UNIVERSITI SAINS MAIAYSIII Sidang Akademik 1 ... - ePrints@USM
UNIVERSITI SAINS MAIAYSIII Sidang Akademik 1 ... - ePrints@USM
UNIVERSITI SAINS MAIAYSIII Sidang Akademik 1 ... - ePrints@USM
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-9- IEBB 512/3I<br />
liil<br />
Merujuk kepada keratan tersebut, hitung kadar (ikut berat) fasafasa<br />
yang wujud dalam suatu aloiyang mengandungi SGa - 30 As<br />
- 45Za (at %) pada suhu keseimbangan 70oC.<br />
By reference to this sectian calculate the proportions by weight of<br />
the phases present in an allay containing 5 Ga-30 As-45 Zn {at%)<br />
equitibrated at 7AoC.<br />
(30 markah)<br />
I<br />
'oo<br />
I<br />
cl<br />
L{ 300,-<br />
9l<br />
:t /<br />
9r ./<br />
i'""[ ,/<br />
u<br />
t<br />
e<br />
tE<br />
roo<br />
coo<br />
{oo<br />
{<br />
I<br />
tTlo<br />
oL<br />
Go<br />
20 rc tc 30<br />
i:^a olfa,< tL:<br />
t00<br />
'oo Z^<br />
(b) ln<br />
ro lc<br />
to 40 to 60 70 iio eo roo<br />
lrtrn'c I otohr< .r.) l<br />
(o) Ge-Zn brrurr ttrtem<br />
(b) Zn-As binrtY tystem<br />
r23a'<br />
Dtrrla