Development of Manufacturing Technique for Titanium Powder Modeling by Indirect Selective Laser Sintering and Magnesium Infiltration
A manufacturing technique for the modeling of titanium powder by indirect selective laser sintering (SLS) and magnesium infiltration was developed. The modeling powder used for the indirect SLS was prepared by coating 1.1 mass% nylon with titanium powder particles and then mixing 1.9 mass% phenol re...
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| Veröffentlicht in: | Journal of the Japan Institute of Metals and Materials 2012, Vol.76(8), pp.515-520 |
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| container_title | Journal of the Japan Institute of Metals and Materials |
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| creator | Yamaguchi, Atsushi Gotoh, Kohji Tomita, Tomoki Fukumoto, Shinji |
| description | A manufacturing technique for the modeling of titanium powder by indirect selective laser sintering (SLS) and magnesium infiltration was developed. The modeling powder used for the indirect SLS was prepared by coating 1.1 mass% nylon with titanium powder particles and then mixing 1.9 mass% phenol resin powder ( |
| doi_str_mv | 10.2320/jinstmet.76.515 |
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The modeling powder used for the indirect SLS was prepared by coating 1.1 mass% nylon with titanium powder particles and then mixing 1.9 mass% phenol resin powder (<10 µm). The hardness of the modeling powder at 477 K was greater than that of A90 (durometer type A), and it was suitable for indirect SLS modeling. While the amounts of resin (nylon and phenol) were equal in both methods, unlike the use of nylon coating and phenol resin powder, which resulted in the formation of a sufficiently hard titanium powder, the use of nylon resin powder and phenol resin powder resulted in the formation of an insufficiently hard titanium powder. The titanium powder preform and a magnesium ingot were then heated at 973 K, and the dense composite, consisting of titanium particles and infiltrated magnesium, was fabricated by the self-activation of the infiltrated molten magnesium. Microstructure analyses of the composites titanium, magnesium, and titanium-carbide (TiC) were conducted by XRD. We concluded that the formation of TiC was attributed to the formation of titanium and carbon during the decomposition of the phenol resin. The density, hardness, and tensile strength of the obtained composites are 3.2, 60 HRB, and 241 MPa, respectively. The tensile strengths of the composites are significantly higher than those of the cast magnesium (106 MPa). We believe that a large increase in the tensile strength after infiltration was due to the sintered behavior of the titanium powder and the densification of magnesium infiltration. Thus, the infiltration of magnesium into the titanium powder preform can be considered as an effective method for manufacturing lightweight composites.</description><identifier>ISSN: 0021-4876</identifier><identifier>EISSN: 1880-6880</identifier><identifier>DOI: 10.2320/jinstmet.76.515</identifier><language>eng ; jpn</language><publisher>Sendai: The Japan Institute of Metals and Materials</publisher><subject>capillary action ; Densification ; Hardness ; Infiltration ; Ingot casting ; Laser sintering ; Magnesium ; Manufacturing ; Modelling ; Nylon ; Nylons ; Particulate composites ; Phenol ; Phenols ; Polyamide resins ; Polymers ; rapid prototyping ; Resins ; selective laser sintering ; sintering ; Sintering (powder metallurgy) ; Tensile strength ; Titanium ; Titanium carbide ; titanium powder</subject><ispartof>Journal of the Japan Institute of Metals and Materials, 2012, Vol.76(8), pp.515-520</ispartof><rights>2012 The Japan Institute of Metals and Materials</rights><rights>Copyright Japan Science and Technology Agency 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c402t-7145d5c863469d4bfedbf31d0957628faa775ec7dafe35ea8314290877ffe46c3</citedby><cites>FETCH-LOGICAL-c402t-7145d5c863469d4bfedbf31d0957628faa775ec7dafe35ea8314290877ffe46c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1881,27923,27924</link.rule.ids></links><search><creatorcontrib>Yamaguchi, Atsushi</creatorcontrib><creatorcontrib>Gotoh, Kohji</creatorcontrib><creatorcontrib>Tomita, Tomoki</creatorcontrib><creatorcontrib>Fukumoto, Shinji</creatorcontrib><title>Development