... 6, 1986, p 363 30 M.-L Lu and F.-C Chang, Polymer, Vol 36, 1995, p 2541 31 Z Zhou, J.D Landes, and D.D Huang, Polym Eng Sci., Vol 34, 1994, p 128 32 M.-L Lu, C.-B Lee, and F.-C Chang, Polym Eng ... p 1440 36 C.-B Lee, M.-L Lu, and F.-C Chang, J Appl Polym Sci., Vol 47, 1993, p 1867 37 M.-L Lu and F.-C Chang, J Appl Polym Sci., Vol 56, 1995, p 1065 38 B.M Rimnac, T.W Wright, and R.W Klein, ... three- and four-point flexure are allowed in certain outer and inner support spans, again, as contained in both the ASTM and JIS standards (Fig 8) Also, as contained in the ASTM and JIS standards,...