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Zhang W, Kuang T, Liu H, Lai J, Yu Z, Liu B, Jiang Q. Numerical and experimental investigations on the mechanism of flow‐induced fiber orientation in short‐shot water‐assisted injection‐molded short‐glass‐fiber‐reinforced polypropylene. J Appl Polym Sci 2022. [DOI: 10.1002/app.52359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Wei Zhang
- Jiangxi Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
| | - Tang‐qing Kuang
- School of Mechatronics and Vehicle Engineering East China Jiao Tong University Nanchang China
| | - He‐sheng Liu
- Jiangxi Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
- School of Mechatronics and Vehicle Engineering East China Jiao Tong University Nanchang China
| | - Jia‐mei Lai
- Jiangxi Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
| | - Zhong Yu
- Jiangxi Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
| | - Bang‐xiong Liu
- Jiangxi Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
| | - Qing‐song Jiang
- School of Mechanical and Electronic Engineering East China University of Technology Nanchang China
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2
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Zhang W, Kuang TQ, Liu HS, Lai JM, Han JK, Jiang QS, Wan ZH. Improved process moldability and part quality of short-glass–fiber-reinforced polypropylene via overflow short-shot water-assisted injection molding. JOURNAL OF POLYMER ENGINEERING 2022. [DOI: 10.1515/polyeng-2021-0217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Water-assisted injection molding (WAIM) is a promising molding process developed based on conventional injection molding (CIM). It has been a research hotspot in recent years and is still receiving extensive attention from many scholars and industries because of its significant potential advantages in practical applications. However, compared with CIM, since the additional water-related parameters are involved, the process moldability of thermoplastics is significantly reduced, especially for fiber-reinforced thermoplastics, which stunts the development of WAIM process. In this work, short-shot WAIM with an overflow cavity (OSSWAIM) was developed to address the problems and broaden the application scope of WAIMs. The results showed that compared with overflow WAIM (OWAIM) and short-shot WAIM (SSWAIM), OSSWAIM could significantly improve the process moldability and part quality of fiber-reinforced thermoplastics, especially for thermoplastic composites with a high fiber weight fraction. Besides, it was also found that water penetration had a slight influence on the fiber orientation near the water inlet, but had a significant influence on the fiber orientation near the end of mold cavity. Finally, three processing parameters affecting the water penetration, i.e., water pressure, melt temperature, and water injection delay time were investigated in terms of their influences on the fiber orientation within OSSWAIM.
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Affiliation(s)
- Wei Zhang
- Jiangxi Key Laboratory of High-Performance Precision Molding, Polymer Processing Research Laboratory, Nanchang University , Nanchang 330031 , China
| | - Tang-qing Kuang
- School of Mechatronics and Vehicle Engineering, East China Jiao Tong University , Nanchang 330013 , China
| | - He-sheng Liu
- Jiangxi Key Laboratory of High-Performance Precision Molding, Polymer Processing Research Laboratory, Nanchang University , Nanchang 330031 , China
- School of Mechatronics and Vehicle Engineering, East China Jiao Tong University , Nanchang 330013 , China
- School of Mechanical and Electronic Engineering, Jiangxi Province Key Laboratory of Polymer Micro/Nanomanufacturing and Devices, East China University of Technology , Nanchang 330013 , China
| | - Jia-mei Lai
- Jiangxi Key Laboratory of High-Performance Precision Molding, Polymer Processing Research Laboratory, Nanchang University , Nanchang 330031 , China
| | - Ji-kai Han
- Qingdao Campus of Naval Aviation University , Qingdao 266041 , China
| | - Qing-song Jiang
- School of Mechanical and Electronic Engineering, Jiangxi Province Key Laboratory of Polymer Micro/Nanomanufacturing and Devices, East China University of Technology , Nanchang 330013 , China
| | - Zhi-hui Wan
- School of Mechanical and Electronic Engineering, Jiangxi Province Key Laboratory of Polymer Micro/Nanomanufacturing and Devices, East China University of Technology , Nanchang 330013 , China
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3
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Zhang W, Liu H, Jiang Q, Kuang T, Lai J, Huang X. Formation
mechanism of high‐pressure water penetration induced fiber orientation in overflow water‐assisted injection molded short glass fiber‐reinforced polypropylene. J Appl Polym Sci 2021. [DOI: 10.1002/app.50960] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Wei Zhang
- Jiangxi Province Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
| | - He‐sheng Liu
- Jiangxi Province Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
- School of chemical biology and material science, Jiangxi Province Key Laboratory of Polymer Micro/Nanomanufacturing and Devices East China University of Technology Nanchang China
| | - Qing‐song Jiang
- School of chemical biology and material science, Jiangxi Province Key Laboratory of Polymer Micro/Nanomanufacturing and Devices East China University of Technology Nanchang China
| | - Tang‐qing Kuang
- School of Mechatronics and Vehicle Engineering East China Jiao Tong University Nanchang China
| | - Jia‐mei Lai
- Jiangxi Province Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
| | - Xing‐yuan Huang
- Jiangxi Province Key Laboratory of High‐Performance Precision Molding, Polymer Processing Research Laboratory Nanchang University Nanchang China
- School of chemical biology and material science, Jiangxi Province Key Laboratory of Polymer Micro/Nanomanufacturing and Devices East China University of Technology Nanchang China
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4
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Xiang N, Zhang X, Zheng M, Ge Y, Wang T, Liu H, Maharaj C, Dear JP, Yan Y. Microstructure and tensile properties of injection molded thermoplastic polyurethane with different melt temperatures. J Appl Polym Sci 2020. [DOI: 10.1002/app.48891] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ning Xiang
