Creep properties of single crystal Ni-base superalloys (SX): A comparison between conventionally cast and additive manufactured CMSX-4 materials
The present work compares the microstructures and the creep properties of two types of single crystal Ni-base superalloy CMSX-4 materials (SXs). One was produced by conventional directional solidification Bridgman processing. The other was manufactured by selective electron beam melting (SEBM). The...
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container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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creator | Bürger, D. Parsa, A.B. Ramsperger, M. Körner, C. Eggeler, G. |
description | The present work compares the microstructures and the creep properties of two types of single crystal Ni-base superalloy CMSX-4 materials (SXs). One was produced by conventional directional solidification Bridgman processing. The other was manufactured by selective electron beam melting (SEBM). The microstructures of the two types of materials are compared with emphasis placed on the large (dendritic/interdendritic regions) and small scale (γ-matrix/γ′-precipitates) microstructural heterogeneities, which characterize SX microstructures and their evolution during processing, heat treatment and creep. It is shown that heat treated SEBM materials have creep properties, which match or even outperform those of conventionally processed SX materials. Creep properties were assessed using a miniature creep test technique where [001] miniature tensile creep specimens were tested in the high temperature/low stress (1050 °C, 160 MPa) and in the low temperature/high stress (850 °C, 600 MPa) creep regimes. The creep behavior is interpreted based on microstructural results, which were obtained using analytical scanning and transmission electron microscopy (SEM and TEM). |
doi_str_mv | 10.1016/j.msea.2019.138098 |
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One was produced by conventional directional solidification Bridgman processing. The other was manufactured by selective electron beam melting (SEBM). The microstructures of the two types of materials are compared with emphasis placed on the large (dendritic/interdendritic regions) and small scale (γ-matrix/γ′-precipitates) microstructural heterogeneities, which characterize SX microstructures and their evolution during processing, heat treatment and creep. It is shown that heat treated SEBM materials have creep properties, which match or even outperform those of conventionally processed SX materials. Creep properties were assessed using a miniature creep test technique where [001] miniature tensile creep specimens were tested in the high temperature/low stress (1050 °C, 160 MPa) and in the low temperature/high stress (850 °C, 600 MPa) creep regimes. 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A, Structural materials : properties, microstructure and processing, 2019-08, Vol.762, p.138098, Article 138098</ispartof><rights>2019 The Authors</rights><rights>Copyright Elsevier BV Aug 5, 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-9753fd8a47159adbdb3ef4b2ed36a28ca800660af173b5bf39ff6cc65b94adb33</citedby><cites>FETCH-LOGICAL-c372t-9753fd8a47159adbdb3ef4b2ed36a28ca800660af173b5bf39ff6cc65b94adb33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.msea.2019.138098$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Bürger, D.</creatorcontrib><creatorcontrib>Parsa, A.B.</creatorcontrib><creatorcontrib>Ramsperger, M.</creatorcontrib><creatorcontrib>Körner, C.</creatorcontrib><creatorcontrib>Eggeler, G.</creatorcontrib><title>Creep properties of single crystal Ni-base superalloys (SX): A comparison between conventionally cast and additive manufactured CMSX-4 materials</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>The present work compares the microstructures and the creep properties of two types of single crystal Ni-base superalloy CMSX-4 materials (SXs). One was produced by conventional directional solidification Bridgman processing. The other was manufactured by selective electron beam melting (SEBM). The microstructures of the two types of materials are compared with emphasis placed on the large (dendritic/interdendritic regions) and small scale (γ-matrix/γ′-precipitates) microstructural heterogeneities, which characterize SX microstructures and their evolution during processing, heat treatment and creep. It is shown that heat treated SEBM materials have creep properties, which match or even outperform those of conventionally processed SX materials. Creep properties were assessed using a miniature creep test technique where [001] miniature tensile creep specimens were tested in the high temperature/low stress (1050 °C, 160 MPa) and in the low temperature/high stress (850 °C, 600 MPa) creep regimes. The creep behavior is interpreted based on microstructural results, which were obtained using analytical scanning and transmission electron microscopy (SEM and TEM).