(3143512) Diffusion Welding

7/24/2019 (3143512) Diffusion Welding

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SHWETA

ROLL NO:3143512

INDUSTRIAL & PRODUCTION

PresentationOn

Difusion Welding &Latest trends


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Introduction

Diu!ion "#$din% t#cno$o%'

()in o*!t)c$# o+ ,roc#!!

(#c)ni!-

(#todo$o%'Proc#!! .)ri)*$#!

Co-,)ri!on *#t"##n diu!ion )nd +riction "#$din%

N#" tr#nd in diu!ion "#$din%

Ad.)nt)%#!

A,,$ic)tion!Li-it)tion!

C)!# !tudi#!

R#+#r#nc#!

CONTENTS:


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Introduction:Historical Developent!In 1/0 o$d!-it )d d#.#$o,#d ti!

t#cniu# to *ond %o$d o.#r co,,#r )nd n)-#d it )! $$#d %o$d

De"nition!It i! !o$id !t)t# "#$din% "#r#in co)$#!c#nc# o+ +)'in%

!ur+)c# i! ,roduc#d *' t# ),,$ic)tion o+ ,r#!!ur# )nd #$#.)t#d

t#-,#r)tur#!

Purpose!(o!t #6ci#nt -#tod to 7oin t"o di!!i-i$)r -)t#ri)$!

#aterials $oined include! A$u-inu- 8 co,,#r 8c#r)-ic! 8 incon#$

)$$o'! 8 nic9#$ 8 ,$)tinu- 8 !t)in$#!! !t##$ 8 tit)niu-1;


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Difusion Welding Tec%niue

Su*di.i!ion o+ *ot !o$id

Str#n%t o+ 7oint! ,ri-)ri$' +ro- -o.#-#nt o+ )to-! )cro!!

int#r+)c# )nd !#cond)ri$' +ro- ,$)!tic d#+or-)tion o+ +)'in%

!ur+)c#!

R#uir#! t#-,#r)tur# )*out 5T-

Conduct#d und#r ) .)cuu- o+ 1=


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#ain o'stacle in process,o$i!#d !ur+)c#! co-# into cont)ct on$' )t t#ir )!,#riti#!

)nd #nc# t# r)tio o+ cont)ctin% )r#) to +)'in% )r#) i! .#r'

$o"

S#cond$' in c#rt)in -)t#ri)$!8 t# ,r#!#nc# o+ o>id# $)'#r! )tt# +)'in% !ur+)c#! "i$$ )#ct t# #)!# o+ diu!ion *ondin%

#et%ods to overcoe o'stacle!

Imposing substantial plastic deformation

Enhancing microplastic deformation of the surface asperities

Presence of active alloying elements and use of interlayers.

(2)


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#ec%anis()*


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#et%odolog+

Difusion Bonding Oven-

Cr#)t#! .)cuu- c)-*#r "it ) ,u-, c),)*$# o+ r#ducin%

t# int#rn)$ ,r#!!ur# u, to ?>1=


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Diu!ion *ondin% o.#n inARC0;

SSA$ diu!ion *ondin% "#$d#d!)-,$#0;


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Process varia'les

T#r# )r# tot)$ .# ,roc#!! .)ri)*$#!:

Sur+)c# ,r#,)r)tion

T#-,#r)tur#

Ti-#

Pr#!!ur#

U!# o+ int#r$)'#r!?;


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?;


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Criteria ,or selection o, interla+ers

T# c#-ic)$ co-,o!ition o+ t# *ond#d -)t#ri)$!

Po!!i*i$it' o+ )$$o' +or-)tion

ood "#$d)*i$it' in r)di)tion or induction #)tin% in .)cuu-

or ) contro$$#d )t-o!,#r#

(#t)$$ur%ic)$ co-,)ti*i$it' o+ *ond#d -)t#ri)$! "it t#

-)t#ri)$ o+ t# int#r$)'#r

T# un!t)*$# !t)t# o+ t# !ur+)c# )! ) r#!u$t o+ i%

d#+#cti.#n#!! o+ t# !tructur# $in#)r8 .o$u-#8 ,$)n)r &

,oint ##ct!8 inc$udin% inc$u!ion!8 ,or#!8 .)c)nci#!8

di!$oc)tion!


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Coparison 'et-een .riction &Difusion Welding(/*

Difusion -elding .riction -elding

T)9#! $on%#r ti-# in our! T)9#! $#!! ti-# in !#cond!

