Selective laser melting of hypereutectic Al-Si40-powder using ultra-short laser pulses
We investigate the use of ultra-short laser pulses for the selective melting of Al-Si40-powder to fabricate complex light-weight structures with wall sizes below 100 μ m combined with higher tensile strength and lower thermal expansion coefficient in comparison to standard Al–Si alloys. During the c...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2017-12, Vol.123 (12), p.1-6, Article 798 |
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| container_title | Applied physics. A, Materials science & processing |
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| creator | Ullsperger, T. Matthäus, G. Kaden, L. Engelhardt, H. Rettenmayr, M. Risse, S. Tünnermann, A. Nolte, S. |
| description | We investigate the use of ultra-short laser pulses for the selective melting of Al-Si40-powder to fabricate complex light-weight structures with wall sizes below
100
μ
m
combined with higher tensile strength and lower thermal expansion coefficient in comparison to standard Al–Si alloys. During the cooling process using conventional techniques, large primary silicon particles are formed which impairs the mechanical and thermal properties. We demonstrate that these limitations can be overcome using ultra-short laser pulses enabling the rapid heating and cooling in a non-thermal equilibrium process. We analyze the morphology characteristics and micro-structures of single tracks and thin-walled structures depending on pulse energy, repetition rate and scanning velocity utilizing pulses with a duration of
500
fs
at a wavelength of
1030
nm
. The possibility to specifically change and optimize the microstructure is shown. |
| doi_str_mv | 10.1007/s00339-017-1337-z |
| format | Article |
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100
μ
m
combined with higher tensile strength and lower thermal expansion coefficient in comparison to standard Al–Si alloys. During the cooling process using conventional techniques, large primary silicon particles are formed which impairs the mechanical and thermal properties. We demonstrate that these limitations can be overcome using ultra-short laser pulses enabling the rapid heating and cooling in a non-thermal equilibrium process. We analyze the morphology characteristics and micro-structures of single tracks and thin-walled structures depending on pulse energy, repetition rate and scanning velocity utilizing pulses with a duration of
500
fs
at a wavelength of
1030
nm
. The possibility to specifically change and optimize the microstructure is shown.</description><identifier>ISSN: 0947-8396</identifier><identifier>EISSN: 1432-0630</identifier><identifier>DOI: 10.1007/s00339-017-1337-z</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aluminum base alloys ; Applied physics ; Characterization and Evaluation of Materials ; Condensed Matter Physics ; Cooling ; Laser beam heating ; Laser beam melting ; Laser cooling ; Lasers ; Machines ; Manufacturing ; Materials science ; Nanotechnology ; Optical and Electronic Materials ; Physics ; Physics and Astronomy ; Processes ; Rapid Communication ; Surfaces and Interfaces ; Thermal expansion ; Thermodynamic properties ; Thin Films ; Thin wall structures ; Weight reduction</subject><ispartof>Applied physics. A, Materials science & processing, 2017-12, Vol.123 (12), p.1-6, Article 798</ispartof><rights>The Author(s) 2017</rights><rights>Copyright Springer Nature B.V. 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-b1d6eb456452e29966a8b623b7d6303529497f5e62434435f258a3728ef01daa3</citedby><cites>FETCH-LOGICAL-c359t-b1d6eb456452e29966a8b623b7d6303529497f5e62434435f258a3728ef01daa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00339-017-1337-z$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00339-017-1337-z$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,27915,27916,41479,42548,51310</link.rule.ids></links><search><creatorcontrib>Ullsperger, T.</creatorcontrib><creatorcontrib>Matthäus, G.</creatorcontrib><creatorcontrib>Kaden, L.</creatorcontrib><creatorcontrib>Engelhardt, H.</creatorcontrib><creatorcontrib>Rettenmayr, M.</creatorcontrib><creatorcontrib>Risse, S.</creatorcontrib><creatorcontrib>Tünnermann, A.</creatorcontrib><creatorcontrib>Nolte, S.</creatorcontrib><title>Selective laser melting of hypereutectic Al-Si40-powder using ultra-short laser pulses</title><title>Applied physics. A, Materials science & processing</title><addtitle>Appl. Phys. A</addtitle><description>We investigate the use of ultra-short laser pulses for the selective melting of Al-Si40-powder to fabricate complex light-weight structures with wall sizes below
100
μ
m
combined with higher tensile strength and lower thermal expansion coefficient in comparison to standard Al–Si alloys. During the cooling process using conventional techniques, large primary silicon particles are formed which impairs the mechanical and thermal properties. We demonstrate that these limitations can be overcome using ultra-short laser pulses enabling the rapid heating and cooling in a non-thermal equilibrium process. We analyze the morphology characteristics and micro-structures of single tracks and thin-walled structures depending on pulse energy, repetition rate and scanning velocity utilizing pulses with a duration of
500
fs
at a wavelength of
1030
nm
