Effect of micro-cracks on plastic zone ahead of the macro-crack tip
From the macroscopic point of view, the plastic zone (PZ) is obtained based on the distributed dislocation technique (DDT) and von Mises yield criterion. From the microscopic point of view, PZ is determined by the DDT model. The effect of micro-cracks on PZ of the macro-crack tip is analyzed. The re...
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| Veröffentlicht in: | Journal of materials science 2017-12, Vol.52 (23), p.13490-13503 |
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| creator | Xiaotao, Li Xu, Li Hongda, Yang Xiaoyu, Jiang |
| description | From the macroscopic point of view, the plastic zone (PZ) is obtained based on the distributed dislocation technique (DDT) and von Mises yield criterion. From the microscopic point of view, PZ is determined by the DDT model. The effect of micro-cracks on PZ of the macro-crack tip is analyzed. The results show that the micro-crack has a little amplification effect on PZ of the macro-crack tip when it locates in front of PZ. As the micro-crack is close to the macro-crack tip, PZ of the macro-crack tip and the micro-crack tip will join together. When the micro-crack enters into PZ of the macro-crack tip, it has an obvious shielding effect on PZ. When the micro-crack is behind the macro-crack tip, the width of PZ decreases while the height increases. The dislocation distribution in PZ is in the form of inverse pileup. The amplification and shielding regions are divided into five strip-shaped regions, and they appear alternately. The results can provide useful information to predict plastic behaviors near crack tip. The analysis of amplification and shielding effect is important to materials design. |
| doi_str_mv | 10.1007/s10853-017-1440-8 |
| format | Article |
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From the microscopic point of view, PZ is determined by the DDT model. The effect of micro-cracks on PZ of the macro-crack tip is analyzed. The results show that the micro-crack has a little amplification effect on PZ of the macro-crack tip when it locates in front of PZ. As the micro-crack is close to the macro-crack tip, PZ of the macro-crack tip and the micro-crack tip will join together. When the micro-crack enters into PZ of the macro-crack tip, it has an obvious shielding effect on PZ. When the micro-crack is behind the macro-crack tip, the width of PZ decreases while the height increases. The dislocation distribution in PZ is in the form of inverse pileup. The amplification and shielding regions are divided into five strip-shaped regions, and they appear alternately. The results can provide useful information to predict plastic behaviors near crack tip. The analysis of amplification and shielding effect is important to materials design.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-017-1440-8</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Amplification ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Computation ; Crack tips ; Cracks ; Crystallography and Scattering Methods ; Dislocations ; Materials Science ; Microcracks ; Plastic zones ; Polymer Sciences ; Shielding ; Solid Mechanics ; Yield criteria</subject><ispartof>Journal of materials science, 2017-12, Vol.52 (23), p.13490-13503</ispartof><rights>Springer Science+Business Media, LLC 2017</rights><rights>COPYRIGHT 2017 Springer</rights><rights>Journal of Materials Science is a copyright of Springer, (2017). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-feef4b8036636f72e2fb90e26c248be0cc6de57d45de6cc910d0aa177e4d53163</citedby><cites>FETCH-LOGICAL-c389t-feef4b8036636f72e2fb90e26c248be0cc6de57d45de6cc910d0aa177e4d53163</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10853-017-1440-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10853-017-1440-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids></links><search><creatorcontrib>Xiaotao, Li</creatorcontrib><creatorcontrib>Xu, Li</creatorcontrib><creatorcontrib>Hongda, Yang</creatorcontrib><creatorcontrib>Xiaoyu, Jiang</creatorcontrib><title>Effect of micro-cracks on plastic zone ahead of the macro-crack tip</title><title>Journal of materials science</title><addtitle>J Mater Sci</addtitle><description>From the macroscopic point of view, the plastic zone (PZ) is obtained based on the distributed dislocation technique (DDT) and von Mises yield criterion. From the microscopic point of view, PZ is determined by the DDT model. The effect of micro-cracks on PZ of the macro-crack tip is analyzed. The results show that the micro-crack has a little amplification effect on PZ of the macro-crack tip when it locates in front of PZ. As the micro-crack is close to the macro-crack tip, PZ of the macro-crack tip and the micro-crack tip will join together. When the micro-crack enters into PZ of the macro-crack tip, it has an obvious shielding effect on PZ. When the micro-crack is behind the macro-crack tip, the width of PZ decreases while the height increases. The dislocation distribution in PZ is in the form of inverse pileup. The amplification and shielding regions are divided into five strip-shaped regions, and they appear alternately. The results can provide useful information to predict plastic behaviors near crack tip. The analysis of amplification and shielding effect is important to materials design.