Effect of Equal Channel Angular Pressing on Properties Evaluation of Biodegradable Mg-Zn-Mn Alloy
Equal channel angular pressing (ECAP) was used to process Mg-4Zn-1Mn alloy at 300 °C using route B c up to 4 pass with a cumulative strain of 3.2. Optical microscope (OM), microstructures results shows homogenized sample grain size was 260 µm, after 4 pass ECAP grain size was decreased to 6 µm. Elec...
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| creator | Ramesh, S. Kumar, Goutham Jagadeesh, C. Anne, Gajanan Nayaka, H. Shivananda |
| description | Equal channel angular pressing (ECAP) was used to process Mg-4Zn-1Mn alloy at 300 °C using route B
c
up to 4 pass with a cumulative strain of 3.2. Optical microscope (OM), microstructures results shows homogenized sample grain size was 260 µm, after 4 pass ECAP grain size was decreased to 6 µm. Electron back-scattered diffraction (EBSD) shows the misorientation angle converted from low-angle grain boundaries (LAGB) to high-angle grain boundaries (HAGB). Dislocation density and fine grains were observed from transmission electron microscope (TEM) images. Strength has been increased from 156 to 218 MPa and hardness increased to 68 Hv after 4 pass of ECAP. Fractography analysis revealed that dimple size decreases as ECAP passes increased. XRD analysis shows the peak broadening and intensity variation, because of grain refinement. The corrosion behavior of the homogenized and ECAP-processed samples were investigated by electrochemical tests using simulated body fluids (SBF) at 37 ± 1 °C. The lower corrosion resistance of ECAP-processed Mg-4Zn-1Mn alloy attributed to the strain-induced crystalline defects, subgrain boundaries and high-density dislocations. Enhanced strength and ductility combined with lower corrosion resistance of ECAP-processed Mg-4Zn-1Mn has greater potentials for biomedical implants. |
| doi_str_mv | 10.1007/s40735-021-00506-7 |
| format | Article |
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c
up to 4 pass with a cumulative strain of 3.2. Optical microscope (OM), microstructures results shows homogenized sample grain size was 260 µm, after 4 pass ECAP grain size was decreased to 6 µm. Electron back-scattered diffraction (EBSD) shows the misorientation angle converted from low-angle grain boundaries (LAGB) to high-angle grain boundaries (HAGB). Dislocation density and fine grains were observed from transmission electron microscope (TEM) images. Strength has been increased from 156 to 218 MPa and hardness increased to 68 Hv after 4 pass of ECAP. Fractography analysis revealed that dimple size decreases as ECAP passes increased. XRD analysis shows the peak broadening and intensity variation, because of grain refinement. The corrosion behavior of the homogenized and ECAP-processed samples were investigated by electrochemical tests using simulated body fluids (SBF) at 37 ± 1 °C. The lower corrosion resistance of ECAP-processed Mg-4Zn-1Mn alloy attributed to the strain-induced crystalline defects, subgrain boundaries and high-density dislocations. Enhanced strength and ductility combined with lower corrosion resistance of ECAP-processed Mg-4Zn-1Mn has greater potentials for biomedical implants.</description><identifier>ISSN: 2198-4220</identifier><identifier>EISSN: 2198-4239</identifier><identifier>DOI: 10.1007/s40735-021-00506-7</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Biodegradability ; Biomaterials ; Biomedical materials ; Body fluids ; Boundaries ; Chemistry and Materials Science ; Corrosion ; Corrosion and Coatings ; Corrosion resistance ; Corrosion resistant alloys ; Crystal defects ; Dimpling ; Dislocation density ; Equal channel angular pressing ; Grain boundaries ; Grain refinement ; Grain size ; Grain sub boundaries ; Image transmission ; In vitro methods and tests ; Magnesium base alloys ; Manganese ; Materials Science ; Misalignment ; Optical microscopes ; Solid Mechanics ; Surgical implants ; Tribology ; Zinc base alloys</subject><ispartof>Journal of bio- and tribo-corrosion, 2021, Vol.7 (2), Article 69</ispartof><rights>The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021</rights><rights>The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2717-91f2ce06100b2d650e1c26fe15967975c9a34b94db3b48bf3559e36f0477c5633</citedby><cites>FETCH-LOGICAL-c2717-91f2ce06100b2d650e1c26fe15967975c9a34b94db3b48bf3559e36f0477c5633</cites><orcidid>0000-0002-5263-6639</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s40735-021-00506-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s40735-021-00506-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Ramesh, S.</creatorcontrib><creatorcontrib>Kumar, Goutham</creatorcontrib><creatorcontrib>Jagadeesh, C.</creatorcontrib><creatorcontrib>Anne, Gajanan</creatorcontrib><creatorcontrib>Nayaka, H. Shivananda</creatorcontrib><title>Effect of Equal Channel Angular Pressing on Properties Evaluation of Biodegradable Mg-Zn-Mn Alloy</title><title>Journal of bio- and tribo-corrosion</title><addtitle>J Bio Tribo Corros</addtitle><description>Equal channel angular pressing (ECAP) was used to process Mg-4Zn-1Mn alloy at 300 °C using route B
c
up to 4 pass with a cumulative strain of 3.2. Optical microscope (OM), microstructures results shows homogenized sample grain size was 260 µm, after 4 pass ECAP grain size was decreased to 6 µm. Electron back-scattered diffraction (EBSD) shows the misorientation angle converted from low-angle grain boundaries (LAGB) to high-angle grain boundaries (HAGB). Dislocation density and fine grains were observed from transmission electron microscope (TEM) images. Strength has been increased from 156 to 218 MPa and hardness increased to 68 Hv after 4 pass of ECAP. Fractography analysis revealed that dimple size decreases as ECAP passes increased. XRD analysis shows the peak broadening and intensity variation, because of grain refinement. The corrosion behavior of the homogenized and ECAP-processed samples were investigated by electrochemical tests using simulated body fluids (SBF) at 37 ± 1 °C. The lower corrosion resistance of ECAP-processed Mg-4Zn-1Mn alloy attributed to the strain-induced crystalline defects, subgrain boundaries and high-density dislocations. Enhanced strength and ductility combined with lower corrosion resistance of ECAP-processed Mg-4Zn-1Mn has greater potentials for biomedical implants.</description><subject>Biodegradability</subject><subject>Biomaterials</subject><subject>Biomedical materials</subject><subject>Body fluids</subject><subject>Boundaries</subject><subject>Chemistry and Materials Science</subject><subject>Corrosion</subject><subject>Corrosion and Coatings</subject><subject>Corrosion resistance</subject><subject>Corrosion resistant alloys</subject><subject>Crystal defects</subject><subject>Dimpling</subject><subject>Dislocation density</subject><subject>Equal channel angular pressing</subject><subject>Grain boundaries</subject><subject>Grain refinement</subject><subject>Grain size</subject><subject>Grain sub boundaries</subject><subject>Image transmission</subject><subject>In vitro methods and tests</subject><subject>Magnesium base alloys</subject><subject>Manganese</subject><subject>Materials Science</subject><subject>Misalignment</subject><subject>Optical microscopes</subject><subject>Solid Mechanics</subject><subject>Surgical implants</subject><subject>Tribology</subject><subject>Zinc base alloys</subject><issn>2198-4220</issn><issn>2198-4239</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kM1OwzAQhCMEElXpC3CyxNmwtuM4OZaq_EhFcIALF8tJ7JDK2K2dIPXtMQTBjdOOVjOz2i_LzglcEgBxFXMQjGOgBANwKLA4ymaUVCXOKauOfzWF02wR4xYAqGC5YHSWqbUxuhmQN2i9H5VFqzflnLZo6brRqoCego6xdx3yLmm_02HodUTrD2VHNfRpm6LXvW91F1SraqvRQ4dfHX5waGmtP5xlJ0bZqBc_c5693KyfV3d483h7v1pucEMFEbgihjYaivRRTduCgyYNLYwmvCpEJXhTKZbXVd7WrM7L2jDOK80KA7kQDS8Ym2cXU-8u-P2o4yC3fgwunZSUQ0loSVmZXHRyNcHHGLSRu9C_q3CQBOQXTTnRlImm_KYpRQqxKRST2XU6_FX_k_oEGnR1ng</recordid><startdate>2021</startdate><enddate>2021</enddate><creator>Ramesh, S.</creator><creator>Kumar, Goutham</creator><creator>Jagadeesh, C.