Test Protocol for Single-Fiber Fragmentation Test International Round Robin Donald Hunston, Walter McDonough, Gale Holmes and Richard Parnas National Institute of Standards and Technology Polymers Division 100 Bureau Drive, Stop 8543 Gaithersburg, MD 20899-8543 Lawrence Drzal, and Michael Rich Michigan State University Composite Materials and Structures Center 2100 Engineering Bldg. East Lansing, MI 48824-1326 !! " # $%&' ( )!$**+$%&' ,- . / 0# 0 ) !! 1 "2 1 , &$$)&+ ')3 0 +( 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 " 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 # 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ) 4## 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ) ( 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 5( 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 +, 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 6 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ' ' & & 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 7 , 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 7 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 , 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 , 5( "6 # 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 5 , 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 & & % % % 3 # 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 ( - 8# # 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 9 4##8 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 $ 4##8 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 * " 8# # - - - # (-2 5 - # # - - 6 # # 2 4 # ! # 2 8# ( - # . # #2 # (6 ( 2 0 : # 6 ;: ( (< 8# ( - = 8# # - >2 4 # # ( 2 ( # 8# # ( # ( 2 # - ( ## . ( #2 6# # ( 2 . ( # # (2 ( ( ( # - 2 " # ( 6 - # 2 # 2 ( - ( 8 # (? 8 2 ( - - ( @ # (2 ( - # ( # 8 (2 # 2 4 ( (6 # ( 2 5 # ( ( (+ 8 - 2 4 (6 - (2 2 - 8 - ( (6 ( 8# ( (- A) - ( (2 ( 2 B + # ( ( ( - ( 2 - # ( ( 2 " . ( - ### # (2 # - 5 2 # ## # - 2 4 ( # ( # ( ( # ( - - ( 8 2 ( # # # - -2 # ( # #( (2 ( # )% 8 )% # = > - # # # ( C # ( #2 # 2 2 # ( ( - ( # ( => #2 # 4+& ( ( # ( #+4 #8 = 1# $)$> - +# 2 " # 6 # 2 ( ( - ## =$!! !!! >2 # ( + ( # (-2 ( ( # =( 2% > - D% (2 ( # ( - D 2 " - # #. ( ( (6 # 2 4 ## E+F #. # = 5 )>2 ( #( # 9 G = % G ( >2 ) # # ( 2 4 ,I 8 # 2 ( (6 - + # ,I : 2 # ( #. (- ( #2 ( ( # # C , H - # ( #2 - (H # ( :## - -6 )!8 (H 2 (6 # ( )%!8 %!!8 #(2 # ( (6 (2 # 8( (2 ## #. # - #2 # - ( ( (2 # - (6 = 5 '>2 ( :## - # ##8 ## #2 4 # # ( 2 4 ( # # (2 6 . ## - # # 2 # 8# # # ( # # 2 4 # ( 2 4 ( ( ( 2 ! ( ( ( # - ( # # 2 I # 8# # - C # - - #. #? ( ( # - 2 ' # # 2 ( 2 ( ( - 8 ( #2 0 ( # H # ( # 8#2 4##8 ( 2 # - - : # ( # ( 8# 2 4 # 2 " #" ! # - ## + - 8#2 5 8# # 8 - # 2 4 - ( (6 # ( - - - 2 B - #( # 6 # ( 2 F 6 ( (6 2 6 - - # # =( ) & # >2 6 (-2 4 - ( (6 #2 ( ## - (6 2 # #(2 $! # 8#2 ( # # : . #2 # # # # 2 2 - # 6 # ( # 6 ( ( : ( # 2 6 # ( ( - 2 # @ ( - ( 2 % #! 8# ( 6 6 ( ## 2 :## - +-2 ## ## ( 2 B ## -2 4 # ( # 6 # - # 2 & # # # - H ( 8 = #. > (6 2 # . 2 4 ## ( # # # 82 # - 8 - # # # ( - #2 6 # ( ( #2 ( # ( . #2 % ! B . 