. The possibility to specifically change and optimize the microstructure is shown.</description><subject>Aluminum base alloys</subject><subject>Applied physics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Condensed Matter Physics</subject><subject>Cooling</subject><subject>Laser beam heating</subject><subject>Laser beam melting</subject><subject>Laser cooling</subject><subject>Lasers</subject><subject>Machines</subject><subject>Manufacturing</subject><subject>Materials science</subject><subject>Nanotechnology</subject><subject>Optical and Electronic Materials</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Processes</subject><subject>Rapid Communication</subject><subject>Surfaces and Interfaces</subject><subject>Thermal expansion</subject><subject>Thermodynamic properties</subject><subject>Thin Films</subject><subject>Thin wall structures</subject><subject>Weight reduction</subject><issn>0947-8396</issn><issn>1432-0630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp1kE1Lw0AQhhdRsFZ_gLeA59XZj2yyx1L8goKHqtdlk0zalDSJu4nS_no3pAcvzmUG5nnfGV5CbhncM4DkwQMIoSmwhDIhEno8IzMmBaegBJyTGWiZ0FRodUmuvN9BKMn5jHyusca8r74xqq1HF-2x7qtmE7VltD106HDox30eLWq6riTQrv0pAjf4kRrq3lnqt63rT_puqD36a3JR2jDcnPqcfDw9vi9f6Ort-XW5WNFcxLqnGSsUZjJWMubItVbKppniIkuK8LaIuZY6KWNUXAopRVzyOLUi4SmWwAprxZzcTb6da78G9L3ZtYNrwknDtEpBQcp1oNhE5a713mFpOlftrTsYBmaMz0zxmRCfGeMzx6Dhk8YHttmg--P8r-gXulFySg</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Ullsperger, T.</creator><creator>Matthäus, G.</creator><creator>Kaden, L.</creator><creator>Engelhardt, H.</creator><creator>Rettenmayr, M.</creator><creator>Risse, S.</creator><creator>Tünnermann, A.</creator><creator>Nolte, S.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20171201</creationdate><title>Selective laser melting of hypereutectic Al-Si40-powder using ultra-short laser pulses</title><author>Ullsperger, T. ; Matthäus, G. ; Kaden, L. ; Engelhardt, H. ; Rettenmayr, M. ; Risse, S. ; Tünnermann, A. ; Nolte, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-b1d6eb456452e29966a8b623b7d6303529497f5e62434435f258a3728ef01daa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aluminum base alloys</topic><topic>Applied physics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Condensed Matter Physics</topic><topic>Cooling</topic><topic>Laser beam heating</topic><topic>Laser beam melting</topic><topic>Laser cooling</topic><topic>Lasers</topic><topic>Machines</topic><topic>Manufacturing</topic><topic>Materials science</topic><topic>Nanotechnology</topic><topic>Optical and Electronic Materials</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Processes</topic><topic>Rapid Communication</topic><topic>Surfaces and Interfaces</topic><topic>Thermal expansion</topic><topic>Thermodynamic properties</topic><topic>Thin Films</topic><topic>Thin wall structures</topic><topic>Weight reduction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ullsperger, T.</creatorcontrib><creatorcontrib>Matthäus, G.</creatorcontrib><creatorcontrib>Kaden, L.</creatorcontrib><creatorcontrib>Engelhardt, H.</creatorcontrib><creatorcontrib>Rettenmayr, M.</creatorcontrib><creatorcontrib>Risse, S.</creatorcontrib><creatorcontrib>Tünnermann, A.</creatorcontrib><creatorcontrib>Nolte, S.</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>CrossRef</collection><jtitle>Applied physics. A, Materials science & processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ullsperger, T.</au><au>Matthäus, G.</au><au>Kaden, L.</au><au>Engelhardt, H.</au><au>Rettenmayr, M.</au><au>Risse, S.</au><au>Tünnermann, A.</au><au>Nolte, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Selective laser melting of hypereutectic Al-Si40-powder using ultra-short laser pulses</atitle><jtitle>Applied physics. A, Materials science & processing</jtitle><stitle>Appl. Phys. A</stitle><date>2017-12-01</date><risdate>2017</risdate><volume>123</volume><issue>12</issue><spage>1</spage><epage>6</epage><pages>1-6</pages><artnum>798</artnum><issn>0947-8396</issn><eissn>1432-0630</eissn><abstract>We investigate the use of ultra-short laser pulses for the selective melting of Al-Si40-powder to fabricate complex light-weight structures with wall sizes below
100
μ
m
combined with higher tensile strength and lower thermal expansion coefficient in comparison to standard Al–Si alloys. During the cooling process using conventional techniques, large primary silicon particles are formed which impairs the mechanical and thermal properties. We demonstrate that these limitations can be overcome using ultra-short laser pulses enabling the rapid heating and cooling in a non-thermal equilibrium process. We analyze the morphology characteristics and micro-structures of single tracks and thin-walled structures depending on pulse energy, repetition rate and scanning velocity utilizing pulses with a duration of
500
fs
at a wavelength of
1030
nm
. The possibility to specifically change and optimize the microstructure is shown.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00339-017-1337-z</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Applied physics. A, Materials science & processing, 2017-12, Vol.123 (12), p.1-6, Article 798 |
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| subjects | Aluminum base alloys Applied physics Characterization and Evaluation of Materials Condensed Matter Physics Cooling Laser beam heating Laser beam melting Laser cooling Lasers Machines Manufacturing Materials science Nanotechnology Optical and Electronic Materials Physics Physics and Astronomy Processes Rapid Communication Surfaces and Interfaces Thermal expansion Thermodynamic properties Thin Films Thin wall structures Weight reduction |
| title | Selective laser melting of hypereutectic Al-Si40-powder using ultra-short laser pulses |
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