Mechanical milling of niobium aluminide intermetallic

to

rapid

grain

tlitIusiolt

1n

nnnocrvstalline

t)oundarirs.

Miscellaneous THE UNIVERSITY OF NOTTINGHAM - A EUROPEANCENTREFOR POWDER METALLURGY .1.R Moon, .J.\‘. Wood ham,

(t:niversity

Mechanical alloying

,Wf~fff//.. \‘oI :11, Kc, -1. 1995.

MILLING

in

DURING

MAPS AND AMORPHIZATION MECHANICAL

ALLOYING

Work ttst‘r

t)f Nottillgham. producing

lmwdrr

is

tlrscribcd.

I’~rbricati~~r~.

rt,lat ionshipb.. sintt~ril~g

I’orrvfrr.

:Io:$-9oH.

: IN, Illlivrrsity

industries

powdery

.J.

of the

at

st~pport

01’ Nljtting

Irtt.

I ‘K).

Nc~ttin~ham.

high

struct

Inxtcsrial5

and

111’powde’r

sttic‘l5

urc

01

Metal injection moulding

proprrt?

temperature

of dissimilar

antI

Studies

TOLERANCE CONTROL. .WD DIMENSIONAL STABILITY FOR A(:E’lYI.

synthesis,

powdc~r, intrrmrtallia’

fat igut,

and

art‘

illc~ludt~d

f’r;ic~tur~.’

BASED MIM FEEDSTO(‘KS

111 lh1.t

Iopic~s (li9(.11!i%Y~.

PM”TEC’Y5. The abstracts which follow are from papers which were presented at the International Conference on Powder Metallurgy, held in Seattle, USA, in May 1995.

Mechanical alloying AMORPHLZATION OF IRON-BORON POWDERS BY ME(:HANICAL ALLOYING AND HEAT

TREATMENT

OCCURENCE SOLUBILI’IY EXTENSION IN ALUMINILJM AND MAGNESIUM

SOLID

AND PREVENTION

MOULDING

DEFECT

INJECTION

MOlrLDING

ADVANCED

QUALI’IY C’ONTROL

PRECISION

IN.JECTION

(lb A

IN METAL

SOLIJTIONS BY MECHANICAL ALLOYING F.II.

I”ro15

r’l

trl.

MOS(.OLI., I&hc,. ‘P’ar tronr

equilibrium’

wc‘rtb discussed. alltry~~g. Mg,

AMORPHIZATION ALLOY

OF ZIRCONIUM

MECHNANICAI.

ALLOYING

Solid

Al-Si,

of

proct3s

particularly

solultility

Al-(‘r~.

Itlahr).

centers millinp

was

gr~-at~r

and

t Iial~

how

antI

RS (,roct’.ssc3

in Al-

Mg-XI.

were rc~portrtl 11, rapid

s wt’rcs discllssed

and

ltlrthotl~

mt~c~hanical

tbxtrt~sions

A-&

hi& l
(llnlvorsity

I’S/\).

afttlr

antI this

solidiiicatiofl.

tht,rlnodyrl;mii~~lly

f’ar It is I)ossihltL

to go 114ng MA

FOR

.MOI’LDED

PARTS MECHANICAL

MILLING

ALUMINIDE F.lH.

INTERMETALLIC

l-I~~~h (‘I

ctl.

MOS~YW. Idaho, Prc~alloyc~d M.4

Kt) ,A1

with

SYNTHESIS

OF SUPERSATURATED

NANOCRYSTALLlNE ALUMINIUMTITANIUM BY MECHANICAL ALLOYING

and

milling

r:,ng:(

formed

15 hoitrs.

The

hot1.v with

structure

at 800

The size

ordrring

diminishthd

dest,royt~d

LL

an d

m t’

long

t a s t a t, I v

ccntrcstl

amorphizal rcvrrted

C’. 15 hour

A I5

ratig:tJ order.

mill.

2..5 hours

time

nancbc~rysl alIin(s

heating

long

the. grain

ord(sr

struc%urc

III- ltlatlc).

~~owd~~r. with

showed

2, shaker

i:l

pararncstrr

(I.nivcsrsit>

t ISA).

st ruc’t tlrcb whit% WHS

OF NIOBIIJM

milletI

cuhl( ion aftc%r

1o Al5

did not rt’ order. Results were discvsscd I~nrs of tIll~mi0dynarnic.s SYNTHESIS PHASE

OF METASTABLE

ALUMINIUM

on

powder

in

CUBIC

ALLOYS

Process modelling FRICTION POWDER

F.H.

Frees

MOXYW.

(,I

r/l.

Idaho. IISA).

(ITniversity

EFFECTS

IN METAL

COMPACTION

(~1’ Idaho. (;.F.

l
I’( trl

~ll;igar~iis

Italic

MPR May 1996

SKI.

53