Variation of elastic mechanical properties with texture, porosity, and defect characteristics in laser powder bed fusion 316L stainless steel
Elastic mechanical properties of 316 L stainless steel samples fabricated using laser powder bed fusion were studied non-destructively through resonant ultrasound spectroscopy. Samples in five different conditions were obtained by varying the laser power from 103 W (the highest density condition) to...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2019-08, Vol.763 (C), p.138032, Article 138032 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Garlea, E. Choo, H. Sluss, C.C. Koehler, M.R. Bridges, R.L. Xiao, X. Ren, Y. Jared, B.H. |
| description | Elastic mechanical properties of 316 L stainless steel samples fabricated using laser powder bed fusion were studied non-destructively through resonant ultrasound spectroscopy. Samples in five different conditions were obtained by varying the laser power from 103 W (the highest density condition) to 68 W (the lowest density condition) at constant laser speed, producing samples with a volume energy density in the 24.5–16.5 J/mm3 range and volumetric porosity in the 0.1–10% range. The observed elastic mechanical properties are discussed taking into consideration the bulk texture developed and quantitative pore characteristics studied using high-energy high-resolution synchrotron X-ray diffraction and X-ray computed micro-tomography, respectively. Furthermore, empirical exponential relationships are provided to express the functional dependence of Young's and shear moduli with porosity. |
| doi_str_mv | 10.1016/j.msea.2019.138032 |
| format | Article |
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(BNL), Upton, NY (United States) ; Argonne National Lab. (ANL), Argonne, IL (United States)</creatorcontrib><description>Elastic mechanical properties of 316 L stainless steel samples fabricated using laser powder bed fusion were studied non-destructively through resonant ultrasound spectroscopy. Samples in five different conditions were obtained by varying the laser power from 103 W (the highest density condition) to 68 W (the lowest density condition) at constant laser speed, producing samples with a volume energy density in the 24.5–16.5 J/mm3 range and volumetric porosity in the 0.1–10% range. The observed elastic mechanical properties are discussed taking into consideration the bulk texture developed and quantitative pore characteristics studied using high-energy high-resolution synchrotron X-ray diffraction and X-ray computed micro-tomography, respectively. Furthermore, empirical exponential relationships are provided to express the functional dependence of Young's and shear moduli with porosity.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2019.138032</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Austenitic stainless steels ; Dependence ; Elastic mechanical properties ; Elastic properties ; Flux density ; Laser powder bed fusion ; Lasers ; MATERIALS SCIENCE ; Mechanical properties ; Porosity ; Porosity and texture ; Powder beds ; Rapid prototyping ; Resonant ultrasound spectroscopy (RUS) ; Shear modulus ; Stainless steel ; Synchrotron radiation ; Texture ; X ray microtomography ; X-ray synchrotron micro-tomography and diffraction</subject><ispartof>Materials science & engineering. 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(BNL), Upton, NY (United States)</creatorcontrib><creatorcontrib>Argonne National Lab. (ANL), Argonne, IL (United States)</creatorcontrib><title>Variation of elastic mechanical properties with texture, porosity, and defect characteristics in laser powder bed fusion 316L stainless steel</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>Elastic mechanical properties of 316 L stainless steel samples fabricated using laser powder bed fusion were studied non-destructively through resonant ultrasound spectroscopy. Samples in five different conditions were obtained by varying the laser power from 103 W (the highest density condition) to 68 W (the lowest density condition) at constant laser speed, producing samples with a volume energy density in the 24.5–16.5 J/mm3 range and volumetric porosity in the 0.1–10% range. The observed elastic mechanical properties are discussed taking into consideration the bulk texture developed and quantitative pore characteristics studied using high-energy high-resolution synchrotron X-ray diffraction and X-ray computed micro-tomography, respectively. Furthermore, empirical exponential relationships are provided to express the functional dependence of Young's and shear moduli with porosity.