</description><subject>Additive manufactured single crystal</subject><subject>Bridgman method</subject><subject>Creep</subject><subject>Creep tests</subject><subject>Crystal growth</subject><subject>Directional solidification</subject><subject>Directionally solidified single crystals</subject><subject>Electron beam melting</subject><subject>Heat treating</subject><subject>Heat treatment</subject><subject>High temperature</subject><subject>Microstructure</subject><subject>Ni-base single crystal superalloys</subject><subject>Nickel base alloys</subject><subject>Precipitates</subject><subject>Properties (attributes)</subject><subject>Single crystals</subject><subject>Superalloys</subject><subject>Tensile creep</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kM2KFDEUhYMo2I6-gKuAG11Um5_6i7gZGnUGRl2MwuzCreRG0lQnZZLqod_CRzZNu3Z14PCdy7mHkNecbTnj_fv99pARtoJxteVyZGp8QjZ8HGTTKtk_JRumBG86puRz8iLnPWOMt6zbkD-7hLjQJcUFU_GYaXQ0-_BrRmrSKReY6TffTJCR5rUyMM_xlOnb-4d3H-g1NfGwQPI5BjpheUQM1QpHDMXHUNkTNZALhWApWOuLPyI9QFgdmLImtHT39f6haatXMHmY80vyzFXBV__0ivz8_OnH7qa5-_7ldnd91xg5iNKooZPOjtAOvFNgJztJdO0k0MoexGhgZKzvGTg-yKmbnFTO9cb03aTaikt5Rd5c7tbXf6-Yi97HNdXKWQvJxrYXYhCVEhfKpJhzQqeX5A-QTpozfV5e7_V5eX1eXl-Wr6GPlxDW_kePSWfjMRi0PqEp2kb_v_hfwr2PMg</recordid><startdate>20190805</startdate><enddate>20190805</enddate><creator>Bürger, D.</creator><creator>Parsa, A.B.</creator><creator>Ramsperger, M.</creator><creator>Körner, C.</creator><creator>Eggeler, G.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190805</creationdate><title>Creep properties of single crystal Ni-base superalloys (SX): A comparison between conventionally cast and additive manufactured CMSX-4 materials</title><author>Bürger, D. ; Parsa, A.B. ; Ramsperger, M. ; Körner, C. ; Eggeler, G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c372t-9753fd8a47159adbdb3ef4b2ed36a28ca800660af173b5bf39ff6cc65b94adb33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Additive manufactured single crystal</topic><topic>Bridgman method</topic><topic>Creep</topic><topic>Creep tests</topic><topic>Crystal growth</topic><topic>Directional solidification</topic><topic>Directionally solidified single crystals</topic><topic>Electron beam melting</topic><topic>Heat treating</topic><topic>Heat treatment</topic><topic>High temperature</topic><topic>Microstructure</topic><topic>Ni-base single crystal superalloys</topic><topic>Nickel base alloys</topic><topic>Precipitates</topic><topic>Properties (attributes)</topic><topic>Single crystals</topic><topic>Superalloys</topic><topic>Tensile creep</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bürger, D.</creatorcontrib><creatorcontrib>Parsa, A.B.</creatorcontrib><creatorcontrib>Ramsperger, M.</creatorcontrib><creatorcontrib>Körner, C.</creatorcontrib><creatorcontrib>Eggeler, G.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</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>Bürger, D.</au><au>Parsa, A.B.</au><au>Ramsperger, M.</au><au>Körner, C.</au><au>Eggeler, G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Creep properties of single crystal Ni-base superalloys (SX): A comparison between conventionally cast and additive manufactured CMSX-4 materials</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2019-08-05</date><risdate>2019</risdate><volume>762</volume><spage>138098</spage><pages>138098-</pages><artnum>138098</artnum><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The present work compares the microstructures and the creep properties of two types of single crystal Ni-base superalloy CMSX-4 materials (SXs). One was produced by conventional directional solidification Bridgman processing. The other was manufactured by selective electron beam melting (SEBM). The microstructures of the two types of materials are compared with emphasis placed on the large (dendritic/interdendritic regions) and small scale (γ-matrix/γ′-precipitates) microstructural heterogeneities, which characterize SX microstructures and their evolution during processing, heat treatment and creep. It is shown that heat treated SEBM materials have creep properties, which match or even outperform those of conventionally processed SX materials. Creep properties were assessed using a miniature creep test technique where [001] miniature tensile creep specimens were tested in the high temperature/low stress (1050 °C, 160 MPa) and in the low temperature/high stress (850 °C, 600 MPa) creep regimes. The creep behavior is interpreted based on microstructural results, which were obtained using analytical scanning and transmission electron microscopy (SEM and TEM).</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2019.138098</doi><oa>free_for_read</oa></addata></record> |
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source | ScienceDirect Journals (5 years ago - present) |
subjects | Additive manufactured single crystal Bridgman method Creep Creep tests Crystal growth Directional solidification Directionally solidified single crystals Electron beam melting Heat treating Heat treatment High temperature Microstructure Ni-base single crystal superalloys Nickel base alloys Precipitates Properties (attributes) Single crystals Superalloys Tensile creep |
title | Creep properties of single crystal Ni-base superalloys (SX): A comparison between conventionally cast and additive manufactured CMSX-4 materials |
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