S-oot#r 7oint! Co-,)r)ti.#$' $#!! !-oot#r

Int#r-#t)$$ic ,)!# !t)' )t cu

!id#

Int#r-#t)$$ic ,)!# o+ cu )t A$

!id#

L#!! 7oint !tr#n%t (or# 7oint !tr#n%t


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Ne- trends in difusion -eldingTransient Liuid P%ase Difusion 0onding

or-)tion o+ $iuid ,)!# )t *ond $in#

Liuid ,)!# t#n in+u!#! t# *)!# -)t#ri)$ )nd !o$idi#!

Diu!ion r)t# in $iuid ,)!# #n)nc#! di!!o$u!ion )nd

di!tortion o+ o>id# $)'#r )nd #nc# ,ro-ot# inti-)t#

cont)ct !ur+)c#!

H#nc# ,r#!#nc# o+ $iuid r#duc#! r#uir#d ,r#!!ur#

or-)tion o+ ) $iuid ,)!# in TLP diu!ion *ondin% cou$d

)!!i!t t# di!ru,tion o+ )n o>id# $)'#r )nd tu! ,ro-ot#

-#t)$$ic cont)ct2;


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.a'rication o, ono'loc1 %ig% %eat2u3 coponents

(ono*$oc9 conc#,t i! u!#d in int#rn)tion)$ t#r-onuc$#)r

r#)ctor ITER;

T# +)*ric)tion o+ -ono*$oc9! i! di6cu$t du# to t# t#r-)$

#>,)n!ion -i!-)tc *#t"##n co,,#r )$$o' )nd tun%!t#n

Dir#ct 7oint! )r# r#,ort#d to *# "#)9

N#" t#cno$o%' n)-#d )! Hot Isostaic Pressure "#$din%

d#.#$o,#d

Hot Isostatic Pressure(HIP*:I!o!t)tic %)! ,r#!!ur# cr#)t#d

)t #$#.)t#d t#-,#r)tur# in ) cont)in#r "#r# diu!ion "#$din%

i! to *# ,#r+or-#d Pr#!!uriBin% %)! -o!t$' u!#d )r# )r%on


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Stud+ on liuid!p%ase!ipact difusion-elding(LPIDW* SiCp 45L676

A$u-inu- -)tri> co-,o!it# )! ) "id# ),,$ic)tion in t#

#$d! o+ )#ro!,)c#8 )uto-o*i$# )nd !o on8 *#c)u!# o+ t#ir

i% !,#cic !tr#n%t8 ri%idit'8 "#)r r#!i!t)nc# )nd %ood

di-#n!ion)$ !t)*i$it'

Co-,o!ition o+ FL11 i! 25G !i$icon )nd 55G )$u-inu-

ir!t o+ )$$8 t# LPIDW t#-,#r)tur# ")! *#t"##n !o$id ,)!#

)nd $iuid )$$o' ")! u,

to c#rt)in .)$u# )t t# 7ointin% )r#)8 t# 7ointin% )r#) ")!

i-,)ct#d in !ort ti-# )*out 1=


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8dvantages!

Produc# i% u)$it' 7oint! i# +r## o+ di!continuiti#! )nd

,oro!it' )t int#r+)c#!tr#n%t )nd ducti$it' #ui.)$#nt to to!# o+ t# ,)r#nt-)t#ri)$

(#t)$! 8)$$o'!8 c#r)-ic! )nd ,o"d#r -#t)$$ur%' ,roduct! c)n*# 7oin#d

ood di-#n!ion)$ to$#r)nc#!

intric)t# !),#! or cro!! !#ction! i! ,o!!i*$#H#).' !#ction ,)rt! c)n *# 7oin#d *' diu!ion *ondin%"itout ,r#


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8pplications

A#ro 7#t S,)c# Sutt$# .)$.# )!!#-*$i#!

Co,,#r co$d ,$)t#! )nd J#>i*$# t#r-)$ !tr),! +or coo$in%

H#)t #>c)n%#r!

()7or -#dic)$ d#.ic# cor,or)tion )rtici)$ #)rt i-,$)nt

co-,on#nt!

)*ric)tion o+ nuc$#)r r#)ctor! co-,on#nt!8 )nd #)t

#>c)n%#r!

NASA ondin% ,)r)-#t#r d#.#$o,-#nt +or #ars Lander

Ro*otic )!!#-*$i#! +or !u*-)rin#! u!#d in o!or# oi$

indu!tr'

Su,#r )$$o' !tructur#! -#)!urin% 24 *' 24 *' 20 inc#!

