ar


4/18

1

Pro!lem S"a"emen"

T.e r*b9em saemen a


5/18

2

LITERAT5RE REIE7

Rock'ell Te("

I enab9es .e $ser * er*rm an a==$rae .ar


6/18

Ima= sren,. ess are $se< * meas$re a maeria9s abi9i" * +i.san< s.*=#

9*a*< ima= ener," * a se=imen +i99 in=9$


7/18

K 8ra=$re me=.anism

4

METHD!"#

ROCKWELL HAR!ESS "ES"

aF APPARAT5S

T.ere are a e+ eC$imen reC$ire< *


8/18

bF SIGNI8IANE O8 RO-7ELL HAR6NESS TESTIn*< ima= es ma=.ine is $se< +i. avarie" * en


9/18

=F SIGNI8IANE O8 IO6 TEST : N*=.e< I>*< Ima= is a sin,9e *in es

.a meas$res a maeria9s resisan=e *

ima= r*m a s+in,in, en*<

ima= is


10/18

' A5G5ST

2014

1; Se=*n< ,r*$ meein, is .e9< a i99a,e ' =ae * =*m9ee Lab

8ina9 Re*r;

2; 6is=$ssi*n an< =*n=9$si*n * 9ab re*r i< *< es

6ATE : 22/0/2014

SAMPLE : Mi9< See9 TESTING E5IPMENT : Ams9er R-P 40ASTM : ASTM E2'San


11/18

Maeria9s

Rock'ell Te(" Tab9e ': 6aa * Se=imen

J Tesin,EC$imen

Tab9e 4: Res$9 *

R*=#+e99 Har


12/18

*+od *mpac" Te("

This %isc&ssio' is (ase% &po' o&r o(ser)atio' o' the Izo% test that was co'%&cte% o' the

three specime's o* Mil% +teel at a co'sta't temperat&re a'% co'sta't pe'%&l&m e'er,-.

The pe'%&l&m e'er,- &se% was co'trolle% to 2.75 0o&le a'% a swi', a',le o* 51

was recor%e% whe' the sample was 'ot place% i' (etwee' the pe'%&l&m. Tho&,h the pe'%&l&m

e'er,- was s&ppose% to (e at 11 0o&les3 a ra'%om error ca&se% it to (e at 2.75 0o&les. 4 Ap =

2.75 0o&les

The samples were place% o' the Izo% machi'e a'% the test was carrie% o&t o'e (- o'e.

Their A) a'% A) )al&es were recor%e% at 1.2 0 a'% 1.16 0 respecti)el- *or the *irst sample.

5.1 0 a'% 8.7 0 *or the seco'% sample a'% *or the thir% sample 6.8 0 a'% 61.8 0 .

9rom the A) a'% A) )al&es o* each o* the three samples there was a promi'e't

relatio'ship i' the a',le o* the pe'%&l&m a*ter the impact. 9or the *irst sample the pe'%&l&m

sw&', &p to a*ter the coll&sio' with the sample. The seco'% a'% thir% experime'ts recor%e%

1 a'% 7 respecti)el-.

9rom this we ca' %etermi'e that there is a' a**iliatio' (etwee' the A) a'% A) with the

a',le o* the pe'%&l&m swi',3 which is : The hi,her the )al&e o* A) a'% A) 3 the lower the a',le

o* the pe'%&l&m swi', a*ter the impact. ' a)era,e o* the three samples3 their A) a'% A) were

75.8 0o&les a'% 75.16 0o&les.

I'terpreti', these %ata3 it is o()io&s that whe' the pe'%&l&m exerts more *orce to (rea

the sample3 there will (e less e'er,- to co'ti'&e the mome't&m o* the pe'%&l&m3 th&s re%&ci',

its swi', a',le.

ossi(le so&rce o* error *or this experime't i'cl&%e )ariatio' o* testi', co'%itio's s&ch as

temperat&re a'% h&mi%it- a'% strii', locatio'. I'homo,e'eo&s or %e*ecti)e samples *or

example i'co'siste'cies i' the 'otches. There is also a si,'i*ica't room *or error o* the testi',

apparat&s %&e to (eari', *rictio' a'% air resista'ce.

(Rock'ell 3ardne(( "e("


13/18

An*.er me=.ani=a9 r*er" .a +as ese< is .e .ar


14/18

me=.ani=a9 be.avi*r * .e maeria9 * .e sam9es +ere *baine


15/18

12APPEN6IES


16/18

F$gure 15 Une%en (urface of "-e "e(" (ample !efore F$gure 5

Rock'ell "e(" !e$ng conduc"ed on Rock'ell "e("8 L$g-" can !e (een pene"ra"$ng (ample!e"'een "-e (ample and gran$"e "a!le


17/18

F$gure 45 Sample af"er *+od "e(" F$gure 5

Sample af"er all "e("( -a%e !eenconduc"ed8

1'

Sam9e min$es * meein,


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ENGINEERING MATERIALS LAB GROUP 27MINUTES OF MEETING 1

Date : 23 June 2014Loat!on: In"o#$at!on Re%ou#e &ente# Sta#t t!$e: 3PM

Attendees

• P#e%ent: 'a##!(!n )&*a!#+, N!-on Sa., Ma#.an A%/#aa", Lau a* Mun, P#a%ant* Ra Ba%a#an

Agenda Item Discussion Action / Decision / Proposal

1 Dete#$!ne #eu!#e$ent% o" La5 P#o6#e%% Reo#t

8 Me$5e#% ont#!5ute9 !9ea% on *o. to

o$ete t*e La5 P#o6#e%% Reo#t

8 1%t 9#a"t o" La5 P#o6#e%% Reo#t !%

%ta#te9

2 D#a"t out P#oet

Ba6#oun9

8 D!%u%%!on on *o. to 9ete#$!ne P#o5e$

State$ent, O5et!(e an9 Soe8 Se!$en .a% %tu9!e9 to "!n9 !n"o#$at!on

"o# Sa$e Ba6#oun9

8D!(!%!on o" ta%%

8Lau a* Mun .a% ta%e9 .!t* .#!t!n6

out t*e P#o5e$ State$ent, O5et!(e

an9 Soe8 Ma#.an A%/#aa" .a% ta%e9 .!t*

.#!t!n6 out t*e Sa$e Ba6#oun9

3 Dete#$!ne %ou#e% "o#

L!te#atu#e Re(!e.

8D!%u%%!on on .*e#e to "!n9 %ou#e% "o#

L!te#atu#e Re(!e. o" %a$e8 Inte#net an9 te-t5oo 9ee$e9 to 5e t*e

5e%t #e%ou#e8D!(!%!on o" ta%%

8 N!-on Sa. ta%e9 .!t* .#!t!n6 out

L!te#atu#e Re(!e.

4 Dete#$!ne te%t% to 5e

on9ute9 an9

$et*o9oo6/

8 D!%u%%!on on $o%t %u!ta5e te%t to 5e

on9ute9 .!t* 6!(en %a$e8 I;o9 te%t, B#!ne te%t an9 $!#o%t#utu#e

te%t!n6 *o%en8Met*o9oo6/ an9 too% #eu!#e9 "o# ea* te%t

.a% ooe9 u8D!(!%!on o" ta%%

8 P#a%ant* Ra Ba%a#an ta%e9 .!t*

.#!t!n6 out t*e Met*o9oo6/

En9 T!$e:

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Engineering Materials Lab Report