Crack behavior in ultrafast laser drilling of thermal barrier coated nickel superalloy
•A thermo-mechanical coupled model is established to obtain temperature, phase transformation stress and thermal stress.•The nonlinear relationship between drilling depth and drilling time is considered.•The behaviors of the interfacial crack and the internal crack are quantitatively analyzed.•The d...
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| Veröffentlicht in: | Journal of materials processing technology 2020-08, Vol.282, p.116678, Article 116678 |
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| container_title | Journal of materials processing technology |
| container_volume | 282 |
| creator | Zheng, Changlong Zhao, Kai Shen, Hong Zhao, Xiaofeng Yao, Zhenqiang |
| description | •A thermo-mechanical coupled model is established to obtain temperature, phase transformation stress and thermal stress.•The nonlinear relationship between drilling depth and drilling time is considered.•The behaviors of the interfacial crack and the internal crack are quantitatively analyzed.•The drilling strategy is suggested to reduce the thermal effect.
Quantitative analysis is required to explore the mechanism of crack generation in ultrafast laser drilling of thermal barrier coated nickel superalloy. In this study, a simple thermo-mechanical coupled model is established to obtain temperature history, phase transformation stress and thermal stress during drilling process, in which laser beam scanning, laser intensity attenuation, the nonlinear relationship between drilling depth and drilling time are involved. The induced stress obtained from the present model is compared with the results by digital image correlation (DIC) method. According to the crack distribution around the drilled hole, the present model is used to explain the mechanism of crack behavior in drilling of multilayer materials. Finally, the strategy using low pulse repetition rate or water jet assisted method is suggested to reduce the thermal effect in ultrafast laser drilling process. |
| doi_str_mv | 10.1016/j.jmatprotec.2020.116678 |
| format | Article |
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Quantitative analysis is required to explore the mechanism of crack generation in ultrafast laser drilling of thermal barrier coated nickel superalloy. In this study, a simple thermo-mechanical coupled model is established to obtain temperature history, phase transformation stress and thermal stress during drilling process, in which laser beam scanning, laser intensity attenuation, the nonlinear relationship between drilling depth and drilling time are involved. The induced stress obtained from the present model is compared with the results by digital image correlation (DIC) method. According to the crack distribution around the drilled hole, the present model is used to explain the mechanism of crack behavior in drilling of multilayer materials. Finally, the strategy using low pulse repetition rate or water jet assisted method is suggested to reduce the thermal effect in ultrafast laser drilling process.</description><identifier>ISSN: 0924-0136</identifier><identifier>EISSN: 1873-4774</identifier><identifier>DOI: 10.1016/j.jmatprotec.2020.116678</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Attenuation ; Crack behavior ; Digital imaging ; Drilling ; Exploratory drilling ; Hydraulic jets ; Laser beams ; Laser drilling ; Lasers ; Multilayers ; Nickel base alloys ; Phase transformation stress ; Phase transitions ; Pulse repetition rate ; Superalloys ; TBC ; Temperature effects ; Thermal barriers ; Thermal stress ; Thermal transformations ; Ultrafast laser ; Ultrafast lasers</subject><ispartof>Journal of materials processing technology, 2020-08, Vol.282, p.116678, Article 116678</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV Aug 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c346t-190f8aae7127ab4104ac63372128fbe0586b520ee42d30194537a9ce4b392ee73</citedby><cites>FETCH-LOGICAL-c346t-190f8aae7127ab4104ac63372128fbe0586b520ee42d30194537a9ce4b392ee73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0924013620300923$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27902,27903,65308</link.rule.ids></links><search><creatorcontrib>Zheng, Changlong</creatorcontrib><creatorcontrib>Zhao, Kai</creatorcontrib><creatorcontrib>Shen, Hong</creatorcontrib><creatorcontrib>Zhao, Xiaofeng</creatorcontrib><creatorcontrib>Yao, Zhenqiang</creatorcontrib><title>Crack behavior in ultrafast laser drilling of thermal barrier coated nickel superalloy</title><title>Journal of materials processing technology</title><description>•A thermo-mechanical coupled model is established to obtain temperature, phase transformation stress and thermal stress.•The nonlinear relationship between drilling depth and drilling time is considered.•The behaviors of the interfacial crack and the internal crack are quantitatively analyzed.•The drilling strategy is suggested to reduce the thermal effect.
