Presentation on BTP by Lalit

8/9/2019 Presentation on BTP by Lalit

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•Hardness and porosity of wa

rolled Al-Si spray formed allo Papered by Abhishek jorwal (11118004)

alit !eena (111180"#)

$e%endra Sin&h !eena (111180#')

Faculty Advisor:Dr. Devendra Singh (MM


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Abstrat

• Abstract Al-Si alloys were prepared by spraydeposition tehni*+e and then warm rolled to %thikness red+tion, Hardness porosity andmirostr+t+ral harateristis of the alloy are s

from .enter to bottom and from bottom to perof the deposit for di/erent perenta&e of thiknered+tion


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ntrod+tion

•2ellent properties of al+min+m-silion alloys liwei&ht low density hi&h stren&th to+&hness oresistane and low ost ha%e led to e2tensi%e +sthese alloys in en&ineerin& appliations

• Altho+&h the metal astin& proess prod+es a

omponent with a reasonably &ood *+ality it lapro%idin& a 3ne &rain str+t+re in the ast prod+se%erely limitin& its appliation in ritial ser%ieonditions

• o impart a 3ne &rain str+t+re to a ast prod+tn+mber of seondary proessin& operations like and for&in& are to be arried o+t,


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• o o%erome this problem tehnolo&ists ha%e owith a new inno%ati%e tehni*+e alled spray for

•

Spray formin& is basially a rapid solidi3ation pwherein li*+id metal is atomi5ed in an inert &asatmosphere and sprayed in the form of 3ne dropto a s+bstrate or a olletor res+ltin& in a near nshape preform,

•

h+s spray formin& prod+es omponents with 3&rain str+t+res and mehanial properties ,

• hro+&h the metal astin& there are a lots of sesteps b+t spray formin& ha%e %ery less steps ,


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spray forming -

Stopper


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iterat+re re%iew-

•

!irostr+t+re


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POROSITY -


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HA6$7SS


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orkin& plan -

oations of samples (with assi&nedn+mber) +t from spray deposit formirostr+t+re porosity and hardness

meas+rements,


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(1)he sample is +t from the dis like abo%e dia&(')After the +ttin& we will be meas+red mirohardness and porosity

(#)hro+&h the warm rollin& proess we will be thikness of samples +p to '0 9 409 :09 809,

(4)n e%ery steps of thikness red+tion we meas+red mirostr+t+re hardness and porosity


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!irostr+t+re

•

samples from the entral and peripheral re&ionpreform will be +t down and then warm rdi/erent perenta&e of thikness red+tions

• hen samples will be e2amined with optial miafter ethin& with ;eller


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Porosity

•

he density and porosity for the %ario+s perenta&e of redmiddle and peripheral meas+re by +sin& the Arhimedes


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Hardness

•

Hardness in%esti&ations will be arried o+t on samplesentral and peripheral re&ions of preform,

• A Cikers=s hardness tester will be +sed to meas+re thhardness at " ;& load, ndentations will take at di/erent loentral and peripheral re&ions of eah sample,

• Hardness will inrease ontin+o+sly +p to 80 9 thikness r

• $+rin& the rollin& proess of the materials the ndisloations per materials %ol+me inrease, h+s the and mo%ement of new disloations is hindered by thedisloations a+sin& an inrease of hardness of the mater


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6eferenes

• (1) $e%endra Sin&h ;a%ita p+ri %inod k+mar DThe inuence of Rolling process on the pwear behavior of Spray-formed Al-6%Si-2%!b "IOSR Journal of Mechanical and Civil E

(IOSR-JMCE) e-ISSN: !"-#$"%&'-ISSN: -%*& +olu,e #& Iue• ('), 6ashmi !ittal and $e%endra Sin&h D#$ect of cold rolling on the mechanical propercast Al-6Si-2!b alloy .dvanced Ma/erial Reearch +ol0 1"1 (#) '' %-%$ a/ 2220

• &'(#$ect of )old Rolling on the *echanical !roperties of Spray )ast Al-6Si-2!bAlloyE10,40'8Fwww,sienti3,netFA!6,"8",40'E

• &+( ,Advances in *aterials and !rocessing D10,40'8Fwww,sienti3,netFA!6,"8",40'E

•#$ect of warn Rolling on the *echanical !roperties of Spray )ast Al-6Si-2!b Alloywww,sienti3,netE

• ("), Phase dia&ram of al i alloyshttpGFFal+mini+m,matter,or&,+kFontentFhtmlFen&Fdefa+lt,aspatidIJKpa&eid1J:"8J#4:

• (:) $, Sin&h and S, $an&wal L/ets of proess parameters on s+rfae morpholo&y of metaprod+ed by free fall &as atomi5ationM N, !ater, Si, Col, 41 ('00:) p, #8"#,httpGFFd2,doi,or&F10,100IFs108"#-00:-::"'-'

• (I)!, Anil C,.,Sri%asta%a !,;,Ohosh and S,C, jha Ln?+ene of tin ontent on tribolo&ial of spray formed Al@Si alloysM ear Col, ':8 ('010) p, 1'"0, httpGFFd2,doi,or&F10,101:Fj,wea

• (8);, ;a+r and ,P, Pandey L!irostr+t+ral harateristis of spray formed 5iron sand reinompositeM N, Alloys and .ompo+nds Col, "0# ('010) p, 410,httpGFFd2,doi,or&F10,101:Fj,jallom,'010,04,'4J

http://www.scientific.net/http://www.scientific.net/http://aluminium.matter.org.uk/content/html/eng/default.asp?catid=79&pageid=196589346http://aluminium.matter.org.uk/content/html/eng/default.asp?catid=79&pageid=196589346http://www.scientific.net/http://www.scientific.net/


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Presentation on BTP by Lalit

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