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ollegr [7]
2 years ago
8

Rank the following iron-carbon alloys and associated microstructures from the hardest to the softest: __________.

Chemistry
1 answer:
Pavel [41]2 years ago
6 0

Answer:

The Ranking from

Hardest to softest is as follows :

0.80 wt% C with fine pearlite.

0.80 wt% C with spheroidite

0.25 wt% C with coarse pearlite

0.25 wt% C with spheroidite

Explanation:

To find - Rank the following iron-carbon alloys and associated microstructures from the hardest to the softest. Justify this ranking.

Solution -

Ranking is as follows :

(d) 0.80 wt% C with fine pearlite.

(b) 0.80 wt% C with spheroidite

(a) 0.25 wt% C with coarse pearlite

(c) 0 25 wt% C with spheroidite

Justification -

For some wt% C,

Fine pearlite is stronger than spheroidite

and

Coarse pearlite is stronger than spheroidite.

Now,

Due to carbon content,

0.80 wt% C with spheroidite is stronger than 0.25 wt% C with coarse pearlite.

So,

The Ranking from

Hardest to softest is as follows :

0.80 wt% C with fine pearlite.

0.80 wt% C with spheroidite

0.25 wt% C with coarse pearlite

0.25 wt% C with spheroidite

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