</description><subject>Austenitic stainless steels</subject><subject>Dependence</subject><subject>Elastic mechanical properties</subject><subject>Elastic properties</subject><subject>Flux density</subject><subject>Laser powder bed fusion</subject><subject>Lasers</subject><subject>MATERIALS SCIENCE</subject><subject>Mechanical properties</subject><subject>Porosity</subject><subject>Porosity and texture</subject><subject>Powder beds</subject><subject>Rapid prototyping</subject><subject>Resonant ultrasound spectroscopy (RUS)</subject><subject>Shear modulus</subject><subject>Stainless steel</subject><subject>Synchrotron radiation</subject><subject>Texture</subject><subject>X ray microtomography</subject><subject>X-ray synchrotron micro-tomography and diffraction</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9UUFu2zAQJIoEqOv0Az0R7TVyuaREUUAuRZA2AQz0kuRKUNQKpiGTDkk38SP651JQzzntHmZmZ3YI-QJsAwzk9_3mkNBsOINuA0IxwT-QFahWVHUn5AVZsY5D1bBOfCSfUtozxqBmzYr8fTbRmeyCp2GkOJmUnaUHtDvjnTUTPcZwxJgdJvrq8o5mfMuniNf0GGJILp-vqfEDHXBEm2mhRWMzRjfrJOo8LZIYC_p1KKPHgY6nNJ8TILc0ZeP8hCmVDXG6IpejmRJ-_j_X5Onn3ePtfbX9_evh9se2sqLrcsW5agAEsNZyxVupVNPLQYq-VQx5Jy2XtQHVj9woU1ts7Agl_ygb0xsprFiTr4tuKDZ1si6XwDZ4XzJoaFomJS-gbwuovODlhCnrfThFX3xpzrsWQNWiLSi-oGx5R4o46mN0BxPPGpieu9F7PXej52700k0h3SwkLCH_OIyzB_QWBxdnC0Nw79H_Aa-YmJ0</recordid><startdate>20190819</startdate><enddate>20190819</enddate><creator>Garlea, E.</creator><creator>Choo, H.</creator><creator>Sluss, C.C.</creator><creator>Koehler, M.R.</creator><creator>Bridges, R.L.</creator><creator>Xiao, X.</creator><creator>Ren, Y.</creator><creator>Jared, B.H.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>OIOZB</scope><scope>OTOTI</scope></search><sort><creationdate>20190819</creationdate><title>Variation of elastic mechanical properties with texture, porosity, and defect characteristics in laser powder bed fusion 316L stainless steel</title><author>Garlea, E. ; Choo, H. ; Sluss, C.C. ; Koehler, M.R. ; Bridges, R.L. ; Xiao, X. ; Ren, Y. ; Jared, B.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-2285113107c28276885b6d63b780e296c264a18bf2a8a4ce5cf1921f65aba63c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Austenitic stainless steels</topic><topic>Dependence</topic><topic>Elastic mechanical properties</topic><topic>Elastic properties</topic><topic>Flux density</topic><topic>Laser powder bed fusion</topic><topic>Lasers</topic><topic>MATERIALS SCIENCE</topic><topic>Mechanical properties</topic><topic>Porosity</topic><topic>Porosity and texture</topic><topic>Powder beds</topic><topic>Rapid prototyping</topic><topic>Resonant ultrasound spectroscopy (RUS)</topic><topic>Shear modulus</topic><topic>Stainless steel</topic><topic>Synchrotron radiation</topic><topic>Texture</topic><topic>X ray microtomography</topic><topic>X-ray synchrotron micro-tomography and diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Garlea, E.</creatorcontrib><creatorcontrib>Choo, H.</creatorcontrib><creatorcontrib>Sluss, C.C.</creatorcontrib><creatorcontrib>Koehler, M.R.</creatorcontrib><creatorcontrib>Bridges, R.L.</creatorcontrib><creatorcontrib>Xiao, X.</creatorcontrib><creatorcontrib>Ren, Y.</creatorcontrib><creatorcontrib>Jared, B.H.</creatorcontrib><creatorcontrib>Brookhaven National Lab. (BNL), Upton, NY (United States)</creatorcontrib><creatorcontrib>Argonne National Lab. (ANL), Argonne, IL (United States)</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Garlea, E.</au><au>Choo, H.</au><au>Sluss, C.C.</au><au>Koehler, M.R.</au><au>Bridges, R.L.</au><au>Xiao, X.</au><au>Ren, Y.</au><au>Jared, B.H.</au><aucorp>Brookhaven National Lab. (BNL), Upton, NY (United States)</aucorp><aucorp>Argonne National Lab. (ANL), Argonne, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Variation of elastic mechanical properties with texture, porosity, and defect characteristics in laser powder bed fusion 316L stainless steel</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2019-08-19</date><risdate>2019</risdate><volume>763</volume><issue>C</issue><spage>138032</spage><pages>138032-</pages><artnum>138032</artnum><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>Elastic mechanical properties of 316 L stainless steel samples fabricated using laser powder bed fusion were studied non-destructively through resonant ultrasound spectroscopy. Samples in five different conditions were obtained by varying the laser power from 103 W (the highest density condition) to 68 W (the lowest density condition) at constant laser speed, producing samples with a volume energy density in the 24.5–16.5 J/mm3 range and volumetric porosity in the 0.1–10% range. The observed elastic mechanical properties are discussed taking into consideration the bulk texture developed and quantitative pore characteristics studied using high-energy high-resolution synchrotron X-ray diffraction and X-ray computed micro-tomography, respectively. Furthermore, empirical exponential relationships are provided to express the functional dependence of Young's and shear moduli with porosity.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2019.138032</doi><oa>free_for_read</oa></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Austenitic stainless steels Dependence Elastic mechanical properties Elastic properties Flux density Laser powder bed fusion Lasers MATERIALS SCIENCE Mechanical properties Porosity Porosity and texture Powder beds Rapid prototyping Resonant ultrasound spectroscopy (RUS) Shear modulus Stainless steel Synchrotron radiation Texture X ray microtomography X-ray synchrotron micro-tomography and diffraction |
| title | Variation of elastic mechanical properties with texture, porosity, and defect characteristics in laser powder bed fusion 316L stainless steel |
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