## Askmemetallurgy Latest Questions

### Poll Results

6.38%1 ( 6 voters )

69.15%2 ( 65 voters )

17.02%3 ( 16 voters )

7.45%4 ( 7 voters )

Based On 94 Votes

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71.88%(A) crack opening mode ( 23 voters )

3.13%(B) forward shear mode ( 1 voter )

6.25%(C) parallel shear mode ( 2 voters )

18.75%(D) perpendicular shear mode ( 6 voters )

Based On 32 Votes

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17.86%(A) aluminium metal will have excess dissolved oxygen ( 5 voters )

7.14%(B) it melts at too low a temperature ( 2 voters )

0%(C) it does not vaporize at reasonable temperatures ( 0 voters )

75%(D) (D) Al-Al2O3 line is too low in Ellingham diagram and needs excessively high temperatures ( 21 voters )

Based On 28 Votes

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A cylindrical specimen of an Al alloy with diameter of 30 mm is cold extruded to a diameter of 20 mm. If the flow behavior of the alloy is expressed by the equation, 𝜎 = 350 𝜖0.3 MPa, the ideal ...Read more

A cylindrical specimen of an Al alloy with diameter of 30 mm is cold extruded to a diameter of 20 mm. If the flow behavior of the alloy is expressed by the equation, 𝜎 = 350 𝜖^{0.3} MPa, the ideal plastic work of deformation per unit volume is ____ × 10^{6} J (answer rounded off to the nearest integer).