of Manufacturing Technique for Titanium Powder Modeling by Indirect Selective Laser Sintering and Magnesium Infiltration</title><title>Journal of the Japan Institute of Metals and Materials</title><addtitle>J. Japan Inst. Metals and Materials</addtitle><description>A manufacturing technique for the modeling of titanium powder by indirect selective laser sintering (SLS) and magnesium infiltration was developed. The modeling powder used for the indirect SLS was prepared by coating 1.1 mass% nylon with titanium powder particles and then mixing 1.9 mass% phenol resin powder (<10 µm). The hardness of the modeling powder at 477 K was greater than that of A90 (durometer type A), and it was suitable for indirect SLS modeling. While the amounts of resin (nylon and phenol) were equal in both methods, unlike the use of nylon coating and phenol resin powder, which resulted in the formation of a sufficiently hard titanium powder, the use of nylon resin powder and phenol resin powder resulted in the formation of an insufficiently hard titanium powder. The titanium powder preform and a magnesium ingot were then heated at 973 K, and the dense composite, consisting of titanium particles and infiltrated magnesium, was fabricated by the self-activation of the infiltrated molten magnesium. Microstructure analyses of the composites titanium, magnesium, and titanium-carbide (TiC) were conducted by XRD. We concluded that the formation of TiC was attributed to the formation of titanium and carbon during the decomposition of the phenol resin. The density, hardness, and tensile strength of the obtained composites are 3.2, 60 HRB, and 241 MPa, respectively. The tensile strengths of the composites are significantly higher than those of the cast magnesium (106 MPa). We believe that a large increase in the tensile strength after infiltration was due to the sintered behavior of the titanium powder and the densification of magnesium infiltration. Thus, the infiltration of magnesium into the titanium powder preform can be considered as an effective method for manufacturing lightweight composites.</description><subject>capillary action</subject><subject>Densification</subject><subject>Hardness</subject><subject>Infiltration</subject><subject>Ingot casting</subject><subject>Laser sintering</subject><subject>Magnesium</subject><subject>Manufacturing</subject><subject>Modelling</subject><subject>Nylon</subject><subject>Nylons</subject><subject>Particulate composites</subject><subject>Phenol</subject><subject>Phenols</subject><subject>Polyamide resins</subject><subject>Polymers</subject><subject>rapid prototyping</subject><subject>Resins</subject><subject>selective laser sintering</subject><subject>sintering</subject><subject>Sintering (powder metallurgy)</subject><subject>Tensile strength</subject><subject>Titanium</subject><subject>Titanium carbide</subject><subject>titanium powder</subject><issn>0021-4876</issn><issn>1880-6880</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNpdkc1vEzEQxS0EElHomaslLlw2tXe9tvcI5aORUoHUcLYce5w62rWD7S3qnT-8DimV4DLvML_3NKOH0FtKVm3XksuDD7lMUFaCr3rav0ALKiVpeB0v0YKQljZMCv4aXeTsd4SQgVNOhgX6_QnuYYzHCULB0eEbHWanTZmTD3u8BXMX_M8ZsIsJb33Rwc8T_h5_WUj4JloYT9juAa-D9QlMwbcwVvH3gDc6V-jWhwJ_wnSwNX4fIJ8y1sH5sSRdfAxv0CunxwwXT7pEP7583l5dN5tvX9dXHzaNYaQtjaCst72RvGN8sGznwO5cRy0ZesFb6bQWogcjrHbQ9aBlR1k7ECmEc8C46Zbo_Tn3mGJ9Khc1-WxgHHWAOGdF25ZKzgWTFX33H3qIcwr1OkVZJzhr-6pLdHmmTIo5J3DqmPyk04OiRJ2KUX-LUYKrWkx1fDw7DrnoPTzzOhVvRviHl0-m56W500lB6B4Bq3qeIQ</recordid><startdate>20120801</startdate><enddate>20120801</enddate><creator>Yamaguchi, Atsushi</creator><creator>Gotoh, Kohji</creator><creator>Tomita, Tomoki</creator><creator>Fukumoto, Shinji</creator><general>The Japan Institute of Metals and Materials</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7QF</scope></search><sort><creationdate>20120801</creationdate><title>Development of Manufacturing Technique for Titanium Powder Modeling by Indirect Selective Laser Sintering and Magnesium Infiltration</title><author>Yamaguchi, Atsushi ; Gotoh, Kohji ; Tomita, Tomoki ; Fukumoto, Shinji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c402t-7145d5c863469d4bfedbf31d0957628faa775ec7dafe35ea8314290877ffe46c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2012</creationdate><topic>capillary