Dear Puspraj,
I think following answer satisfies your query :
Tensile strength increases but ductility decreases as the testing speed is increased. The speed of the cross head of the tensile machine therefore needs to be controlled and BS EN 10002 specifies a stress rate range of 6MPa per second to 60MPa per second. The ASTM specifications have similar - but not identical - requirements.
| Effect of speed of testing on strength and ductility |
On Wed, Mar 28, 2012 at 5:09 PM, Pushpraj Anand <pushprajanand34@gmail.com> wrote:
What is the speed of tensile test for Procedure qualification as per section IX?
i read some coads they recommended for some speed of tensile test,is
it mandatory to follow or we can do at any speed?
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Regards,
Pushpraj Anand
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