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A Comparative Study Of Tensile Properties In Five Orthodontic Wires, Charles B. Mcdermott
A Comparative Study Of Tensile Properties In Five Orthodontic Wires, Charles B. Mcdermott
Loma Linda University Electronic Theses, Dissertations & Projects
The tensile properties of .017 x .025" stainless steel. Multiphase, Blue Elgiloy, beta titanium, and Nitinol were tested and compared. All wires were tested in the "as received" condition. Fifteen samples of each type of wire were tested in order to determine the (1) modulus of elasticity, (2) .2% yield strength, (3) ultimate tensile strength, (4) percentage elongation and (5) maximum elastic deflection.
The modulus of elasticity and .2% yield strength are the most important properties to orthodontists because of their influence on the wire's stiffness, strength and range. The ratio of yield strength/modulus of elasticity, termed maximum elastic deflection, …