World's #1 Metallurgy Student Community Latest Questions

suraj

Asked: September 23, 2021In: Mechanical Metallurgy

How does favorable compressive residual stress increases fatigue life?

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vsnikhil3Copper

Asked: September 15, 2021In: Mechanical Metallurgy

Why aluminium doesn’t shows yield point phenomena

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vsnikhil3Copper

Asked: September 14, 2021In: Mechanical Metallurgy

Why bauschinger effect is not considered in plasticity

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[email protected]

Asked: September 10, 2021In: Mechanical Metallurgy

The dislocation can move through process known as slip when the energy reaches critical rate O sufficiently shear stress acting parallel to dislocation line O sufficiently shear stress acting parallel to Burger vector O sufficiently shear stress acting perpendicular to slip plane O

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lopamudra

Asked: September 7, 2021In: Mechanical Metallurgy

In general atomic diffusion is higher in GB than in bulk. But is it also follow at lower temperature?

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xavi

Asked: August 22, 2021In: Mechanical Metallurgy

For slip to occur in polycrystalline materials, 5 independent slip systems are required. My question is what’s so sacrosanct about 5 slip systems, kindly explain.

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srilekha v

Asked: August 7, 2021In: Mechanical Metallurgy

cross slip is prevalent in materials with ______?

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Lopamudra Singh

Asked: August 2, 2021In: Mechanical Metallurgy

Why resistivity increase upon increase in vacancies?

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Ashish lisuIron

Asked: July 8, 2021In: Mechanical Metallurgy

in cold working or hot working, for which process residual stresses will be more in the final product and why? why Cold working have better surface finish?

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Ashish lisuIron

Asked: July 8, 2021In: Mechanical Metallurgy

how do fatigue failure occur even if the applied stress is below yield stress?

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Ashish lisuIron

Asked: July 8, 2021In: Mechanical Metallurgy

how does alloying element help in strengthening?

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Ashish lisuIron

Asked: July 7, 2021In: Mechanical Metallurgy

For Creep which will be more effective, dispersion hardening or precipitation hardening and why?

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Udaya Bhaskar

Asked: July 6, 2021In: Mechanical Metallurgy

How to find shear modulus of steel

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Ashish lisuIron

Asked: July 6, 2021In: Mechanical Metallurgy

What will happen to fatigue strength if both maximum and minimum stress is tensile or if both are compressive? Will material fail if both stress are compressive?

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Ashish lisuIron

Asked: July 6, 2021In: Mechanical Metallurgy

what is fatigue and why material fractures below yield point?

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Bashu1234Iron

Asked: June 29, 2021In: Mechanical Metallurgy

Fine grains have more ductility than the coarse grains in steel.how?

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digbijaya igitPlatinum

Asked: June 26, 2021In: Mechanical Metallurgy

solve

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Poll

digbijaya igitPlatinum

Asked: June 26, 2021In: Mechanical Metallurgy

Q)

Poll Results

23.53%A ( 4 voters )

17.65%B ( 3 voters )

47.06%C ( 8 voters )

11.76%D ( 2 voters )

Based On 17 Votes

Participate in Poll, Choose Your Answer.

A

B

C

D

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digbijaya igitPlatinum

Asked: June 26, 2021In: Mechanical Metallurgy

Q)

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MSH Malik

Asked: June 23, 2021In: Mechanical Metallurgy

What are slip planes & slip directions

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digbijaya igitPlatinum

Asked: June 21, 2021In: Mechanical Metallurgy

Explain the role of stacking fault energy on the deformation characteristics of FCC metals and alloys.

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Eben

Asked: May 31, 2021In: Mechanical Metallurgy

A researcher is working on aluminum bronze alloy to be used as a pump. During production of the alloy, the researcher quenched and tempered the product. Will the fracture toughness of this product be high or low? Would you expect the resistance of the alloy to crack nucleation differ from resistance to crack growth? Briefly discuss

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Anonymous

Asked: May 24, 2021In: Mechanical Metallurgy

What is Slip System?

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SuvamCopper

Asked: May 22, 2021In: Mechanical Metallurgy

Derive the relationship between strain hardening exponent and uniform strain obtained by using tensile test of a material.

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Askmemetallurgy Official

Asked: March 31, 2021In: Mechanical Metallurgy

GATE MT 2021 Q49. An infinite metal plate has a central through-thickness crack of length 𝟖𝟎/𝝅 mm. The maximum applied stress (in MPa) that the plate can sustain in mode I is: (round off to nearest integer). Assume: Linear elastic fracture mechanics is validGiven: Fracture toughness, 𝑲𝑰𝑪= 20 MPa m1/2

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