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According to the decreasing order of toughness. list the following materials (note: the steels are assumed to have no cold work and contain equilibrium phases). Diamond, 1040 steel, 1090 steel, pure aluminum

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Answer:

1090 Steel >1040 Steel > Pure aluminium >Diamond.

Explanation:

Toughness:

  Toughness can be define as the are of load -deflection diagram up to fracture point.

Modulus of toughness can be defines as the area of stress-strain diagram up to fracture point.Modulus of toughness is the property of material.

So the decreasing order of toughness can be given as follows

1090 Steel >1040 Steel > Pure aluminium >Diamond.

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