</description><subject>Amplification</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Computation</subject><subject>Crack tips</subject><subject>Cracks</subject><subject>Crystallography and Scattering Methods</subject><subject>Dislocations</subject><subject>Materials Science</subject><subject>Microcracks</subject><subject>Plastic zones</subject><subject>Polymer Sciences</subject><subject>Shielding</subject><subject>Solid Mechanics</subject><subject>Yield criteria</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kctKAzEUhoMoWC8P4G7AlYvoyT2zlOINBMHLOqSZkzraztRJCurTmzKiuJAsAuH7kv_kJ-SIwSkDMGeJgVWCAjOUSQnUbpEJU0ZQaUFskwkA55RLzXbJXkovAKAMZxMyvYgRQ676WC3bMPQ0DD68pqrvqtXCp9yG6rPvsPLP6JsNlZ-xWvofssrt6oDsRL9IePi975Ony4vH6TW9vbu6mZ7f0iBsnWlEjHJW4mgtdDQceZzVgFwHLu0MIQTdoDKNVA3qEGoGDXjPjEHZKMG02CfH472roX9bY8rupV8PXXnSca5qzYU1olCnIzX3C3RtF_tcgpbVYJmwzBLbcn6uQAprVW2KcPJHKEzG9zz365TczcP9X5aNbPmAlAaMbjW0Sz98OAZuU4Qbi3ClCLcpwtni8NFJhe3mOPzG_l_6Atp_iLA</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Xiaotao, Li</creator><creator>Xu, Li</creator><creator>Hongda, Yang</creator><creator>Xiaoyu, Jiang</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20171201</creationdate><title>Effect of micro-cracks on plastic zone ahead of the macro-crack tip</title><author>Xiaotao, Li ; Xu, Li ; Hongda, Yang ; Xiaoyu, Jiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-feef4b8036636f72e2fb90e26c248be0cc6de57d45de6cc910d0aa177e4d53163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Amplification</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Classical Mechanics</topic><topic>Computation</topic><topic>Crack tips</topic><topic>Cracks</topic><topic>Crystallography and Scattering Methods</topic><topic>Dislocations</topic><topic>Materials Science</topic><topic>Microcracks</topic><topic>Plastic zones</topic><topic>Polymer Sciences</topic><topic>Shielding</topic><topic>Solid Mechanics</topic><topic>Yield criteria</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xiaotao, Li</creatorcontrib><creatorcontrib>Xu, Li</creatorcontrib><creatorcontrib>Hongda, Yang</creatorcontrib><creatorcontrib>Xiaoyu, Jiang</creatorcontrib><collection>CrossRef</collection><collection>Gale In Context: Science</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection (ProQuest)</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</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>Journal of materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xiaotao, Li</au><au>Xu, Li</au><au>Hongda, Yang</au><au>Xiaoyu, Jiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of micro-cracks on plastic zone ahead of the macro-crack tip</atitle><jtitle>Journal of materials science</jtitle><stitle>J Mater Sci</stitle><date>2017-12-01</date><risdate>2017</risdate><volume>52</volume><issue>23</issue><spage>13490</spage><epage>13503</epage><pages>13490-13503</pages><issn>0022-2461</issn><eissn>1573-4803</eissn><abstract>From the macroscopic point of view, the plastic zone (PZ) is obtained based on the distributed dislocation technique (DDT) and von Mises yield criterion. From the microscopic point of view, PZ is determined by the DDT model. The effect of micro-cracks on PZ of the macro-crack tip is analyzed. The results show that the micro-crack has a little amplification effect on PZ of the macro-crack tip when it locates in front of PZ. As the micro-crack is close to the macro-crack tip, PZ of the macro-crack tip and the micro-crack tip will join together. When the micro-crack enters into PZ of the macro-crack tip, it has an obvious shielding effect on PZ. When the micro-crack is behind the macro-crack tip, the width of PZ decreases while the height increases. The dislocation distribution in PZ is in the form of inverse pileup. The amplification and shielding regions are divided into five strip-shaped regions, and they appear alternately. The results can provide useful information to predict plastic behaviors near crack tip. The analysis of amplification and shielding effect is important to materials design.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10853-017-1440-8</doi><tpages>14</tpages></addata></record> |
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| subjects | Amplification Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Computation Crack tips Cracks Crystallography and Scattering Methods Dislocations Materials Science Microcracks Plastic zones Polymer Sciences Shielding Solid Mechanics Yield criteria |
| title | Effect of micro-cracks on plastic zone ahead of the macro-crack tip |
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