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Article: An experimental method for measuring mechanical properties of rat pulmonary arteries verified with latex.
- Article from:
- Journal of Research of the National Institute of Standards and Technology
- Article date:
- May 1, 2003
- Author:
CopyrightCOPYRIGHT 2003 National Institute of Standards and Technology. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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This paper describes a test method for measuring the mechanical properties of small, nonlinear membranes samples from a rat model for pulmonary hypertension. The size and nonlinearity of the pulmonary artery samples poses a challenge for developing a test method that will generate quality, reproducible data in the pressure range experienced by the hypertensive pulmonary artery. The experimental method described here has sufficient precision to yield a combined relative standard uncertainty of 4%. The method is calibrated against 75 [micro]m thick latex and the data agree well with the neo-Hookian model.
Keywords: apparatus; biaxial test; latex; mechanical ...