8 # 6 . 2 # 6 ( - # 2 # &' ! # - - # - ( # - 82 . ## - # 2 ( - 2 1 # ( ( !2) G 2 - - ( ( # - ( + # - ##8 !2) G 2 5 # ( !2!* '%A !!!! 2 1 ( ! 2 # ## # 2 6 . # 2 6- H 8 # # ( !2) G2 - # - 6 # 2 J !2) G 8 #2 4 $ # ( (6 2 (6 - ( ( - (- 2) G 2$ G2 4 ! # 8 ( ## #2 2 # - !23 G (6 2 # ( (- ' G % G2 B ( ( =B (6 >2 # # :# (6 - ( 2 ##8 8# ( ( ' G - % # = %! 2> # : . 2 , % G - : )% # =)%! 2> # . 2 # $ ! 4 - ( ( # ( 2 ( # - (6 2 # = % (C # - ( (6 ( (2 4 - ( - #. - # " #. # # #2 > - (6 2 4 )%!8 #2 # 6 #. - ## ( 6 H ( - ( 2 6 (6 - #. - 2 ( (6 ( - ( ( 2 8 (6 ( ( # - + #. # 6 - ( ( ( - # - (6 =5 &>2 # 2 # - (- #. 8 (62 # #. # # -2 / ( ( ( ( ( 2 # # ( (6 (2 ( # # (6 =5 '>2 #"! 4 # ( (6 ( 2 # # :## - ( # ( # 2 4 (2 4 (6 # ( ( 2 5 6 ( ## ( - 8# : ( 3 2 B . 8# ( ( 2 - ( ( - ( ( 2 4 - ( ( ## # - - 6 . - - ##2 # - ( @ ( - ( (2 ( # 2 4 # # 4##8 2 F - 6 # #2 4 = 18 *9> 6 - - 2 # - 8# - # ( # ( # 2 # # - (6 - : 2 # ( - ## ( #2 ## # ( (6 #. ( - =K !!8> =K&!!8> 2 6 - - ( ## ( -2 B 8# - ( 8#2 # ( # ( 2 0 : - - 6 . ( ( 6- - - # 2 )" *" " + ! # # # (6 ( # ( - C = > # =)> # ='> ## # ( (6 =&> # - 8# - # # ( = ( #> =%> . # 2 : # ## 2 !! " 2 # $%&' ( )!$**+$%&' 9 + # (- ( #2 4 5 - ( 2 - ( - "2 # ( ( # ( - - (2 ,C - # # # ( 2 - # 4 ( 2 # " 2 $ + -- # LLLLLLLLLLLLLLLLLLLL 5( => LLLLLLLLLLLLL LLLLLLLLLLLLL LLLLLLLLLLLLL LLLLLLLLLLLLL LLLLLLLLLLLLL LLLLLLLLLLLLL ,(LLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLL # =0>LLLLLLLLLLLLL =G>LLLLLLLLL 4 =>LLLLLLLLLLLLL / =μ>LLLLLLLLLLLLL .-/0 , ( "6 .1 / .-/0 ( ( 5 => =G> "6 => =G> "6 => => ! LLLL!LL LLL!LL 3$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL $ LLLLLLL LLLLLL 9$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL $ LLLLLLL LLLLLL $$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL )$ LLLLLLL LLLLLL *$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL '$ LLLLLLL LLLLLL )!$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL &$ LLLLLLL LLLLLL ) $ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL %$ LLLLLLL LLLLLL ))$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL 3$ LLLLLLL LLLLLL )'$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL 9$ LLLLLLL LLLLLL )&$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL $$ LLLLLLL LLLLLL )%$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL *$ LLLLLLL LLLLLL )3$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL !$ LLLLLLL LLLLLL )9$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL $ LLLLLLL LLLLLL )$$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL )$ LLLLLLL LLLLLL )*$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL '$ LLLLLLL LLLLLL '!$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL &$ LLLLLLL LLLLLL ' $ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL %$ LLLLLLL LLLLLL ')$ LLLLLLL LLLLLLL LLLLLLLLLL LLLLLLLLLL LLLLLLLLLL LLLLLLLLLL - 6 - # # ( :# # 2 * 1 # LLLLLLLLLLLLLLLLLL ,( LLLLLLLLLLLLLLLLLLLL " # - 8# - # = # :#> LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL B C !
© Copyright 2026 Paperzz