The infrared thermal wave imaging detection of micro-crack defects in Ti-Al alloy plate
The Ti-Al alloy has good physical, chemical and mechanical properties, and it is the preferred material in aerospace and other special fields. The laser spots array is used for thermal excitation of the Ti-Al alloy specimen. Based on the fractional differential equation and Fourier heat conduction e...
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| Veröffentlicht in: | Thermal science 2019, Vol.23 (3 Part A), p.1585-1590 |
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| creator | Bu, Chiwu Zhang, Xibin Liu, Guozeng Tang, Qingju Yan, Zugen |
| description | The Ti-Al alloy has good physical, chemical and mechanical properties, and it is the preferred material in aerospace and other special fields. The laser spots array is used for thermal excitation of the Ti-Al alloy specimen. Based on the fractional differential equation and Fourier heat conduction equation, the fractional heat transfer model of Ti-Al alloy plate specimen ex-cited by short pulse laser spots array is established, and the infrared thermal imaging simulation analysis is carried out by finite element method. The effects of crack width, crack depth and the distance between the crack and its nearest laser spot center on temperature abrupt jump is analyzed. With the increase of crack width and depth, the temperature abrupt jump increases, but the trend gradually slows down. The distance between the crack and its nearest laser spot center has a significant effect on the temperature abrupt jump. With the increase of the distance, the temperature abrupt jump first increases and then decreases. When the distance equals the laser spot radius, that is, the crack is tangent to the spot, the temperature abrupt jump reaches its maximum.
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| doi_str_mv | 10.2298/TSCI180909227B |
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nema</description><subject>Aluminum base alloys</subject><subject>Computer simulation</subject><subject>Conduction heating</subject><subject>Conductive heat transfer</subject><subject>Differential equations</subject><subject>Finite element method</subject><subject>Infrared analysis</subject><subject>Infrared imaging</subject><subject>Laser arrays</subject><subject>Lasers</subject><subject>Mechanical properties</subject><subject>Metal plates</subject><subject>Microcracks</subject><subject>Thermal imaging</subject><subject>Thermal simulation</subject><subject>Thermal wave imaging</subject><subject>Titanium base alloys</subject><issn>0354-9836</issn><issn>2334-7163</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpVUMtOwzAQtBBIlMKVsyXOLs7a8eNYKh6VKnEgiGPk-NGmpEmxU1D_HiO4cFppZnZ2dhC6LugMQKvb6mWxLBTVVAPIuxM0AcY4kYVgp2hCWcmJVkyco4uUtpQKoZScoLdq43Hbh2iid3jc-LgzHf4ynxndmXXbr7Hzo7djO_R4CHjX2jgQG419z0TIRMrruGrJvMOm64Yj3ndm9JfoLJgu-au_OUWvD_fV4omsnh-Xi_mKWBAwEiec5tY3siklD9yFhgsomNPeG2NLI0XpSt5YgACMClDGUrDAG0-bYMGwKbr59d3H4ePg01hvh0Ps88kaOGgqFYgiq2a_qhw-pehDvY_5vXisC1r_lFf_L499A7o6Yno</recordid><startdate>2019</startdate><enddate>2019</enddate><creator>Bu, Chiwu</creator><creator>Zhang, Xibin</creator><creator>Liu, Guozeng</creator><creator>Tang, Qingju</creator><creator>Yan, Zugen</creator><general>Society of Thermal Engineers of Serbia</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>2019</creationdate><title>The infrared thermal wave imaging detection of micro-crack defects in Ti-Al alloy plate</title><author>Bu, Chiwu ; Zhang, Xibin ; Liu, Guozeng ; Tang, Qingju ; Yan, Zugen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c262t-d6d94ceb7b574f4dfb46213d9eeaac5a765d54bc22f230628ac02c24be0bfc2a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aluminum base alloys</topic><topic>Computer simulation</topic><topic>Conduction heating</topic><topic>Conductive heat transfer</topic><topic>Differential equations</topic><topic>Finite element method</topic><topic>Infrared analysis</topic><topic>Infrared imaging</topic><topic>Laser arrays</topic><topic>Lasers</topic><topic>Mechanical properties</topic><topic>Metal plates</topic><topic>Microcracks</topic><topic>Thermal imaging</topic><topic>Thermal simulation</topic><topic>Thermal wave imaging</topic><topic>Titanium base alloys</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bu, Chiwu</creatorcontrib><creatorcontrib>Zhang, Xibin</creatorcontrib><creatorcontrib>Liu, Guozeng</creatorcontrib><creatorcontrib>Tang, Qingju</creatorcontrib><creatorcontrib>Yan, Zugen</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Thermal science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bu, Chiwu</au><au>Zhang, Xibin</au><au>Liu, Guozeng</au><au>Tang, Qingju</au><au>Yan, Zugen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The infrared thermal wave imaging detection of micro-crack defects in Ti-Al alloy plate</atitle><jtitle>Thermal science</jtitle><date>2019</date><risdate>2019</risdate><volume>23</volume><issue>3 Part A</issue><spage>1585</spage><epage>1590</epage><pages>1585-1590</pages><issn>0354-9836</issn><eissn>2334-7163</eissn><abstract>The Ti-Al alloy has good physical, chemical and mechanical properties, and it is the preferred material in aerospace and other special fields. The laser spots array is used for thermal excitation of the Ti-Al alloy specimen. Based on the fractional differential equation and Fourier heat conduction equation, the fractional heat transfer model of Ti-Al alloy plate specimen ex-cited by short pulse laser spots array is established, and the infrared thermal imaging simulation analysis is carried out by finite element method. The effects of crack width, crack depth and the distance between the crack and its nearest laser spot center on temperature abrupt jump is analyzed. With the increase of crack width and depth, the temperature abrupt jump increases, but the trend gradually slows down. The distance between the crack and its nearest laser spot center has a significant effect on the temperature abrupt jump. With the increase of the distance, the temperature abrupt jump first increases and then decreases. When the distance equals the laser spot radius, that is, the crack is tangent to the spot, the temperature abrupt jump reaches its maximum.
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| subjects | Aluminum base alloys Computer simulation Conduction heating Conductive heat transfer Differential equations Finite element method Infrared analysis Infrared imaging Laser arrays Lasers Mechanical properties Metal plates Microcracks Thermal imaging Thermal simulation Thermal wave imaging Titanium base alloys |
| title | The infrared thermal wave imaging detection of micro-crack defects in Ti-Al alloy plate |
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