Iso norm zugversuch

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Buy securely with a credit card or pay upon receipt of invoice. Cooperation at DIN. Contact the contact person Additional information Required Functional Personalization Show details. If the point of break is outside of the initial gauge length, according to ISO Appendix I , the strain at break can nevertheless be determined, if an appropriate number of gauge marks were considered and measured during the test.

The laserXtens Array as well as the videoXtens Array provide an optional solution for this task. The JIS Z provides a classification of the break point. This is normally done manually through visual testing or by separate non-contact measurement.

Both methods are personnel and time consuming. With modern optical, non-contact extensometers this task is automatically handled for tensile tests: indication of the class depending on the break point A, B or C is then part of the determined and recordable results. By playing this video, you agree to the use of cookies as well as to the transfer of data to YouTube in the USA.

Additional data privacy notices. Find out more. All relevant settings are conveniently preset in testXpert III. Check it out for yourself! The tensile test on metals according to the ISO standards was updated to include closed loop strain control.

The testXpert III testing software also provides prepared standard test programs for this test method. The test results that are determined with the software to standard ISO can be verified and validated with an internationally coordinated data set and internationally coordinated test results.

This data was used to determine and qualify test results and ranges of results. We look for and find the optimal testing solution for every one of your requirements. Name Type Size Download. Important characteristics of tensile testing on metals to ISO include: The yield point ; more accurately the upper and lower yield point R eH and R eL The offset yield ; generally determined as replacement yield point at 0.

The yield point extension; more accurately extensometer yield point extension, because it can only be determined with the use of an extensometer A e The tensile strength R m The uniform extension A g The strain at break A , whereby the normative specifications with regard to the gauge length are of significant importance.

For the force measurement the ISO series refer to ISO Calibration and verification of the force measuring system for tension and compression testing machines, and require Class 1 at a minimum. The internationally applied standards are sometimes different in the structure of their content, however in their definition and requirements they are in accordance so that the relevant characteristic values derived from tensile testing do not significantly deviate from each other.

Characteristic values, for which use of an extensometer of at least Class 1 to ISO for tensile testing of metal is required, are: Initial gradient of the stress-strain curve mE Offset yields Rp and Rt Characteristic values, for which use of an extensometer of at least Class 2 to ISO for tensile testing of metal is required, are: Yield point extension Ae Uniform extension Ag and Agt, as well as Plateau range e around the tensile strength Rm or maximum tensile force Fm Extension after break A and At.

For correct determination of yield points R eH and R eL and offset yields R p and R t besides accurate force and strain measurement, the test speeds are also significant: Metallic materials change their characteristic values when the strain rates at which the tests are performed change.

As a general rule, higher strain rates result in higher strength values. Depending on the alloy and product quality of the metallic material, the dependence on the strain rate can be very significant, and outside of the specification limits for corresponding qualities.