- Beijing Institute of Aeronautical Materials, AECCBeijing Engineering Research Centre of Advanced Structural Transparencies for the Modern Traffic System Beijing 100095 China
| | - Xiaowen Zhang
- Beijing Institute of Aeronautical Materials, AECCBeijing Engineering Research Centre of Advanced Structural Transparencies for the Modern Traffic System Beijing 100095 China
| | - Mengyao Zheng
- Beijing Institute of Aeronautical Materials, AECCBeijing Engineering Research Centre of Advanced Structural Transparencies for the Modern Traffic System Beijing 100095 China
| | - Yong Ge
- Beijing Institute of Aeronautical Materials, AECCBeijing Engineering Research Centre of Advanced Structural Transparencies for the Modern Traffic System Beijing 100095 China
| | - Tao Wang
- Beijing Institute of Aeronautical Materials, AECCBeijing Engineering Research Centre of Advanced Structural Transparencies for the Modern Traffic System Beijing 100095 China
| | - Haibao Liu
- Department of Mechanical EngineeringImperial College London London SW7 2AZ United Kingdom
| | - Chris Maharaj
- Department of Mechanical and Manufacturing EngineeringThe University of the West Indies St. Augustine Trinidad and Tobago
| | - John P. Dear
- Department of Mechanical EngineeringImperial College London London SW7 2AZ United Kingdom
| | - Yue Yan
- Beijing Institute of Aeronautical Materials, AECCBeijing Engineering Research Centre of Advanced Structural Transparencies for the Modern Traffic System Beijing 100095 China
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5
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Zhang F, Liu X, Zheng G, Guo Z, Liu C, Shen C. Facile Route to Improve the Crystalline Memory Effect: Electrospun Composite Fiber and Annealing. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201800236] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Feifei Zhang
- National Engineering Research Center for Advanced Polymer Processing Technology; Zhengzhou University; Zhengzhou 450002 China
- College of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450001 China
- Integrated Composites Laboratory (ICL); Department of Chemical & Biomolecular Engineering; University of Tennessee; Knoxville TN 37996 USA
| | - Xianhu Liu
- National Engineering Research Center for Advanced Polymer Processing Technology; Zhengzhou University; Zhengzhou 450002 China
- Key Laboratory of Material Processing and Mold; Ministry of Education; Zhengzhou University; Zhengzhou 450002 China
| | - Guoqiang Zheng
- College of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450001 China
- Key Laboratory of Material Processing and Mold; Ministry of Education; Zhengzhou University; Zhengzhou 450002 China
| | - Zhanhu Guo
- Integrated Composites Laboratory (ICL); Department of Chemical & Biomolecular Engineering; University of Tennessee; Knoxville TN 37996 USA
| | - Chuntai Liu
- National Engineering Research Center for Advanced Polymer Processing Technology; Zhengzhou University; Zhengzhou 450002 China
- Key Laboratory of Material Processing and Mold; Ministry of Education; Zhengzhou University; Zhengzhou 450002 China
| | - Changyu Shen
- National Engineering Research Center for Advanced Polymer Processing Technology; Zhengzhou University; Zhengzhou 450002 China
- College of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450001 China
- Key Laboratory of Material Processing and Mold; Ministry of Education; Zhengzhou University; Zhengzhou 450002 China
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6
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Liu X, Pan Y, Zheng G, Liu C. Suppression of the hierarchical structure of water-assisted injection moulded iPP in the presence of a β-nucleating agent and lamellar branching of a β-crystal. RSC Adv 2016. [DOI: 10.1039/c6ra14921a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Unexpected lamellar branching of the β-crystal structure is observed in water-assisted injection molded iPP parts with a high content of β-nucleating agent.
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Affiliation(s)
- Xianhu Liu
- National Engineering Research Center for Advanced Polymer Processing Technology
- Zhengzhou University
- Zhengzhou
- China
- Institute of Polymer Materials
| | - Yamin Pan
- Institute of Polymer Materials
- Friedrich-Alexander University Erlangen Nuremberg
- 91058 Erlangen
- Germany
| | - Guoqiang Zheng
- National Engineering Research Center for Advanced Polymer Processing Technology
- Zhengzhou University
- Zhengzhou
- China
| | - Chuntai Liu
- National Engineering Research Center for Advanced Polymer Processing Technology
- Zhengzhou University
- Zhengzhou
- China
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7
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Liu X, Zhang C, Dai K, Zheng G, Liu C, Shen C. Unexpected molecular weight dependence of shish kebab in water-assisted injection molded HDPE. POLYM ADVAN TECHNOL 2012. [DOI: 10.1002/pat.3071] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xianhu Liu
- College of Materials Science and Engineering, The Key Laboratory of Advanced Materials Processing and Mold of Ministry of Education; Zhengzhou University; Zhengzhou; 450002; China
| | - Changyan Zhang
- College of Materials Science and Engineering, The Key Laboratory of Advanced Materials Processing and Mold of Ministry of Education; Zhengzhou University; Zhengzhou; 450002; China
| | - Kun Dai
- College of Materials Science and Engineering, The Key Laboratory of Advanced Materials Processing and Mold of Ministry of Education; Zhengzhou University; Zhengzhou; 450002; China
| | - Guoqiang Zheng
- College of Materials Science and Engineering, The Key Laboratory of Advanced Materials Processing and Mold of Ministry of Education; Zhengzhou University; Zhengzhou; 450002; China
| | - Chuntai Liu
- College of Materials Science and Engineering, The Key Laboratory of Advanced Materials Processing and Mold of Ministry of Education; Zhengzhou University; Zhengzhou; 450002; China
| | - Changyu Shen
- College of Materials Science and Engineering, The Key Laboratory of Advanced Materials Processing and Mold of Ministry of Education; Zhengzhou University; Zhengzhou; 450002; China
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