ASTM F Standard Test Method for Tension Testing of Nickel-Titanium Superelastic Materials. standard by ASTM International, 10/01/. ASTM F requires an extensometer of Class C or better to be used for wires with a diameter greater than mm. The test method is designed to pull the. Find the most up-to-date version of ASTM F at Engineering

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Glossary of Materials Testing Terms. Accurate strain measurement The weight of a clip-on extensometer may cause bending of the wire, and the knife-edges may slip, damage the wire, or lead to premature failure Secure gripping for varying specimen diameters Accurate turnaround points Instron Solution: This article will provide a brief overview of the test as well as recommend the perfect grip for a successful tensile test.

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ASTM F Tensile Testing of Nitinol Wire – Instron

Nitinol Testing requires a thin strip of the material to be pulled in tension at a specified rate. For thicker diameter wire, we recommend using 5kN pneumatic side action grips with serrated faces. Email addresses must contain the symbol. The second generation Advanced Video Extensometer AVE 2 utilizes patented measurement technology in the fastest, most accurate non-contacting strain measurement device commercially available.


Description Literature Aatm Us Nitinol is a shape memory, wstm alloy that is used extensively in the biomedical industry.

Nitinol, also known as Nickel-Titanium, is a highly elastic metal that also has shape memory.

ASTM F covers the tension testing of Nitinol which is a material used to make stents in the biomedical industry. Mechanical action wedge grips are the most common fixturehowever other types of grips may be used as well.

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These unique properties make it very useful in a host of other applications including kidney stone retrieval baskets, eye glass frames, and micro antennas. Asstm Universal Software is built from asmt ground-up for touch interaction and an intuitive user experience.

Users of previous versions of software such as Bluehill 2 and Bluehill 3 can easily upgrade to the newest version of Bluehill. Software for Series Systems. Both the AVE 2 and AutoX are capable of measuring strain in cyclic loading and to failure without damaging the Nitinol wire. Subscribe to Our Newsletters.

Contact Us View Accessories Catalog. Pneumatic cord and yarn grips provide a convenient method for clamping fiber, cord, yarns and fine wires to reduce the problem associated with testing these materials. How can we help you?

Email addresses can only contain letters, numbers and the following special characters: We use cookies to improve your browsing experience. Nitinol is a shape memory, super-elastic alloy that is used extensively in the biomedical industry.


The F procedure involves tensioning the asfm initially and then bringing it back down.

ASTM F2516-14 Tensile Testing Nitinol Wire

After that initial flexion the specimen is then pulled again until failure. By continuing to use our site, you accept our cookie policy. Check this box to receive pertinent commercial email from Instron focusing on products, upcoming events, and more!

It is well suited for applications involving plastics, metals, biomedical, composites, elastomers, and more. These include the lower plateau strength, upper satm strength, and the residual elongation. The clamping mechanism can be activated either automatically or through a foot switch. In the video we demonstrate a special type of tension fixture that is most commonly used for testing wire. Pneumatic cord and yarn grips provide selectable clamping force to accommodate different materials and excellent follow-up action which compensates for decay of the holding force due to specimen creep.

The AutoX is a high-resolution, long-travel automatic contacting extensometer.

WaveMatrix 2 for Dynamic Testing. Please confirm that you agree with our privacy and cookies policy to submit this form. Bluehill LE for Basic Testing. The challenges of testing Nitinol wire to this standard are: