Tensile properties, strain rate sensitivity and failure mechanism of single crystal superalloys CMSX-4
The tensile behavior of single crystal superalloys CMSX-4 was investigated under different strain rates at room temperature. The objective of this study is to identify the strain rate sensitivity and understand the damage failure mechanism by checking stress-strain curves and microstructure of the d...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2020-04, Vol.782, p.139105, Article 139105 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Zhang, Hong Li, Peidong Gong, Xiufang Wang, Tianjian Li, Lang Liu, Yongjie Wang, Qingyuan |
| description | The tensile behavior of single crystal superalloys CMSX-4 was investigated under different strain rates at room temperature. The objective of this study is to identify the strain rate sensitivity and understand the damage failure mechanism by checking stress-strain curves and microstructure of the deformed sample. Experimental results show that the stress-strain curves including strain hardening behavior at both strain rates are different. The size of cleavage facets and dimples in the tensile fracture surface is related to the strain rates. The shearing lines cross through the γ matrix and γ' precipitates, which is related to the movement of dislocations. Then, Schmid factor and the damage failure mechanism during tensile tests are estimated and discussed. |
| doi_str_mv | 10.1016/j.msea.2020.139105 |
| format | Article |
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The objective of this study is to identify the strain rate sensitivity and understand the damage failure mechanism by checking stress-strain curves and microstructure of the deformed sample. Experimental results show that the stress-strain curves including strain hardening behavior at both strain rates are different. The size of cleavage facets and dimples in the tensile fracture surface is related to the strain rates. The shearing lines cross through the γ matrix and γ' precipitates, which is related to the movement of dislocations. Then, Schmid factor and the damage failure mechanism during tensile tests are estimated and discussed.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2020.139105</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Damage ; Dimpling ; Dislocation ; Dislocations ; Failure mechanism ; Failure mechanisms ; Fracture surfaces ; Nickel base alloys ; Precipitates ; Room temperature ; Shearing ; Single crystal superalloys ; Single crystals ; Strain analysis ; Strain hardening ; Strain rate sensitivity ; Stress-strain curves ; Stress-strain relationships ; Superalloys ; Tensile behavior ; Tensile properties ; Tensile tests</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>The tensile behavior of single crystal superalloys CMSX-4 was investigated under different strain rates at room temperature. The objective of this study is to identify the strain rate sensitivity and understand the damage failure mechanism by checking stress-strain curves and microstructure of the deformed sample. Experimental results show that the stress-strain curves including strain hardening behavior at both strain rates are different. The size of cleavage facets and dimples in the tensile fracture surface is related to the strain rates. The shearing lines cross through the γ matrix and γ' precipitates, which is related to the movement of dislocations. Then, Schmid factor and the damage failure mechanism during tensile tests are estimated and discussed.</description><subject>Damage</subject><subject>Dimpling</subject><subject>Dislocation</subject><subject>Dislocations</subject><subject>Failure mechanism</subject><subject>Failure mechanisms</subject><subject>Fracture surfaces</subject><subject>Nickel base alloys</subject><subject>Precipitates</subject><subject>Room temperature</subject><subject>Shearing</subject><subject>Single crystal superalloys</subject><subject>Single crystals</subject><subject>Strain analysis</subject><subject>Strain hardening</subject><subject>Strain rate sensitivity</subject><subject>Stress-strain curves</subject><subject>Stress-strain relationships</subject><subject>Superalloys</subject><subject>Tensile behavior</subject><subject>Tensile properties</subject><subject>Tensile tests</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kElLxEAQhRtRcFz-gKcGr2bsNQt4kcENRjw4gremk1S0hyxjV2cg_94e4tlTQdV7r6o-Qq44W3LG09vtskOwS8FEbMiCM31EFjzPZKIKmR6TBSsETzQr5Ck5Q9wyxrhiekGaDfToWqA7P-zABwd4QzF463rqbQCKh3lwexcmavuaNta1owfaQfVte4cdHRqKrv-KGZWfMNiW4hijbNsOE9LV6_tnoi7ISWNbhMu_ek4-Hh82q-dk_fb0srpfJ5UUeUhqyMpS5qzkIFk8Vtc2zSwvra2hLEqlCp1nkKYFUxaUEHWlbaGiJm0aWYpGnpPrOTe-8zMCBrMdRt_HlUYoKbTONeNRJWZV5QdED43ZeddZPxnOzIGn2ZoDT3PgaWae0XQ3myDev3fgDVYO-gpq56EKph7cf_Zf7xt_vQ</recordid><startdate>20200424</startdate><enddate>20200424</enddate><creator>Zhang, Hong</creator><creator>Li, Peidong</creator><creator>Gong, Xiufang</creator><creator>Wang, Tianjian</creator><creator>Li, Lang</creator><creator>Liu, Yongjie</creator><creator>Wang, Qingyuan</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20200424</creationdate><title>Tensile properties, strain rate sensitivity and failure mechanism of single crystal superalloys CMSX-4</title><author>Zhang, Hong ; Li, Peidong ; Gong, Xiufang ; Wang, Tianjian ; Li, Lang ; Liu, Yongjie ; Wang, Qingyuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-de7bb380b1e300935da67a1baadeb9b449587e66904ae422dc5a94a676ff3b2f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Damage</topic><topic>Dimpling</topic><topic>Dislocation</topic><topic>Dislocations</topic><topic>Failure mechanism</topic><topic>Failure mechanisms</topic><topic>Fracture surfaces</topic><topic>Nickel base alloys</topic><topic>Precipitates</topic><topic>Room temperature</topic><topic>Shearing</topic><topic>Single crystal superalloys</topic><topic>Single crystals</topic><topic>Strain analysis</topic><topic>Strain hardening</topic><topic>Strain rate sensitivity</topic><topic>Stress-strain curves</topic><topic>Stress-strain relationships</topic><topic>Superalloys</topic><topic>Tensile behavior</topic><topic>Tensile properties</topic><topic>Tensile tests</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Hong</creatorcontrib><creatorcontrib>Li, Peidong</creatorcontrib><creatorcontrib>Gong, Xiufang</creatorcontrib><creatorcontrib>Wang, Tianjian</creatorcontrib><creatorcontrib>Li, Lang</creatorcontrib><creatorcontrib>Liu, Yongjie</creatorcontrib><creatorcontrib>Wang, Qingyuan</creatorcontrib><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>Zhang, Hong</au><au>Li, Peidong</au><au>Gong, Xiufang</au><au>Wang, Tianjian</au><au>Li, Lang</au><au>Liu, Yongjie</au><au>Wang, Qingyuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tensile properties, strain rate sensitivity and failure mechanism of single crystal superalloys CMSX-4</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2020-04-24</date><risdate>2020</risdate><volume>782</volume><spage>139105</spage><pages>139105-</pages><artnum>139105</artnum><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The tensile behavior of single crystal superalloys CMSX-4 was investigated under different strain rates at room temperature. The objective of this study is to identify the strain rate sensitivity and understand the damage failure mechanism by checking stress-strain curves and microstructure of the deformed sample. Experimental results show that the stress-strain curves including strain hardening behavior at both strain rates are different. The size of cleavage facets and dimples in the tensile fracture surface is related to the strain rates. The shearing lines cross through the γ matrix and γ' precipitates, which is related to the movement of dislocations. Then, Schmid factor and the damage failure mechanism during tensile tests are estimated and discussed.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2020.139105</doi></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2020-04, Vol.782, p.139105, Article 139105 |
| issn | 0921-5093 1873-4936 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Damage Dimpling Dislocation Dislocations Failure mechanism Failure mechanisms Fracture surfaces Nickel base alloys Precipitates Room temperature Shearing Single crystal superalloys Single crystals Strain analysis Strain hardening Strain rate sensitivity Stress-strain curves Stress-strain relationships Superalloys Tensile behavior Tensile properties Tensile tests |
| title | Tensile properties, strain rate sensitivity and failure mechanism of single crystal superalloys CMSX-4 |
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