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.
Canada Revenue Agency (CRA) says it takes about 2 weeks to process returns filed using NetFile, EFile, or Telefile, but they do not start processing returns until mid-February.he methods to check on the status of your return or your refund are: Direct Deposit to Your Bank Account-Will be Mandatory April 2016 By April 2016, the federal government will be phasing out all government cheques in favour of direct deposits.