Bending fracture rule for 3D-printed curved continuous-fiber composite

2018 ◽  
Vol 28 (4) ◽  
pp. 383-395 ◽  
Author(s):  
Kouki Ishii ◽  
Akira Todoroki ◽  
Yoshihiro Mizutani ◽  
Yoshiro Suzuki ◽  
Yoichiro Koga ◽  
...  
2019 ◽  
Vol 45 (4) ◽  
pp. 164-170
Author(s):  
Kouki ISHII ◽  
Akira TODOROKI ◽  
Yoshihiro MIZUTANI ◽  
Yoshiro SUZUKI ◽  
Yoichiro KOGA ◽  
...  

2000 ◽  
Vol 183-187 ◽  
pp. 1141-1146
Author(s):  
Jun Qian Zhang ◽  
K.P. Herrmann ◽  
Xiang Guo Zeng

1995 ◽  
Vol 117 (4) ◽  
pp. 501-507 ◽  
Author(s):  
K. Ramani ◽  
A. K. Miller ◽  
M. R. Cutkosky

Conventionally, large components made of thermoplastic matrices and continuous fibers are manufactured in autoclaves using dies. As the applications of composite materials increase, there is a need to reduce costs and increase manufacturing flexibility. This need has led to the development of a new concept called “die-less forming”. The concept of “kinematically admissible bending” is central to the concept of die-less forming. The concepts behind die-less forming have been tested in preliminary experiments on a two-roller demonstration machine. Induction heating was used to locally heat the composite as it moved into the forming zone, where it was bent using a specially designed cluster roller. Induction heating combined with a variable velocity profile was successful in establishing a uniform heating profile. Experiments were conducted for multidirectional APC-2 carbon/PEEK fiber composites and the composite bending behavior was explained using energy methods.


1991 ◽  
Vol 17 (4) ◽  
pp. 277-293 ◽  
Author(s):  
David J. Thomas ◽  
Robert C. Wetherhold

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