Raman Spectroscopy for the Nondestructive Testing of Carbon Fiber

Table 1

Physical properties of carbon fibers tested.

Fiber type	Tensile modulus		Tensile strength		Elongation	Density
	GPa	Msi	MPa	Ksi	%	g/cm^3
Nippon (pitch)
YS-95A	900	131	3530	510	0.3	2.19
CN-90	860	125	3430	500	0.4	2.19
CN-80	780	114	3430	500	0.5	2.17
CN-60	620	90	3430	500	0.6	2.12
Toray (PAN)
T700	230	33.4	4900	711	2.1	1.80
T1000	294	42.7	6370	924	2.2	1.80