#nc),!u$)tin% -i$#! o+ -icro c)nn#$! )nd ot#r2;


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9arious parts in aeroplane(6*


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9arious superallo+s

Superallo+s(*


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.a'rication o, electronic ites

T#r-o co-,r#!!ion *ondin% i! "#$$ #!t)*$i!#d in t# C(OS

co-,$#-#nt)r' -#t)$ o>id# !#-iconductor; indu!tr' )nd r#)$iB#!

.#rtic)$ int#%r)t#d d#.ic#! )nd ,roduction o+ ")+#r $#.#$ ,)c9)%#!

"it !-)$$#r +or- +)ctor!2;
http://en.wikipedia.org/wiki/CMOShttp://en.wikipedia.org/wiki/CMOS


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Case stud+ 6Diu!ion *ondin% t#cniu# )r# *#in% u!#d +or .)riou! +o$$o"in%

),,$ic)tion! )t ARC 213:

Difusion 'onding o, aluinu to stainless

steel!

oinin% o+ A$ )nd it! )$$o'! to SS 34 i! +r#u#nt$'

r#uir#d in cr'o%#nic )nd nuc$#)r ),,$ic)tion! Ti! r#uir#! )

tr)n!i#nt 7oint *#t"##n t#!# t"o )$$o'!

W#$din% )nd *r)Bin% o+ t#!# )$$o'! )r# di6cu$t du# to $)r%#

di#r#nc#! in t#ir -#$tin% ,oint!8 t#r-)$ #>,)n!ion

co#6ci#nt! )nd t#r-)$ conducti.iti#!


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riction )nd #>,$o!ion "#$din% 7oint! %#n#r)$$' r#!u$t in t#

d#.#$o,-#nt o+ $)r%# r#!idu)$ !tr#!! )nd !tructur)$ di!continuit'

)t int#r+)c#

Diu!ion *ondin% o#r! !ound !tr#n%t )nd i% $#)9


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#anu,acturing o, per,orated plate atri3%eat e3c%anger ,or cr+ogenic application!

P#r+or)t#d ,$)t# -)tri> #)t #>c)n%#r i! ) co-,)ct )nd i%$'

##cti.# #)t #>c)n%#r +or $iui+'in% o+ #$iu- in cr'o%#nic

),,$ic)tion T# #)t #>c)n%#r #!!#nti)$$' con!i!t! o+ ) !t)c9

o+ ,#r+or)t#d co,,#r ,$)t#! )$t#rn)tin% "it !t)in$#!! !t##$ SS;

!,)c#r! T# diu!ion *ond#d 7oint *#t"##n CuSS )! *##n

d#.#$o,#d8 to +)*ric)t# ) cr'o%#nic -)tri> #)t #>c)n%#r

St)c9! con!i!tin% o+ ,$)t#! )nd !,)c#r! 05 #)c; )nd t"o

!t)in$#!! !t##$ #nd ,$)t#! "#r# *ond#d to +or- -ono$itic #)t

#>c)n%#r5;

8lternate la+ers o, Cu plates andstainless steel spacers along -it% t-oend plates difusion 'onded to ,or aatri3 %eat e3c%anger ,or cr+ogenicapplications;


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Case stud+

E3it %atc% ,or t%e 0ritis%8erospace 08E 6


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Conventional structure and integrated plan fordoor panel using SPF!F"2#.


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=e,erences:

1 M)$,)97i)n -)nu+)cturin% #n%in##rin% )nd t#cno$o%'

> Diu!ion ondin% A$u-inu- A$$o'! )nd Co-,o!it#!: N#"

A,,ro)c#! )nd (od#$$in% T#!i! o+ 8ir 8> S%ir?adi ;Min%!

Co$$#%# C)-*rid%#8 d#c#-*#r 1//0

3 P)tricio (#nd#B ()!!)cu!#tt! In!titut# o+ T#cno$o%'

C)-*rid%#8 (A 213/; USA

4 AU #n i$i-$#ri En!titu!u D#r%i!i 1///; 1 2;8D#,)rt-#nt

o+ (#c)nic)$ En%in##rin%8 118 )$9#!ir8 Tur9i'#

5 R#!#)rc )rtic$# o+ ARC8 A,ri$ 213

@ Sci#nc#dir#ctco-

0 E ()no#$ LNLS8 C)-,in)!8 r)Bi$8 DEELOP(ENT ODIUSION ONDIN OINTS ETWEEN OQEN REE COPPER

AND AISI 31@L STAINLESS STEEL OR ACCELERATOR

CO(PONENTS

? -'otit!)n$#!"ord,r#!!co-2121diu!ion


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TH8N@AOB

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(3143512) Diffusion Welding