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.
Deadline for Filing Your Canadian Income Taxes. The 2014 deadline for filing Canadian income taxes has been extended to May 5, 2015. On April 25, 2015, an incorrect notification was sent by the Canada Revenue Agency (CRA) to tax preparers saying the deadline was May 5.he Canada Revenue Agency is encouraging Canadians to file their income taxes online. You can still file your taxes by mail or by hiring someone to do it for you. Here are 4 Ways to File Your Canadian Income Taxes. Select the one that's most appropriate for you and your income tax situation.