Microstructure and properties of inconel 718 and AISI 416 laser welded joints
[Display omitted] The optimal process parameters of CO2 laser welding were arrived out at performing iterative experimentation with different speeds for Ni-based super alloy Inconel 718 and re-sulphurized martensitic grade stainless steel, AISI 416. Microscopy investigations corroborated the micro-s...
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| Veröffentlicht in: | Journal of materials processing technology 2019-04, Vol.266, p.52-62 |
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| container_title | Journal of materials processing technology |
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| creator | K., Devendranath Ramkumar Sidharth, Dev K.V., Phani Prabhakar R., Rajendran K., Giri Mugundan S., Narayanan |
| description | [Display omitted]
The optimal process parameters of CO2 laser welding were arrived out at performing iterative experimentation with different speeds for Ni-based super alloy Inconel 718 and re-sulphurized martensitic grade stainless steel, AISI 416. Microscopy investigations corroborated the micro-segregation of Laves phase augmented in Nb at the fusion zone of CO2 laser welds and also trivial liquation cracks or micro fissuring at the heat affected zone (HAZ) of Inconel 718 were observed. The fusion zone microstructure attested the absence of solidification cracks and/or porosity. Tensile failures were observed on the weaker parent metal of AISI 416, despite some minor microstructural deficits in the fusion zone. The current work attests that dissimilar joints of Inconel 718 and AISI 416 could be obtained in a single pass using keyhole mode CO2 laser welding process. |
| doi_str_mv | 10.1016/j.jmatprotec.2018.10.039 |
| format | Article |
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The optimal process parameters of CO2 laser welding were arrived out at performing iterative experimentation with different speeds for Ni-based super alloy Inconel 718 and re-sulphurized martensitic grade stainless steel, AISI 416. Microscopy investigations corroborated the micro-segregation of Laves phase augmented in Nb at the fusion zone of CO2 laser welds and also trivial liquation cracks or micro fissuring at the heat affected zone (HAZ) of Inconel 718 were observed. The fusion zone microstructure attested the absence of solidification cracks and/or porosity. Tensile failures were observed on the weaker parent metal of AISI 416, despite some minor microstructural deficits in the fusion zone. The current work attests that dissimilar joints of Inconel 718 and AISI 416 could be obtained in a single pass using keyhole mode CO2 laser welding process.</description><identifier>ISSN: 0924-0136</identifier><identifier>EISSN: 1873-4774</identifier><identifier>DOI: 10.1016/j.jmatprotec.2018.10.039</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Automobile industry ; Base metal ; Carbon dioxide lasers ; CO2laser welding ; Cracks ; Experimentation ; Heat affected zone ; Heat treating ; Inconel 718 ; Laser beam welding ; Lasers ; Laves phase ; Martensitic stainless steels ; Microfissuring ; Microstructure ; Nickel base alloys ; Porosity ; Process parameters ; Re-sulphurized martensitic stainless steel ; Solidification ; Superalloys ; Welded joints ; Welding parameters</subject><ispartof>Journal of materials processing technology, 2019-04, Vol.266, p.52-62</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier BV Apr 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c346t-bc1bf3f6c5e60cfd9ea8db00d3fb75b7cdebc54a4aebd44ed4fb739dd5cb72473</citedby><cites>FETCH-LOGICAL-c346t-bc1bf3f6c5e60cfd9ea8db00d3fb75b7cdebc54a4aebd44ed4fb739dd5cb72473</cites><orcidid>0000-0003-4581-887X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0924013618304709$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids></links><search><creatorcontrib>K., Devendranath Ramkumar</creatorcontrib><creatorcontrib>Sidharth, Dev</creatorcontrib><creatorcontrib>K.V., Phani Prabhakar</creatorcontrib><creatorcontrib>R., Rajendran</creatorcontrib><creatorcontrib>K., Giri Mugundan</creatorcontrib><creatorcontrib>S., Narayanan</creatorcontrib><title>Microstructure and properties of inconel 718 and AISI 416 laser welded joints</title><title>Journal of materials processing technology</title><description>[Display omitted]
The optimal process parameters of CO2 laser welding were arrived out at performing iterative experimentation with different speeds for Ni-based super alloy Inconel 718 and re-sulphurized martensitic grade stainless steel, AISI 416. Microscopy investigations corroborated the micro-segregation of Laves phase augmented in Nb at the fusion zone of CO2 laser welds and also trivial liquation cracks or micro fissuring at the heat affected zone (HAZ) of Inconel 718 were observed. The fusion zone microstructure attested the absence of solidification cracks and/or porosity. Tensile failures were observed on the weaker parent metal of AISI 416, despite some minor microstructural deficits in the fusion zone. The current work attests that dissimilar joints of Inconel 718 and AISI 416 could be obtained in a single pass using keyhole mode CO2 laser welding process.