منابع مشابه
Electrochemical activation of commercial polyacrylonitrile-based carbon fiber for the oxygen reduction reaction.
Nitrogen (N)-doped carbon and its non-noble metal composite replacing platinum-based oxygen reduction reaction (ORR) electrocatalysts still have some fundamental problems that remain. Here the micron-sized commercial polyacrylonitrile-based carbon fiber (PAN-CF) electrode was modified using an electrochemical method, converting its inherent pyridinic-N into 2-pyridone (or 2-hydroxyl pyridine) f...
متن کاملMultiwall Carbon Nanotube Reinforcement of Polyacrylonitrile Fibers
Aligning multiwall carbon nanotubes (MWNTs) with the direction of load is desirable for maximizing tensile reinforcement in composites. This has been accomplished by spinning composite fibers containing MWNTs[1]. The shear and elongational flow fields inherent to fiber processing cause the MWNTs to align with the fiber axis. Efficient stress transfer from the matrix to the MWNTs is also a cruci...
متن کاملPolyacrylonitrile Single-Walled Carbon Nanotube Composite Fibers
! " # $ @ %&' ( ) * " + , * -" + , " ( ) . / %0' " *1 ) ( # , 23 4 5 63 3"3 ) , 1 # 3 3 7 77 89* : ; 6 3 6 -" <=3) 3 1 4" + > " ( ) > * # 3 ) 61 *1 1 4 , 1 # > 1 9 ? 6 3# "63 ,@ AA $ 89* : %0' ( 3 44 66; *1 ) 4? 1 4 / 3 6 4 *#63 " 63 3"3 ) , 1 # " A7 A %&&' , 6 B B 6 6"== 3 4 # 3 C)) 1 ) ? > 6 1 8 D D D E$A: 3 1 6 1 4 3 5 1 C) ) 1 ) *1 3 ) 1 > 6 1 85 FE D D D A 4 5 FE D 7D D : *"== 3 3 > 1 9 ? ...
متن کاملFABRICATION OF CARBON FIBERS FROM COMMERCIAL WET SPIN POLYACRYLONITRILE FIBERS
Carbon fibers are fabricated from different materials such as special polyacrylonitrile (PAN) fibers, cellulose fibers and pitch. But PAN fibers are recognized as the most widely used precursor for the present-day manufacture of carbon fibers. The process of fabrication carbon fibers from special PAN fibers is composed of two steps including oxidative stabilization at low temperature and carbon...
متن کاملHybrid Composites Based on Carbon Fiber/Carbon Nanofilament Reinforcement
Carbon nanofilament and nanotubes (CNTs) have shown promise for enhancing the mechanical properties of fiber-reinforced composites (FRPs) and imparting multi-functionalities to them. While direct mixing of carbon nanofilaments with the polymer matrix in FRPs has several drawbacks, a high volume of uniform nanofilaments can be directly grown on fiber surfaces prior to composite fabrication. This...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: TANSO
سال: 2007
ISSN: 1884-5495,0371-5345
DOI: 10.7209/tanso.2007.115