Servo-press thermoforming process of CF/PEEK pultruded rod head and damage behavior under head tensile loading
In this study, a novel carbon fiber reinforced thermoplastics (CFRTP) rod head servo-press thermoforming apparatus using two servo-press units and a ring-type heater in the die was developed. The CFRTP rod head was thermoformed using carbon fiber reinforced polyetheretherketone (CF/PEEK) round rod p...
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| Format: | Article |
| Language: | English |
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The Japan Society of Mechanical Engineers
2024-11-01
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| Series: | Mechanical Engineering Journal |
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| Online Access: | https://www.jstage.jst.go.jp/article/mej/11/6/11_24-00333/_pdf/-char/en |
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| author | Takeshi EGUCHI Mikitaka ITO Daiki TANABE Kazuaki NISHIYABU |
| author_facet | Takeshi EGUCHI Mikitaka ITO Daiki TANABE Kazuaki NISHIYABU |
| author_sort | Takeshi EGUCHI |
| collection | DOAJ |
| description | In this study, a novel carbon fiber reinforced thermoplastics (CFRTP) rod head servo-press thermoforming apparatus using two servo-press units and a ring-type heater in the die was developed. The CFRTP rod head was thermoformed using carbon fiber reinforced polyetheretherketone (CF/PEEK) round rod prepared by thermal pultrusion process. Thermoforming force and displacement during CF/PEEK rod head thermoforming and die clamping force and displacement of the concave die of lower die were controlled individually and precisely by upper and lower servo-press units and were monitored during CF/PEEK rod head thermoforming. Using this apparatus, the shape, dimensions, and density of CF/PEEK rod heads were measured by varying the thermoforming force, head shape (Flat type or Rosette type) and head height, and fiber orientation of the round rod. And the damage behavior was investigated from the load-displacement behavior in head tensile test and cross-sectional images of the heads before and after the test. As a result of thermoforming Flat and Rosette type CF/PEEK rod heads, Rosette type CF/PEEK rod head was more reproducible in head forming. The results of thermoforming by varying the thermoforming force showed that there is an optimal load for the head thermoforming. |
| format | Article |
| id | doaj-art-6f4e8125f4e141ee95a4e4e4c53e195b |
| institution | OA Journals |
| issn | 2187-9745 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | The Japan Society of Mechanical Engineers |
| record_format | Article |
| series | Mechanical Engineering Journal |
| spelling | doaj-art-6f4e8125f4e141ee95a4e4e4c53e195b2025-08-20T01:57:55ZengThe Japan Society of Mechanical EngineersMechanical Engineering Journal2187-97452024-11-0111624-0033324-0033310.1299/mej.24-00333mejServo-press thermoforming process of CF/PEEK pultruded rod head and damage behavior under head tensile loadingTakeshi EGUCHI0Mikitaka ITO1Daiki TANABE2Kazuaki NISHIYABU3Graduate School of Science and Engineering, Kindai UniversityGraduate School of Science and Engineering, Kindai UniversityDepartment of Mechanical Engineering, Kobe City College of TechnologyFaculty of Science and Engineering, Kindai UniversityIn this study, a novel carbon fiber reinforced thermoplastics (CFRTP) rod head servo-press thermoforming apparatus using two servo-press units and a ring-type heater in the die was developed. The CFRTP rod head was thermoformed using carbon fiber reinforced polyetheretherketone (CF/PEEK) round rod prepared by thermal pultrusion process. Thermoforming force and displacement during CF/PEEK rod head thermoforming and die clamping force and displacement of the concave die of lower die were controlled individually and precisely by upper and lower servo-press units and were monitored during CF/PEEK rod head thermoforming. Using this apparatus, the shape, dimensions, and density of CF/PEEK rod heads were measured by varying the thermoforming force, head shape (Flat type or Rosette type) and head height, and fiber orientation of the round rod. And the damage behavior was investigated from the load-displacement behavior in head tensile test and cross-sectional images of the heads before and after the test. As a result of thermoforming Flat and Rosette type CF/PEEK rod heads, Rosette type CF/PEEK rod head was more reproducible in head forming. The results of thermoforming by varying the thermoforming force showed that there is an optimal load for the head thermoforming.https://www.jstage.jst.go.jp/article/mej/11/6/11_24-00333/_pdf/-char/encarbon fiber reinforced polyetheretherketone (cf/peek)rod headservo-pressthermoformingdamage behavior |
| spellingShingle | Takeshi EGUCHI Mikitaka ITO Daiki TANABE Kazuaki NISHIYABU Servo-press thermoforming process of CF/PEEK pultruded rod head and damage behavior under head tensile loading Mechanical Engineering Journal carbon fiber reinforced polyetheretherketone (cf/peek) rod head servo-press thermoforming damage behavior |
| title | Servo-press thermoforming process of CF/PEEK pultruded rod head and damage behavior under head tensile loading |
| title_full | Servo-press thermoforming process of CF/PEEK pultruded rod head and damage behavior under head tensile loading |
| title_fullStr | Servo-press thermoforming process of CF/PEEK pultruded rod head and damage behavior under head tensile loading |
| title_full_unstemmed | Servo-press thermoforming process of CF/PEEK pultruded rod head and damage behavior under head tensile loading |
| title_short | Servo-press thermoforming process of CF/PEEK pultruded rod head and damage behavior under head tensile loading |
| title_sort | servo press thermoforming process of cf peek pultruded rod head and damage behavior under head tensile loading |
| topic | carbon fiber reinforced polyetheretherketone (cf/peek) rod head servo-press thermoforming damage behavior |
| url | https://www.jstage.jst.go.jp/article/mej/11/6/11_24-00333/_pdf/-char/en |
| work_keys_str_mv | AT takeshieguchi servopressthermoformingprocessofcfpeekpultrudedrodheadanddamagebehaviorunderheadtensileloading AT mikitakaito servopressthermoformingprocessofcfpeekpultrudedrodheadanddamagebehaviorunderheadtensileloading AT daikitanabe servopressthermoformingprocessofcfpeekpultrudedrodheadanddamagebehaviorunderheadtensileloading AT kazuakinishiyabu servopressthermoformingprocessofcfpeekpultrudedrodheadanddamagebehaviorunderheadtensileloading |