action</topic><topic>Densification</topic><topic>Hardness</topic><topic>Infiltration</topic><topic>Ingot casting</topic><topic>Laser sintering</topic><topic>Magnesium</topic><topic>Manufacturing</topic><topic>Modelling</topic><topic>Nylon</topic><topic>Nylons</topic><topic>Particulate composites</topic><topic>Phenol</topic><topic>Phenols</topic><topic>Polyamide resins</topic><topic>Polymers</topic><topic>rapid prototyping</topic><topic>Resins</topic><topic>selective laser sintering</topic><topic>sintering</topic><topic>Sintering (powder metallurgy)</topic><topic>Tensile strength</topic><topic>Titanium</topic><topic>Titanium carbide</topic><topic>titanium powder</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yamaguchi, Atsushi</creatorcontrib><creatorcontrib>Gotoh, Kohji</creatorcontrib><creatorcontrib>Tomita, Tomoki</creatorcontrib><creatorcontrib>Fukumoto, Shinji</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Aluminium Industry Abstracts</collection><jtitle>Journal of the Japan Institute of Metals and Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yamaguchi, Atsushi</au><au>Gotoh, Kohji</au><au>Tomita, Tomoki</au><au>Fukumoto, Shinji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Development of Manufacturing Technique for Titanium Powder Modeling by Indirect Selective Laser Sintering and Magnesium Infiltration</atitle><jtitle>Journal of the Japan Institute of Metals and Materials</jtitle><addtitle>J. Japan Inst. Metals and Materials</addtitle><date>2012-08-01</date><risdate>2012</risdate><volume>76</volume><issue>8</issue><spage>515</spage><epage>520</epage><pages>515-520</pages><issn>0021-4876</issn><eissn>1880-6880</eissn><abstract>A manufacturing technique for the modeling of titanium powder by indirect selective laser sintering (SLS) and magnesium infiltration was developed. The modeling powder used for the indirect SLS was prepared by coating 1.1 mass% nylon with titanium powder particles and then mixing 1.9 mass% phenol resin powder (<10 µm). The hardness of the modeling powder at 477 K was greater than that of A90 (durometer type A), and it was suitable for indirect SLS modeling. While the amounts of resin (nylon and phenol) were equal in both methods, unlike the use of nylon coating and phenol resin powder, which resulted in the formation of a sufficiently hard titanium powder, the use of nylon resin powder and phenol resin powder resulted in the formation of an insufficiently hard titanium powder. The titanium powder preform and a magnesium ingot were then heated at 973 K, and the dense composite, consisting of titanium particles and infiltrated magnesium, was fabricated by the self-activation of the infiltrated molten magnesium. Microstructure analyses of the composites titanium, magnesium, and titanium-carbide (TiC) were conducted by XRD. We concluded that the formation of TiC was attributed to the formation of titanium and carbon during the decomposition of the phenol resin. The density, hardness, and tensile strength of the obtained composites are 3.2, 60 HRB, and 241 MPa, respectively. The tensile strengths of the composites are significantly higher than those of the cast magnesium (106 MPa). We believe that a large increase in the tensile strength after infiltration was due to the sintered behavior of the titanium powder and the densification of magnesium infiltration. Thus, the infiltration of magnesium into the titanium powder preform can be considered as an effective method for manufacturing lightweight composites.</abstract><cop>Sendai</cop><pub>The Japan Institute of Metals and Materials</pub><doi>10.2320/jinstmet.76.515</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | capillary action Densification Hardness Infiltration Ingot casting Laser sintering Magnesium Manufacturing Modelling Nylon Nylons Particulate composites Phenol Phenols Polyamide resins Polymers rapid prototyping Resins selective laser sintering sintering Sintering (powder metallurgy) Tensile strength Titanium Titanium carbide titanium powder |
| title | Development of Manufacturing Technique for Titanium Powder Modeling by Indirect Selective Laser Sintering and Magnesium Infiltration |
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