Comparison of fatigue crack growth rate of selective laser sintered RapidSteel via computational fracture mechanics
The fatigue-crack growth behavior of materials manufactured by means of selective laser sintering was studied. In the process, specimens were prepared from metal powders (316 steel) into the desired shape by additive manufacturing technology, followed by sintering and infiltration in a suitable molt...
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| Veröffentlicht in: | International journal of materials research 2014-06, Vol.105 (6), p.552-556 |
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| container_title | International journal of materials research |
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| creator | Okyar, Ali Fethi Uzunsoy, Deniz Ozsoy, Burak |
| description | The fatigue-crack growth behavior of materials manufactured by means of selective laser sintering was studied. In the process, specimens were prepared from metal powders (316 steel) into the desired shape by additive manufacturing technology, followed by sintering and infiltration in a suitable molten metal. The latter process was aimed at eliminating the inherent porosity associated with powder metallurgy. Porosity is known to adversely affect the fatigue-crack growth rate behavior of powder metallurgy components. Carefully conducted fatigue-crack growth rate tests (single-edge-notch four-point bending type) were carried out on RapidSteel
and the results were compared with data of infiltrated low carbon steel in the literature. Finite element analysis was carried out as an intermediate step in order to validate the geometry factor calculations provided by empirical formulae. It was found that the fracture resistance of RapidSteel was higher compared with low-carbon copper infiltrated steel tempered at 177 °C and 428 °C, and same as that tempered at 704 °C. |
| doi_str_mv | 10.3139/146.111076 |
| format | Article |
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and the results were compared with data of infiltrated low carbon steel in the literature. Finite element analysis was carried out as an intermediate step in order to validate the geometry factor calculations provided by empirical formulae. It was found that the fracture resistance of RapidSteel was higher compared with low-carbon copper infiltrated steel tempered at 177 °C and 428 °C, and same as that tempered at 704 °C.</description><identifier>ISSN: 1862-5282</identifier><identifier>EISSN: 2195-8556</identifier><identifier>DOI: 10.3139/146.111076</identifier><language>eng</language><publisher>Munich: De Gruyter</publisher><subject>Applied sciences ; Austenitic stainless steels ; Bending fatigue ; Exact sciences and technology ; Fatigue ; Fatigue failure ; Fatigue-crack growth rate ; Finite element analysis ; Fracture mechanics ; Fractures ; Infiltration ; Materials selection ; Mathematical analysis ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; Porosity ; Powder metallurgy ; Powder metallurgy. Composite materials ; Production techniques ; Selective laser sintering ; Sintered metals and alloys. Pseudo alloys. Cermets ; Steels</subject><ispartof>International journal of materials research, 2014-06, Vol.105 (6), p.552-556</ispartof><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2962-9781cd5e566d94550dd8e5684d16efaf303f2d4d34608b0d062534c101095ca93</citedby><cites>FETCH-LOGICAL-c2962-9781cd5e566d94550dd8e5684d16efaf303f2d4d34608b0d062534c101095ca93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.degruyter.com/document/doi/10.3139/146.111076/pdf$$EPDF$$P50$$Gwalterdegruyter$$H</linktopdf><linktohtml>$$Uhttps://www.degruyter.com/document/doi/10.3139/146.111076/html$$EHTML$$P50$$Gwalterdegruyter$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,66497,68281</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28527805$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Okyar, Ali Fethi</creatorcontrib><creatorcontrib>Uzunsoy, Deniz</creatorcontrib><creatorcontrib>Ozsoy, Burak</creatorcontrib><title>Comparison of fatigue crack growth rate of selective laser sintered RapidSteel via computational fracture mechanics</title><title>International journal of materials research</title><description>The fatigue-crack growth behavior of materials manufactured by means of selective laser sintering was studied. In the process, specimens were prepared from metal powders (316 steel) into the desired shape by additive manufacturing technology, followed by sintering and infiltration in a suitable molten metal. The latter process was aimed at eliminating the inherent porosity associated with powder metallurgy. Porosity is known to adversely affect the fatigue-crack growth rate behavior of powder metallurgy components. Carefully conducted fatigue-crack growth rate tests (single-edge-notch four-point bending type) were carried out on RapidSteel
and the results were compared with data of infiltrated low carbon steel in the literature. Finite element analysis was carried out as an intermediate step in order to validate the geometry factor calculations provided by empirical formulae. It was found that the fracture resistance of RapidSteel was higher compared with low-carbon copper infiltrated steel tempered at 177 °C and 428 °C, and same as that tempered at 704 °C.</description><subject>Applied sciences</subject><subject>Austenitic stainless steels</subject><subject>Bending fatigue</subject><subject>Exact sciences and technology</subject><subject>Fatigue</subject><subject>Fatigue failure</subject><subject>Fatigue-crack growth rate</subject><subject>Finite element analysis</subject><subject>Fracture mechanics</subject><subject>Fractures</subject><subject>Infiltration</subject><subject>Materials selection</subject><subject>Mathematical analysis</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>Porosity</subject><subject>Powder metallurgy</subject><subject>Powder metallurgy. Composite materials</subject><subject>Production techniques</subject><subject>Selective laser sintering</subject><subject>Sintered metals and alloys. Pseudo alloys. 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Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>Porosity</topic><topic>Powder metallurgy</topic><topic>Powder metallurgy. Composite materials</topic><topic>Production techniques</topic><topic>Selective laser sintering</topic><topic>Sintered metals and alloys. Pseudo alloys. 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In the process, specimens were prepared from metal powders (316 steel) into the desired shape by additive manufacturing technology, followed by sintering and infiltration in a suitable molten metal. The latter process was aimed at eliminating the inherent porosity associated with powder metallurgy. Porosity is known to adversely affect the fatigue-crack growth rate behavior of powder metallurgy components. Carefully conducted fatigue-crack growth rate tests (single-edge-notch four-point bending type) were carried out on RapidSteel
and the results were compared with data of infiltrated low carbon steel in the literature. Finite element analysis was carried out as an intermediate step in order to validate the geometry factor calculations provided by empirical formulae. It was found that the fracture resistance of RapidSteel was higher compared with low-carbon copper infiltrated steel tempered at 177 °C and 428 °C, and same as that tempered at 704 °C.</abstract><cop>Munich</cop><pub>De Gruyter</pub><doi>10.3139/146.111076</doi><tpages>5</tpages></addata></record> |
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| ispartof | International journal of materials research, 2014-06, Vol.105 (6), p.552-556 |
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| subjects | Applied sciences Austenitic stainless steels Bending fatigue Exact sciences and technology Fatigue Fatigue failure Fatigue-crack growth rate Finite element analysis Fracture mechanics Fractures Infiltration Materials selection Mathematical analysis Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Porosity Powder metallurgy Powder metallurgy. Composite materials Production techniques Selective laser sintering Sintered metals and alloys. Pseudo alloys. Cermets Steels |
| title | Comparison of fatigue crack growth rate of selective laser sintered RapidSteel via computational fracture mechanics |
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