</description><subject>Automobile industry</subject><subject>Base metal</subject><subject>Carbon dioxide lasers</subject><subject>CO2laser welding</subject><subject>Cracks</subject><subject>Experimentation</subject><subject>Heat affected zone</subject><subject>Heat treating</subject><subject>Inconel 718</subject><subject>Laser beam welding</subject><subject>Lasers</subject><subject>Laves phase</subject><subject>Martensitic stainless steels</subject><subject>Microfissuring</subject><subject>Microstructure</subject><subject>Nickel base alloys</subject><subject>Porosity</subject><subject>Process parameters</subject><subject>Re-sulphurized martensitic stainless steel</subject><subject>Solidification</subject><subject>Superalloys</subject><subject>Welded joints</subject><subject>Welding parameters</subject><issn>0924-0136</issn><issn>1873-4774</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFUEtLxDAQDqLguvofAp67Jk3apMd18bHg4kE9hzymkNJt1yRV_PemruDR08D3mpkPIUzJihJa33Srbq_TIYwJ7KokVGZ4RVhzghZUClZwIfgpWpCm5AWhrD5HFzF2hFBBpFyg3c7bMMYUJpumAFgPDuewA4TkIeKxxX6w4wA9FlT-sOvtyxZzWuNeRwj4E3oHDnejH1K8RGet7iNc_c4leru_e908Fk_PD9vN-qmwjNepMJaalrW1raAmtnUNaOkMIY61RlRGWAfGVlxzDcZxDo5nnDXOVdaIkgu2RNfH3Hzq-wQxqW6cwpBXqpJKKipJOM0qeVTNH8YArToEv9fhS1Gi5vJUp_7KU3N5M5PLy9bboxXyFx8egorWw2DB-QA2KTf6_0O-AU1Zfmo</recordid><startdate>201904</startdate><enddate>201904</enddate><creator>K., Devendranath Ramkumar</creator><creator>Sidharth, Dev</creator><creator>K.V., Phani Prabhakar</creator><creator>R., Rajendran</creator><creator>K., Giri Mugundan</creator><creator>S., Narayanan</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>H8D</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-4581-887X</orcidid></search><sort><creationdate>201904</creationdate><title>Microstructure and properties of inconel 718 and AISI 416 laser welded joints</title><author>K., Devendranath Ramkumar ; Sidharth, Dev ; K.V., Phani Prabhakar ; R., Rajendran ; K., Giri Mugundan ; S., Narayanan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c346t-bc1bf3f6c5e60cfd9ea8db00d3fb75b7cdebc54a4aebd44ed4fb739dd5cb72473</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Automobile industry</topic><topic>Base metal</topic><topic>Carbon dioxide lasers</topic><topic>CO2laser welding</topic><topic>Cracks</topic><topic>Experimentation</topic><topic>Heat affected zone</topic><topic>Heat treating</topic><topic>Inconel 718</topic><topic>Laser beam welding</topic><topic>Lasers</topic><topic>Laves phase</topic><topic>Martensitic stainless steels</topic><topic>Microfissuring</topic><topic>Microstructure</topic><topic>Nickel base alloys</topic><topic>Porosity</topic><topic>Process parameters</topic><topic>Re-sulphurized martensitic stainless steel</topic><topic>Solidification</topic><topic>Superalloys</topic><topic>Welded joints</topic><topic>Welding parameters</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>K., Devendranath Ramkumar</creatorcontrib><creatorcontrib>Sidharth, Dev</creatorcontrib><creatorcontrib>K.V., Phani Prabhakar</creatorcontrib><creatorcontrib>R., Rajendran</creatorcontrib><creatorcontrib>K., Giri Mugundan</creatorcontrib><creatorcontrib>S., Narayanan</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of materials processing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>K., Devendranath Ramkumar</au><au>Sidharth, Dev</au><au>K.V., Phani Prabhakar</au><au>R., Rajendran</au><au>K., Giri Mugundan</au><au>S., Narayanan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure and properties of inconel 718 and AISI 416 laser welded joints</atitle><jtitle>Journal of materials processing technology</jtitle><date>2019-04</date><risdate>2019</risdate><volume>266</volume><spage>52</spage><epage>62</epage><pages>52-62</pages><issn>0924-0136</issn><eissn>1873-4774</eissn><abstract>[Display omitted]
The optimal process parameters of CO2 laser welding were arrived out at performing iterative experimentation with different speeds for Ni-based super alloy Inconel 718 and re-sulphurized martensitic grade stainless steel, AISI 416. Microscopy investigations corroborated the micro-segregation of Laves phase augmented in Nb at the fusion zone of CO2 laser welds and also trivial liquation cracks or micro fissuring at the heat affected zone (HAZ) of Inconel 718 were observed. The fusion zone microstructure attested the absence of solidification cracks and/or porosity. Tensile failures were observed on the weaker parent metal of AISI 416, despite some minor microstructural deficits in the fusion zone. The current work attests that dissimilar joints of Inconel 718 and AISI 416 could be obtained in a single pass using keyhole mode CO2 laser welding process.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmatprotec.2018.10.039</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-4581-887X</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0924-0136 |
| ispartof | Journal of materials processing technology, 2019-04, Vol.266, p.52-62 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Automobile industry Base metal Carbon dioxide lasers CO2laser welding Cracks Experimentation Heat affected zone Heat treating Inconel 718 Laser beam welding Lasers Laves phase Martensitic stainless steels Microfissuring Microstructure Nickel base alloys Porosity Process parameters Re-sulphurized martensitic stainless steel Solidification Superalloys Welded joints Welding parameters |
| title | Microstructure and properties of inconel 718 and AISI 416 laser welded joints |
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