</creator><creator>Anne, Gajanan</creator><creator>Nayaka, H. Shivananda</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-5263-6639</orcidid></search><sort><creationdate>2021</creationdate><title>Effect of Equal Channel Angular Pressing on Properties Evaluation of Biodegradable Mg-Zn-Mn Alloy</title><author>Ramesh, S. ; Kumar, Goutham ; Jagadeesh, C. ; Anne, Gajanan ; Nayaka, H. Shivananda</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2717-91f2ce06100b2d650e1c26fe15967975c9a34b94db3b48bf3559e36f0477c5633</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Biodegradability</topic><topic>Biomaterials</topic><topic>Biomedical materials</topic><topic>Body fluids</topic><topic>Boundaries</topic><topic>Chemistry and Materials Science</topic><topic>Corrosion</topic><topic>Corrosion and Coatings</topic><topic>Corrosion resistance</topic><topic>Corrosion resistant alloys</topic><topic>Crystal defects</topic><topic>Dimpling</topic><topic>Dislocation density</topic><topic>Equal channel angular pressing</topic><topic>Grain boundaries</topic><topic>Grain refinement</topic><topic>Grain size</topic><topic>Grain sub boundaries</topic><topic>Image transmission</topic><topic>In vitro methods and tests</topic><topic>Magnesium base alloys</topic><topic>Manganese</topic><topic>Materials Science</topic><topic>Misalignment</topic><topic>Optical microscopes</topic><topic>Solid Mechanics</topic><topic>Surgical implants</topic><topic>Tribology</topic><topic>Zinc base alloys</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ramesh, S.</creatorcontrib><creatorcontrib>Kumar, Goutham</creatorcontrib><creatorcontrib>Jagadeesh, C.</creatorcontrib><creatorcontrib>Anne, Gajanan</creatorcontrib><creatorcontrib>Nayaka, H. Shivananda</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of bio- and tribo-corrosion</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ramesh, S.</au><au>Kumar, Goutham</au><au>Jagadeesh, C.</au><au>Anne, Gajanan</au><au>Nayaka, H. Shivananda</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Equal Channel Angular Pressing on Properties Evaluation of Biodegradable Mg-Zn-Mn Alloy</atitle><jtitle>Journal of bio- and tribo-corrosion</jtitle><stitle>J Bio Tribo Corros</stitle><date>2021</date><risdate>2021</risdate><volume>7</volume><issue>2</issue><artnum>69</artnum><issn>2198-4220</issn><eissn>2198-4239</eissn><abstract>Equal channel angular pressing (ECAP) was used to process Mg-4Zn-1Mn alloy at 300 °C using route B
c
up to 4 pass with a cumulative strain of 3.2. Optical microscope (OM), microstructures results shows homogenized sample grain size was 260 µm, after 4 pass ECAP grain size was decreased to 6 µm. Electron back-scattered diffraction (EBSD) shows the misorientation angle converted from low-angle grain boundaries (LAGB) to high-angle grain boundaries (HAGB). Dislocation density and fine grains were observed from transmission electron microscope (TEM) images. Strength has been increased from 156 to 218 MPa and hardness increased to 68 Hv after 4 pass of ECAP. Fractography analysis revealed that dimple size decreases as ECAP passes increased. XRD analysis shows the peak broadening and intensity variation, because of grain refinement. The corrosion behavior of the homogenized and ECAP-processed samples were investigated by electrochemical tests using simulated body fluids (SBF) at 37 ± 1 °C. The lower corrosion resistance of ECAP-processed Mg-4Zn-1Mn alloy attributed to the strain-induced crystalline defects, subgrain boundaries and high-density dislocations. Enhanced strength and ductility combined with lower corrosion resistance of ECAP-processed Mg-4Zn-1Mn has greater potentials for biomedical implants.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s40735-021-00506-7</doi><orcidid>https://orcid.org/0000-0002-5263-6639</orcidid></addata></record> |
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| subjects | Biodegradability Biomaterials Biomedical materials Body fluids Boundaries Chemistry and Materials Science Corrosion Corrosion and Coatings Corrosion resistance Corrosion resistant alloys Crystal defects Dimpling Dislocation density Equal channel angular pressing Grain boundaries Grain refinement Grain size Grain sub boundaries Image transmission In vitro methods and tests Magnesium base alloys Manganese Materials Science Misalignment Optical microscopes Solid Mechanics Surgical implants Tribology Zinc base alloys |
| title | Effect of Equal Channel Angular Pressing on Properties Evaluation of Biodegradable Mg-Zn-Mn Alloy |
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