Effect of Temperature History During Additive Manufacturing on Crystalline Morphology of Polyether Ether Ketone
Additive manufacturing parameters of high-performance polymers greatly affect the thermal history and consequently quality of the end-part. For fused deposition modeling (FDM), this may include printing speed, filament size, nozzle, and chamber temperatures, as well as build plate temperature. In th...
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| description | Additive manufacturing parameters of high-performance polymers greatly affect the thermal history and consequently quality of the end-part. For fused deposition modeling (FDM), this may include printing speed, filament size, nozzle, and chamber temperatures, as well as build plate temperature. In this study, the effect of thermal convection inside a commercial 3D printer on thermal history and crystalline morphology of polyetheretherketone (PEEK) was investigated using a combined experimental and numerical approach. Using digital scanning calorimetry (DSC) and polarized optical microscopy (POM), crystallinity of PEEK samples was studied as a function of thermal history. In addition, using finite element (FE) simulations of heat transfer, which were calibrated using thermocouple measurements, thermal history of parts during virtual 3D printing was evaluated. By correlating the experimental and numerical results, the effect of printing parameters and convection on thermal history and PEEK crystalline morphology was established. It was found that the high melting temperature of PEEK, results in fast melt cooling rates followed by short annealing times during printing, leading to relatively low degree of crystallinity (DOC) and small crystalline morphology. |
| doi_str_mv | 10.48550/arxiv.2109.04506 |
| format | Article |
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For fused deposition modeling (FDM), this may include printing speed, filament size, nozzle, and chamber temperatures, as well as build plate temperature. In this study, the effect of thermal convection inside a commercial 3D printer on thermal history and crystalline morphology of polyetheretherketone (PEEK) was investigated using a combined experimental and numerical approach. Using digital scanning calorimetry (DSC) and polarized optical microscopy (POM), crystallinity of PEEK samples was studied as a function of thermal history. In addition, using finite element (FE) simulations of heat transfer, which were calibrated using thermocouple measurements, thermal history of parts during virtual 3D printing was evaluated. By correlating the experimental and numerical results, the effect of printing parameters and convection on thermal history and PEEK crystalline morphology was established. It was found that the high melting temperature of PEEK, results in fast melt cooling rates followed by short annealing times during printing, leading to relatively low degree of crystallinity (DOC) and small crystalline morphology.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2109.04506</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Additive manufacturing ; Cooling rate ; Crystal structure ; Crystallinity ; Degree of crystallinity ; Free convection ; Fused deposition modeling ; Manufacturing ; Melt temperature ; Morphology ; Optical microscopy ; Parameters ; Physics - Applied Physics ; Polyether ether ketones ; Temperature ; Temperature effects ; Thermocouples ; Three dimensional printing</subject><ispartof>arXiv.org, 2021-09</ispartof><rights>2021. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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It was found that the high melting temperature of PEEK, results in fast melt cooling rates followed by short annealing times during printing, leading to relatively low degree of crystallinity (DOC) and small crystalline morphology.</description><subject>Additive manufacturing</subject><subject>Cooling rate</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Degree of crystallinity</subject><subject>Free convection</subject><subject>Fused deposition modeling</subject><subject>Manufacturing</subject><subject>Melt temperature</subject><subject>Morphology</subject><subject>Optical microscopy</subject><subject>Parameters</subject><subject>Physics - Applied Physics</subject><subject>Polyether ether ketones</subject><subject>Temperature</subject><subject>Temperature effects</subject><subject>Thermocouples</subject><subject>Three dimensional printing</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><sourceid>GOX</sourceid><recordid>eNotkE1Lw0AQhhdBsNT-AE8ueE7c7Ec-jiVGK1YU7D1sktl2S5qNm00x_75p4mFmYObhZXgQegiIz2MhyLO0f_rs04AkPuGChDdoQRkLvJhTeodWXXckhNAwokKwBTKZUlA6bBTewakFK11vAW9054wd8EtvdbPH66rSTp8Bf8qmV7J089o0OLVD52Rd62Y8GtseTG32wzXu29QDuANYnE39A5xp4B7dKll3sPqfS_Tzmu3Sjbf9entP11tPCsq9EiqRFCFAAkkYqVgkjDMlSFBUJcSMVFyUYQxRIYASKSUHEsqSjXylkgjYEj3OqZOMvLX6JO2QX6Xkk5SReJqJ1prfHjqXH01vm_GlnIqIsrECzi5pT2dR</recordid><startdate>20210913</startdate><enddate>20210913</enddate><creator>Lee, Austin</creator><creator>Wynn, Mathew</creator><creator>Quigley, Liam</creator><creator>Salviato, Marco</creator><creator>Zobeiry, Navid</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PHGZM</scope><scope>PHGZT</scope><scope>PIMPY</scope><scope>PKEHL</scope><scope>PQEST</scope><scope>PQGLB</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20210913</creationdate><title>Effect of Temperature History During Additive Manufacturing on Crystalline Morphology of Polyether Ether Ketone</title><author>Lee, Austin ; 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For fused deposition modeling (FDM), this may include printing speed, filament size, nozzle, and chamber temperatures, as well as build plate temperature. In this study, the effect of thermal convection inside a commercial 3D printer on thermal history and crystalline morphology of polyetheretherketone (PEEK) was investigated using a combined experimental and numerical approach. Using digital scanning calorimetry (DSC) and polarized optical microscopy (POM), crystallinity of PEEK samples was studied as a function of thermal history. In addition, using finite element (FE) simulations of heat transfer, which were calibrated using thermocouple measurements, thermal history of parts during virtual 3D printing was evaluated. By correlating the experimental and numerical results, the effect of printing parameters and convection on thermal history and PEEK crystalline morphology was established. 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| subjects | Additive manufacturing Cooling rate Crystal structure Crystallinity Degree of crystallinity Free convection Fused deposition modeling Manufacturing Melt temperature Morphology Optical microscopy Parameters Physics - Applied Physics Polyether ether ketones Temperature Temperature effects Thermocouples Three dimensional printing |
| title | Effect of Temperature History During Additive Manufacturing on Crystalline Morphology of Polyether Ether Ketone |
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