Process parameters appraisal of fabricating ceramic parts based on stereolithography using the Taguchi method
In this work, the influences of stereolithography parameters (laser scanning speed, sliced layer thickness, laser spot compensation, etc.) and sintering schemes, consisting of sintering temperature, heating rate and holding time on the performance of green and final ceramic parts, have been investig...
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| Veröffentlicht in: | Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture Journal of engineering manufacture, 2012-07, Vol.226 (7), p.1249-1258 |
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| container_title | Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture |
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| creator | Chen, Zhangwei Li, Dichen Zhou, Weizhao |
| description | In this work, the influences of stereolithography parameters (laser scanning speed, sliced layer thickness, laser spot compensation, etc.) and sintering schemes, consisting of sintering temperature, heating rate and holding time on the performance of green and final ceramic parts, have been investigated experimentally with the Taguchi method. In the stereolithography process, laser spot compensation was found to be the principal factor influencing the shrinkage of green samples. Optimum stereolithography parameters were obtained: hatch spacing 0.15 mm; laser scanning speed 1400 mm/s; sliced layer thickness 0.15 mm; and laser spot compensation 0.35 mm. A freeze-drying method was applied to minimize the drying shrinkage and avoid damages during the dehydration process of green samples. The optimum sintering scheme was also determined: heating rate 150 °C/h, sintering temperature 1200 °C and holding time 2 h. A bending strength of at least 10 MPa and open porosity of 35% were reached, making the ceramics adequate to produce investment casting molds. |
| doi_str_mv | 10.1177/0954405412442607 |
| format | Article |
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In the stereolithography process, laser spot compensation was found to be the principal factor influencing the shrinkage of green samples. Optimum stereolithography parameters were obtained: hatch spacing 0.15 mm; laser scanning speed 1400 mm/s; sliced layer thickness 0.15 mm; and laser spot compensation 0.35 mm. A freeze-drying method was applied to minimize the drying shrinkage and avoid damages during the dehydration process of green samples. The optimum sintering scheme was also determined: heating rate 150 °C/h, sintering temperature 1200 °C and holding time 2 h. A bending strength of at least 10 MPa and open porosity of 35% were reached, making the ceramics adequate to produce investment casting molds.</description><identifier>ISSN: 0954-4054</identifier><identifier>EISSN: 2041-2975</identifier><identifier>DOI: 10.1177/0954405412442607</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Applied sciences ; Ceramics ; Compensation ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Heating ; Heating rate ; Lasers ; Materials science ; Materials synthesis; materials processing ; Mechanical engineering. Machine design ; Offset printing ; Physics ; Shrinkage ; Sintering ; Sintering (powder metallurgy) ; Stereolithography ; Taguchi methods ; Temperature</subject><ispartof>Proceedings of the Institution of Mechanical Engineers. 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Part B, Journal of engineering manufacture</title><description>In this work, the influences of stereolithography parameters (laser scanning speed, sliced layer thickness, laser spot compensation, etc.) and sintering schemes, consisting of sintering temperature, heating rate and holding time on the performance of green and final ceramic parts, have been investigated experimentally with the Taguchi method. In the stereolithography process, laser spot compensation was found to be the principal factor influencing the shrinkage of green samples. Optimum stereolithography parameters were obtained: hatch spacing 0.15 mm; laser scanning speed 1400 mm/s; sliced layer thickness 0.15 mm; and laser spot compensation 0.35 mm. A freeze-drying method was applied to minimize the drying shrinkage and avoid damages during the dehydration process of green samples. The optimum sintering scheme was also determined: heating rate 150 °C/h, sintering temperature 1200 °C and holding time 2 h. A bending strength of at least 10 MPa and open porosity of 35% were reached, making the ceramics adequate to produce investment casting molds.