Nondestructive characterization of layered composite materials with a laser optoacoustic sensor

1998 ◽  
Author(s):  
Alexander A. Karabutov ◽  
Victor V. Murashov ◽  
Natalia B. Podymova ◽  
Alexander A. Oraevsky
Keyword(s):  
Composite Materials ◽  
Layered Composite ◽  
Nondestructive Characterization

Characterization of thermo-mechanical and long-term behaviors of multi-layered composite materials

2006 ◽  
Vol 66 (15) ◽  
pp. 2907-2924 ◽  
Author(s):  
Anastasia Muliana ◽  
Aravind Nair ◽  
Kamran A. Khan ◽  
Shannon Wagner
Keyword(s):  
Composite Materials ◽  
Layered Composite

A Possible Basis for Nondestructive Characterization of Ropes of Nylon 6

1997 ◽  
Vol 503 ◽  
Author(s):  
H. Jiang ◽  
M. K. Davis ◽  
R. K. Eby ◽  
P. Arsenovic
Keyword(s):  
Tensile Strength ◽  
Service Life ◽  
Fiber Diameter ◽  
Structural Parameters ◽  
Crystal Form ◽  
Nylon 6 ◽  
Remaining Service Life ◽  
Nondestructive Characterization ◽  
Fractional Content

ABSTRACTPhysical properties and structural parameters have been measured for ropes of nylon 6 as a function of the number of use operations. The fractional content of the α crystal form, sound velocity, birefringence, tensile strength and length all increase systematically and significantly with increasing the number of use operations. The fractional content of the γ crystal form and fiber diameter decrease with use. These trends indicate that the measurement of such properties and structural parameters, especially the length, provide a possible basis for establishing a reliable, rapid, and convenient nondestructive characterization method to predict the remaining service life of nylon 6 ropes.

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