Last Updated
：2025/11/20
Charpy impact test
Noun
A
test
of
the
impact
strength
of
a
material,
used
to
determine
its
relative
ductility
or
brittleness.
The
test
is
executed
by
swinging
a
large,
heavy
hammer
on
a
pendulum
from
a
predetermined
height.
The
hammer
fractures
the
material
sample,
usually
a
block
of
a
certain
size
with
a
notch
cut
in
it.
The
height
to
which
the
pendulum
swings
is
used
to
calculate
the
energy
necessary
to
fracture
the
sample.
Japanese Meaning
材料の衝撃強度を評価するための試験。具体的には、一定の大きさの欠け（ノッチ）が入った試験片に対して、所定の高さから落下する重いハンマー（振り子状のもの）を用い、試験片が破壊される際の衝撃エネルギーから、その材料の延性または脆性を判断する。
Sense（1）
A
test
of
the
impact
strength
of
a
material,
used
to
determine
its
relative
ductility
or
brittleness.
The
test
is
executed
by
swinging
a
large,
heavy
hammer
on
a
pendulum
from
a
predetermined
height.
The
hammer
fractures
the
material
sample,
usually
a
block
of
a
certain
size
with
a
notch
cut
in
it.
The
height
to
which
the
pendulum
swings
is
used
to
calculate
the
energy
necessary
to
fracture
the
sample.
（ plural ）
Quizzes for review
A test of the impact strength of a material, used to determine its relative ductility or brittleness. The test is executed by swinging a large, heavy hammer on a pendulum from a predetermined height. The hammer fractures the material sample, usually a block of a certain size with a notch cut in it. The height to which the pendulum swings is used to calculate the energy necessary to fracture the sample.
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See correct answer
Charpy impact test
The laboratory conducted a Charpy impact test to determine whether the steel sample was ductile or brittle at low temperatures.
See correct answer
The laboratory conducted a Charpy impact test to determine whether the steel sample was ductile or brittle at low temperatures.
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