The grain boundry area decreases when the polycrystalline material heated ..

Related MCQs

• The grain boundary area decreases when a polycrystalline material is heated
• the stress required to produce same deformation is higher in case of                         polycrystalline material as compared to polycrystalline materials
• The stress required to produce same deformation is higher in case of......... polycrystalline material as compared to ..... ...polycrystalline materials.
• the mechanism of plastic deformation in polycrystalline material is than the mechanism in single crystal structure
• the defect associated with slight mismatch of crystalline orientation from one grain to adjacent grain is called                      
• due to difference in electrode potential at grain and grain boundaries the type of corrosion which take place is known as               -
• in galvanic corrosion, as the area of anode metal decreases with respect to cathode area of metal, the corrosion rate            
• In case of polycrystalline materials regeneration rate of dislocations
• the is defect that causes sepeartion of grain
• finer is the grain size -