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What is the relationship between the grain size and the fatigue strength for low stacking fault energy material?

What is the relationship between the grain size and the fatigue strength for low stacking fault energy material? Correct Answer Fatigue strength is inversely proportional to the square root of grain size

The fatigue strength of the low stacking fault energy material is inversely proportional to the square root of the grain size of the material.

Related Questions

The effect of grain size on the fatigue strength is predominant in material with high stacking fault energy while the effect of grain size is negligible in low stacking fault energy material.
The material with higher stacking fault energy has higher fatigue strength whereas the material with lower stacking fault will have a lower fatigue limit.
The higher the width of the stacking fault _________ will be the stacking-fault energy. Higher the stacking fault energy __________ will be the cross slip.
The material with low stacking fault energy is prone to sub-grain formation compared to the metal with high stacking fault energy.
Stainless steel A has a stacking fault energy of 8 mJ.m-2 and stainless steel B has a stacking fault energy of 45 mJ. m-2. The correct statement out of the following are.
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Q. A will strain harden more rapidly than B
R. A and B will develop similar type of substructure
S. A and B will have the same temperature dependence of flow stress.
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The influence of shape of aggregate in strength and workability of concrete are given below in statements S1, S2, S3 and S4. Which of the statements are correct? S1: Rounded aggregate produces concrete with high workability and low strength. S2: Angular aggregate produces concrete with high workability and low strength. S3: Rounded aggregate produces concrete with low workability and high strength. S4: Angular aggregate produces concrete with low workability and high strength.
The largest size of immobilised segment of dislocation in a Frank Read (FR) source contained in a polycrystalline material is of the order of grain size. In a metal of 10 μm grain size, the shear stress required to operate such a FR source is 100 MPa. If the grain size in the same metal is reduced to 10 μm, the shear stress required to operate such FR source would be . . . . . . . . MPa.
With increase in stacking fault energy, fatigue strength of material __________
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