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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After that initial flexion the specimen is then pulled again until failure. Concrete, Asphalt and Rock. This allows hands-free grip operation enabling the specimen to be held with both hands, for easy loading. Please confirm that you agree with our privacy and cookies policy to submit this form.
Next Checking to see if you are a v2516 visitor…. A specially designed horn with a f2561 finish and a contoured surface with a graduated cam allows for easy loading and a stress reduced clamping area on the specimen.
For thicker diameter wire, we recommend using 5kN pneumatic side action grips with serrated faces.
WaveMatrix 2 for Dynamic Testing. Discover simpler and smarter testing with features such as pre-loaded test methods, QuickTest in seconds, enhanced data f2561 Onsite Training At Your Facility.
Glossary of Materials Testing Terms.
ASTM F2516-14 Tensile Testing Nitinol Wire
Nitinol, also known as Nickel-Titanium, is a highly elastic metal that also has shape memory. Nitinol is a shape memory, super-elastic alloy that is used extensively in the biomedical industry. Mechanical action wedge grips are the most common fixturehowever other types of grips may be used as well. Email addresses g2516 contain the symbol. Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience.
This article will provide a brief overview of the test as well as recommend the perfect grip for a successful tensile test. For thinner diameter wire, we recommend using pneumatic cord and yarn grips. Software for Series Systems.
Contact Us View Accessories Catalog. Email addresses can only contain letters, numbers and the atsm special characters: The accompanying video only shows the final portion of the test.
ASTM F – 07 Standard Test Method for Tension Testing of Nickel-Titanium Superelastic Materials
For wire with a diameter greater than 0. In the video we demonstrate a special type of tension fixture that is most commonly used for testing wire.
The F procedure involves tensioning the sample initially and then bringing it back down.
They are designed with standard and optional features that increase testing efficiency and improve the testing asttm for the operator. Description Literature Contact Us Nitinol is a shape memory, super-elastic alloy that is used extensively in the biomedical industry.
Both the AVE 2 and AutoX are capable of measuring strain in cyclic loading and to failure without damaging the Nitinol wire. For example, Nitinol is used in stents, dental wires, catheter guidewires, internal fracture fixation devices, and biopsy forceps. 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: There are several types of grips that may be used to test Nitinol.
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.
The clamping mechanism can be activated either automatically or through a foot switch. Depending on the exact mix of Nickel-Titanium, a fixture like this may need to be used. 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.
ASTM F covers the tension testing of Nitinol which is a material used to f256 stents in the biomedical industry. The AutoX is f25516 high-resolution, long-travel automatic contacting extensometer. Check this box to receive pertinent commercial email from Instron focusing on products, upcoming events, and more!