1 Yield strength is the lowest stress that produces a permanent deformation in a material. 2  In some materials, like aluminium alloys, the point of yielding is difficult to identify, thus it is usually defined as the stress required to cause 0.2% plastic strain. 3  This is called a 0.2% proof stress.
This year's deadline to file your personal income tax return is midnight on May 5 â five days later than the usual Apr. 30 cutoff. You can thank that nasty Heartbleed computer bug for the extension, after it forced the Canada Revenue Agency to shut down its E-File system earlier in April.his year's deadline to file your personal income tax return is midnight on May 5 â five days later than the usual Apr. 30 cutoff. You can thank that nasty Heartbleed computer bug for the extension, after it forced the Canada Revenue Agency to shut down its E-File system earlier in April.
This year, the deadline to file income tax returns (ITR) has been extended to 31 August from 31 July. Here is what happens if you miss the deadline for filing returns.Under the income tax law, if you donât file your ITR within the deadline (31 August for assessment year 2015-16), you can still file returns within two years from the end of the relevant financial year.This means, that you can file returns for financial year 2014-15 till 31 March 2017.his year, the deadline to file income tax returns (ITR) has been extended to 31 August from 31 July. Here is what happens if you miss the deadline for filing returns.