</description><subject>Applied sciences</subject><subject>Ceramics</subject><subject>Compensation</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Heating</subject><subject>Heating rate</subject><subject>Lasers</subject><subject>Materials science</subject><subject>Materials synthesis; materials processing</subject><subject>Mechanical engineering. Machine design</subject><subject>Offset printing</subject><subject>Physics</subject><subject>Shrinkage</subject><subject>Sintering</subject><subject>Sintering (powder metallurgy)</subject><subject>Stereolithography</subject><subject>Taguchi methods</subject><subject>Temperature</subject><issn>0954-4054</issn><issn>2041-2975</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp1kEtLxDAUhYMoOD72LgMiuKnm1ddSxBcIutB1uc3cTjN0mprbLvz3pswgMmAg5ML5zrnhMHYhxY2UeX4rytQYkRqpjFGZyA_YQgkjE1Xm6SFbzHIy68fshGgt4sm1XrDNe_AWifgAATY4YiAOwxDAEXTcN7yBOjgLo-tX3GJknJ3ZkXgNhEvue07Rhb5zY-tXAYb2m08042OL_ANWk20dj9GtX56xowY6wvPde8o-Hx8-7p-T17enl_u718TqXI1JJkqtoETV5BbqTKe61EuNTVNIrEUp42AgzUxRFAqtlCYztVBQpFpgibLUp-x6mzsE_zUhjdXGkcWugx79RJXUSqvYjEojermHrv0U-vi7SgqVx2uUiZTYUjZ4ooBNNQS3gfAdoWruv9rvP1qudsFAFromQG8d_fpUJnVWaBG5ZMsRrPDv8n9yfwDiv5HI</recordid><startdate>20120701</startdate><enddate>20120701</enddate><creator>Chen, Zhangwei</creator><creator>Li, Dichen</creator><creator>Zhou, Weizhao</creator><general>SAGE Publications</general><general>Sage Publications</general><general>SAGE PUBLICATIONS, INC</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>7QQ</scope><scope>JG9</scope></search><sort><creationdate>20120701</creationdate><title>Process parameters appraisal of fabricating ceramic parts based on stereolithography using the Taguchi method</title><author>Chen, Zhangwei ; Li, Dichen ; Zhou, Weizhao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c372t-60932a9e2f7cab635393d3eff81eb091ff84a5648882ec11464b02a8530e9e193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>Ceramics</topic><topic>Compensation</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Heating</topic><topic>Heating rate</topic><topic>Lasers</topic><topic>Materials science</topic><topic>Materials synthesis; materials processing</topic><topic>Mechanical engineering. Machine design</topic><topic>Offset printing</topic><topic>Physics</topic><topic>Shrinkage</topic><topic>Sintering</topic><topic>Sintering (powder metallurgy)</topic><topic>Stereolithography</topic><topic>Taguchi methods</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Zhangwei</creatorcontrib><creatorcontrib>Li, Dichen</creatorcontrib><creatorcontrib>Zhou, Weizhao</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Ceramic Abstracts</collection><collection>Materials Research Database</collection><jtitle>Proceedings of the Institution of Mechanical Engineers. 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A freeze-drying method was applied to minimize the drying shrinkage and avoid damages during the dehydration process of green samples. The optimum sintering scheme was also determined: heating rate 150 °C/h, sintering temperature 1200 °C and holding time 2 h. A bending strength of at least 10 MPa and open porosity of 35% were reached, making the ceramics adequate to produce investment casting molds.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><doi>10.1177/0954405412442607</doi><tpages>10</tpages></addata></record> |
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| subjects | Applied sciences Ceramics Compensation Cross-disciplinary physics: materials science rheology Exact sciences and technology Heating Heating rate Lasers Materials science Materials synthesis materials processing Mechanical engineering. Machine design Offset printing Physics Shrinkage Sintering Sintering (powder metallurgy) Stereolithography Taguchi methods Temperature |
| title | Process parameters appraisal of fabricating ceramic parts based on stereolithography using the Taguchi method |
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