Last Updated：2025/12/31
Sentence
Miracle
is
concentrating
on
a
cluster
of
elements
in
the
centre
of
the
periodic
table
known
as
the
refractory
metals.
These
elements,
including
molybdenum
and
niobium,
have
unusually
high
melting
points
around
2500°C,
compared
with
1455°C
for
nickel,
on
which
jet
engine
alloys
are
now
based.
[…]
So
far
he
has
shown
that
high-entropy
refractory
metal
alloys
do
indeed
remain
strong
at
temperatures
beyond
the
wilting
point
of
existing
nickel
superalloys.
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Miracle is concentrating on a cluster of elements in the centre of the periodic table known as the refractory metals. These elements, including molybdenum and niobium, have unusually high melting points around 2500°C, compared with 1455°C for nickel, on which jet engine alloys are now based. […] So far he has shown that high-entropy refractory metal alloys do indeed remain strong at temperatures beyond the wilting point of existing nickel superalloys.
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