Question

Main cause of increase in strength by precipitation hardening is

1.  Barrier to dislocation movement

2.  Increase in number of dislocation  

3.  Easy dislocation movement

4.  Few number of dislocations

​

Answer 1

hg ft jvjmhgdtxfjjjjj the best price for your wishes to you by my own business. we will need the right place, I will have the right thing by then I would have come. aanya the the, the more than one person, mate and a bit. but it would like the one that has a large range, the more than one person, mate and a bit.

Answer 2

this is because of barrier to dislocation movement