Quantitative analysis is required to explore the mechanism of crack generation in ultrafast laser drilling of thermal barrier coated nickel superalloy. In this study, a simple thermo-mechanical coupled model is established to obtain temperature history, phase transformation stress and thermal stress during drilling process, in which laser beam scanning, laser intensity attenuation, the nonlinear relationship between drilling depth and drilling time are involved. The induced stress obtained from the present model is compared with the results by digital image correlation (DIC) method. According to the crack distribution around the drilled hole, the present model is used to explain the mechanism of crack behavior in drilling of multilayer materials. Finally, the strategy using low pulse repetition rate or water jet assisted method is suggested to reduce the thermal effect in ultrafast laser drilling process.</description><subject>Attenuation</subject><subject>Crack behavior</subject><subject>Digital imaging</subject><subject>Drilling</subject><subject>Exploratory drilling</subject><subject>Hydraulic jets</subject><subject>Laser beams</subject><subject>Laser drilling</subject><subject>Lasers</subject><subject>Multilayers</subject><subject>Nickel base alloys</subject><subject>Phase transformation stress</subject><subject>Phase transitions</subject><subject>Pulse repetition rate</subject><subject>Superalloys</subject><subject>TBC</subject><subject>Temperature effects</subject><subject>Thermal barriers</subject><subject>Thermal stress</subject><subject>Thermal transformations</subject><subject>Ultrafast laser</subject><subject>Ultrafast lasers</subject><issn>0924-0136</issn><issn>1873-4774</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkEtPwzAQhC0EEqXwHyxxTvGrcXKEipdUiQtwtTbOhjp1k2I7lfrvSRUkjpxW2p2Z1XyEUM4WnPH8rl20O0j70Ce0C8HEuOZ5roszMuOFlpnSWp2TGSuFyhiX-SW5irFljGtWFDPyuQpgt7TCDRxcH6jr6OBTgAZioh4iBloH573rvmjf0LTBsANPKwjBjTfbQ8Kads5u0dM47DGA9_3xmlw04CPe_M45-Xh6fF-9ZOu359fV_TqzUuUp4yVrCgDUXGioFGcKbC6lFlwUTYVsWeTVUjBEJWrJeKmWUkNpUVWyFIhazsntlDsC-B4wJtP2Q-jGl0YoqZXkUohRVUwqG_oYAzZmH9wOwtFwZk4UTWv-KJoTRTNRHK0PkxXHFoexsonWYWexdgFtMnXv_g_5AWJKgJ4</recordid><startdate>202008</startdate><enddate>202008</enddate><creator>Zheng, Changlong</creator><creator>Zhao, Kai</creator><creator>Shen, Hong</creator><creator>Zhao, Xiaofeng</creator><creator>Yao, Zhenqiang</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></search><sort><creationdate>202008</creationdate><title>Crack behavior in ultrafast laser drilling of thermal barrier coated nickel superalloy</title><author>Zheng, Changlong ; Zhao, Kai ; Shen, Hong ; Zhao, Xiaofeng ; Yao, Zhenqiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c346t-190f8aae7127ab4104ac63372128fbe0586b520ee42d30194537a9ce4b392ee73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Attenuation</topic><topic>Crack behavior</topic><topic>Digital imaging</topic><topic>Drilling</topic><topic>Exploratory drilling</topic><topic>Hydraulic jets</topic><topic>Laser beams</topic><topic>Laser drilling</topic><topic>Lasers</topic><topic>Multilayers</topic><topic>Nickel base alloys</topic><topic>Phase transformation stress</topic><topic>Phase transitions</topic><topic>Pulse repetition rate</topic><topic>Superalloys</topic><topic>TBC</topic><topic>Temperature effects</topic><topic>Thermal barriers</topic><topic>Thermal stress</topic><topic>Thermal transformations</topic><topic>Ultrafast laser</topic><topic>Ultrafast lasers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zheng, Changlong</creatorcontrib><creatorcontrib>Zhao, Kai</creatorcontrib><creatorcontrib>Shen, Hong</creatorcontrib><creatorcontrib>Zhao, Xiaofeng</creatorcontrib><creatorcontrib>Yao, Zhenqiang</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>Zheng, Changlong</au><au>Zhao, Kai</au><au>Shen, Hong</au><au>Zhao, Xiaofeng</au><au>Yao, Zhenqiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Crack behavior in ultrafast laser drilling of thermal barrier coated nickel superalloy</atitle><jtitle>Journal of materials processing technology</jtitle><date>2020-08</date><risdate>2020</risdate><volume>282</volume><spage>116678</spage><pages>116678-</pages><artnum>116678</artnum><issn>0924-0136</issn><eissn>1873-4774</eissn><abstract>•A thermo-mechanical coupled model is established to obtain temperature, phase transformation stress and thermal stress.•The nonlinear relationship between drilling depth and drilling time is considered.•The behaviors of the interfacial crack and the internal crack are quantitatively analyzed.•The drilling strategy is suggested to reduce the thermal effect.
Quantitative analysis is required to explore the mechanism of crack generation in ultrafast laser drilling of thermal barrier coated nickel superalloy. In this study, a simple thermo-mechanical coupled model is established to obtain temperature history, phase transformation stress and thermal stress during drilling process, in which laser beam scanning, laser intensity attenuation, the nonlinear relationship between drilling depth and drilling time are involved. The induced stress obtained from the present model is compared with the results by digital image correlation (DIC) method. According to the crack distribution around the drilled hole, the present model is used to explain the mechanism of crack behavior in drilling of multilayer materials. Finally, the strategy using low pulse repetition rate or water jet assisted method is suggested to reduce the thermal effect in ultrafast laser drilling process.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmatprotec.2020.116678</doi></addata></record> |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Attenuation Crack behavior Digital imaging Drilling Exploratory drilling Hydraulic jets Laser beams Laser drilling Lasers Multilayers Nickel base alloys Phase transformation stress Phase transitions Pulse repetition rate Superalloys TBC Temperature effects Thermal barriers Thermal stress Thermal transformations Ultrafast laser Ultrafast lasers |
| title | Crack behavior in ultrafast laser drilling of thermal barrier coated nickel superalloy |
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